Mathematics, 09.03.2020 16:16 unknownday7
If 2.4 J of work are needed to stretch a spring from 16 cm to 20 cm and 4 J are needed to stretch it from 20 cm to 24 cm, what is the natural length of the spring? cm
Answers: 3
Mathematics, 21.06.2019 16:20
The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.
Answers: 3
Mathematics, 21.06.2019 18:00
Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning
Answers: 1
Mathematics, 21.06.2019 21:00
Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.
Answers: 3
If 2.4 J of work are needed to stretch a spring from 16 cm to 20 cm and 4 J are needed to stretch it...
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