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3 years ago

47)

Mathematics

2 answers:

romanna [79]3 years ago

8 0

Answer:

$518.75

Step-by-step explanation:

First, you take 20×16 because she worked 20 hours and earns $16 per hour.

20×16=$320.

Next, we figure how much she earned for her commission. %7.5 as a decimal is .075.

So you take .075×2650, which equals $198.75.

Finally, you take 198.75+320, giving you an answer of $518.75.

Bond [772]3 years ago

4 0

Answer:

320 + 198.75= 518.75

Step-by-step explanation:

Travel pays its employees $16 per hour

20hours * $16 per hour= $320

plus 7.5% of $2650 = $198.75

$198.75+$320= $518.75

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Decimal Form:

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Mixed Number Form:

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Step-by-step explanation:

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Step-by-step explanation:

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aivan3 [116]

Answer:

$c=\dfrac{27}{40}\\$

Step-by-step explanation:

We are required to solve for c in the equation: $\dfrac{1}{8}+c= \dfrac{4}{5}$

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Step 3: Multiply all through by 40

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3 years ago

A cylinder is filled with 900 liters of water.find the area of its base if height of cylinder is 20dm.

Lisa [10]

The formula of the volume of a cylinder:

$V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base$

We have:

$V=900\ liters\\1L=1dm^3\ therefore\ V=900L=900dm^3$

and

$H=20\ dm$

substitute:

$\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2$

Answer: The area of a base of the cylinder is equal 45 dm².

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