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Black_prince [1.1K]
2 years ago
5

Jacob has several babysitting jobs.on one job ,he earned $10 an hour plus an extra $20 since there were 3 children.On another jo

b , he earned $15 an hour.He earned the same amount of money at both jobs .how many hours did he work and how much did he earned?
Mathematics
1 answer:
Umnica [9.8K]2 years ago
6 0

Answer:

4 hours, $60

Step-by-step explanation:

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Hal says the volume of the sphere shown below 36 cm3. Find the correct volume, using 3.14 for pi. Round to the nearest hundredth
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Answer:

Volume of sphere is 35.98cm^3

Step-by-step explanation:

It is given that Hal says that volume of sphere is 36cm^3

Volume of sphere is given by V=\frac{4}{3}\pi r^3

\frac{4}{3}\pi r^3=36

\pi r^3=27

r^3=8.594

r=2.048cm

Now using 3.14 in place of \pi

Now volume of sphere is

V=\frac{4}{3}\times 3.14\times 2.048^3

V=35.98cm^3

Therefore volume of sphere when we use 3.14 in place of \pi is 35.98cm^3

And the Hal likely error is he uses \pi directly for calculation of volume.

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3 years ago
The price p of pizza is $7.25 plus $0.70 for each t topping on the pizza write a function rule that represents the situation
IrinaK [193]

The answer is

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2 years ago
Consider the following data set:
Komok [63]

Answer:

+5 Range; The range is now 25

Step-by-step explanation:

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3 years ago
THE WORLD'S MOST HARDEST QUESTION<br><br> what is 9484 * 6584 in scientific notation
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Please help me <br> Explain Step by step <br> Worth 15 points
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