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3 years ago

A painter rented a wallpaper steamer at 9 am and returned it at 4pm. He paid a total of 28.84. What is the rental cost per hour

Mathematics

2 answers:

serg [7]3 years ago

7 0

Answer:9 to 4 is 7 hrs divide 7 into 28.84 you get 4.12 so answer is $4.12 an hour

Step-by-step explanation:

lina2011 [118]3 years ago

4 0

Answer: $4.12 per hour

Step-by-step explanation:

Count the number of hours (7)

Divide 28.84 by 7 which gives you 4.12

Mark me as brainliest if this helps!

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What is the solution-2|2.2x-3.3|=-6.6

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$Solution, solve\:for\:x,\:-2\left|2.2x-3.3\right|=-6.6\quad :\quad x=0\quad \mathrm{or}\quad \:x=3$

$Steps:$

$-2\left|2.2x-3.3\right|=-6.6$

$\mathrm{Divide\:both\:sides\:by\:}-2,\\\frac{-2\left|2.2x-3.3\right|}{-2}=\frac{-6.6}{-2}$

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$|f\left(x\right)|=a\quad \Rightarrow \:f\left(x\right)=-a\quad \mathrm{or}\quad \:f\left(x\right)=a,\\2.2x-3.3=-3.3\quad \quad \mathrm{or}\quad \:\quad \:2.2x-3.3=3.3$

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$\mathrm{Combine\:the\:ranges},\\x=0\quad \mathrm{or}\quad \:x=3$

$\mathrm{The\:Correct\:Answer\:is\:x=0\quad \mathrm{or}\quad \:x=3}$

$\mathrm{Hope\:This\:Helps!!!}$

$\mathrm{-Austint1414}$

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