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3 years ago

13

Need help quick ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

1 answer:

Monica [59]3 years ago

7 0

Answer:

The answer is C.

Step-by-step explanation:

Fist you take the letter that represents the TOTAL cost for the computer and the fee, which is the letter t. or (t = ........) then you take the price, or p and you make it (t = p), and lastly, you add the additional fee, which is 25 dollars. t = p + $25

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What is the probability that when a fair coin is flipped 25 times, there will be exactly five heads

kipiarov [429]

The probabability of this is 5/25

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Is 0 a real, imaginary, or complex number?

Sonja [21]

Answer: 0 is a imaginary number

Step-by-step explanation:

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3 years ago

What is the solution to this equation?<br> 9x - 4(x - 2) = x + 20

ioda

9x - 4(x - 2) =x + 20

We move all terms to the left:

9x -4(x - 2) - (x + 20) = 0

Multiply

9x - 4x -(x + 20) + 8 = 0

We get rid of the parentheses.

9x - 4x - x - 20 + 8 = 0

We add all the numbers and all the variables.

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2 years ago

Nastasia [14]

Answer:

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Step-by-step explanation:

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3 years ago

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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.

amm1812

Answer:

$V = \frac{8\pi}{3}$

Step-by-step explanation:

For this case we are interested on the region shaded on the figure attached.

And we can find the volume with the method of rings.

The area on this case is given by:

$A(x) = \pi [f(x)]^2 = \pi r^2 = \pi [3x]^2 = 9\pi x^2$

And the volume is given by the following formula:

$V= \int_{a}^b A(x) dx$

For our case our limits are x=0 and x=2 so we have this:

$V = \pi \int_{0}^{2} x^2 dx$

And if we solve the integral we got this:

$V= \pi [\frac{x^3}{3}]\Big|_0^{2}$

And after evaluate we got this:

$V=\pi [(\frac{8}{3} )-(\frac{0}{3} )]$

$V = \frac{8\pi}{3}$

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3 years ago