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N76 [4]
2 years ago
6

PLEASE HELP ME!!! TIMED TEST!!! WILL REPORT IF YOU GIVE A LINK!!!

Mathematics
2 answers:
tankabanditka [31]2 years ago
6 0

what the other guy said

Genrish500 [490]2 years ago
3 0
120+95+60+x=360
because the whole pentagon is 360°
therefore answer will be
275+x=360
-275 -275
x=85
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Which are solutions of the equation x2 – 16 = 0? Check all that apply.
san4es73 [151]

Answer:

x=-4

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Step-by-step explanation:

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lisov135 [29]

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2 years ago
the length of a rectangular patio is 8 feet less than twice its width. the area of the patio is 280 square feet. find the dimens
jolli1 [7]

Answer:

The length of the rectangle 'l' = 20

The width of the rectangle 'w' = 14

Step-by-step explanation:

<u>Explanation</u>:-

Let 'x' be the width

Given data the length of a rectangular patio is 8 feet less than twice its width

2x-8 = length

The area of rectangle = length X width

Given area of rectangle = 280 square feet

x(2x-8) = 280

2(x)(x-4) =280

x(x-4) =140

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x^2-14x+10x-140=0

x(x-14)+10(x-14)=0

(x+10)(x-14) =0

x = -10 and x = 14

we can choose only x =14

The width of the rectangle 14

The length of the rectangle 2x-8 = 2(14)-8 = 28 -8 =20

The length of the rectangle 'l' = 20

The width of the rectangle 'w' = 14

6 0
3 years ago
What is the equation of the line, in standard form, that passes through (4, -3) and is parallel to the line whose equation is 4
Dmitry_Shevchenko [17]
   
<span>The equation is:   4x + y + a = 0

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</span>⇒ 4 · 4 - 3 + a = 0
<span>
16 - 3 +a = 0

13 + a = 0

a = -13

</span>Ansver:   equation is:   4x + y - 13 = <span>0     OR     4x + y = 13
</span>


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lukranit [14]
192 in US fluid ounces
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