3 years ago

If a meteor hits the Earth and forms a crater that measures 10 miles in diameter, what is the area of the crater formed?

Mathematics

1 answer:

Alex_Xolod [135]3 years ago

4 0

Area= π • r^2

Diameter= 10 ÷ 2
Radius= 5

Area= π • 5^2
Area= 25π

Answer is Area= 25π

or 25 • π = 78.54= Area

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kkurt [141]

Answer:

A. $=(9x-12)^2$

Step-by-step explanation:

We need to determine whether the polynomial $81x^2-216x+144$ can be factored into perfect squares. If so, factor the polynomial. Otherwise, select that it cannot be factored into a perfect square.

$81x^2-216x+144$

$=9(9x^2-24x+12)$

$=9(9x^2-12x-12x+12)$

$=9(3x(3x-4)-4(3x-4))$

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$=(9x-12)^2$

Hence choice A. $=(9x-12)^2$ is correct.

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Marat540 [252]

Step-by-step explanation:

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Drupady [299]

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Answer:

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