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Randi takes the stairs at

An elf has a staircase with 10 steps to climb. Each step it takes can cover either one stair or two stairs. In how many ways can
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2. asked by jenny
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Randi takes the stairs at work whenever possible instead of the elevator. She must climb up 51 steps from her office to get to
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2. asked by Jerald
3. 595 views
Randi takes the stairs at work whenever possible instead of the elevator. She must climb up 51 steps from her office to get to
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2. asked by Sadie
3. 1,778 views
An elf has a staircase with 10 steps to climb. Each step it takes can cover either one stair or two stairs. In how many ways can
1. 2 answers
2. asked by jen
3. 933 views
Two men of the same mass climb the same flight of stairs. The first man climbs the stairs for 25 seconds, while the seconds
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2. asked by Justin
3. 1,084 views
Is this correct?Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. How much work
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2. asked by mysterychicken
3. 1,218 views
A 50kg girl runs up stairs in 70s, the stairs are 8.0m high. Take the gravitational field strength as 10N/Kg. What is the girl's
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2. asked by Charles
3. 241 views
Electric stairs bring people up from Newyork metro station. Calculate the power consumption of the stairs during the rush hour
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2. asked by winget
3. 560 views
"January Book Club: 'Heart: A History'"by Randi Hutter Epstein Then we learn that the concept for this machine began with one
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2. 164 views
Rob is on vacation in Paris, France. When Rob visited the Eiffel Tower today, he climbed 1,000 stairs in 25 minutes. Tomorrow,
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2. 124 views