3 years ago

Zoe had a board 5 1/4 feet long she cut off a piece now the board is 3 5/6 feet long how long was the piece she cut off

Mathematics

1 answer:

uysha [10]3 years ago

7 0

Least common denominator is 24

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A farmer wants to enclose a rectangular field that borders a river with 400 feet of fencing material. if the farmer does not fen

ICE Princess25 [194]

Let each side perpendicular to the river be "x".Then the side parallel to the river is "400-2x".
The formula for Area = width*length
A(x) = x(400-2x)
A(x) = 400x - 2x^2
You have a quadratic with a = -2 and b = 400
Maximum Area occurs where x = -b/2a = -400/(2*-2) = 100 ft. (width)
length = 400-2x = 400-2*100 = 200 ft (length)

3 0

3 years ago

What is the distance between (12.-7) and (-3, -7)?

vitfil [10]

Step-by-step explanation:

distance between (12.-7) and (-3, -7)

$\sqrt{ {(12 + 3)}^{2} + {0}^{2} }$