frostlita
frostlita frostlita
  • 01-09-2021
  • Mathematics
contestada

PLEASE help answer these, thank you so much
I'll mark brainliest for best answers

PLEASE help answer these thank you so much Ill mark brainliest for best answers class=
PLEASE help answer these thank you so much Ill mark brainliest for best answers class=

Respuesta :

Аноним Аноним
  • 01-09-2021

Step-by-step explanation:

#1

6 × n + 15 = -42

6n + 15 = -42

6n = -42 - 15

6n = -57

n = -57/6

n = -19/3

#2

b + 3/2b + b + 45 + 2b - 5 + 90 = 540

b + 1.5b + b + 45 + 2b - 5 + 90 = 540

5.5b + 130 = 540

5.5b = 540 - 130

5.5b = 410

b = 410/5.5

b = 74.5

Angles are

b = 74.5

1.5(74.5) = 111.75

74.5 + 45 = 119.5

2(74.5) - 5 = 144

Answer Link

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