Mathematics, 08.12.2020 01:10, kimilew
Brian is adding the lengths of wood posts that he has left from building a pen for his chickens.
A photo of chickens is shown.
The lengths are 323, 214, and 213. Brian began with 20 feet of wood.
Write and then evaluate a fraction expression to determine how much wood he used for the pen.
Enter the correct expression in the box.
2 of 2
Simplify inside the parentheses, and then subtract.
Expression: $$
He used
feet.
Answers: 1
Mathematics, 21.06.2019 15:30, ayoismeisalex
Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81
Answers: 3
Brian is adding the lengths of wood posts that he has left from building a pen for his chickens.
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