3 years ago

I NEED HELP ASAP DUE IN 3 MINUTES WHOEVER ANSWERS IT RIGHT GETS BRIANIST

Mathematics

1 answer:

Damm [24]3 years ago

8 0

Answer:

It is D.

Step-by-step explanation:

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3 over 8 plus 2 over 3 plus 1 over 3

wariber [46]

3 over 8 plus 2 over 3 plus 1 over 3 = 11 over 8 or 1.375

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3 years ago

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Find the volume of the solid generated when R (shaded region) is revolved about the given line. x=6−3sec y, x=6, y= π 3, and

Dmitrij [34]

Answer:

$V=9\pi\sqrt{3}$

Step-by-step explanation:

In order to solve this problem we must start by graphing the given function and finding the differential area we will use to set our integral up. (See attached picture).

The formula we will use for this problem is the following:

$V=\int\limits^b_a {\pi r^{2}} \, dy$

where:

$r=6-(6-3 sec(y))$

$r=3 sec(y)$

a=0

$b=\frac{\pi}{3}$

so the volume becomes:

$V=\int\limits^\frac{\pi}{3}_0 {\pi (3 sec(y))^{2}} \, dy$

This can be simplified to:

$V=\int\limits^\frac{\pi}{3}_0 {9\pi sec^{2}(y)} \, dy$

and the integral can be rewritten like this:

$V=9\pi\int\limits^\frac{\pi}{3}_0 {sec^{2}(y)} \, dy$

which is a standard integral so we solve it to:

$V=9\pi[tan y]\limits^\frac{\pi}{3}_0$

so we get:

$V=9\pi[tan \frac{\pi}{3} - tan 0]$

which yields:

$V=9\pi\sqrt{3}$ ]

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3 years ago

Fator the following problem x^2+12x+36

Mekhanik [1.2K]

Answer:

(x-6)^2

Step-by-step explanation:

Hope this helped

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2 years ago

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Are 5(2x-y) and 15x-5y equivalent expressions?

krek1111 [17]

No, they are not equivalent.

5(2x - y) = 10x - 5y and it is not equal to 15x - 5y.

(using distribution property)

6 0

3 years ago

WHOEVER ANWSERS THIS GETS 5 BUCKS PLZZZZZZZZ

Nostrana [21]

Lol I don’t understand that language

8 0

3 years ago