4 years ago

PLEASE I need this fast

1 answer:

8 0

I love the word of GOD so much that I agree with jwgirly the answer to the question is true.                                         1
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Does anyone know where I can find answer keys for CPM Core Connections Course 3 (the eighth grade one) answers? Specifically for

jasenka [17]

Answer:

Yes of course! Now hurry and copy this link cause they will probably take this question down for putting it in. I hope that this helps!

Step-by-step explanation:

https://fliphtml5.com/itej/wqzy/basic/51-100

7 0

3 years ago

Read 2 more answers

The region under the curve with equation y = 1/(2x-1) is rotated through four right angles about the x-axis to form a solid. Fin

Vaselesa [24]

Using the disk method, the volume of the solid is

$\displaystyle \pi \int_3^8 \left(\dfrac1{2x-1}\right)^2 \, dx = \pi \int_3^8 \frac{dx}{(2x-1)^2}$

Substitute $u = 2x-1$ and $du=2\,dx$ .

$\displaystyle \pi \int_3^8 \frac{dx}{(2x-1)^2} = \frac\pi2 \int_5^{15} \frac{du}{u^2} \\\\ ~~~~~~~~ = -\frac\pi2 \frac1u \bigg|_5^{15} \\\\ ~~~~~~~~ = -\frac\pi2 \left(\frac1{15} - \frac15\right) = \boxed{\frac\pi{15}}$