Quick!!.

Mathematics

2 answers:

elena-14-01-66 [18.8K]3 years ago

5 0

2 x 1/4 is the same as 1/4 + 1/4

Bad White [126]3 years ago

4 0

When you multiply something, you are adding one value the amount of the other value, meaning if you have 4*x, it is equal to x+x+x+x. Using this, we can determine that 2*(1/4) is equal to (1/4)+(1/4), or answer choice A.

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Elena-2011 [213]

Answer:

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Step-by-step explanation:

5 0

3 years ago

Which of the following is the surface area of the right cylinder below?

Snowcat [4.5K]

Answer: Option A.

Step-by-step explanation:

You need to use this formula for calculate the surface area of the right cylinder:

$SA=2\pi r^2+2\pi rh$

Where "r" is the radius and "h" is the height.

You can identify in the figure that:

$r=8units\\h=3units$

Knowing this, you can substitute these values into the formula $SA=2\pi r^2+2\pi rh$ , therefore you get that the surface area of this right cylinder is:

$SA=2\pi (8units)^2+2\pi (8units)(3units)$