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kyleereeves2007
23.07.2019 •
Mathematics
Marcie wants to enclose her yard with a fence. her yard is in the shape of a rectangle attached to a triangle. the formula for the area of the enclosed space is a = lw + 0.5bh. solve for b.
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Ответ:
a = lw + 0.5bh
Let's start by flipping the equation
0.5bh + lw = a
Then add -lw to both sides
0.5bh + lw - lw = a - lw
0.5bh = -lw + a
Jesus Christ, we want to solve for b, but it is stuck between the other numbers.
So, to find the value for b, we need to divide both sides by 0.5h
0.5bh/0.5h = (-lw + a)/0.5h
b = (-lw + a)/0.5h
I hope this helps and pls let me know if you don't understand some steps :)
Best of luck!
Ответ:
2(x + 8) ≤ 4 is the way this inequality would be displayed.