faris has six cube on his table. the cubes have a total volume of 2021cm³. five of the cubes have side length 5 cm, 5cm,6cm and 11 cm. what is the side length of the sixth cube in cm.
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Answer:
5³+5³+6³+11³+x³=2021
125+125+216+1331+x³=2021
1797+x³=2021
x³=2021-1797
x³=224
x=2×28⅓
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