Which of the following best describes a cylinder?

1 answer:

alexandr1967 [171]3 years ago

5 0

Hey there!

The shape being described in letter A is a prism. A prism has two polygonal shapes on either end that can be any shape consisting of three or more sides. This won't be your answer, since cylinders have circular bases on either side.

The shape being described in letter B is a cylinder. Not sure why they needed to throw in the plane part, but this is the only answer that describes the bases as being circular (or, as they put it, discs).

The shape being described in letter C is a pyramid. If a shape has a polygonal base and meets at a point at the other end, it will be a pyramid. Obviously, a pyramid only has one end, meaning that this isn't your answer.

The shape being described in letter D is a cone. Again, if a shape has a base and meets at a point, it will be a pyramid. However, in the case of a cone, the base will be circular and the other side will meet at a point. The entire shape will be rounded where a pyramid would have edges. Again, not your answer.

Your answer will be B. Hope this helped you out! :-)

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Simplify (y + 1)^5y + 1)^3

kondor19780726 [428]

Note: Your expression sounds a little unclear, so I am assuming your expression is

$\left(y\:+\:1\right)^5\times \left(y\:+\:1\right)^3$

But, the procedure to solve the expressions involving exponents remains the same, so whatever the expression is, you may be able to get your concept clear.

In the end, I will solve both expressions.

Answer:

Please check the explanation

Step-by-step explanation:

Given the expression

$\left(y\:+\:1\right)^5\times \left(y\:+\:1\right)^3$

solving the expression

$\left(y\:+\:1\right)^5\times \left(y\:+\:1\right)^3$

$\mathrm{Apply\:exponent\:rule}:\quad \:a^b\times \:a^c=a^{b+c}$