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beks73 [17]
3 years ago
14

A rectangular piece of cardboard is a = 11 in. longer than it is wide. squares 2 in. on a side are to be cut from each corner an

d then the sides folded up to make an open box with a volume of 84 in3. find the length and width of the piece of cardboard.
Mathematics
1 answer:
ipn [44]3 years ago
3 0
<span>A rectangular piece of cardboard is 2 units longer than it is wide. From each of its corners a square piece 2 units on a side is cut out. The flaps are then turned up to form an open box that has a volume of 70 cubic units. Find the length and width of the original piece of cardboard. </span>
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Answer:

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Step-by-step explanation:

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In parallelogram ABCD , BE=7x−2 and ED=x2−10 .
Stells [14]

I'm assuming that the diagonals intersect at E. Since diagonals of a parallelogram bisect each other, BE=ED.

  • 7x-2=x²-10
  • x²-7x-8=0
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As distance must be positive, we reject the negative case, so x=8.

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2 years ago
Geometry math question no Guessing and Please show work thank you
vesna_86 [32]

First let us find the length of JN

JN =JK +KN

JN = 82+105 = 187

JN=187..............(1)

UC= JN -( JH +HU+CN)

We are given :

JH= 22, HU = 96 and CN = 51

plugging all the values we get

UC = 187-( 22+96+51)

UC =187 -169

UC = 18

Answer is UC =18 ( option B)

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Answer:

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Step-by-step explanation:

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