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3 years ago

Hey there, I really need help! I don't understand how to solve this. PLEASE HELP ME!!

Mathematics

1 answer:

Naily [24]3 years ago

7 0

Answer:

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.

hichkok12 [17]

Answer:

$2\pi(e^2-e^{-4})$

Step-by-step explanation:

We are given: $f(x)=2e^x$

So, the integral will be used to calculate the volume.

$V = \pi\int\limits^1_{-2}(2e^x)^2dx=\pi\int\limits^1_{-2}4e^{2x}dx=2\pi e^{2x}|^1_{-2} =2\pi(e^2-e^{-4})$

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3 years ago

The Box-and-Whisker Plot shown displays the number of daily text messages sent to a television channel regarding a political iss

lisabon 2012 [21]

D.99
that is the highest number you are putting on the thing

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3 years ago

PLEASE HELP ME ASAP??!!

earnstyle [38]

It says that there was an error with my answer, but I don't know what, so I screenshotted what I typed and attached them as 4 images below:

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3 years ago

CA Geometry A Illuminate Credit 4 FF.pdf<br> all 4 pls

lions [1.4K]

Answer:

1) HL=LJ=63

(ZJ)²=16²+63²

(ZJ)²=256+3969

ZJ=√4425

ZJ= 65

2)HJ=HL+LJ

= 63+63

HJ=126

3) XC=XA=8

4) BE=AB/2=20/2=10

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3 years ago

Which operation is not used in the phrase twice a number decreased by 4, divided by 8

drek231 [11]

Answer:

Step-by-step explanation:

twice a number .....multiplication

decreased by 4.....subtraction

divided by 8.....division

addition is missing <====

although, twice a number could also be addition.....but I have never used it for addition

lets say ur number is 4.......twice the number 4 could be : 2 * 4 or 4 + 4

4 0

3 years ago

Read 2 more answers