Mathematics, 18.09.2019 04:20, QueenNerdy889
38. (a) how much work is done lifting a 60 pound chair from the ground to the top of a 20 foot
building with a cable which weighs 1 pound per foot?
(b) how much work is done lifting the same chair from the ground to a height of 5 feet with the same
cable?
39. (a) how much work is done lifting a 10 pound calculus book from the ground to the top of a 30 foot
building with a cable which weighs 2 pounds per foot?
(b) from the ground to a height of 10 feet? (c) from a height of 10 feet to a height of 20 feet?
40. how much work is done lifting an 80 pound injured child to the top of a 20 foot hole using a stretcher
weighing 14 pounds and a cable which weighs 1 pound per foot?
42. how much work is done lifting an 120 pound injured adult to the top of a 30 foot hole using a stretcher
weighing 10 pounds and a cable which weighs 2 pound per foot?
Answers: 1
Mathematics, 21.06.2019 16:30, shyann78
In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)
Answers: 2
Mathematics, 21.06.2019 20:00, suselygonza
Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.
Answers: 1
38. (a) how much work is done lifting a 60 pound chair from the ground to the top of a 20 foot
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