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dedylja [7]
3 years ago
6

Given the formula for the perimeter of a rectangle where l represents the length and w represents the width. 2(l + w) What does

the 2 represent in this formula?
Mathematics
1 answer:
Klio2033 [76]3 years ago
3 0
The fact that there are two length sides and two width sides. 
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Answer:

42

Step-by-step explanation:

Let x = the original number of bushes in garden A

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x-9-3=x-12 = bushes in garden B after transplanting 3

x+3 = bushes in garden A after transplanting 3

x+3=1.5(x-12)

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Solve the rational equation 1/n-4 - 2/n = 3/4-n
Leokris [45]

Answer:

n=4

Step-by-step explanation:

Given equation: \[\frac{1}{n-4}-\frac{2}{n}=\frac{3}{4-n}\]

Simplifying the Left Hand Side of the equation by taking the LCM of the denominator terms:

\[\frac{n}{n*(n-4)}-\frac{2*(n-4)}{n*(n-4)}=\frac{3}{4-n}\]

=> \[\frac{n - 2*(n-4)}{n*(n-4)}=\frac{3}{4-n}\]

=> \[\frac{n - 2n + 8}{n*(n-4)}=\frac{3}{4-n}\]

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