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10 less than half a number is 27
answered
Feb 3, 2018
Mathematics
middle-school
3
votes
129k
views
What causes the phases of the moon as observed from the Earth? A) Filtering of the light from the moon due to the Earth's atmosphere. B) The tidal forces of the Earth's oceans change the appearance of
answered
Aug 29, 2017
History
high-school
2
votes
75.4k
views
What number must you add to complete the square? x^2 + 2x = -1
answered
Mar 30, 2017
Mathematics
high-school
4
votes
76.4k
views
Two sides of an isosceles triangle measure 3 inches and 13 inches respectively. Find the length of the third side. Explain your reasoning.
answered
Jul 28, 2016
Mathematics
middle-school
6
votes
112k
views
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