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4 years ago

I just need help on learning how to do ten and eleven thank you!

Mathematics

2 answers:

Mars2501 [29]4 years ago

6 0

11.2x+x+(x+8)=180
Combine like terms
3x+(x+8)=180
4x+8=180
180-8=172
4x=172
x=43

12.(x-3)+x+(x+8)+(x-5)=360
Combine like terms
4x-3+8-5=360
-3+8=5
5-5=0
4x=360
x=90

madreJ [45]4 years ago

4 0

Why is this in the college section?

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To find the equation, we need to insert the points (x,y) in the calculator.

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2 years ago

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3 years ago

\angle B=∠B=angle, B, equals ^\circ ∘ degrees Round your answer to the nearest hundredth.

Irina18 [472]

Answer:

<B is 53.13degrees

Step-by-step explanation:

Find the diagram attached

Given

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Required

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Hence the angle <B is 53.13degrees based on the diagram

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3 years ago

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Step-by-step explanation:

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