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5 A \machine produces compression waves in a spring that is 120 cm long by pulsing twice every second. The back and forth movement of the pulse creates compressed sections of the spring that are 30 cm
answered
May 10, 2019
Physics
middle-school
1
vote
93.0k
views
What's 5*(-2/3+3x) ?
answered
Sep 27, 2018
Mathematics
high-school
4
votes
184k
views
How were traders able to reach the markets of Axum? (4 points) the Indian Ocean, the Atlantic Ocean, and the Red Sea the Indian Ocean, the Red Sea, and the Nile River the Red Sea, the Nile River, and the
answered
Aug 9, 2018
Social Studies
high-school
5
votes
145k
views
A method for solving a system of equations where you look at the equations and reason out the answer without doing any formal mathematics
answered
Apr 22, 2018
Mathematics
middle-school
5
votes
186k
views
The graphs of f(x)=2x and g(x)=2x are shown. What are the solutions to the equation 2x=2^x ?
answered
Feb 12, 2018
Mathematics
high-school
7
votes
66.2k
views
What is the formula unit for potassium sulfide
answered
Jan 17, 2017
Chemistry
high-school
6
votes
210k
views
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