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Yakvenalex [24]
4 years ago
14

A + b + c = 180 b = 3a c = 5a Whats B

Mathematics
2 answers:
NikAS [45]4 years ago
4 0
Sub

b=3a so put 3a for every b
c=5a so put 5a for every c
a+3a+5a=180
9a=180
divide 9 both sides
a=20

b=3a
b=3(20)
b=60
icang [17]4 years ago
3 0
Plug 3a for b and 5a for c

a + 3a + 5a = 180

9a = 180

a = 20

b = 3 x a = 3 x 20

b = 60
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Answer:

It would look like the picture I attached at the bottom.

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We know that the slope is -3 and the y intercept is (0,4) (plugging in 0 for x will get you that point), and then you can just graph an equation like you normally would, using rise/run to go down 3 units for every one unit you go right, and plugging in easy x values to check your work.

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3 years ago
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Answer:

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The length of the guy wire represents the hypotenuse of the right angle triangle.

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4 years ago
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