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Bad White [126]
3 years ago
13

BRAINLIEST ASAP! PLEASE HELP ME :)

Mathematics
1 answer:
vitfil [10]3 years ago
3 0

Answer:

\large \boxed{69^{\circ}}

Step-by-step explanation:  

                  Let y = m∠Y.

       Then 90 - y = the complement of ∠Y

     And 3(90 - y) = three times the complement of ∠Y

And 3(90 - y) + 6 = six more than three times the complement of ∠Y.

\begin{array}{rcll}y & = & 3(90 - y) + 6 & \\& = & 270 - 3y + 6 & \text{Distribuetd the 3}\\& = & 276 - 3y & \text{Simplified}\\4y &= & 276 & \text{Added 3y to each side}\\y & = & \mathbf{69} & \text{Divided each side by 4}\\\end{array}\\m \angle Y = \large \boxed{\mathbf{69^{\circ}}}

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