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4 years ago

7

V=(1/3)pie r^2h solve for r

1 answer:

Over [174]4 years ago

6 0

To solve this remember that it can be written as V=Pi r^2h/3, then you need to multiply 3 to both sides of the equation. Then you get 3V=Pi r^2h. To solve for r^2, divide both sides of the equation by Pi h and then you will get the expression as 3V/Pi h. Take the square root and the final answer is 3V/Pi h in which the whole expression is under a square root.

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⦁ The data set shows the number of practice throws players in a basketball competition made and the number of free throws they m

barxatty [35]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the data:

Practice throws(X) : 4 10 6 15 0 7 11

Free throws(Y) : 8 23 9 34 5 11 27

Using the online linear regression calculator :

ŷ = 2.1559X + 0.3912

2.1559 = slope

0.3912 = intercept

X = independent variable ; y = dependent variable

The Coefficient of determination (R²) = 0.9506² = 0.9036

Quadratic model : y = 0.0961x²+0.7138x+3.8031

Coefficient of determination(R²) = 0.9739² = 0.9485

Exponential model:

a*b^x

Coefficient of determination (R²) = 0.9753² = 0.9512

The exponential model fits the data best.

7 0

3 years ago

A density curve for all the possible ages between 0 years and 50 years is in the shape of a triangle. What is the height of the

Alex_Xolod [135]

Answer:

0.04

Step-by-step explanation:

For a density curve, total area = 1

Probability lies in between 0 and 1

The Area of triangle :

Area = 1/2 base * height

Base = 0 - 50 = 50

Area = 1

Hence,

1 = 1/2 * 50 * h

1 = 50h / 2

2 = 50h

h = 2 / 50

h = 0.04

5 0

3 years ago

What is the rate of change between the points 6,45 and 9,67.5

pochemuha

Answer:

7.5

Step-by-step explanation:

the slope m is a measure of the rate of change

Calculate m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (6, 45 ) and (x₂, y₂ ) = (9, 67.5 )

m = $\frac{67.5-45}{9-6}$ = $\frac{22.5}{3}$ = 7.5 ← rate of change

5 0

3 years ago

An investment is currently worth 1.035×108 dollars . Thirty years ago, the investment was worth 2.3×105 dollars. How many ti

nevsk [136]

The correct option is: B. 450

<u><em>Explanation</em></u>

Current value of the investment is $1.035\times 10^8$ dollars and 30 years ago, the value of the investment was $2.3\times 10^5$ dollars.

Suppose, the value of investment today is $n$ times greater than the value of the investment thirty years ago.

So, the equation will be........

$n(2.3\times 10^5)=1.035\times 10^8\\ \\ n= \frac{1.035\times 10^8}{2.3\times 10^5}=0.45\times 10^3 = 450$

Thus, the value of the investment today is 450 times greater than the value of the investment thirty years ago.

6 0

4 years ago

Read 2 more answers

If JL=18, NK=12, and ML=10,find the perimeter of the kite JKLM

Elena-2011 [213]

Answer:

40

Step-by-step explanation:

18+12+10

8 0

3 years ago