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3 years ago

Find the radius of the sphere with a volume of 32/81π cubic yards. Write your answer as a fraction in simplest form. PLEASE HELP

1 answer:

8 0

Area of a sphere = 4(pi)(r)^2
Reverse the equation to find the radius (r)
The answer will be in pi form

32/81(pi)

8/20.25(pi)

Square root of 8/20.25(pi) = radius

r = 2.8(rounded)/4.5(pi)

:)

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zlopas [31]

Answer:

x=−4/5 or x=−3

Step-by-step explanation:

Step 1: Factor left side of equation.

(5x+4)(x+3)=0

Step 2: Set factors equal to 0.

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2 years ago

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3 years ago

On the blueprint of a house, 36 millimeters represents 8 meters. The actual length of the living room is 6 meters. What is its l

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3 years ago

You’re taking an exam in math, and you spend 5 minutes for every 2 questions you answer on the test.(Plz answer! I’m failing and

Natali5045456 [20]

Given:

Time spend on every 2 questions = 5 minutes.

To find:

The missing values for the given table.

Solution:

Let x be the number of questions and y be the number of minutes.

We have,

Time spend on every 2 questions = 5 minutes

Time spend on 1 question = $\dfrac{5}{2}=2.5$ minutes

Time spend on x questions = $2.5x$ minutes

Now,

$y=2.5x$

For x=0,

$y=2.5(0)=0$

For x=1,

$y=2.5(1)=2.5$

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$y=2.5(2)=5$

For x=3,

$y=2.5(3)=7.5$

For x=4,

$y=2.5(4)=10$

Therefore, the required table is

Questions : 0 1 2 3 4

Time (minutes) : 0 2.5 5 7.5 10

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2 years ago