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alisha [4.7K]
3 years ago
8

In Exercises 5-8, find the perimeter and area of the polygon with the given vertices.

Mathematics
1 answer:
castortr0y [4]3 years ago
4 0

Check the picture below.

as  we can see in the picture, the lengths for YZ and ZX are very straight, let's get the side YX

~~~~~~~~~~~~\textit{distance between 2 points} \\\\ Y(\stackrel{x_1}{0}~,~\stackrel{y_1}{-2})\qquad X(\stackrel{x_2}{2}~,~\stackrel{y_2}{4})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ YX=\sqrt{[2 - 0]^2 + [4 - (-2)]^2}\implies YX=\sqrt{2^2+(4+2)^2} \\\\\\ YX=\sqrt{4+6^2}\implies YX=\sqrt{40} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{\Large Perimeter}}{2~~+~~6~~+~~\sqrt{40}~~\approx~~14.32} ~\hfill \stackrel{\textit{\Large Area}}{\cfrac{1}{2}(2)(6)\implies 6}

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Round 3:38 to the nearest ten
aev [14]

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Step-by-step explanation:

Round 3.38 to the nearest ten

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3 years ago
a climber starts descending from 504 feet above sea level and keeps going until she gets to 40 feet below sea level, how may fee
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3 years ago
Simplify (3x+2)(x-7)
vovangra [49]
The answer is
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first you must multiply or use the FOIL method (First, Outer, Inner, Last)
First you multiply the first terms
(3x)(x)
this gives you 3x^2, then you multiple the outer terms
( - 7)(3x)
this gives you -21x, then you multiply the inner terms
(2)(x)
that gives you 2x, finally you multiply the last terms
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that gives you 14, now you combine like terms
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now you put all the terms together and end up with your solution
3 {x}^{2}  - 19x - 14

8 0
4 years ago
Read 2 more answers
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