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kondaur [170]
3 years ago
15

Can someone help. I’m having trouble with the equation part

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0

Answer:

(x+3) x+7 is the answer for the first question if it's the same way my school does it. Whatever you put in parentheses is the opposite of what you think. + is going to the left. - is going to the right but those only apply when in parentheses.

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18+6/-4-16 HELP only d part​
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Answer:

\frac{1}{2} is the answer

Step-by-step explanation:

First we need to substitute X and Y with their respective numbers

3\cdot \:6+\frac{6}{-4}-\left(-4\right)^2

Then, following PEMDAS, We just need to simplify

18+\frac{6}{-4} -16

16.5-16=0.5=\frac{1}{2}

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m\angle CBD=(180-140)^\circ=40^\circ

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