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horrorfan [7]
3 years ago
10

PLEASE HELP timed exam pls

Mathematics
1 answer:
3241004551 [841]3 years ago
5 0

Answer:

helping hand help to write good

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The length of a rectangle is 3 centimeters less than four times its width. Its area is 10 square centimeters. Find the dimension
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Answer:

W = 2 cm

L = 5 cm

Step-by-step explanation:

A rectangle is a four sided shape with 4 perpendicular angles. It has two pairs of parallel sides which are equal in distance: width and length. Its area, the amount of space inside it, can be found using the formula A = l*w. If the area is 10 cm² and the length is "3 cm less than 4 times the width" or 4w - 3, you can substitute and solve for w.

A = l*w

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Subtract 10 from both sides to make the equation equal to 0. Then solve the quadratic by quadratic formula.

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There are two possible solutions which can be found.

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