I actually have no idea what to do here

I Actually Have No Idea What To Do Here

Answers

Answer 1

The probability that a person who walked also sailed is 1/8.

Describe Probability?

Probability is used to make predictions about the likelihood of future events, based on past observations or available information. It is widely used in fields such as statistics, finance, engineering, and science to analyze and model uncertain systems and processes.

Out of the 50 people, 3 did not participate in either walking or sailing. So, the number of people who participated in at least one activity is:

50 - 3 = 47

Out of these 47 people, 40 took part in walking and 18 took part in sailing. However, we need to subtract the number of people who participated in both activities because we don't want to count them twice. Let's call this number "x":

x = number of people who participated in both walking and sailing

So, the number of people who participated in at least one of the activities is:

40 + 18 - x

We know that there were 50 people in total, so we can write:

40 + 18 - x + 3 = 50

Simplifying this equation, we get:

55 - x = 50

x = 5

So, 5 people participated in both walking and sailing.

Now, we want to find the probability that a person who walked also sailed. Since there were 40 people who walked and 5 of them also sailed, the probability is:

5/40 = 1/8

Therefore, the probability that a person who walked also sailed is 1/8.

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Related Questions

NEED HELP ASSIGNMENT DUE IN AN HOUR WOULD BE MUCH APPRECIATED!

Answers

A. To find the inverse of f(x), we need to solve for x in terms of f(x).

Let y = f(x). Then we have:

y = 3/(7x + 1)

Multiplying both sides by 7x + 1, we get:

y(7x + 1) = 3

Expanding the left side, we get:

7xy + y = 3

Subtracting y from both sides, we get:

7xy = 3 - y

Dividing both sides by 7y, we get:

x = (3 - y)/(7y)

Therefore, the inverse of f(x) is:

f^-1(x) = (3 - x)/(7x)

Explanation: To find the inverse function, we set y = f(x) and solve for x. By isolating x on one side of the equation in terms of y, we obtain the inverse function.

B. Let g(x) = (3 - x)/(7x). We need to verify that (f(g(x))) = x for all values of x in the domain of f(x) and g(x).

We have:

f(g(x)) = f((3 - x)/(7x)) = 3/(7((3 - x)/(7x)) + 1) = 3/(3 - x + 7x)/(7x) = 3/(3 + 6x)/(7x) = (21x)/(3 + 6x) = 7x/(1 + 2x)

To show that (f(g(x))) = x, we need to show that:

7x/(1 + 2x) = x

Multiplying both sides by (1 + 2x), we get:

7x = x(1 + 2x)

Expanding the right side, we get:

7x = x + 2x^2

Subtracting 7x from both sides, we get:

0 = x + 2x^2 - 7x

Simplifying, we get:

2x^2 - 6x = 0

Dividing both sides by 2x, we get:

x - 3 = 0

Therefore, x = 3.

Since we have shown that (f(g(x))) = x for x = 3 (which is in the domain of both f(x) and g(x)), we can conclude that g(x) is the inverse of f(x).

C. We cannot answer part C of the question because no function is given. The table provided only shows a set of input-output pairs, but we need the function itself to perform any further analysis.

The domain and range of the inverse function f^-1(x) = (3 - x)/(7x) depend on the domain and range of the original function f(x) = 3/(7x + 1).

The domain of f(x) is all real numbers except -1/7 (since division by zero is undefined). Therefore, the range of f^-1(x) is all real numbers except 0, since division by zero is also undefined.

To find the domain of f^-1(x), we can consider the denominator of the expression for f^-1(x), which is 7x. Since division by zero is undefined, we need to exclude any value of x that makes the denominator equal to zero. Therefore, the domain of f^-1(x) is all real numbers except 0.

In summary:

Domain of f^-1(x): All real numbers except 0
Range of f^-1(x): All real numbers except 0

HELP ME ASAP I NEED A NUMERICAL ANSWER

Owen's Muffin Extravaganza recorded how many of each type of muffin it recently sold.
bran muffins 25
blueberry muffins 12
poppy seed muffins 3
chocolate chip muffins 10
Considering this data, how many of the next 16 muffins sold would you expect to be bran muffins?

Answers

After answering the given query, we can state that Therefore, we can function anticipate that 8 to 16 of the upcoming pastries will be bran muffins.

what is function?

Mathematicians research numbers, their variations, equations, associated structures, shapes, and possible configurations of these. The relationship between a group of inputs, each of which has a corresponding outcome, is referred to as a "function." A function is a relationship between inputs and outputs where each input results in a unique, distinct output. Each function has a domain, codomain, or scope assigned to it. Functions are commonly denoted by the letter f. (x). An cross is entered. On functions, one-to-one capabilities, so several capabilities, in capabilities, and on functions are the four main categories of available functions.

We must determine the percentage of muffins that were bran muffins in the prior sales in order to determine how many of the subsequent 16 muffins sold would be bran muffins.

In the prior auction, the following amount of muffins were sold in total:

25 + 12 + 3 + 10 = 50

The percentage of muffins that were wheat muffins is as follows:

25/50 = 0.5

This indicates that wheat muffins accounted for 50% of all sales.

This ratio can be used to make a forecast about how many bran muffins will be sold over the course of the following 16 muffins. Therefore, we anticipate that roughly 50% of the subsequent 16 batches of muffins sold will be wheat muffins:

0.5 x 16 = 8

Therefore, we can anticipate that 8 to 16 of the upcoming pastries will be bran muffins.

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Find a quadratic function that includes the set of values below.

(0,7), (2,17), (3,16)

The equation of the parabola is Y

Answers

To find the quadratic function that includes the set of values (0,7), (2,17), and (3,16), we can start by using the general form of a quadratic function:

Y = aX^2 + bX + c

where Y is the output (dependent variable), X is the input (independent variable), and a, b, and c are constants that we need to solve for.

We can plug in the three sets of values given into this equation to get three equations:

7 = a(0)^2 + b(0) + c

17 = a(2)^2 + b(2) + c

16 = a(3)^2 + b(3) + c

Simplifying each equation, we get:

7 = c

17 = 4a + 2b + c

16 = 9a + 3b + c

Substituting c = 7 from the first equation into the other two equations, we get:

17 = 4a + 2b + 7

16 = 9a + 3b + 7

Simplifying these equations, we get:

4a + 2b = 10

9a + 3b = 9

We can solve this system of equations using substitution or elimination to find the values of a and b. I'll use elimination:

Multiplying the first equation by 3 and the second equation by -2, we get:

12a + 6b = 30

-18a - 6b = -18

Adding the two equations, we get:

-6a = 12

a = -2

Substituting a = -2 into one of the equations we got earlier (e.g. 4a + 2b = 10), we get:

4(-2) + 2b = 10

-8 + 2b = 10

2b = 18

b = 9

So the values of a and b are -2 and 9, respectively. Substituting these values into the general form of the quadratic function, we get:

Y = -2X^2 + 9X + 7

Therefore, the equation of the parabola is:

Y = -2X^2 + 9X + 7
Pls mark brainliest

work out the question
23 - 81 =

Answers

The mathematical expression 23 - √81 has a value of 14 when evaluated, mathematically

How to evaluate the expression

Given the following expression

23 - √81

The expression 23 - √81 involves finding the difference between the number 23 and the square root of 81.

We know that the square root of 81 is 9, so we can simplify the expression to:

23 - √81 = 23 - 9

Evaluate the difference

23 - √81 = 14

Therefore, the value of the expression is 14.

In evaluating expressions like these, it is important to be familiar with basic arithmetic operations and the rules of exponents and radicals.

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PLEASE ITS MY DCP While Amy and Sherry are talking, Amy discovers her earring fell off somewhere in the room. Amy goes 11 feet in one direction to look for it and Sherry goes 15 feet in a different direction. What are all the possible values, d, of the distance between Sherry and Amy? (Drawing is not to scale) Amy Starting point 11 15 Sherry A 4 < d < 26 B4 < d < 15 C11 < d < 15 D11 < d < 26​

Answers

This means that option A, "4 < d < 26," is the correct answer.

The triangle inequality can be used to calculate various distances between Sherry and Amy. The lengths of any two sides of a triangle must add up to more than the length of the third side in order for the triangle inequality to hold.

If we assume that d is the separation between Amy and Sherry in this instance, we can then create a triangle with sides that are 11, 15, and d in length. The inequality of the triangle indicates that:

11 + 15 > d

or

d < 26

and

15 + d > 11

or

d > 4

So, d might have any of the following values:

4 < d < 26

This indicates that "4 d 26" in option A is the right response.

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I will mark you brainiest!

If an exterior angle of a regular polygon is 21.2º, how many sides does the polygon have?
A) 11
B) 13
C) 15
D) 17

Answers

Answer:

for any regular polygon, the sum of the exterior angles is always 360 degrees. In a regular polygon, all exterior angles have the same measure, which is equal to 360 degrees divided by the number of sides.

Let n be the number of sides of the polygon. Then we have:

360/n = 21.2

To solve for n, we can cross-multiply and simplify:

360 = 21.2n

n = 360/21.2

n ≈ 16.98

Since n must be a whole number (the number of sides in a polygon must be a whole number), the closest option is D) 17. Therefore, the polygon has 17 sides.

What is the area of this trapezoid?
Enter your answer in the box.

Answers

Answer:

80

Step-by-step explanation:

Devon wants to plant 84 tomato plants in his garden.
He wants to put 7 plants in each row. How many rows
will he need?

Answers

Devon will need 12 rows.

84 tomatos/7 in each row
he will need 12 rows. there will be 84 tomatoes and 7 in each row

I will mark you brainiest!

A) 3
B) 6
C) 9
D) 12

Answers

The value of x, considering the similar triangles, is given as follows:

B) 6.

What are similar triangles?

Similar triangles are triangles that share these two features listed as follows:

Congruent angle measures, as both triangles have the same angle measures.Proportional side lengths, which helps us find the missing side lengths.

Considering that the triangles for this problem are similar, the proportional relationship for the side lengths is given as follows:

9/3 = 12/4 = x/2.

Since the constant is of 3, the value of x is obtained with cross multiplication as follows:

x/2 = 3

x = 6.

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Replace the by >, < 0o = to make the sentence -4/9* -5/9​

Answers

The inequality to replace the symbol is > and the expression is -4/9 > -5/9​.

How to determine the inequality to replace the symbol

We can utilize the following parameters in our calculation based on the question:

-4/9* -5/9​

Represent the symbol * as a blank

This gives

-4/9 [  ] -5/9​

Evaluate the quotients

-0.44444444444 [  ] -0.55555555555

By comparison, 0.44444444444 is greater than -0.55555555555

Using the above as a guide, we have the following:

-0.44444444444 [ > ] -0.55555555555

So, we have

-4/9 > -5/9​

Hence, the inequality is >

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a teachers age is 6 years greater that 2 times a students age. a principles age is 10 years greater than 3 time times the students age. If x represents the students age in years, which expression represents how many years older the principal is than the teacher?

Answers

On solving the provided question we cans ay that As a result, x + 4 function denotes the number of years the principal is older than the instructor, where x is the student's age in years.

what is function?

Mathematicians examine numbers with their modifications, equations and associated structures, forms and their locations, and feasible positions for these things. The term "function" indicates the connection between a collection of inputs, each of which has a corresponding output. A function is a connection of inputs and outputs where each supply leads to a specific, identifiable outcome. Each function is assigned a domain, a codomain, or a scope. The letter f is widely used to denote functions (x). The symbol for entry is an x. The four primary types of accessible capabilities are on functions, yet another skills, so multiple capabilities, in capabilities, and on operations.

Let's start by writing down the phrases from the problem:

• The teacher's age is six years older than the student's age: T = 2x + 6, where T is the age of the instructor.

• The principal's age is ten years older than the student's age: P = 3x + 10, where P is the age of the principal.

To determine how many years the principal is older than the instructor, subtract the teacher's age from the principal's age:

P - T = (3x + 10) - (2x + 6)

When we simplify the equation, we get:

P - T = x + 4

As a result, x + 4 denotes the number of years the principal is older than the instructor, where x is the student's age in years.

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The table below shows the grade and reading level for 5 students. Grade Reading Level Student 1 2 6 Student 2 6 14 Student 3 5 12 Student 4 4 10 Student 5 1 4 For grade, the mean is 3.6 and the standard deviation is 2.1. For reading level, the mean is 9.2 and the standard deviation is 4.1. Using the formula below or Excel, find the correlation coefficient, r, for this set of students. Answer choices are rounded to the nearest hundredth. r equals fraction numerator 1 over denominator n minus 1 end fraction sum from blank to blank of open parentheses fraction numerator x minus x with bar on top over denominator s subscript x end fraction close parentheses open parentheses fraction numerator y minus y with bar on top over denominator s subscript y end fraction close parentheses

Answers

The cοrrelatiοn cοefficient οf data is 1.

What is cοrrelatiοn cοefficient?

A statistical measure knοwn as cοrrelatiοn expresses hοw clοsely twο variables are related linearly (meaning they change tοgether at a cοnstant rate).

The cοnstant cοefficient (οr cοnstant term) is the cοefficient nοt attached tο variables in an expressiοn. Fοr example, the cοnstant cοefficients οf the expressiοns abοve are the number 3 and the parameter c, respectively.

The cοefficient attached tο the highest degree οf the variable in a pοlynοmial is referred tο as the leading cοefficient. Fοr example, in the expressiοns abοve, the leading cοefficients are 2 and a, respectively.

In excel, use fοllοwing cοmmand tο find r

=>cοrrel(select data οf grade, select data οf Reading level)  

press enter

=> 1  

i.e. 1.00

The required cοrrelatiοn cοefficient r is 1.00

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Your firm purchases large shipments of a component, subject to the requirement that not more than 4% of a shipment may be defective. If a random sample of 200 parts from a new shipment reveals 12 defectives, can you reject this shipment as not meeting requirements, at the 5% level of significance?

Answers

Answer:

see the attachment

Step-by-step explanation:

Since the p-value is greater than the significance level of 0.05, we fail to reject the null hypothesis. Therefore, we do not have sufficient evidence to conclude that the shipment does not meet requirements.

What is the perimeter and area of ​​a piece of land in the shape of a regular octagon with a side of 2 km, and an apothem of 2.4 km?

a) 16km and 21.9 km²
b) 16km and 19.2 km²
c) 16km and 29.1 km²
d) 61km and 19.2 km²
e) 16km and 12.9 km²

Answers

Answer:

the answer is b because 16km is resolved by 19.2

) Using matrix method solve the following simultaneous equations 1x + 4y = 9 2x – 3y = 7

Answers

Answer: To solve the system of equations using the matrix method, we first need to set up the corresponding coefficient matrix and augmented matrix:

Coefficient matrix:

[1  4]

[2 -3]

Augmented matrix:

[1  4 | 9]

[2 -3 | 7]

To solve the system using matrix method, we perform row operations on the augmented matrix to get it into row echelon form, and then back substitute to obtain the solutions.

Performing row operations:

Multiply the first row by 2 and subtract the result from the second row:

[1  4 | 9]

[0 -11| -11]

Divide the second row by -11:

[1  4 | 9]

[0  1 | 1]

Subtract 4 times the second row from the first row:

[1  0 | 5]

[0  1 | 1]

The row echelon form of the augmented matrix is:

[1  0 | 5]

[0  1 | 1]

Therefore, the solution is x = 5 and y = 1.

So the solution of the system of equations is x = 5 and y = 1.

Step-by-step explanation:

17. Write an equation of a circle that has
no x-intercepts, no y-intercepts, and a
radius of 5. Draw a sketch of your circle on
the grid provided.

Answers

Answer:

(x - 5)^2 + (y - 5)^2 = 25

Step-by-step explanation:

If a circle has no x-intercepts and no y-intercepts, it means that the circle does not intersect either the x-axis or the y-axis. In other words, the center of the circle must lie at some point (h, k) where h and k are not equal to zero.

The general equation of a circle with center (h, k) and radius r is:

(x - h)^2 + (y - k)^2 = r^2

Since we know that the circle has a radius of 5, we can substitute r = 5 into the equation:

(x - h)^2 + (y - k)^2 = 25

Now, we need to find values for h and k such that the circle has no x-intercepts and no y-intercepts. Since the x-intercepts occur when y = 0 and the y-intercepts occur when x = 0, we need to make sure that neither of these values satisfies the equation.

Let's first consider the x-intercepts. We want to make sure that the circle does not intersect the x-axis, which means that the y-coordinate of the center must be equal to the radius. In other words, k = 5. Now, the equation becomes:

(x - h)^2 + (y - 5)^2 = 25

Next, we need to make sure that the circle does not intersect the y-axis, which means that the x-coordinate of the center must be equal to the radius. In other words, h = 5. Now, the equation becomes:

(x - 5)^2 + (y - 5)^2 = 25

Therefore, the equation of the circle that has no x-intercepts, no y-intercepts, and a radius of 5 is:

(x - 5)^2 + (y - 5)^2 = 25

Marilou,a buyer of lot,pays Php10,000 every month for ten years.If money is 8%compoundef annually,how much is the cash value of the lot?

Answers

Answer:1,200,000

Step-by-step explanation:

6.5 practice the measure of the exterior of a triangle is equal to the sum of the remote interior angles?

Answers

Answer:

Step-by-step explanation:

Yes, that is correct. The measure of the exterior angle of a triangle is equal to the sum of the two remote interior angles. In other words, if you extend one side of a triangle to form an exterior angle, then the measure of that exterior angle is equal to the sum of the measures of the two interior angles that are not adjacent to the exterior angle. This property is known as the Exterior Angle Theorem.

Mathematically, we can express this as:

Exterior angle = Sum of remote interior angles

Or, in symbols:

∠ABC = ∠A + ∠C

where ∠ABC is the exterior angle formed by extending side BC of triangle ABC, and ∠A and ∠C are the two remote interior angles.

Here are two more examples that illustrate the Exterior Angle Theorem:

Example 1:

Consider a triangle ABC with angles A, B, and C as shown below. If we extend side AC to form an exterior angle, then we can label the exterior angle as ∠DCE. The remote interior angles are ∠B and ∠A.

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Copy code

      C

     / \

    /   \

   /     \

  /       \

 /         \

/______\

A             B

      D

According to the Exterior Angle Theorem, we have:

∠DCE = ∠B + ∠A

Find the length of side � x in simplest radical form with a rational denominator. 30° 60° x 2

Answers

The length οf side x can be any value, as lοng as it is nοt 0.

We can use the trigοnοmetric ratiοs fοr 30°-60°-90° triangles tο sοlve fοr the value οf x.

In a 30°-60°-90° triangle, the sides are in the ratiο:

1 : √3 : 2

In this case, we have the side οppοsite the 60° angle (which is the lοnger leg) equal tο x√3 and the side οppοsite the 30° angle (which is the shοrter leg) equal tο x.

Sο we can set up the fοllοwing equatiοn:

x√3 = 2x sin 60°

Simplifying the right side:

sin 60° = √3/2

2x sin 60° = 2x(√3/2) = x√3

Substituting back intο the equatiοn:

x√3 = x√3

This is true fοr any value οf x, as lοng as x is nοt equal tο 0. Therefοre, the length οf side x can be any value, as lοng as it is nοt 0.

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The suspension cable that supports a footbridge hangs in the shape of a parabola. The height h, in feet, of the cable above the bridge is given by the function

h(x) = 0.25x ^ 2 - 0.8x + 30, 0 < x < 3.2

where x is the distance in feet measured from the left tower toward the right tower. What is the minimum height of the cable above the bridge? (Round your answer to two decimal places.)

Answers

Step-by-step explanation:

The height of the cable above the bridge is given by the function:

h(x) = 0.25x^2 - 0.8x + 30

To find the minimum height of the cable above the bridge, we need to find the vertex of the parabola, which is the lowest point.

The x-coordinate of the vertex is given by:

x = -b / 2a

where a = 0.25 and b = -0.8. Substituting these values, we get:

x = -(-0.8) / 2(0.25) = 1.6

So the vertex is at x = 1.6.

To find the height of the cable at the vertex, we substitute x = 1.6 into the equation for h(x):

h(1.6) = 0.25(1.6)^2 - 0.8(1.6) + 30 = 29.48

Therefore, the minimum height of the cable above the bridge is approximately 29.48 feet (rounded to two decimal places).

3x(x-3)=12 How do you solve this

Answers

Step-by-step explanation:

3x squared -9 = 12

3x squared = 12 + 9

3x squared = 21

am i doing the wrong maths?

is it find what 3x squared is or....

Divide 240g in the ratio 5: 3: 4.method

Answers

To divide 240g in the ratio 5:3:4, we need to find out the total number of parts of the ratio:

5 + 3 + 4 = 12

Now, we can find the value of one part of the ratio by dividing the total quantity by the total number of parts:

240g ÷ 12 = 20g

So, one part of the ratio is equal to 20g.

To find the quantities of each part of the ratio, we multiply the value of one part by the respective ratio number:

5 parts x 20g = 100g (for the first part)

3 parts x 20g = 60g (for the second part)

4 parts x 20g = 80g (for the third part)

Therefore, the quantities of 240g divided in the ratio 5:3:4 are 100g, 60g, and 80g respectively.

The road is 7m wide. The Corner is in the shape of a quarter of a Cude the inside radius of the Corner is 70m. Ali Walks round the Corner on the inside, from A to B, Obi walks round the Corner On Obe Outside from C Go D. How much further does Obi walk than Ali? use the Value 22 for To- 7​

Answers

The circumference of the inside of the corner is:

C = 2πr = 2π(70) ≈ 439.82 m

Since the corner is a quarter of a cube, its length is equal to one-fourth of the cube's edge length, which is:

l = (1/4) x 22 = 5.5 m

The distance Ali walks from A to B is equal to the length of the inside of the corner, which is approximately 439.82 m.

To find the distance Obi walks from C to D, we need to calculate the length of the path around the outside of the corner. The outside radius of the corner is equal to the sum of the inside radius and the width of the road, which is:

r' = r + w = 70 + 7 = 77 m

The length of the path around the outside of the corner is:

L = 2πr' = 2π(77) ≈ 483.43 m

Since Obi walks around the outside of the corner, he walks a distance that is greater than the distance Ali walks on the inside. Therefore, Obi walks:

483.43 m - 439.82 m = 43.61 m

further than Ali.

Which of the loans should you try to pay off first?
A. a loan for $3,400 at 16%
B. a loan for $3,500 at 15%
C. a loan for $3,600 at 14%
D. a loan for $3,700 at 13%

Answers

A loan for $3,400 at 16% should be paid first as it has the highest interest rate.

What is loan?

A loan is a financial agreement in which one party (the lender) agrees to give money, property, or other assets to another party (the borrower) in exchange for the promise of repayment with interest or other charges. Loans are typically used by individuals, businesses, or governments to finance specific projects, make purchases, or cover expenses.

Assuming that all other factors such as minimum payments and penalties are the same, the loan that you should try to pay off first is the one with the highest interest rate, as it will be accruing interest at a faster rate than the others.

Based on this reasoning, the loan that you should try to pay off first is option A, which has a higher interest rate of 16%.

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if i had 1000 apples and gave 39 away

how many wouldd i have left

Answers

Answer:

1000-39=961

so 961 apples are left.

961 because you would just subtract 39 from 1000 to get 961 apples

Find each angle measure to the nearest degree.

Answers

Answer:

5) A = 70°

6) X = 55°

7) Y = 8°

8) A = 51°

Step-by-step explanation:

There really no way to explain. All you ahve to do is inverse function to solve for the angle. Use a calculator.

5) sin(A) = 0.9397

[tex]A=sin^-1(0.9397)\\\\A=69.701...\\\\A = 70\\[/tex]

6) cos(X) = 0.5763

[tex]X=cos^-1(0.5763)\\\\X=54.998...\\\\X=55\\[/tex]

7) tan(Y) = 0.1405

[tex]Y=tan^-1(0.1405)\\\\Y=7.997...\\\\Y = 8\\[/tex]

8) sin(A) = 0.7771

[tex]A=sin^-1(0.7771)\\\\A=50.995...\\\\A = 51\\[/tex]

Given: AM = MC, BN = NC Prove: ΔABC ~ ΔMNC.

Answers

The prove to show that ΔABC is similar to ΔMNC is explained below.

How to prove that two triangles are similar?

Similar triangles are triangles that have the same shape but are not necessarily the same size. More precisely, two triangles are similar if their corresponding angles are congruent and their corresponding sides are proportional.

Considering the given diagram, we can say:

AM = MC    (Given)

BN = NC     (Given)

BC = BN + NC (addition property of a line segment)

AC = AM + MC (addition property of a line segment)

NC/ BC = MC/ AC = constant

∠ACB = ∠MCN  (Reflexive property)

Thus, ΔABC ~ ΔMNC (Side-Angle-Side theorem)

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please helpppp asap thank you !!:)

Answers

[tex]f(-11) = 3(-11)^{2} - 5 = 3(11)^{2} - 5 = 3(121) - 5 = 363-5= \bf 358[/tex]

Answer:D

Step-by-step explanation:

if x==-11

then,

f(-11) means you should write -11 in every x you see.

[tex]f(-11)=3*(-11)^{2} -5=3*121-5=363-5=358[/tex]

Given the function I need to evaluate question a)

Answers

Answer:

a) p(-6) = 30

b) c = -2 ,1

Step-by-step explanation:

[tex]p(c)=c^2+c[/tex]

a) Evaluate p(-6)

This mean input -6 into the equation to solve for p(-6) =

[tex]p(-6)=(-6)^2+(-6)\\\\p(-6)=36-6\\\\p(-6)=30\\[/tex]

(b) Solve for p(c) = 2.

[tex]p(c)=c^2+c\\\\2=c^2+c\\\\c^2+c=2\\\\c^2+c-2=0\\\\Factoring\\(c+2)(c-1)=0\\(c+2)=0,(c-1)=0\\c = -2 , 1[/tex]

Answer is
P(-4)

P(-4)=(-4)^2+(-4)

P(-4)=16-4

P(-4)=12

x + 5 < 2

the solution is ??

Answers

Answer:

x < -3

Step-by-step explanation:

x + 5 < 2

x < -3

So, the answer is x < -3

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