4 years ago

How are the commutative property of addition and the commutative property of multiplication alike

Mathematics

1 answer:

erastova [34]4 years ago

5 0

They both use number

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The table shows the yearly earnings, in thousands of dollars, over a 10-year period for college graduates. Which statement is tr

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Its B i just got it right

Step-by-step explanation:

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Find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

kherson [118]

Answer:

$=\frac{364\pi}{3}$ cubic units

Step-by-step explanation:

We are to find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

f(x)=2x+1, y=0, x=0, x=4.

The picture is given as shaded region.

This is rotated about x axis

Limits for x are already given as 0 and 4

f(x) is a straight line

The solid formed would be a cone

Volume = $\pi \int\limits^a_b {(2x+1)^2} \, dx \\= \pi \int\limits^4_0 {(4x^2+4x+1)} \, dx \\=\pi [\frac{4x^3}{3} +2x^2+x]^5_0\\\\=\pi[\frac{4*4^3}{3}+2*4^2+4-0]\\=\frac{364\pi}{3}$

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3 years ago

(^5sqrt x^7)^3 show step by step how to do it

Sergio [31]

Perhaps you meant [(√(x^7))^(1/5)]^3

The fifth root of the square root of x to the seventh cubed?

√(x^7)=(x^7)^(1/2)=x^(7/2)

(x^(7/2))^(1/5)=x^(7/10)

(x^(7/10))^3

x^(21/10)

Sorry I did my best to decipher what you wanted to express.

In general:

(a^b)^c=a^(b*c) just work from the inside to the outside...

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