3 years ago

Angle A is 5x-15. Angle B is 2x+21. Solve for x then find the measure for Angle B

Mathematics

1 answer:

Komok [63]3 years ago

3 0

Are A and B supplementary or complementary

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The sum of two numbers is 30. the first number is 1/5 of the second number. what are the numbers?

bonufazy [111]

Same question
x+y=30
x is 1/5 of y
x=y/5
subsitute
y/5+y=30
multily both sidse by 5
y+5y=150
add
6y=150
divide both sides by 6
y=25
subsitute
x=y/5
x=25/5
x=5
the numbers are 5 and 25

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Fittoniya [83]

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Did you mean mongol?
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