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mamaluj [8]
3 years ago
7

Can you help me with attached 3,5,7,and 9. .......30 points. Plz answer ASAP. Show work

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0
3) a^2+b^2=c^2
10^2+b^2=26^2
100+b^2=676
100-100+b^2=676-100
b^2=576
√b^2=√576
b=24
The rest are in the picture.
Pardon me please. My writing may look sloppy because I'm on bus

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What is the solution to this system of equations?<br> x = 12 − y<br> 2x + 3y = 29
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Let’s arrange the fist equation
x+y=12
2x+3y=29

Multiply equation 1 by 2
So it will be

2x+2y=24

Subtract eq 1 from eq 2

2x+3y=29
2x+2y=24
—————-
Y =5

Put value of y in eq 1

2x+2y=24
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