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yulyashka [42]
3 years ago
12

What is m∠A ? Please see attachment (The Triangle Sum Theorem)

Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0

x + (3x+13) +(x-8) =180

5x +5 = 180

x = 175 /5 = 35

Angle A = 3(35)+13 = 118 degrees

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What happens to the value of the expression 80-2r as r decreases?
Ghella [55]

Answer:The value of the expression increases as r decreases.

Step-by-step explanation:

To find : What happens to the value of the expression as r decreases?

Given Expression: 80-2r

We check for different value of r as decreasing order,

r        80-2r

5        80-10=70

4        80-8=72

3        80-6=74

2        80-4=76

1         80-2=78

As r decreases the value of expression increases.

Therefore, the value of the expression increases as r decreases.

Hope this helps!

8 0
3 years ago
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inysia [295]
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If the base of an isosceles triangle measures 29 degrees what is the measure of the other base angle
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Hope this helped! :)
8 0
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