2 years ago

Help?? Thanks if you do

Mathematics

1 answer:

Mariana [72]2 years ago

6 0

Answer:

l = 6 $a^{4}$ + 2a - 1

Step-by-step explanation:

the area (A) of a rectangle is calculated as

A = lw ( l is the length and w the width )

given A = 18 $a^{5}$ + 6a² - 3a and w = 3a , then

3aw = 18 $a^{5}$ + 6a² - 3a ( divide each term by 3a )

w = $\frac{18a^{5} }{3a}$ + $\frac{6a^2}{3a}$ - $\frac{3a}{3a}$ = 6 $a^{4}$ + 2a - 1

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