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lozanna [386]
3 years ago
12

Solve fro the Equation below: 7+2(x-3)=-3(x+1)-4

Mathematics
1 answer:
tester [92]3 years ago
4 0
7 + 2x - 6 = -3x - 3 - 4
2x + 1 = -3x - 3 - 4
2x + 1 = -3x - 7
2x + 1 + 3x = -7
5x + 1 = -7
5x = -7 - 1
5x = -8
x = -8/5.
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Triangle XYZ, XY= 80, ZY= 64 XZ= 48 what is the cosine
SVETLANKA909090 [29]

Answer:

cos=\frac{4}{5}

Step-by-step explanation:

Cosine is the adjacent side over the hypotenuse (You can remember sin, cos, and tan by using sohcahtoa or sin = opposite/hypotenuse, cos = adjacent/hypotenuse, tan = opposite over adjacent). I think a picture would help, too.

I attached a picture of what I think the triangle would look like.

If the picture is right (we're assuming it is) and going with what we're given (the triangle was addressed as triangle XYZ, meaning that <u>angle Y is in the middle and that's the one we'll use</u>).

Looking at my picture then:

cos=\frac{64}{80} \\cos=\frac{8}{10} \\cos=\frac{4}{5} .

6 0
4 years ago
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lesya [120]

Answer:

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Step-by-step explanation:

6 0
3 years ago
If 16+4x is 10 more than 14, what is the value of 8x?
sattari [20]
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16 + 4x = 24.

4x = 24 - 16

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x = 8 ÷ 4

x = 2

8x = 2 × 8

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3 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
lianna [129]

Answer:  1.61

==================================================

Work Shown:

tan(angle) = opposite/adjacent

tan(J) = IK/IJ

tan(J) = 45/28

tan(J) = 1.60714 approximately

tan(J) = 1.61

6 0
3 years ago
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Ivanshal [37]

Answer:

36pi

Step-by-step explanation:

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in this case r = 3

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27 x 4/3 = 36

36\pi is the answer

4 0
3 years ago
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