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19-04-2021
Mathematics

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Solve for x. Round your answer to the nearest tenth." X 42 15

Plz gelp

Solve for x Round your answer to the nearest tenth X 42 15 Plz gelp class=

Respuesta :

19-04-2021

it should be x=11.1

law of cosines
adjacent/hypotenuse
x adjacent/15 hypotenuse

cos(42)=x/15

cross multiply to get x by itself

x=cos(42)*15

x=11.147
x=11.1

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