Answer:
y = 47
Step-by-step explanation:
All of the angles in a triangle must add up to 180. The angle marked 3y can help us find the missing angle of the triangle: 180-3y
Then you can make an equation to help solve for y:
50 + (2y-3) + (180-3y) = 180
Combine like terms:
227-y=180
y = 47
Answer:
2/5=0.4h
Step-by-step explanation:
Use V=X/t
t=X/V
=50/125=2/5=0.4h
Answer:
75%
Step-by-step explanation:
9 ÷ 12 = 0.75
0.75 x 100 = 75 = 75%
Answer:
58
Step-by-step explanation:
9*a=63-b=58
because a=7 and b=5
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