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GalinKa [24]
3 years ago
14

The ratio of the radii of two spheres is 3:1. The volume of the larger sphere is 729 in3. What is the volume of the smaller sphe

re?
Mathematics
2 answers:
Yanka [14]3 years ago
8 0
27 in3 because you have to divide it

katovenus [111]3 years ago
4 0
Volume of sphere = 4/3 * π * r^3.

The constants don't matter because we're doing it by ratio, what matters is that volume is proportional to r^3. The radius is 3x larger, so the volume will be 3^3 = 27 times larger.

Therefore the volume of the smaller sphere is 729 / 27 = 27 in^3.
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Step-by-step explanation:

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aleksandr82 [10.1K]
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Which values represent the answer in simplest form?<br> 7/9 divided by 4/9
Aneli [31]

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3 0
2 years ago
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A carpenter needs 9.3 feet of rope for a project. How much will the carpenter spend if the rope costs $3.82 per foot?
den301095 [7]

The total amount the carpenter will spend if the rope costs $3.82 per foot is $35.526

<h3>How to determine how much will the carpenter spend if the rope costs $3.82 per foot?</h3>

The length of rope is given as:

Length = 9.3 feet

The price per rope is given as:

Price per rope = $3.82 per foot

The total amount spent by the carpenter is calculated as:

Total amount = Length * Price per rope

Substitute the known values in the above equation

Total amount = 9.3 feet * $3.82 per foot

Evaluate the product

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Hence, the total amount the carpenter will spend if the rope costs $3.82 per foot is $35.526

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