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3 years ago

8

free points Aiku has one piece of rope that is 45 centimeters long and another that is 367 centimeters long. How many meters of

rope does Aiku have in all? A.0.0412 m B.0.412 m C.4.12 m D.41.2 m

1 answer:

EleoNora [17]3 years ago

8 0

Answer:

4.12

Step-by-step explanation:

going from cm to m, divide length value by 100

45+367=412

412/100=4.12

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3 years ago

Question 1: find the volume of a cube whose total surface area is 486cm^2

lapo4ka [179]

<h3>The volume of cube is 729 cubic centimeter</h3>

<em><u>Solution:</u></em>

<em><u>The surface area of cube is given as:</u></em>

$Surface\ area = 6a^2$

Where, "a" is the length of side of cube

Given that, surface area = 486 square centimeter

$486 = 6a^2\\\\a^2 = \frac{486}{6}\\\\a^2 = 81\\\\a = 9$

<u><em>Find the volume of cube:</em></u>

$volume\ of\ cube = a^3\\\\volume\ of\ cube = 9^3\\\\volume\ of\ cube = 9 \times 9 \times 9\\\\volume\ of\ cube = 729$

Thus volume of cube is 729 cubic centimeter

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3 years ago