2 years ago

Please help and provide instruction

Mathematics

1 answer:

Ket [755]2 years ago

4 0

Answer:

-12 -4x^2

Step-by-step explanation:

f(x) = -6 -2x^2

We want to find 2f(x) so multiply each term by 2

2f(x) = 2 ( -6 -2x^2)

Distribute

= -12 -4x^2

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Elodia [21]

Answer:

The area of the resulting cross section is $78.5\ m^{2}$

Step-by-step explanation:

we know that

The resulting cross section is a circle congruent with the circle of the base of cylinder

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$A=\pi r^{2}$

we have

$\pi=3.14$

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substitute the values

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