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3 years ago

Whats 2+2-1+4x4-12-7

Mathematics

2 answers:

Eduardwww [97]3 years ago

6 0

Answer:

is the answer 0

Step-by-step explanation:

natali 33 [55]3 years ago

3 0

Answer:

Step-by-step explanation:

2+2-1+4x4-12-7

4-1+4x4-12-7

3+4+4x4-12-7

7+4x4-12-7

11x4-12-7

44-12-7

32-7

hope help :) .^.

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Simplify -|-28| + (-5)^2

ExtremeBDS [4]

The answer is -3 because

-|28|= -28 now the problem looks like -28+(-5)^2

(-5)^2=25

-28 +25= -3

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3 years ago

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Y=-1/3x+2

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Slav-nsk [51]

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Step-by-step explanation:

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3 years ago

Find the GCD of 48,120

dexar [7]

Answer:

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3 years ago

Read 2 more answers

A sphere is inscribed in a cube with a surface area of 216 square centimeters. What is the volume of the sphere

pentagon [3]

Answer:

$V=298.5cm^3$

Step-by-step explanation:

To find the volume of the sphere we need to know its radius.

And the radius can be found with the information we have about the surface area.

The formula for the surface area is as follows:

$SA=4\pi r^2$

from this formula we clear the radius r:

$r^2=\frac{SA}{4\pi}\\ \\r=\sqrt{\frac{SA}{4\pi} }$

and we substitute the known value of the surface area, and also the value of $\pi$ :

$r=\sqrt{\frac{216cm^2}{4(3.1416)} }\\ \\r=\sqrt{\frac{216cm^2}{12.5664} }\\ \\r=\sqrt{17.1887cm^2}\\ \\r=4.146cm$

and now that we know the radius we find the volume:

$V=\frac{4\pi r^3}{3} \\\\V=\frac{4(3.1416)(4.146cm)^3}{3}\\ \\V=\frac{895.521cm^3}{3}\\ \\V=298.5cm^3$

the volume of the sphere is $298.5cm^3$

7 0

3 years ago