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NISA [10]
3 years ago
15

The area of the rectangle is 50 yd2. What is the formula that shows the length of side y?

Mathematics
2 answers:
AVprozaik [17]3 years ago
7 0
Let L = lengthLet W = width Length is 5 yd less than twice the width  ==>  L = 2*W - 5 Area is 52 yd^2  ==>  52 = L*W Substitute the value for L from the 1st equation into the 2nd equation 
52 = (2*W - 5) * W52 = 2*W^2 - 5*W0 = 2*W^2 - 5*W - 52 0 = (2W - 13)*(W + 4) 2W - 13 = 0  or  W + 4 = 0W = 13/2      or  W = -4 Width cannot be negative so discard W = -4  W = 13/2  ==>  L = 2*(13/2) - 5 = 13 - 5 = 8  So the width is 13/2 yards and the length is 8 yards  Check:  2*(13/2) - 5 = 13 - 5 = 8             (13/2)*8 = 4*13 = 52 yd^2
saul85 [17]3 years ago
3 0

Answer:

Step-by-step explanation:10y=50

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================================================

Explanation:

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There are 26 letters in the English alphabet. Five of which are vowels, so there are 26-5 = 21 consonants.

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The ratio 21:5 cannot be reduced further since 21 and 5 have no factors in common (other than 1).

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The other ratios will follow a similar idea as mentioned in the previous section.

To get the ratio of vowels to total letters, we list the number of vowels first (5) follow by the number of letters (26). A colon separates the two numbers to form the ratio 5:26

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