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Mathematics

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Solve for a. Round to the nearest tenth, if necessary.

Solve for a. Round to the nearest tenth, if necessary. class=

Answer :

Today at 4:17 AM

Answer:

Step-by-step explanation:

tanx=12/18

x=arctan(12/18)

tan(90-x)=12/(a+5)

tan(90-arctan(12/18)=12/(a+5)

a+5=12/tan(90-arctan(12/18))

a=12/tan(90-arctan(12/18))-5

a=3

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