Answer:
24
Step-by-step explanation:
So basically just do 112 divided by 4 to find the length of each side. Then from there minus that one side by 4 to get what you need x to be to be the length of the one side. One side is 28. Also...
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For this case we must solve the following equation:
Applying distributive property to the terms within the parenthesis we have:
Adding 21 to both sides of the equation:
Dividing between 3 on both sides of the equation:
Answer:
<span>The process by which lithospheric plates move apart creating spaces that are filled with hot magma is called seafloor spreading.</span>
Answer:
x=2 x=-2
Step-by-step explanation:
x² + 2x - 4 = 2x
Subtract 2x from each side
x² + 2x-2x - 4 = 2x-2x
x^2 -4 = 0
Factor
We know this is the difference of squares
(x-2)(x+2) =0
Using the zero product property
x-2 =0 x+2 =0
x=2 x=-2