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rosijanka [135]
3 years ago
8

A mirror with a parabolic cross section is used to collect sunlight on a pipe located at the focus of the mirror. The pipe is lo

cated 2 inches from the vertex of the mirror. Write an equation of the parabola that models the cross section of the mirror. Assume that the parabola opens upward.
Mathematics
1 answer:
prisoha [69]3 years ago
6 0

The answer is y= 1/8x^2, if you are using Connexus the answer is C.

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Find the distance between (1, 4) and (-2, 0)
Vanyuwa [196]

Answer:

\boxed {d = 5}

Step-by-step explanation:

Use the <u>Distance Formula</u> to help you determine the distance between two given points:

d = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}

First point: (x_{1}, y_{1})

Second Point: (x_{2}, y_{2})

-Apply the two given points onto the formula:

First point: (1, 4)

Second point: (-2, 0)

d = \sqrt{(-2 - 1)^{2} + (0 - 4)^{2}}

-Solve for the distance:

d = \sqrt{(-2 - 1)^{2} + (0 - 4)^{2}}

d = \sqrt{(-3)^{2} + (-4)^{2}}

d = \sqrt{9 + 16}

d = \sqrt{25}

\boxed {d = 5}

Therefore, the distance is 5.

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What is suface area of a cone with 16in radius and 38in hight?
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Answer:

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Step-by-step explanation:

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