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MA_775_DIABLO [31]
3 years ago
15

A hairdresser combined three bottles of shampoo into one bottle. The first bottle had 4.8 ounces of shampoo, the second bottle h

ad 5.4 ounces, and the third bottle had 6.6 ounces. The hairdresser used 2 5of the shampoo from the new bottle when she washed her hair. How many ounces of shampoo did she use? Describe two different ways to solve the problem.

Mathematics
1 answer:
Korvikt [17]3 years ago
6 0

Answer:

about 20

Step-by-step explanation:

its kindergarden math

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The volume of a sphere can be described by the following formula, where V = volume and r = radius of the sphere.
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Option C: r = \sqrt[3]{\frac{3V}{4\pi} } is the right answer

Step-by-step explanation:

Given formula for volume of a sphere is:

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

We have to make r the subject of the formula

Multiplying equation by 3/4

\frac{3}{4}V = \frac{4}{3} * \frac{3}{4} \pi r^3\\\frac{3}{4}V = \pi r^3

Dividing both sides by pi

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

Taking cube root on both sides

\sqrt[3]{\frac{3V}{4\pi} } = \sqrt[3]{r^3} \\ r = \sqrt[3]{\frac{3V}{4\pi} }

Hence,

Option C: r = \sqrt[3]{\frac{3V}{4\pi} } is the right answer

Keywords: Volume, Sphere

Learn more about volume at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

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3 years ago
Does the equation y=-1/3x1/3 form a straight line
weqwewe [10]
Yes because it is a linear equation 
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3 years ago
A car is driving at a speed of 60mi/h. What is the speed of the car in feet per minute
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There are 5820 ft per mile

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Hope this helps!
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Jordan bikes at a speed of 8 2/3 mph. How many miles will he bike in 45 minutes?
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Answer:

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Step-by-step explanation:

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Points click here . your welcome ​
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Step-by-step explanation:

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