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26-08-2021
Mathematics

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I need some help on 9 and 10

I need some help on 9 and 10 class=

Respuesta :

elvisgodstime86 elvisgodstime86

26-08-2021

Answer:

question 9

92/11 or 8.36

Step-by-step explanation:

angle on straight line is 180

:. 10x+1 + 12x-5 = 180

collect like terms

10x+12x = 180+5-1

22x = 184

divide both sides by the coefficient of x

22x/22 = 180/22

:. x = 180/22(to d lowest form= 92/11)

or 8.36

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