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3 years ago

7

Suppose you know the surface area of a sphere. Explain how you would find the volume of the sphere. Provide an example.

1 answer:

Anna007 [38]3 years ago

3 0

The surface area of a sphere is...

A = 4 pi r^2

We would find the radius in which we make this an equation of the radius.

r = (sqrt A pi) / 2 pi

Once we identify r we would then input the radius in the equation for the volume of a sphere....

<span>V = 4/3 pi r^3</span>

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One number is 4 more than another number. If the greater number is x, what is the other number?

saveliy_v [14]

first number: x

second number: x -4

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3 years ago

Solve for the value of N N(4+6) = 11 + 29

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3 years ago

Read 2 more answers

Together, teammates Pedro and Ricky got 2673 base hits last season. Pedro had 277 more hits than Ricky. How many hits did each

ioda

Answer:

Pedro got 1520 base hits and Ricky got 1243.

Step-by-step explanation:

This question can be solved by a system of equations.

I am going to say that:

x is the number of base hits that Pedro got.

y is the number of base hits that Ricky got.

Pedro and Ricky got 2673 base hits last season.

This means that $x + y = 2763$

Pedro had 277 more hits than Ricky.

This means that $x = y + 277$

Replacing in the first equation

$x + y = 2763$

$y + 277 + y = 2763$

$2y = 2486$

$y = \frac{2486}{2}$

$y = 1243$

$x = y + 277 = 1243 + 277 = 1520$

Pedro got 1520 base hits and Ricky got 1243.

4 0

3 years ago

What is the area of this parallelogram? O 28 m2 O 56 m2 0 84 m2 0 120 m2

Advocard [28]

Answer:

area of parllelogram=base×height=(4+8)×7=12×7=

84m²

4 0

2 years ago

Can somebody help me please

serious [3.7K]

Answer:

-7 and 21

Step-by-step explanation:

y-2y=7 (sub x=7 to the equation)

-y=7

y=-7 (not sure of its correct)

if y=-7,

x-2(-7)=7 (sub y=-7 into equation)

x-14=7

X=7+14

X=21

8 0

3 years ago