Questions Asked

justightful:
How many atoms are in 3.14 mol of methane (CH4)?
A.7.56 x 1023 atoms
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 updated one year ago
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justightful:
What is the equation of a parabola with a vertex at (0, 0) and a focus at (0, 6).
 updated one year ago
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justightful:
3/n1+2/3=5/3 ?please help
 updated one year ago
 6 replies
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justightful:
If y varies directly as x, and y = 18 as x = 2, find y for the xvalue of 20
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 updated one year ago
 5 replies
 2 Medals

justightful:
Solve 2log8(x + 1) = 8
 updated one year ago
 22 replies
 1 Medal

justightful:
The average score on a standardized test is 750 points with a standard deviation of 50 points. If 2,000 students take the test at a local sc…
 updated one year ago
 12 replies
 1 Medal