3 years ago

PLS SOLVE THIS QUESTION. The first one to get it right get's a brainliest.

Mathematics

1 answer:

Tanya [424]3 years ago

4 0

Answer:

-3

Step-by-step explanation:

You have get a graphing calculator and press y=.

Then you would type in the equation.

Then click second, graph after you type the equation.

Then scan through the t graph for the value that causes the equation to be 0

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Step-by-step explanation:

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2 years ago

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Tresset [83]

Answer:

30.25

Step-by-step explanation:

All angles of a line must add up to 180. Since we already know that one angle is 90 degrees, we know that the other angles should add up to 90 degrees in order for all of the angles to add up to 180 degrees:

(3x-7)+(x+8)=90

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2 years ago