3 years ago

Find the value of x.

Mathematics

1 answer:

Firdavs [7]3 years ago

8 0

Step-by-step explanation:

DC is equal to 180°, so subtract 105 from 180.

180-105=75

180 is the total of the the angles when added together.

67°+75°=142

180-142=38

x=38

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Step-by-step explanation:

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Vsevolod [243]

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2 years ago

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Rainbow [258]

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3 years ago

Solve y=f(x) for x then find the input when the output is 6 <br><br> f(x)=x+9

r-ruslan [8.4K]

x = -3

So to figure this out we can readjust the equation to make it easier to solve

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From here we can just subtract 9 from both sides and we get our answer!

$x+(9-9) = (6-9)\\x = -3$

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