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3 years ago

9 – 4x = 2x whats the ancewer

Mathematics

2 answers:

zmey [24]3 years ago

5 0

Answer:

3/2 is the answer

Step-by-step explanation:

ololo11 [35]3 years ago

5 0

Answer:

x=1 1/2

Step-by-step explanation:

9-4x=2x

4x+2x=9

6x=9

x=9/6

x=3/2

x=1 1/2

Theres the answer hope this helps! :)

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Aaron wants to mulch his garden. His garden is x^2+18x+81 ft^2 One bag of mulch covers x^2-81 ft^2 . Divide the expressions and

blsea [12.9K]

Answer:

Step-by-step explanation:

Given

Garden: $x^2+18x+81$

One Bag: $x^2 - 81$

Requires

Determine the number of bags to cover the whole garden

This is calculated as thus;

$Bags = \frac{x^2+18x+81}{x^2 - 81}$

Expand the numerator

$Bags = \frac{x^2+9x+9x+81}{x^2 - 81}$

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Express 81 as 9²

$Bags = \frac{(x+9)(x+9)}{x^2 - 9\²}$

Evaluate as difference of two squares

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Hence, the number of bags is $Bags = \frac{(x+9)}{(x - 9)}$

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Step-by-step explanation:

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sleet_krkn [62]

Answer:

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Step-by-step explanation:

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