3 years ago

Can I get some help? I don’t understand this :/

1 answer:

4 0

Together they equal 90 degrees.
Equation:
(0.1x - 22) + (0.3x - 54) = 90
Open parenthesis and simplify:
0.4x -76 = 90
0.4x = 166
DIvide:
Your final answer is x= 415
Hope this helps!

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Answer:

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Step-by-step explanation:

Given the system of the equations

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solving the system of the equations

$\begin{bmatrix}x+y=4\\ x-y=2\end{bmatrix}$

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$\mathrm{For\:}x+y=4\mathrm{\:plug\:in\:}y=1$

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