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Andrej [43]
3 years ago
11

The sum of four times a number and one is equal to the difference of twice the number and 9

Mathematics
1 answer:
andrezito [222]3 years ago
3 0

(4n+1)=(2n-9)

the sum of four times a number and one is equal to the difference of twice the number and 9

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A rectangular park is 50 meters wide and 90 meters long. Give the length and width of another rectangular park that has the same
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Answer:

l = 100\,m and w = 40\,m

Step-by-step explanation:

The formulas for the area and perimeter of a rectangle are, respectively:

A = w\cdot l

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Then, equations are now described:

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Likewise, the equation of area is simplified afterwards:

A = (140\,m - l)\cdot l

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