PLEASE HELP 99 POINTS!!!

Mathematics

2 answers:

TEA [102]4 years ago

5 0

Here, Angles under a straight line would be equal to 180
So, 70 + 60 + y = 180
130 + y = 180
y = 180 - 130
y = 50

Now, x = y [ As they are vertically opposite angles ]

In short, Your Answer would be 50

Hope this helps!

Dovator [93]4 years ago

3 0

Remember, only a pair of angles can be supplementary. Sure, the three angles in a triangle may add up to 180 degrees, but there are three angles in a triangle, so they are not supplementary!

So the answer is 50.

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A lot of you guys are big brain and have helped me out so I'm back with another question

hammer [34]

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3 years ago

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Solve for b in (y^-9)^b=y^45

ElenaW [278]

Y^-9 * b = y^45 Divide by y^-9
b = $\dfrac{y^{45}}{y^{-9}}$

The law of powers says that if you have the same base (y in this case) and two different powers that are divided, you can subtract the denominator from the numerator (in this case)

b = $y^{45- - 9} = y^{54}$