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yuradex [85]
3 years ago
15

HELPPPPP!!!!!!!!

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0
The circumcenter of a triangle is the point in the plane equidistant from the three vertices of the triangle. so I believe it is A. True..
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Simplify the expression ×2+×(×-5)-×+7
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X^2 + x(x - 5) - x + 7
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Convert 13/8 to a mixed number
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Given:
13/8

First you have to see how many times 8 can go into the number 13. If you look, 8 can only go into 13 one time, leaving 5 left over.
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Since there is 5 left over from 8, you would then place it into the numerator place to get:
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3 years ago
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HELP
Lisa [10]

Equations A may be used to determine the lighthouse's height. The best choice is A.

<h3>What is the triangle?</h3>

A triangle is a three-sided polygon. It is one of the most fundamental geometric forms.

Given;

(d) 115 meters separate the boat from the lighthouse.

42" is the angle of elevation.

Height is h

Apply the tangent formula in the obtained triangle;

\rm tanx^0= \rm \frac{y}{115} \\\\ tan 42''=\frac{y}{115}

The calculations will determine the lighthouse's height as;

\rm tan 42''=\frac{y}{115}

Hence the best choice is A.

To learn more about the triangle, refer to:

brainly.com/question/2773823

#SPJ1

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