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2 years ago

14

A carton of paper is priced at $27.00 now. If the papergoes on sale for 25% off the current price, what will be the sale price o

f the carton?

1 answer:

Alenkinab [10]2 years ago

3 0

Divide the 27 by 4 and that will give you 6.75. Subract the 6.75 from the 27 and theres your answer (20.25) so the sale price is $20.25

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3 years ago

the surface area of a sphere is 1,017.36 square inches.what is the volume of the sphere? use 3.14 for pi

emmasim [6.3K]

Answer:

<em>Area = 254.34 inches ³</em>

Step-by-step explanation:

The formula to find the surface area of a sphere is:

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

To find the volume of the sphere, we first need to figure out the radius ( $r$ ) of the sphere. We can accomplish this by reversing the formula that was used to find the surface area. $(1017.36 in^{2})$

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$1017.36 = 4\pi r^{2}$

$324 = 4 r^{2}$

Divide both sides by 4.

$324 = 4 r^{2}$

$81 = r^{2}\\$

Find the square root of both sides.

$81 = r^{2}\\$

$\sqrt{81} = r$

<em>radius = 9</em>

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Insert the value of the radius into the formula for finding the volume of a sphere. $(A=\pi r^{2})$

$(A=\pi r^{2})$

$A=\pi (9)^{2}$

$A=\pi (81)$

$A = 254.34$

<em>Area = 254.34 inches ³</em>

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~Hope this helps!~

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3 years ago

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3 years ago

Read 2 more answers

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Serga [27]

20-2.3=17.7 what don't you understand?

<span>20-2= 18 </span>

<span>18-.3=17.7
</span><span>its reasonable because if you do the calculation, 17.7 is the answer
</span>HOPE HELPED:D
this is 5th grade,lol

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3 years ago

Karen collects 6/7 quart of rainwater. She uses 1/2 of the water to clean her bicycle and uses the remaining water equally for 3

quester [9]

Water collected - 6/7
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2 years ago