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Musya8 [376]
3 years ago
9

Which of the following expressions can be used to find the perimeter of a rectangle?

Mathematics
1 answer:
morpeh [17]3 years ago
5 0

Answer:

2l + 2w. l+l+w+w. l+l+2w. 2(l+w)

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A parabola has a vertex at (4, 0) and passes through the point (6, 1). Which of the following is the equation of this parabola i
Doss [256]
Easy

y=a(x-h)^2+k
vertex is (h,k)
we know that vertex is (4,0)
input that point for (h,k)
y=a(x-4)^2+0
y=a(x-4)^2
passes thorugh the point (6,1)
input that point to find a
1=a(6-4)^2
1=a(2)^2
1=a(4)
divide both sides by 4
1/4=a

thefor the equation is
y=(1/4)(x-4)^2
or
y=(1/4)x^2-2x+4
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3 years ago
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Answer:

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