The volume of a tank can be calculated by multiplying its length, width, and height.
Therefore, the expression to calculate the total amount of water a tank can hold in gallons can be represented by V = lwh, where V is the volume, l is the length, w is the width, and h is the height of the tank.
To find out how many -gallon buckets of water it takes to fill the tank, we can divide the total amount of water the tank can hold by the size of each bucket. This can be represented by the expression: n = V/g, where n is the number of buckets, V is the total amount of water the tank can hold, and g is the size of each bucket.
For example, if the tank is 8 feet long, 4 feet wide, and 2 feet tall and each bucket holds 1 gallon of water, the total amount of water the tank can hold is V = (8)(4)(2) = 64 gallons. Thus, the volume of a tank buckets of water needed to fill the tank would be n = 64/1 = 64 buckets.
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Complete question : Raul has a tank with a capacity of 200 gallons and wants to use buckets that hold 5 gallons each. How many buckets does he need to fill the tank?
Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one same-day ticket is 60 . For one performance, 40 advance tickets and 15 same-day tickets were sold. The total amount paid for the tickets was 1400. What was the price of each kind of ticket?
Answer: Let's call the price of an advance ticket "a" and the price of a same-day ticket "s". We know that the combined cost of one advance ticket and one same-day ticket is 60, so we can set up the equation: a + s = 60.
We also know that 40 advance tickets and 15 same-day tickets were sold for a total of 1400 dollars. So we can set up the equation: 40a + 15s = 1400
We have a system of two equations with two variables. We can use substitution or elimination method to solve for the unknowns.
Using substitution:
Solve the first equation for s, s=60-a
substitute it into the second equation, 40a + 15(60-a) = 1400
Expanding the second equation: 40a + 900 - 15a = 1400
25a = 500
a = 20
substitute a back into the first equation: s = 60 - 20 = 40
So the price of an advance ticket is $20, and the price of a same-day ticket is $40.
Step-by-step explanation:
m = 6
point = (12, -8)
b = ?
solve it
Step-by-step explanation:
you mean the slope-intercept form of a line equation ?
y = mx + b
or what is the problem ?
if my assumption is correct, then m is the slope of the line.
and we got a point on the line.
so, we could start with the point-slope form and then transform.
the point-slope form is
y - y1 = m(x - x1)
again, m is the slope, (x1, y1) is a given point on the line.
so, we have
y - -8 = 6(x - 12)
y + 8 = 6x - 72
y = 6x - 80
that means b = -80
Mason has 2/3 of a foot of ribbon. He needs to divide the ribbon into 1/6 -foot pieces.
How many pieces can he cut from the ribbon?
Based on the information provided, Mason can cut four pieces of ribbon.
How much ribbon does Mason have?Based on the information provided, Mason has 2/3 of a foot ribbon, which is equivalent to 0.66.
How many pieces can he cut out of the total ribbon he has?To know the answer, use a division with the following formula:
Total ribbon/ size of the desired pieces
0.66 / 2/3 or 0.166 (2/3 = 0.166)
0.66 / 0.166
4 pieces
Based on this, it can be concluded that Mason will be able to get 6 1/6 feet long pieces.
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a constant volume of cookie dough is formed into a cylinder with a relatively small height and large radius. when the cookie dough is placed into the oven, the height of the dough decreases as the radius increases, but it retains its cylindrical shape. at time t, the height of the dough is 6 mm, the radius of the dough is 20 mm, and the radius of the dough is increasing at a rate of 2 mm per minute. Part A: At time t, at what rate is the area of the circular surface of the cookie dough increasing with respect to time? (5 points)
Part B: At time t, at what rate is the height of the dough decreasing with respect to time?
So, the rate at which the area of the circular surface of the cookie dough is increasing with respect to time is 80π mm^2/min and the rate at which the height is decreasing with respect to time is -2 mm/min.
Part A: The area of the circular surface of the cookie dough is given by A = πr^2, where r is the radius of the dough. The rate at which the area is changing with respect to time is given by dA/dt = 2πr*dr/dt. At time t, the radius is 20 mm and the rate at which it is increasing is 2 mm/min. Therefore, the rate at which the area of the circular surface of the cookie dough is increasing with respect to time is dA/dt = 2π(20 mm)(2 mm/min) = 80π mm^2/min.
Part B: The height of the dough is given by h, and the rate at which the height is decreasing with respect to time is given by dh/dt. Since the dough is retaining its cylindrical shape, the decrease in the height of the dough is exactly the opposite of the increase in the radius. At time t, the rate at which the radius is increasing is 2 mm/min, so the rate at which the height is decreasing with respect to time is dh/dt = -2 mm/min.
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Before you work on your homework each week, please make sure you've read through the assigned sections in the book.
The assigned reading for this lesson begins with this quote:
Quote:
Human beings only use ten percent of their brains. Ten percent! Can you imagine how much we could accomplish if we used the other sixty percent?
According to the textbook, who said this quote?
Please help 30 points
The quote that "Human beings only use ten percent of their brains. Ten percent! Can you imagine how much we could accomplish if we used the other sixty percent?" was made by Ellen DeGeneres.
What is a quote?The representation of an utterance in oral speech that is preceded by a quotative marker, such as a verb of saying, is known as a paraphrase. When doing a brainstorming exercise, quotes can help spark ideas that then influence the ideas for the piece.
Through the presentation of other people's ideas, they can steer you in new directions. Finally, using short quotes that won't keep a writer from writing for too long can help them as they put a piece together.
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A normally distributed variable is known to have a mean of 34 and a standard deviation of 2. Between what two values does 95% of the data lie?
O 28 and 40
O 32 and 36
O 30 and 38
O 25 and 35
Answer:
C) 30 and 38
Step-by-step explanation:
In a normal distribution, 95% of the data points fall within two standard deviations of the mean.
Given:
mean μ = 34standard deviation σ = 2To find the two values between which 95% of the data lies, subtract and add two standard deviations to the mean:
⇒ μ - 2σ = 34 - 2(2) = 34 - 4 = 30
⇒ μ + 2σ = 34 + 2(2) = 34 + 4 = 38
Therefore, 95% of the data lies between the values:
30 and 38.In how many ways can 3 novels, 2 mathematics books, and 1 chemistry book be arranged on a bookshelf if (a) the books can be arranged in any order? (b) the mathematics books must be together and the novels must be together? (c) the novels must be together, but the other books can be arranged in any order?
The probability (a) 6! ways; (b) 3! ways; (c) 3!2! ways. 6! = 6 x 5 x 4 = 120, 3! = 3 x 2 x 1 = 6, 3!2! = 3 x 2 x 1 x 2 x 1 = 12.
(a) In this instance, the three novels, two volumes on mathematics, and one book on chemistry can be arranged on the bookshelf in any sequence. By multiplying the number of things in each category, you can arrive at the answer: 3 novels x 2 math books x 1 chemistry book = 6. These things can be arranged in 6! (6 factorial) different ways, which is equal to 120 when multiplied by 6 x 5 x 4.
(b) In this instance, both the novels and the mathematical books must be in the same location. You can figure this out by multiplying the number of things in each category; for example, 3 novels times 1 collection of math books is 3. These things can be arranged in 3! (3 factorial) different ways, which is equal to 3 x 2 x 3.
(c) The other books may be put in any sequence, but the novels in this instance must be together. By multiplying the amount of items in each category, you can arrive at the answer: 3 novels x 2 math books and 2 x 2 chemistry books = 6. These objects can be arranged in 3!2! (3 factorial x 2 factorial) ways, which is equal to 12 when multiplied by 3 x 2 x 1 x 2 x 1.
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You are inflating a balloon in a room. The volume of the balloon is
given by V(m, θ) = sqrtθ [ln(m)],
where m is the mass of the air in the balloon, and θ is the temperature of the room.
Suppose that at time t, the mass of air in the balloon is m(t) = t^2+3 and the temperature of the room is θ(t) = e^t.
Use the chain rule to find the rate at which the volume is
changing at time t.
According to the question rate at which the volume is dV/dt = dV/dm * dm/dt + dV/dθ * dθ/dt.
What is the straightforward meaning of volume?The space covered within an object's borders in three dimensions is referred to as its volume. It is refereed as the object's capability on occasion.
How is volume measured?Volume, which is measured in cubic units, is the three dimensional volume occupied by matter or encircled by a surface. The cubic centimeter (m3), a derived unit, is the Standard unit of volume.
Substituting in the given information, we have:
V(m, θ) = sqrt(θ) * ln(m)
m(t) = t^2 + 3
θ(t) = e^t
Therefore:
dV/dm = (1/m) * sqrt(θ)
dm/dt = 2t
dV/dθ = (1/2sqrt(θ)) * ln(m)
dθ/dt = e^t
plugging in the values of m(t) = t^2 + 3 and θ(t) = e^t
dV/dt = (1/(t^2+3)) * sqrt(e^t) * 2t + (1/2sqrt(e^t)) * ln(t^2+3) * e^t
So the rate at which the volume is changing at time t is given by dV/dt
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find a polynomial polynomial the sum or difference of terms which have variables raised to non-negative integer powers and which have coefficients that may be real or complex that represents the perimeter perimeter the length of the outer edge of a shape. of the rectangle rectangle a quadrilateral containing four right angles. .
The perimeter of a rectangle can be represented by a polynomial expression. The expression will consist of two terms, one representing the width and one representing the length. Each term will contain a variable, which is to the power of one, multiplied by a coefficient. The sum of the two terms produces the perimeter of the rectangle.
For example, if the width of the rectangle is w and the length is l, then the polynomial expression for the perimeter would be: P = w + l. This expression can also be written in expanded form as: P = w + w + l + l.
By adding more terms to this polynomial expression, the perimeter of more complex rectangles can be found. For example, if the rectangle is not a perfect square, then two additional terms can be added to the polynomial expression. One term will represent the extra width and one term will represent the extra length. By adding these two additional terms, the perimeter of the rectangle can be calculated.
In conclusion, the perimeter of a rectangle can be represented as a polynomial expression, which consists of terms that have variables raised to the power of one and are multiplied by coefficients. By adding more terms to the expression, the perimeter of more complex rectangles can be found.
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The linear equation y=2x represents the cost y for x pounds of apples. Which ordered pair lies on the graph of the equation
The ordered pair that lies on the graph of the equation is (1, 2)
How to determine the ordered pair lies on the graph of the equationFrom the question, we have the following parameters that can be used in our computation:
y = 2x
The point in the ordered pair lies on the graph of the equation is the solution set
Take for instance, we set x = 2
So, we have
y = 2 * 1
Evaluate the product
This gives
y = 2
When repesented as an ordered pair, we have
(1, 2)
Hence, the point is (1, 2)
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nscribed and Circumscribed Circles: Tutorial
?
Answer the question below. Type your response in the
space provided.
In quadrilateral QRST, m¿Q > is 68°, m¿R is (3x + 40)º, and m¿T is (5x
52)°. What are the measures of ZR, ZS, and
values in that order with the measures separated by commas.
Done
Clear
The angle ∠R, ∠S, and ∠T for the quadrilateral are ∠R, ∠S, ∠T = 112°, 112°, 68°.
what are quadrilaterals?
A quadrilateral is a polygon with four sides, four vertices, and four angles.
It is formed by joining four non-collinear points. The sum of the interior angles of quadrilaterals is always equal to 360 degrees. The word quadrilateral is derived from the Latin words ‘Quadra’ which means four and ‘Latus’ means ‘sides’. Not all the four sides of a quadrilateral need to be equal in length. Hence, we can have different types of quadrilaterals based on sides and angles.
Five special quadrilaterals are shown below in the image, along with their definitions and pictures, and points for them to get proven.
Now,
TQRS is an inscribed quadrilateral.
5 x - 52° + 3 x + 40° = 180°
8 x - 12° = 180°
8 x = 180° + 12°
8 x = 192°
x = 192° : 8 = 24°
m∠ R = 3 · 24° + 40° = 112°
m∠ T = 5 · 24° - 52° = 68°
m∠ S = 360° - ( 68° + 68° + 112° ) = 112°
Answer:
∠R, ∠S, ∠T = 112°, 112°, 68°.
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Right question:-
"In quadrilateral QRST, m∠Q is 68°, m∠R is (3x + 40)°, and m∠T is (5x − 52)°. What are the measures of ∠R , ∠S , and ∠T ? Write the numerical values in that order with the measures separated by commas.
The owner of a public golf course is concerned about slow play, which clogs the course and results in selling fewer rounds. She believes the problem lies in the amount of time taken to sink putts on the green. To investigate the problem, she randomly samples 10 foursomes and measures the amount of time they spend on the 18th green. The data are listed here. Assuming that the times are normally distributed with a standard deviation
of 2 minutes, test to determine whether the owner can infer at the 5% significance level that the mean amount of time spent putting on the 18thgreen is greater than 6 minutes
If the calculated value is less than the table value, we fail to reject the null hypothesis.
What is the null hypothesis?
The null hypothesis is a statement or assumption that there is no statistically significant difference or relationship between two variables or groups being studied. It is usually denoted by the symbol H₀. It serves as a starting point for a statistical hypothesis test, and it is the opposite of the alternative hypothesis, which states that there is a statistically significant difference or relationship between the variables or groups being studied.
for the given sample :
mean=6.6
S.D=2.31
n=10
Mean of population:6
t0=(6.6-6)/2.31/sqrt(10)=0.82
for 95% confidence and 9 df
t value is:2.26
Hence, if the calculated value is less than the table value, we fail to reject the null hypothesis.
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Can you guys help me with this one?
The ratio table can be completed as follows :
2 flowers - 10 petals 4 flowers - 20 petals 3 flowers - 15 petals How to complete the ratio table ?The ratio table shows that every flower would have 5 petals.
2 flowers would therefore have ;
= 2 flowers x 5 petals
= 10 petals
4 flowers would have :
= 4 flowers x 5 petals
= 20 petals
15 petals would belong to :
= 15 / 5 petals per flower
= 3 flowers
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In the preivous activity you used a table of coordinates to determine that the baseball Billy hit followed a nonlinear path.I’m this activity you will use a graphical means to make the same determination
This equation represents the path of the ball that billy
Y=-1/300 x2 +x+3
Answer:
Part a: Answer is 1/2
78-3/1500 = 75/150
= 1/2
Part b: Answer is -1/2
3-78/300-150
=-75/150
= -1/2
Part c: No, the two rates aren't the same,
because one is positive and the other is
negative.
Part d: The rate of change of the function
determined by using the two pairs of
coordinates is not the same. So, the
function modeling the movement of the
ball is a nonlinear function
Suppose one-sixth of a certain company's sales are made in New England. If New England sales amount to $700,000, what are the total sales (in dollars) of the company?
Answer:
$4,200,000
Step-by-step explanation:
let x = total sales
(1/6)x = 700,000
x = 700,000(6/1) = 4,200,000
**dividing by 1/6 is the same as multiplying by 6
The acceleration function (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.
The acceleration function (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.
a(t) = 2t + 6, v(0) = −16, 0 ≤ t ≤ 5
(a) Find the velocity at time t.
v(t)=______ m/s
(b) Find the distance traveled during the given time interval.
By applying the definite integral, it can be concluded that the velocity at time t is v(t) = t² + 6t - 16, and the distance traveled during the given time interval is 36.67 meters.
Definite integral is the integral of a function whose values of the independent variables have a certain interval.
This kind of integral is frequently used for calculating the acceleration and velocity of a moving object.
a(t) = dv/dt
v(t) = ds/dt
To find the velocity at time t, we look at the given acceleration function:
a(t) = dv/dt
2t + 6 = dv/dt
dv = (2t + 6) dt
v(t) = ∫(2t + 6) dt
= t² + 6t + C
Knowing that v(0) = -16, we put this into the previous equation so we get C = -16
Now we have the velocity at the time t as follows:
v(t) = t² + 6t - 16
To find the distance traveled, we look at the velocity function:
v(t) = ds/dt
t² + 6t - 16 = ds / dt
ds = (t² + 6t - 16) dt
s = ∫(t² + 6t - 16) dt
= 1/3t³ + 3t² - 16t + C
Then we calculate the distance traveled during 0 ≤ t ≤ 5:
s = s(5) - s(0)
= (1/3 * 5³) + (3 * 5²) - (16 * 5) + C - 0 - 0 + 0 - C
= 125/3 + 75 - 80
= 125/3 - 5
= 125/3 - 15/3
= 110/3
≈ 36.67 meters.
Thus, the velocity at time t is v(t) = t² + 6t - 16, and the distance traveled during the given time interval is 36.67 meters.
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The table at the right shows the random sample that Jeremy generated from the same population as Morgan's and Maddy's samples. Compare Jeremy's sample to Morgan's and Maddy's.
When Jeremy's sample is being compared to the sample collected by Morgan and Maddy by the left, about 6 Jeremy samples ranges from 81-10 while only 2 samples ranges from 81-100 in Morgan's and Maddy's.
What is a histogram?A histogram is defined as one of the graphical way of representation of data for an easy analysis, comparison and interpretation of results.
From the two histogram given above, the comparison of both results shows that about 6 Jeremy samples ranges from 81-10 while only 2 samples ranges from 81-100 in Morgan's and Maddy's.
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Suppose your city is building a new park, and issues bonds to raise the money to build it. You obtain a $1,000 bond that pays 5% interest annually that matures in 5 years. How much interest will you earn?
Answer:
To find out how much interest you will earn, you need to multiply the bond principal amount ($1,000) by the interest rate (5%) and the number of years the bond matures (5).
The interest rate is expressed as a percentage, so you need to convert it to a decimal by dividing it by 100.
Interest = Principal x Interest Rate x Time
Interest = $1,000 x 0.05 x 5
Interest = $1,000 x 0.05 x 5 = $250
So, you will earn $250 in interest over the 5-year period.
Three women can bake 75 cakes in 5 days. How many cakes
can 6 women bake in 6 days?
Answer:
108 sorry there no more explanation!
Answer:
Step-by-step explanation:
180
Many people have misconceptions about how profitable small, consistent investments can be. In a survey of 1010 randomly selected U.S. adults (Associated Press, October 29, 1999), only 374 responded that they thought that an investment of $25 per week over 40 years with a 7% annual return would result in a sum of over $100,000 (the correct amount is $286,640). Is there sufficient evidence to conclude that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000? Test the relevant hypotheses using α =.05.
No, there is not. We do not have sufficient evidence to conclude that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000.
Two-Proportion Z-Test ResultsTo test the hypothesis that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000, we can use a two-proportion z-test. The null hypothesis is that the proportion of U.S. adults who are aware of the investment's outcome is equal to or greater than 40%, and the alternative hypothesis is that the proportion is less than 40%.
The test statistic is calculated as:
z = (p1 - p2) / √(p(1-p)(1/n1 + 1/n2))
where p1 is the proportion of U.S. adults in the sample who are aware of the investment's outcome (374/1010), p2 is the proportion assumed in the null hypothesis (0.4), and n1 and n2 are the number of observations in the sample and population, respectively.
Using these values, the test statistic is:
z = (0.369 - 0.4) / √(0.4(1-0.4)(1/1010)) = -1.08
Using a two-sided test with a significance level of 0.05, we can look up the critical value in a standard normal table or using software and find that the critical value is ±1.96. Since -1.08 is between -1.96 and 1.96, we fail to reject the null hypothesis.
Therefore, we do not have sufficient evidence to conclude that less than 40% of U.S. adults are aware that such an investment would result in a sum of over $100,000.
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Can someone please explain this to me step by step? I am rather confused as to what to do.
The coordinate of P that divides line AB in the ratio 4:1 is (6.6, 3.8)
What is an equation?An equation is an expression that shows the relationship between numbers and variables.
If a point O(x, y) divides line segment AB with endpoints A(x₁, y₁) and B(x₂, y₂) in the ratio of n:m. The coordinates of O is:
[tex]x = \frac{n}{n+m}(x_2-x_1)+x_1 \\\\y = \frac{n}{n+m}(y_2-y_1)+y_1[/tex]
Given that P(x, y) divides line AB in the ratio 4:1. The coordinates are A(1, 3) and B(8, 4). Therefore:
[tex]x=\frac{4}{4+1}(8-1) +1=6.6\ unit\\\\y=\frac{4}{4+1}(4-3) +3=3.8\ unit[/tex]
The coordinate of P is (6.6, 3.8)
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What was Di's average velocity, in miles per hour, from the interval
t = 10 min
to
t = 15 min?
(Round your answer to two decimal places.)
Average velocity between the interval t = 10 min to t = 15 min is; 52.5 miles per hour
How to find the average velocity?The expression showing Di's average velocity, in miles per hour, t minutes after entering the interstate highway is;
v(t) = ¹/₂₀₀t³ + ³/₂₀t² - ³/₈t + 60
At t = 10 minutes, we have;
v(10) = ¹/₂₀₀(10³) + ³/₂₀(10²) - ³/₈(10) + 60
v(10) = 5 + 15 - 7.5 + 60
v(10) = 52.5 miles per hour
At t = 15 minutes, we have;
v(15) = ¹/₂₀₀(15³) + ³/₂₀(15²) - ³/₈(15) + 60
v(15) = 16.875 + 33.75 - 5.625 + 60
v(15) = 105 miles per hour
Thus;
Average velocity between the interval t = 10 min to t = 15 min is;
v(15) - v(10) = 105 - 52.5
= 52.5 miles per hour
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x-2 for x = 8
help pls
Answer:
6
Step-by-step explanation:
since x=8, 8-2 equals 6
Find the slope of a line perpendicular to the line whose equation is 4x - 3y = -3.
Fully simplify your answer.
The slope of the line having the equation 4x - 3y = -3 is calculated to be
4/3
How to find the slope of the lineThe slope of the line is gotten by rewriting the equation of the line in the standard form Ax + By = C. to equation of a line in slope intercept form which is y = mx + c
The equation of line in the problem is 4x - 3y = -3
The equation is rewritten as follows
4x - 3y = -3
-3y = -3 - 4x
Isolating y by dividing trough by -3
y = 1 + 4/3 x
y = 1.33x + 1
comparing with y = mx + c where m is the slope we can see that m = 4/3
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Quadrilateral GFHE and quadrilateral TRQS are similar. Which pair of angles are corresponding congruent angles of these quadrilaterals?
The following pair of angles are corresponding congruent angles of these quadrilaterals:
∠G ≅ ∠T
∠F ≅ ∠R
∠H ≅ ∠Q
∠E ≅ ∠S
What is quadrilateral?A quadrilateral in geometry is a four-sided polygon with four edges and four corners.
Given:
Quadrilateral GFHE and quadrilateral TRQS are similar.
The figures are given in the attached image.
The following pair of angles are corresponding congruent angles of these quadrilaterals:
∠G ≅ ∠T
∠F ≅ ∠R
∠H ≅ ∠Q
∠E ≅ ∠S
Therefore, all the pairs are given above.
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(50 POINTS AND BRAINLYEST)
The side length of the square is 14 units long, what is the diameter of the circular base of the cylinder from the picture in number 1?
Answer: the diameter of the circle is about 19.8
Step-by-step explanation:
Since the length of the square is 14 units, we can use the Pythagorean theorem to find the diagonal:
14^2 + 14^2 = c^2
196 + 196 =c^2
392 = c^2
c = about 19.8
Answer:
19.8
Step-by-step explanation:
The diameter of the base of the cylinder is equal to the diagonal of the inscribed square and is equal to the hypotenuse of an equilateral triangle into which the square is divided by diagonals ... By the Pythagorean theorem, the diameter (hypotenuse) is equal to the square root of the sum of the squares of the legs and is equal to 19.8
A graphing calculator is recommended.
Find the maximum and minimum values of the function. (Round your answer to two decimal places)
y=3x-4sin3x, 0x2π
The Maximum value of the function is 5.71 and the Minimum value of the function is -2.71. To find the maximum and minimum values of the function y=3x-4sin3x, 0x2π, we used a graphing calculator.
first, we set the range of x from 0 to 2π and graphed the function. By looking at the graph, I could identify the maximum and minimum values of the function. The maximum value was 5.71 and the minimum value was -2.71. This can be seen at the peak and trough of the graph respectively. I then used the calculator to find the exact values of the maximum and minimum.
To do this, I used the 'maximum' and 'minimum' functions on the graphing calculator. This allowed me to input the function and the range of x and the calculator was able to output the exact maximum and minimum values. The output was 5.71 and -2.71. The calculator used was able to identify the maximum and minimum values of the function by using a process called calculus.
Calculus is the study of how functions change and by using the maximum and minimum functions, the calculator can identify the peak and trough of the graph.
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Please answer this question for me
The value of x and y in the parallel lines are 14 and 60 respectively.
How to find angles in parallel lines?When parallel lines are cut by a transversal line, angle relationships are formed such as corresponding angles, alternate exterior angles, alternate interior angle, linear angles, vertically opposite angles etc.
Therefore, let's find the values of x and y in the parallel lines as follows:
4x + 12 = 68 (vertically opposite angles)
Vertically opposite angles are congruent.
Hence,
4x + 12 = 68
4x = 68 - 12
4x = 56
divide both sides by 4
x = 56 / 4
x = 14
Therefore, let's find the value of y.
68 + 2y - 8 = 180(same side interior angles)
Same side interior angles are supplementary
68 + 2y - 8 = 180
2y = 180 - 68 + 8
2y = 120
y = 120 / 2
y = 60
Therefore,
x = 14
y = 60 degrees
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“One-third of a herd of elephants and three times the square root of the remaining part of the herd were seen on a mountain slope; and in a lake was seen a male elephant along with three female elephants constituting the ultimate(last) remainder. How many were the elephants here?”
The total number of elephants in the herd is 24.
How did we arrive at the value?This is a math problem that can be solved using algebra. To start, let x be the total number of elephants in the herd.
From the first part of the problem, we know that:
x/3 = a herd of elephants seen on a mountain slope
From the second part of the problem, we know that:
3 * √(x - x/3) = a herd of elephants seen on a mountain slope
From the third part of the problem, we know that:
1 + 3 = 4 = the ultimate remainder of the herd seen in a lake.
We can then use these equations to solve for x.
x/3 + 3 * √(x - x/3) + 4 = x, where x is the total number of elephants in the herd.
x = 3 * (1 + √(x - x/3) + 4)
Solving for x, we get x = 24
So, the total number of elephants in the herd is 24.
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twelve people each spin a coin. find the number of ways in which exactly five heads may be obtained
the probability exactly five heads may be obtained is 77%.
What is probability?
By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula. Because the favorable number of outcomes can never exceed the entire number of outcomes, the chance of an event occurring might range from 0 to 1.
twelve people each spin a coin.
n = number of trials = 12
x = number of successes(head) among n trials = 5
p = probability of success(head) in any one trial = 1/2
probability of failure in any one trial (q = 1 - p) = 1/2
exactly five heads may be obtained 12 C 5 * (1/2)[tex].{5}[/tex] *(1/2)[tex].{5}[/tex] = 792/1024 =0.77
Hence the probability exactly five heads may be obtained is 77%.
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