Mathematics, 03.11.2020 08:20 greyxxamber
A 150-1b man carries a 25-1b can of paint up a helical staircase that encircles a silo with radius 30 ft. If the silo is 120 ft high and the man makes exactly four complete revolutions, how much work is done by the man against gravity in climbing to the top? X ft-lbs
Answers: 1
Mathematics, 21.06.2019 14:00
A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?
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Mathematics, 21.06.2019 16:30
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
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Mathematics, 21.06.2019 17:00
Evaluate the expression for the given value of the variable 7a - 4a for a =8
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A 150-1b man carries a 25-1b can of paint up a helical staircase that encircles a silo with radius 3...
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