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3 years ago

Given f(x)=-x-5, solve for x when f(x)=-6

Mathematics

2 answers:

Deffense [45]3 years ago

8 0

Answer:

f(x) = 1

Step-by-step explanation:

f(x) = -x-5

f(-6) = -(-6)-5 = 6-5 = 1

aev [14]3 years ago

8 0

F(x) 1 it’s the answer lmk if it’s correct

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M 2 = 2x°, m 3 = 5x°, m 1 =<br><br> 2x + 5x<br> 5x - 2x<br> 180 - 5x<br> 180 - 7x

MaRussiya [10]

We know: the sum of measures of triangle angles is 180°.

Therefore we have the equation

$m\angle1+m\angle2+m\angle3=180^o\to m\angle1=180^o-m\angle2-m\angle3$

Substitute $m\angle2=2x,\ m\angle3=5x$ :

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3 years ago