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Rational numbers....... fraction 7/8 What is the decimal and percent %
answered
Dec 28, 2017
Mathematics
middle-school
4
votes
41.5k
views
Determine the number of phosphorus atoms present in 9.20 mol of copper(II) phosphate.
answered
Nov 30, 2017
Chemistry
high-school
4
votes
138k
views
Solve for x in 20=2x+2.5x. Please show your work :)
answered
Sep 3, 2017
Mathematics
middle-school
0
votes
234k
views
A new drug has been found to be effective in treating 75% of the people afflicted by a certain disease. If the drug is administered to 400 people who have this disease, what are the mean and the standard
answered
Apr 7, 2017
Mathematics
high-school
2
votes
55.1k
views
In a series of rock layers, a geologist finds fossils of a pine trees and oak trees in layers that are 1.0 m and 1.5 m deep. However, in a layer that is 2.0 m deep, he finds fossils of tropical plants
answered
Jun 12, 2016
Physics
middle-school
2
votes
221k
views
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