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How many solutions dose this linear system have y=2x-5 -8x-4y=29
answered
Aug 2, 2018
Mathematics
high-school
1
vote
127k
views
You travel 20.0 mph for 0.500 hour, 40.0 mph for 1.00 hour, 30.0 mph for 0.500 hour, and 50.0 mph for 2.00 hours. What is the total distance traveled?
answered
Jul 20, 2018
Physics
high-school
5
votes
214k
views
An object's position is given by x=bt+ct3, where b=1.50m/s and c=0.640m/s3. to study the limiting process leading to the instantaneous velocity, calculate the object's average velocity over time intervals
answered
Jun 29, 2018
Physics
high-school
7
votes
84.3k
views
What are barriers to physical fitness and activity?
answered
May 15, 2018
Physics
high-school
4
votes
230k
views
In one day, a 75 kg mountain climber ascends from the 1480 m level on a vertical cliff to the top at 2400 m . the next day, she descends from the top to the base of the cliff, which is at an elevation
answered
Apr 15, 2018
Physics
high-school
2
votes
221k
views
How did the view of the solar system change between Ptolemy and Kepler?
answered
Apr 15, 2018
Biology
middle-school
3
votes
61.8k
views
What is 0.212121 written as a fraction?
answered
Sep 11, 2017
Mathematics
middle-school
2
votes
105k
views
Aubrey wants to buy a new coat that has a regular price of $185. This weekend the coat is on sale at a 33% discount what is the sale price of the coat?
answered
May 1, 2016
Mathematics
middle-school
1
vote
109k
views
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