3 years ago

Solve the equation M-4=2m

Mathematics

1 answer:

NemiM [27]3 years ago

4 0

Answer:

m=-4

m-4=2m

m-2m=4 combine like terms

-m=4 change the signs on both sides of the equation

m=-4

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#12 with explanation please

4vir4ik [10]

Answer:

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Step-by-step explanation:

Given vertices WXYZ:

W(-4,5), X(2,4), Y(3, -4), Z(-1, -6)

Perimeter is the sum of the side length.

Use distance formula to find each side:

WX = $\sqrt{(2+4)^2+(4-5)^2} =\sqrt{37}$ ≈ 6.08
XY = $\sqrt{(3-2)^2+(-4-4)^2} =\sqrt{65}$ ≈ 8.06
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WZ = $\sqrt{(-1+4)^2+(-6-5)^2} =\sqrt{130}$ $\sqrt{(-1+4)^2+(-6-5)^2}=\sqrt{130}$ ≈ 11.40

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