Mathematics, 09.12.2020 18:20 AgentPangolin
Mitch used a pulley to move a crate he applied an input force of 40 n to a box and the pulley had an output force of 120 N what is the mechanical advantage of the pulley
a. 80
b. 0.33
c. 160
d. 3
Answers: 1
Mathematics, 21.06.2019 12:30
One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.
Answers: 2
Mathematics, 21.06.2019 19:30
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
Answers: 3
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