The absolute value of 18

1 answer:

6 0

The absolute value of 18 is 18. In order to find an absolute value, you take the positive value of whatever the number may be. So the absolute value of 9 and -9 would both still be 9.

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Step-by-step explanation:

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The formula for the volume of a sphere is the following:

$V= \dfrac{4}{3} \pi r^3$

Plug in V=5000π and solve for the radius.

$5000 \pi = \dfrac{4}{3} \pi r^3$

Divide both sides by $\pi$

$5000 = \dfrac{4}{3} r^3$

Multiply both sides by 3/4 (to eliminate the 4/3 on the right side)
Also, flip the equation so we have the unknown variable on the left side (math etiquette).

$r^3=3750$

Take the cube root of both sides

$r \approx 15.5$

Now, calculate the surface area since now we know the radius.
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$S=4 \pi r^2$

Plug in r=15.5

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The second choice is your answer.

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3 years ago

keisha drove 380 miles using 14 gallond of gas. At this rate, how many gallons of gas would she need to drive 418 miles?

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14gallons=380miles

14/380=0.03684210526gallons/mile

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or you could cross multiply

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Step-by-step explanation:

Multiply all of the numbers together

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