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Explain why adding oil to the moving parts of a machine can increase its efficiency
answered
Dec 13, 2018
Physics
middle-school
3
votes
90.4k
views
If the humidity is 95% does that mean 95% of the air is water vapor?
answered
Nov 22, 2018
Physics
high-school
5
votes
149k
views
Fran graphs the equations y = 2x2 – 2 and y = –0.5x + 4. Her graph is shown below. Which value is an approximate solution of 2x2 – 2 = –0.5x + 4?
answered
Nov 14, 2018
Mathematics
high-school
7
votes
115k
views
When trying to decide if an argument is sound, which type of question should you ask? A. illogical question B. valid question C. true-false question D. multiple-choice question
answered
Oct 9, 2018
English
high-school
1
vote
69.5k
views
The radius of the circle whose equation is (x + 4)² + (y - 2)² = 36 is 36 18 6
answered
Sep 29, 2018
Mathematics
college
3
votes
172k
views
Need help on #s 9 10 and 11 thx!
answered
Sep 23, 2018
Mathematics
middle-school
4
votes
228k
views
I need help please!!!
answered
Aug 12, 2018
Mathematics
high-school
6
votes
103k
views
What is the formula of the most stable oxide of francium?
answered
Jun 29, 2018
Chemistry
middle-school
4
votes
74.9k
views
Why is it more important to know the amount body fat as opposed to just a person's weight?
answered
Dec 19, 2017
Health
high-school
2
votes
3.1k
views
What decimal is between 1.5 and 1.7
answered
Dec 27, 2016
Mathematics
middle-school
4
votes
85.7k
views
The Nile River supports Egyptian agriculture by A. flooding its banks and depositing rich soil. B. never flooding. C. supplying extra water for irrigation to supplement annual rains. D. providing easy
answered
Apr 28, 2016
Biology
high-school
3
votes
186k
views
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