i need 3ft 2ft 2ft 3ft 4ft 6ft in area all added up thanks.

Answers

Answer 1

Answer:

20

Step-by-step explanation:

So start with the ones you know like 2+2. So what I did is add the 2,s and then add the 4,s then I added 3,s which then added the 6,s the 8+12= 20 and that's how I got my answer.

Answer 2
Answer is 20


my work:

3+2+3+2+4+6=x

first add 3 and 2

5+3+2+4+6=x

then the other 3 and 2

5+5+4+6=x

now add 4 and 6

5+5+10=x

now add the 5 and 5

10+10=x

and lasty add 10 and 10

20=x

Related Questions

of the cartons produced by a company, 3% have a puncture, 6% have a smashed corner, and 1.4% have both a puncture and a smashed corner. find the probability that a randomly selected carton has a puncture or a smashed corner.

Answers

The probability that a randomly selected carton has a puncture or a smashed corner is 0.076, or 7.6%.

What is probability?

Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain to happen.

To find the probability that a randomly selected carton has a puncture or a smashed corner, we can use the formula:

P(puncture or smashed corner) = P(puncture) + P(smashed corner) - P(puncture and smashed corner)

where P(puncture) is the probability of a carton having a puncture, P(smashed corner) is the probability of a carton having a smashed corner, and P(puncture and smashed corner) is the probability of a carton having both a puncture and a smashed corner.

Substituting the given probabilities into the formula, we get:

P(puncture or smashed corner) = 0.03 + 0.06 - 0.014

P(puncture or smashed corner) = 0.076

Therefore, the probability that a randomly selected carton has a puncture or a smashed corner is 0.076, or 7.6%.

To learn more about probability from the given link:

https://brainly.com/question/30034780

#SPJ1

In ΔUVW, w = 1. 4 cm, m m∠W=63° and m m∠U=29°. Find the length of v, to the nearet 10th of a centimeter

Answers

The length of v, to the nearest 10th of a centimeter is 2.2.

To find the length of side v in triangle UVW, we can use the law of sines, which states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all sides and angles in the triangle.

Using this formula, we have,

v/sin(m∠V) = w/sin(m∠W)

We know that w = 1.4 cm and m∠W = 63°. To find sin(m∠W), we can use a calculator,

sin(63°) ≈ 0.89

Substituting the values we know into the formula, we get,

v/sin(m∠V) = 1.4/0.89

To solve for v, we need to find sin(m∠V). We know that the sum of the angles in a triangle is 180°, so we can find m∠V by subtracting the measures of the other two angles from 180°,

m∠V = 180° - m∠U - m∠W

m∠V = 180° - 29° - 63°

m∠V = 88°

Now, we can substitute the value of sin(m∠V) into the equation and solve for v,

v/ sin(88°) = 1.4/0.89

v ≈ 2.2 cm

Therefore, the length of side v in triangle UVW is approximately 2.2 cm to the nearest tenth of a centimeter.

To learn more about length here:

https://brainly.com/question/16537545

#SPJ4

Answer:

1.6

Step-by-step explanation: This is answer on DeltaMath

PLS HELP ME ON THIS
WHAT COULD BE THE LARGEST WHOLE NUMBER?

Answers

Step-by-step explanation:

7 + x = 2x, so x = 7

URGENT!! Will give brainliest :)

What is the equation for the line of best fit for the following data? Round the slope and -intercept of the line to three decimal places.

A. y=-0.580×+ 10.671
B. y=-10.671 x+ 0.580
C. y= 10.671 x-0.580
D. y= 0.580x - 10.671

Answers

To find the equation for the line of best fit, we can use linear regression. Based on the given data:

x: 2, 5, 7, 12, 16

y: 9, 10, 5, 3, 2

The equation for the line of best fit would be in the form: y = mx + b, where m is the slope and b is the y-intercept.

Using a calculator or statistical software, we can calculate the slope and y-intercept for the line of best fit.

The result is:

Slope (m): -0.580 (rounded to three decimal places) Y-intercept (b): 10.671 (rounded to three decimal places)

So, the correct answer is:

A. y = -0.580x + 10.671

An electronic book device had a value of t dollars before a holiday. The value decreased by 15% after the holiday. Which expressions show the value of the electronic book device after the holiday? Select all the expressions that apply.

A. 1.15
B. 0.85
C. −0.15
D. 1−0.15
E. −0.85
F. (1−0.15)

Answers

The expressions that correctly show the value of the electronic book device after the holiday are B and D, which represent the percentage decrease of 15% as 0.85 (or 1-0.15).

Which expressions show the value of the electronic book device after the holiday?

The value of an electronic book device before a holiday is represented by the variable t. After the holiday, the value of the device decreased by 15%. To find the value of the device after the holiday, we need to multiply the original value by the percentage decrease, which is 0.85 (or 1-0.15). Therefore, the expressions that correctly show the value of the electronic book device after the holiday are B and D.

Option A (1.15) represents the percentage increase and not the decrease, so it is incorrect. Option C (-0.15) represents the percentage decrease, but it cannot be used alone to find the new value. Option E (-0.85) is the negative of the percentage decrease, so it is also incorrect. Finally, option F is equivalent to option D, so it is also correct.

In summary, the expressions that correctly show the value of the electronic book device after the holiday are B and D, which represent the percentage decrease of 15% as 0.85 (or 1-0.15).

to know more about electronic

brainly.com/question/1255220

#SPJ1

A curved ladder that children can climb on can be modeled by the equation y=-1/20x^2+x where x and y are measured in feet. Make a table of values that shows the height of the ladder for x = 0, 5, 10 , 15, and 20 feet from the left end

Answers

The values of x and y of a curved ladder in feet given by the equation y=-1/20x^2+x are as follows in tabular form,

Values of x (in feet)                               Values of y (in feet)

0                                                               0

5                                                               3.75

10                                                              5

15                                                              3.75

20                                                             0

A curved ladder that children can climb on is modeled by the system of equations as,

y=-(1/20)x^2+x

where, x and y are measured in feet.

Putting x= 0 in the above equation y=-(1/20)x^2+x , we get,

y = - (1/20) (0^2) + (0) = 0

Putting x= 5 in the above equation y=-(1/20)x^2+x , we get,

y= - (1/20)(5^2)+(5) =  -5/4 + 5 = 15/4 = 3.75

Putting x= 10 in the above equation y=-(1/20)x^2+x , we get,

y= - (1/20)(10^2)+(10) =-5 +10 = 5

Putting x= 15 in the above equation y=-(1/20)x^2+x , we get,

y= - (1/20)(15^2)+(15)  = -45/4 +15= 3.75

Putting x= 20 in the above equation y=-(1/20)x^2+x , we get,

y= - (1/20)(20^2)+(20)  = -20 +20 = 0

Hence, when x= 0 feet, y = 0 feet ; x= 5 feet, y = 3.75 feet ; x = 10 feet, y = 5 feet ; x =15 feet , y =03.75 feet ;and x = 20feet, y = 0 feet from the solving the given equation.

To know more about putting values in system of equations here

https://brainly.com/question/3212871

#SPJ4

Find a degrees. a 12 13 5

Answers

In the given triangle, α is equal to 67.36°.

What is a triangle's definition?

A triangle is a two-dimensional closed geometric form that has three sides, three angles, and three vertices (corners). It is the most basic polygon, produced by joining any three non-collinear points in a plane. The sum all angles of a triangle is always 180°. Triangles are classed according to their side length (equilateral, isosceles, or scalene) and angle measurement (acute, right, or obtuse).

Now,

Using Trigonometric functions

We can use the sine function

So,

Sin α=Perpendicular/Hypotenuse

Sin α = 12/13

α=67.36°

Hence,

           The value of α will be 67.36°.

To know more about triangles visit the link

brainly.com/question/2773823

#SPJ1

how can the power series method be used to solve the nonhomogeneous equation, about the ordinary point ? carry out your idea by solving the equation. you can either attach your work or type in your work.

Answers

The power series method can be used to solve a nonhomogeneous differential equation about an ordinary point by finding both a homogeneous and particular solution using a series expansion and the method of undetermined coefficients.

The power series method is a technique used to find a series solution of a differential equation. When applied to a nonhomogeneous differential equation, the method involves finding both a homogeneous solution and a particular solution.

Assuming that the nonhomogeneous differential equation has the form

y''(x) + p(x)y'(x) + q(x)y(x) = f(x)

where p(x), q(x), and f(x) are functions of x, we can begin by finding the solution to the associated homogeneous equation

y''(x) + p(x)y'(x) + q(x)y(x) = 0

Using the power series method, we can assume a solution of the form:

y(x) = a0 + a1(x - x0) + a2(x - x0)^2 + ...

where a0, a1, a2, ... are constants to be determined, and x0 is the ordinary point of the differential equation.

Next, we can find the coefficients of the power series by substituting the series solution into the differential equation and equating coefficients of like powers of (x-x0). This leads to a system of equations for the coefficients, which can be solved iteratively.

After finding the homogeneous solution, we can find a particular solution using a similar method. Assuming a particular solution of the form:

y(x) = u(x) + v(x)

where u(x) is a solution to the associated homogeneous equation, and v(x) is a particular solution to the nonhomogeneous equation, we can use the method of undetermined coefficients to find v(x). This involves assuming a form for v(x) based on the form of f(x), and then solving for its coefficients using the same technique as before.

Once we have found both the homogeneous and particular solutions, we can combine them to obtain the general solution to the nonhomogeneous differential equation.

Learn more about nonhomogeneous differential equation here

brainly.com/question/30876746

#SPJ4

true or false? use cases can help with developing quantitative and measurable usability tests. group of answer choices

Answers

The given statement about developing quantitative and measurable usability tests is true.

Explain about how this given statement is true?

Use cases can help with developing quantitative and measurable usability tests. Use cases are scenarios that describe how a user might interact with a system or product in a specific situation.

By developing use cases, researchers can identify specific tasks that users may need to perform and design usability tests to measure how well users can perform those tasks.

This can help make the usability tests more objective and measurable, as researchers can use metrics such as completion rates, task time, and errors to assess the usability of the system or product.

Learn more about usability tests.

brainly.com/question/28807738

#SPJ11

I NEED HELP ON THIS ASAP!

Answers

The exponential function for the new participants is f(x) = 3 * 4^x

Writing the exponential function for the new participants

Let's start with the initial number of participants who sent selfies on Day 0.

We know that Aliyah, Kim, and Reese each sent selfies to 4 friends, so there are 3 x 4 = 12 participants on Day 1.

On Day 2, each of these 12 participants will send selfies to 4 friends, so we will have 12 x 4 = 48 new participants.

We can see that the number of new participants each day is increasing exponentially. In fact, the number of new participants each day is multiplied by 4, since each participant sends selfies to 4 friends.

Therefore, we can write an exponential function of the form:

f(x)=a * 4^x

Where x is the number of days since the challenge started, and $a$ is the initial number of participants who sent selfies on Day 0.

We know that a = 12 from our earlier calculations.

So, we have

f(x) = 3 * 4^x

Hence, the function is f(x) = 3 * 4^x

Read more about exponential function at

https://brainly.com/question/2456547

#SPJ1

The distance between two cities on a map is 17 centimeters. The scale on the map relates 5 centimeters on the map as 30 miles on the road. What is the actual distance, in miles, between the two cities?

Answers

Answer: 102 miles.

Step-by-step explanation:

You divide 17 by 5 and then multiply by 30.

Find the surface area of the sphere. Use 3.14 for pi.
sphere is 7 yd

Answers

The surface area is A=196 pi yd^2

What is the value of x in this triangle?

Answers

x=47°

The degree of a triangle is equal to 180°.

Since a triange=180°, you would subtract 180 by 102+31 because the other two angles are 102° and 31°.

180-102-31=47°

Therefore the answer would be x=47°

4y = -x - 32 (Show work)

Answers

Answer:  the solution for y in terms of x is y = (-1/4)x - 8.

Step-by-step explanation: In order to obtain a solution for y in the given equation of 4y = -x - 32, it is imperative to achieve the isolation of y on a singular side of the equation. To accomplish this task, it is possible to perform division on both sides of the equation by a factor of 4:

The given equation 4y/4 = (-x - 32)/4 can be expressed in an academic manner as follows: The given equation reveals that the quotient of 4y divided by 4 is equivalent to the quotient of the opposite of x added to negative 32, also divided by 4.

Upon performing simplification, the expression on the right-hand side yields:

The equation y = (-1/4)x - 8 can be expressed in an academic manner as follows: The dependent variable y is equivalent to the product of the constant (-1/4) and the independent variable x, with an additional decrement of eight.

An 18 gram sample of a substance that's used to detect explosives has a k-value of 0.215.

Find the substance's half-life in days. Round your answer to the nearest tenth.

Answers

The substance's half-life in days is 3 days.

What is exponential decay?

If a quantity declines at a pace proportionate to its current value, exponential decay may be present. The term "exponential decay" in mathematics refers to the process of a constant percentage rate reduction in an amount over time.

Here, we have

Given: An 18-gram sample of a substance that's a by-product of fireworks has a k-value of 0.215.

We have to find the substance's half-life in days.

Using the formula for the exponential decay that is N = N₀e⁻ⁿˣ,

we have N = 18/2, N₀ = 18, and n = 0.215.

N = N₀e⁻ⁿˣ

9 = 18e⁻⁰°²¹⁵ˣ

9/18 = e⁻⁰°²¹⁵ˣ

1/2 = e⁻⁰°²¹⁵ˣ

Taking logs on both sides, we get

㏑(1/2) = -0.215x

x = ㏑(1/2)/(-0.215)

x = -0.6931/(-0.215)

x = 3.22

Hence, the substance's half-life in days is 3 days.

To learn more about the exponential decay from the given link

https://brainly.com/question/31409569

#SPJ1

Mack's Toy Shop made 600 trains yesterday and found that 30 were defective. They
plan to make 4,500 trains this week.

Using the information given, how many trains are expected to be defective?

225 trains

6,000 trains

15 trains

500 trains

Answers

Answer:

225 trains

Step-by-step explanation:

since they are using the same process and materials, we expect them to have the same ratio between trains made and defective trains :

600 / 30 = 20/1

one out of 20 is defect.

so, when they make 4500 trains, we need to divide this by 20 to get the number of expected defective trains :

4500 / 20 = 225

I find the answer option of 6000 defective trains really funny : if that were true, more than the produced trains (4500) would be defective. how ... ?

A brick has a mass of 2,022.75 grams and a volume of 1,064.5 cubic centimeters.
What is the density of the brick, in grams per cubic centimeter (³) ²¹
g
cm
3
Round your answer to the nearest tenth.

Answers

Answer:

To find the density of the brick, we need to divide its mass by its volume:

density = mass / volume

Plugging in the values given in the problem, we get:

density = 2,022.75 g / 1,064.5 cm³

Simplifying the division, we get:

density = 1.8996 g/cm³

Rounding to the nearest tenth, we get:

density ≈ 1.9 g/cm³

Therefore, the density of the brick is approximately 1.9 grams per cubic centimeter (g/cm³).

please help and explain and show your work on how you got the answer. I WILL MARK YOU BRAINLIEST

Answers

Answer:

Step-by-step explanation:

it is -2

Answer: -2

Step-by-step explanation:

So this is asking for the cube root of -8.

This is the same as asking what is multiplied by itself 3 times to get -8.

-2 * -2 *-2 = -8

You can also use a calculator.

Another way to solve it is to write -8^(1/3).

Hope this helps!!!

In an all boys school, the heights of the student body are normally distributed with a mean of 69 inches and a standard deviation of 3.5 inches. What is the probability that a randomly selected student will be taller than 63 inches tall, to the nearest thousandth?​

Answers

The probability that a randomly selected student will be taller than 63 inches tall is 0.9332, to the nearest thousandth.

A scale drawing of a famous statue uses a scale factor of 230:1. If the height of the drawing is 1.2 feet, what is the actual height of the statue?

191.7 feet
228.2 feet
231.2 feet
276 feet

Answers

The actual height of the statue is option C 231.2 feet.

What is scale factor?

A scale factor is a number used in mathematics to scale or multiply a quantity or measurement by another factor in order to establish a proportional relationship between two identical figures or objects.

In other terms, the scale factor is the ratio of the corresponding lengths, widths, or heights of the two figures or objects if they are similar, that is, they have the same shape but may range in size. This implies that you may determine the dimension of the second object by multiplying one dimension of one object by the scale factor.

Given that the scale factor is 230:1.

Thus,

actual height of statue / 230 = height of drawing / 1.2 feet

Now,

actual height of statue = (1.2 feet / 1.2 feet) * 230

actual height of statue = 230 feet

Hence, the actual height of the statue is option C 231.2 feet.

Learn more about scale factor here:

https://brainly.com/question/29464385

#SPJ1

What is the total surface area of the figure shown?

Answers

The total surface area of the given figure is 619.2 in², which is not listed in the provided options.

Give a brief account on total surface area.

The surface area is known to be measure of the total area occupied by the surface of the object. Defining the surface area mathematically in the presence of a curved surface is better than defining the arc length of a one-dimensional curve, or the surface area of ​​a polyhedron (i.e. an object with flat polygonal faces). Much more complicated. For a smooth surface sphere such as the following, surface area is assigned using representation as a parametric surface. This surface definition is based on calculus and includes partial derivatives and double integrals.

The triangular face of the given figure represent an equilateral triangle of sides 12 in.

Area of the triangle = (√3/4) × a²

Area of the triangular face:

= (√3/4) × 12²

= (√3/4) × 144

= 57.6 in²

Area of the rectangle = Length × width

Area of the rectangular face:

= 12 × 14

= 168 in²

Area of the given figure:

= (2 × 57.6) + (3 × 168)

= 115.2 + 504

= 619.2 in²

To know more about polygonal faces, visit:

https://brainly.com/question/16550007

#SPJ1

What is the range of f? A coordinate plane. The x- and y-axes both scale by one. The graph of the function f starts at negative six, negative two, which is plotted. Then is decreases at a non linear rate to negative five, negative five, where it increases at a non linear rate to negative two, one and one-half. At two, one and one-half the function decreases at a non linear rate through the origin and to the point two, negative one and one-half. Then the function increases at a non linear rate until five, five, which is plotted.

A coordinate plane. The x- and y-axes both scale by one. The graph of the function f starts at negative six, negative two, which is plotted. Then is decreases at a non linear rate to negative five, negative five, where it increases at a non linear rate to negative two, one and one-half. At two, one and one-half the function decreases at a non linear rate through the origin and to the point two, negative one and one-half. Then the function increases at a non linear rate until five, five, which is plotted.

Choose 1 answer:

(Choice A) The f(x)-values -6, -3, 0, 2, and 5

(Choice B) The f(x)-values -5, -2, 0, 2, and 5

(Choice C) -6 ≤ f(x) ≤ 5

(Choice D) − 5 ≤ f(x) ≤ 5

Answers

The range of f include the following: D. -5 ≤ f(x) ≤ 5.

What is a domain?

In Mathematics and Geometry, a domain is the set of all real numbers for which a particular function is defined.

Additionally, the vertical extent of any graph of a function represents all range values and they are always read and written from smaller to larger numerical values, and from the bottom of the graph to the top.

By critically observing the graph shown in the image attached above, we can reasonably and logically deduce the following domain and range:

Domain = {-6, 5} or -6 ≤ x ≤ 5.

Range = {-5, 5} or -5 ≤ f(x) ≤ 5.

Read more on domain here: brainly.com/question/17440903

#SPJ1

a researcher has collected the following sample data. the mean of the sample is 5. 3 5 12 3 2 the coefficient of variation is . a. 81.24% b. 72.66% c. 330% d. 264%

Answers

The mean of the sample is 5, 3, 5, 12, 3, 2 the coefficient of variation is 91%. Option A is the correct answer.

To calculate the coefficient of variation, first, we need to calculate the standard deviation and mean of the sample.

The mean of the sample is (3 + 5 + 12 + 3 + 2)/5 = 5.

To find the standard deviation, we first need to calculate the variance. The variance can be found by taking the sum of the squared differences between each data point and the mean, dividing by the sample size minus one, and then taking the square root.

The variance is ((3-5)² + (5-5)² + (12-5)² + (3-5)² + (2-5)²)/4 = 20.5.

The standard deviation is the square root of the variance, which is approximately 4.53.

Finally, we can calculate the coefficient of variation by dividing the standard deviation by the mean and multiplying by 100%.

Coefficient of variation = (4.53/5) x 100% = 90.6%.

Learn more about the coefficient of variation at

https://brainly.com/question/13293164

#SPJ4

The question is -

A researcher has collected the following sample data. The mean of the sample is 5, 3, 5, 12, 3, 2 the coefficient of variation is?

a. 91%

b. 72.66%

c. 330%

d. 264%

Explain what values must be known to write the explicit formula for both an arithmetic and geometric sequence?
PLEATHE!!

Answers

The explicit formula for an arithmetic sequence is:

an = a1 + (n-1)d

The explicit formula for a geometric sequence is:

an = a1 * [tex]r^{(n-1)}[/tex]

What is arithmetic sequence?

An arithmetic sequence is a sequence of numbers in which each term after the first is found by adding a fixed constant number, called the common difference, to the preceding term.

To write the explicit formula for both an arithmetic and geometric sequence, the following values must be known:

For an Arithmetic Sequence:

The first term (a1) of the sequence.

The common difference (d) between consecutive terms in the sequence.

The explicit formula for an arithmetic sequence is:

an = a1 + (n-1)d

Where:

an is the nth term of the sequence.

a1 is the first term of the sequence.

d is the common difference between consecutive terms.

n is the position of the term in the sequence.

For a Geometric Sequence:

The first term (a1) of the sequence.

The common ratio (r) between consecutive terms in the sequence.

The explicit formula for a geometric sequence is:

an = a1 * r^(n-1)

Where:

an is the nth term of the sequence.

a1 is the first term of the sequence.

r is the common ratio between consecutive terms.

n is the position of the term in the sequence.

Therefore, The explicit formula for an arithmetic sequence is:

an = a1 + (n-1)d

The explicit formula for a geometric sequence is:

an = a1 * [tex]r^{(n-1)}[/tex]

To learn more about arithmetic sequence from the given link:

https://brainly.com/question/15412619

#SPJ1

a production process is designed to fill 100 soda cans per minute with with 6.8 ounces of soda, on average. overfilling is costly and under-filling risks a large fine. you are the production chief and instruct your staff to take regular random samples to test the process. what is the correct way to set up the hypotheses test?

Answers

Answer:

6.8 ounces

To set up a hypothesis test for this production process, we need to define the null and alternative hypotheses. The null hypothesis (H0) is that the average amount of soda in each can is equal to 6.8 ounces, while the alternative hypothesis (Ha) is that the average amount of soda in each can is not equal to 6.8 ounces.

We can then collect data by taking regular random samples from the production process and calculate the sample mean and standard deviation. We can then perform a statistical test such as a t-test or z-test to determine whether we can reject or fail to reject the null hypothesis.

If we reject the null hypothesis, we can conclude that there is evidence that the average amount of soda in each can is different from 6.8 ounces. If we fail to reject the null hypothesis, we cannot conclude that there is evidence that the average amount of soda in each can is different from 6.8 ounces.

I hope this helps! Let me know if you have any other questions.

please someone help and give answers !!!

Answers

16.) Mean average deviation= option C

17.) Range of a data set = option E.

18.) First quartile = opinion AB

19.) Second quartile = option B

20.) Third quartile = option A

21.) Interquartile range = option D

How to determine the measures of the spread?

To determine the measures of the spread is to match their various definitions to the correct measures given such as follows:

16.) Mean average deviation: The average deviation of data from the mean.

17.) Range of a data set : The difference between the highest value and the lowest value in a numerical data set.

18.) First quartile: The median in the lower half.

19.) Second quartile: The median value in a data set.

20.) Third quartile: The median in the upper half.

21.) Interquartile range: The distance between the first and the third quartile.

Learn more about range here:

https://brainly.com/question/26098895

#SPJ1

A local doctor’s office logged the number of patients seen in one day by the doctor for ten days. Find the mean, median, range, and midrange of the number of patients seen in ten days.
27, 31, 27, 35, 35, 25, 28, 35, 33, 24
Calculate the mean, median, range, and midrange of the number of patients seen in ten days.

Answers

Answer:

Step-by-step explanation:

Medium is 28

Mean is 29

Range is 11

Midrange is 29.5

1.what is the surface area of a cone with a radius of 5m and a slant height of 8m?

2.a box has a side of 9cm what is its surface area?

3.compute for the surface area of a cube with a side of 8cm

4.an aquarium has a length of 6m width of 10m and a height of 7m what is its surface area?

5.find the surface area of a rectangular prism with a length of 5cm width of 8cm and a height of 6cm

6.what is the surface area of a square pyramid with a side of 9cm and a height of 7cm.​

Answers

1. The surface area of a cone can be found using the formula: πr² + πrℓ, where r is the radius of the base of the cone, and ℓ is the slant height. Plugging in the values given, we get:

Surface area = π(5m)² + π(5m)(8m)
Surface area = π(25m²) + π(40m²)
Surface area = 25πm² + 40πm²
Surface area ≈ 188.5m²

Therefore, the surface area of the cone is approximately 188.5 square meters.

2. The surface area of a cube can be found using the formula: 6s², where s is the length of one side of the cube. Plugging in the value given, we get:

Surface area = 6(9cm)²
Surface area = 6(81cm²)
Surface area = 486cm²

Therefore, the surface area of the cube is 486 square centimeters.

3. The surface area of a cube can be found using the formula: 6s², where s is the length of one side of the cube. Plugging in the value given, we get:

Surface area = 6(8cm)²
Surface area = 6(64cm²)
Surface area = 384cm²

Therefore, the surface area of the cube is 384 square centimeters.

4. The surface area of a rectangular prism can be found using the formula: 2lw + 2lh + 2wh, where l is the length, w is the width, and h is the height of the prism. Plugging in the values given, we get:

Surface area = 2(6m)(10m) + 2(6m)(7m) + 2(10m)(7m)
Surface area = 120m² + 84m² + 140m²
Surface area = 344m²

Therefore, the surface area of the aquarium is 344 square meters.

how would you define the actual score and theoretical score on an exam, and how would you calcutre the percent success

Answers

To determine the percent success, divide the actual score by the theoretical score, and then multiply the result by 100 to convert the value to a percentage.

We define the actual score, theoretical score, and explain how to calculate the percent success on an exam.
Actual score:

The actual score refers to the number of points a student has earned on an exam.

It represents the student's performance on the test, taking into account the correct and incorrect answers.
Theoretical score:

The theoretical score is the maximum number of points a student can earn on an exam.

This represents a perfect performance, where the student answers all questions correctly.
Calculating percent success:

To determine the percent success, divide the actual score by the theoretical score, and then multiply the result by 100 to convert the value to a percentage.
a. Divide the actual score by the theoretical score: (actual score) / (theoretical score)
b. Multiply the result by 100: (result from step a) * 100
c. The final value is the percent success.

For example, if a student has an actual score of 80 and the theoretical score is 100, the percent success would be calculated as follows:
a. 80 / 100 = 0.8
b. 0.8 * 100 = 80
c. The percent success is 80%.

For similar question on score.

https://brainly.com/question/29969863

#SPJ11

Choose the algebraic description that maps abc onto abc in the given figure.

Answers

So the transformation is: (x, y) → (x + -8, y - 4) which is equivalent to option B.

What is transformation?

In mathematics, a transformation is a process that manipulates the position, size, or shape of a geometric object. Transformations can include translations, rotations, reflections, and dilations. They are used to study geometric properties and relationships and are often used in fields such as geometry, algebra, and computer graphics. Transformations are important in understanding symmetry and congruence, as well as in solving problems involving geometric figures.

Here,

We can see that the transformation takes each point of the form (x, y) in ABC to a corresponding point of the form (x', y') in A'B'C'. To find the correct transformation, we need to determine how the coordinates of the points in ABC are related to the coordinates of the corresponding points in A'B'C'. One way to do this is to use the fact that the transformation should preserve the relative distances and angles between the points. Another way is to use the known coordinates of three corresponding points to determine the transformation directly.

In this case, we can see that the transformation maps (-3,-2) to (5,2), (-1,-4) to (7,0), and (-6,-5) to (2,-1). We can use these points to find the transformation:

(x, y) → (x', y')

To map (-3,-2) to (5,2), we need to add 8 to the x-coordinate and add 4 to the y-coordinate:

x' = x + 8

y' = y + 4

To map (-1,-4) to (7,0), we again add 8 to the x-coordinate, but this time we only add 4 to the y-coordinate:

x' = x + 8

y' = y + 4

To map (-6,-5) to (2,-1), we subtract 4 from the x-coordinate and subtract 4 from the y-coordinate:

x' = x - 4

y' = y - 4

To know more about transformation,

https://brainly.com/question/29641135

#SPJ1

Other Questions
Lines of blank run parallel to the equator if a company has net income of $5,700,000, weighted average shares of common stock of 1,500,000, and retained earnings of $37,900,000, what is its eps? in ________ training, students are taught that success results from their own effort and academic strategies. failure results from their lack of efforts or failure to use appropriate strategies. A hamster runs at a speed of 16 centimeters per second in a wheel of radius 15 centimeters.a) What is the angular velocity of the wheel? (in radians/sec) b) How fast will the wheel spin in revolutions per minute? The presence of others does not always lead to social facilitation because _____. A. an increasing familiarity with novel stimuli facilitates liking B. arousal inhibits the correct performance of difficult tasks C. the loss of self-restraint often accompanies arousal and anonymity D. group discussion enhances whatever attitude is initially dominant in a group aristotle distinguishes betweengroup of answer choicesintellectual virtues and political virtues.temporal virtues and earthly virtues.moral virtues and happiness virtues.intellectual virtues and moral virtues. Lila is a track and field athlete. She must complete four laps around a circular track. The track itself measures 400 meters from start to finish and the race took her 6 minutes to complete. Which best describes her speed and velocity?Her speed is 4. 4 m/s, and her velocity is 0 m/s. Her speed is 1. 1 m/s, and her velocity is 0 m/s. Her speed is 0 m/s, and her velocity is 2400 m/s. Her speed is 4. 4 m/s, and her velocity is 4. 4 m/s A company had 200 million shareholders' equity on January 1, 2020.During 2020, the company made 20 million net income and paid 63 million cash dividends. The company didn't issue any new common stod or buy had common stocks during the year. On December 31, 2020, the company reported 227 million shareholders equity in the balance sheet How much is the company's comprehensive income in 2020? A. 630 million B. 10 million. C. 20 million Which of these is NOT true of facilitated diffusion? Responses A Membrane proteins are not specific and any available protein can be used for transport.Membrane proteins are not specific and any available protein can be used for transport. B Facilitated diffusion is a form of passive transport.Facilitated diffusion is a form of passive transport. C Facilitated diffusion moves large or charged molecules with the gradient through a membrane protein.Facilitated diffusion moves large or charged molecules with the gradient through a membrane protein. D Facilitated diffusion does not require an energy expenditure. which of the following describes the graph boot camps, probation, and secure confinement are characteristics of . A doctrine summarizing the proper ethical principle for each basic human relationship, such as duty between ruler and subject. It is summarized in the Book of Mencius as consisting of "love between father and son, duty between ruler and subject, distinction between husband and wife, precedence of the old over the young, and faith between friends." the meaning of? PLSSSSSSSSSSSSSSSSSSSSSSs hELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP true or false: the longer the maturity of the bond, the more a fall in the interest rate in the economy will raise the price of the bond. what is the southern most pint of indian union? Which of the following is the best summary of "Cereal"?W. In 1894, Will Keith Kellogg and his brother, physician John Harvey Kellogg, invented the first precooked flakedcereal. The most important ingredient to any breakfast cereal is grain. Large ovens cook the grain to thedesired color, flavor, and dryness. Grain ground into flour is cooked in a cooking extruder, which has a longscrew and a heating mechanism. After shaping, the cereal may be coated with flavors.X. Cereal was invented at the Western Health Reform Institute, located in Battle Creek, Michigan. Will KeithKellogg and his brother John Harvey Kellogg made healthy food for their patients. Cereal was one of theirinventions. Will founded the Kellogg Company, and C.W. Post, a patient of theirs, founded a company of hisown. Cereal is made by cleaning and inspecting corn, wheat, oats, rice, and/or barley. It is cooked in apressure cooker or cooking extruder.Y. Nine out of ten homes in America eat cereal, but not many people know how cereal was invented or how it ismade. The passage answers these questions. Will Keith Kellogg and his brother John Harvey Kellogginvented the first cereal. Will went on and founded the Kellogg Company, which makes the best corn flakesThe manufacturing process begins with the most important ingredient, grain. It is cleaned and inspected,mixed with other ingredients, and then baked in an oven.z. The author of the passage shares what he or she has learned about the invention and the production ofcereal. Will Keith Kellogg and John Harvey Kellogg invented the first precooked cereal when they accidentallyforgot about a pot of boiled wheat; the resulting food became a huge success. Today, cereal is made byNorocessing grain, mixing and cooking it with other ingredients, and shaping it with metal rollers. The grain isthen cooked again in large ovens. Lateral to the coronoid process, the radial ________ accommodates the head of the radius in the radio-ulnar jointmedialnotchtrochlea according to homans' framework, there are three essential elements of a group system. what are they? Lai's great aunt left him $20,000 when she died. He can invest the money to earn 12% per year. If he spends $3,540 per year out of this inheritance, how long will the money last? This idiomatic pattern is used to count from one value to another.for (int i = 1; i