Seudónimo Seudónimo

12-04-2021
Mathematics

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I need help on this math problem

I need help on this math problem class=

Respuesta :

mathstudent55 mathstudent55

22-04-2021

Answer:

B, C, D

Step-by-step explanation:

7x + 1 + 105 = 180

7x = 74

x = 74/7

4y + 14 + 7y + 1 = 180

11y = 165

y = 15

m<A = 4y + 14 = 4(15) + 14 = 74°

m<B = 7x + 1 = 7(74/7) + 1 = 75°

m<C = 7y + 1 = 7(15) + 1 = 106°

Answer: B, C, D

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