Six speeds
A drilling machine is to have 6 speeds ranging from 50 to 750 revolutions per minute. If the speed forms a geometric progression, determine their values.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- equation
- exponential equation
- geometric progression
- arithmetic
- cube root
- square root
- exponentiation
Units of physical quantities:
Grade of the word problem:
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