jazzygirl12350 jazzygirl12350

20-04-2021
Mathematics

contestada

B
6x+7
3x+c
2x-1

What is the value of c in degrees

B 6x7 3xc 2x1 What is the value of c in degrees class=

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Аноним Аноним

20-04-2021

Answer:

1.x=15

2.<A=29

Step-by-step explanation:

(2x-1)+(3x+9)+(6x+7)=180

2x-1+3x+9+6x+7=180

11x+15=180

11x=180-15

11x=165

x=165/11

x=15

2.<A=2x-1

<A=2*15-1

<A=30-1

<A=29

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