3 years ago

HELLO PLEASE HELP ME I WILL GIVE BRAINLIEST

Mathematics

1 answer:

Arturiano [62]3 years ago

6 0

I pretty sure it’s A

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Please help me with this

mrs_skeptik [129]

Answer:

the second one

Step-by-step explanation:

the second one is the right answer

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Find the volume of a sphere with surface area equal to 100π ft^2

Anni [7]

Answer:

$V=\frac{500}{3}\ \pi(ft^{3})$

Step-by-step explanation:

Hello.

to find the volume of a sphere we must know its radius,

we don't know the radius but we have the area

$A=4\pi r^{2} \\ \\isolating\ r\\\\A=4\pi r^{2}\\r=\sqrt{\frac{A}{4\pi } } \\r=\sqrt{\frac{100\ ft^{2} }{4\pi}} \\\\ r= \sqrt{25\ ft^{2} }\\ r=5\ ft\\$

Now, replacing this value in the volume equation

$V=\frac{4\pi r^{3} }{3} \\V=\frac{4\pi\ (5\ ft)^{3} }{3}\\ V=\frac{4\pi\ (125 ft^{3}) }{3}\\V=\frac{500}{3}\ \pi (ft^{3})\\\\\\$

have a great day

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dexar [7]

Answer.......... x = 4

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4 years ago

What is the slope of the line that passes through the points (-15,7) and (14,7)

gayaneshka [121]

The slope of the line that passes through the points (-15,7) and (14,7) is 0

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Which of the following graphs has x-intercepts of -1 and 2?

Vlad1618 [11]

Answer:

this graph has an x-intercept values of -1 and 2

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