Mathematics, 10.10.2019 21:30 loveashley1
Agirl wants to count the steps of a moving escalator which is going up. if she is going up on it, she counts 60 steps. if she is walking down, taking the same time per step, then she counts 90 steps. how many steps would she have to take in either direction, if the escalator were standing still?
Answers: 1
Mathematics, 21.06.2019 19:00
The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)
Answers: 1
Mathematics, 21.06.2019 19:10
Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x
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Mathematics, 21.06.2019 22:30
Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Agirl wants to count the steps of a moving escalator which is going up. if she is going up on it, sh...
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