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2 years ago

What is the Surface area of a cylinder with a radius of 5in and height of 4in

Mathematics

1 answer:

9966 [12]2 years ago

3 0

Answer:

282.74in 2

Step-by-step explanation:

r Radius = 5in

h Height = 4in

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Idk how to solve 0=4+n over 5

miv72 [106K]

<span> 0=4+n over 5
In number form the equation is
</span> $0= \frac{4+n}5}$

<span>We want to isolate n, so to undue division we multiply, we'll multiply each side by 5 Leaving the equation as
</span> $0=20+n$
<span>
Next we'll subtract 20 from each side to isolate n
The equation would now be
</span> $-20=n$
<span>
So the answer is N=-20

</span>

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3 years ago

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3 years ago

Ifp * (x) = 3x ^ 2 - 4 and r(x) = 2x ^ 2 - 5x + 1 . find value r(x + 2)

valina [46]

Answer:

Step-by-step explanation:

$r(x) = 2x ^ 2 - 5x +1\\\\ r(x+2) = 2(x+2)^ 2 - 5(x+2) +1\\\\ r(x+2) = 2(x^2+4x+4) - 5x-10+1\\\\ r(x+2) = 2x^2+8x+8 - 5x-9\\\\ r(x+2) = 2x^2+3x-1$

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2 years ago

Which statement is correct?

Alenkinab [10]

Answer:

The domain of the graph is all real numbers less than or equal to 0.

Hope this helps! :D

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2 years ago

Find the inverse of the linear function y=1/2x+3.

Anni [7]

Answer:

2(x-3) = y

Step-by-step explanation:

y = 1/2 x +3

To find the inverse, exchange x and y and then solve for y

Exchange x and y

x = 1/2y +3

Then solve for 3

Subtract 3 from each side

x-3 = 1/2 y -3+3

x-3 = 1/2 y

Multiply each side by 2

2 (x-3) = 1/2 *2 y

2(x-3) = y

This is the inverse

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3 years ago

Read 2 more answers