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A really high-speed train moves in a direction parallel to its length with a speed that approaches the speed of light. The length of the train, as measured by a stationary observer on the ground, A. is
answered
Jan 28, 2020
Physics
high-school
2
votes
19.9k
views
If 3 is added to the absolute value of the product of a number and −9, the result is 4.
answered
Jan 17, 2020
Mathematics
middle-school
2
votes
126k
views
12+10 divided by 6? with steps. i know what it is i just need steps.
answered
Jul 3, 2019
Mathematics
middle-school
7
votes
106k
views
The room numbers of two adjacent classrooms are two consecutive even integers. If their sum is 654, find the classroom numbers.
answered
Mar 21, 2019
Mathematics
middle-school
3
votes
166k
views
the measurement of one angle of a right triangle is 34 degrees. what is the measurement of the third?
answered
Feb 10, 2019
Mathematics
middle-school
2
votes
95.4k
views
At 200 degrees F, substance 1 is a liquid, substance 2 is a solid, and substance 3 is a gas. Which substance has molecules with no kinetic energy? A. Substance 1 B. Substance 2 C. Substance 3 D. None
answered
Mar 14, 2018
Chemistry
high-school
3
votes
64.6k
views
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 5 hours. Together they charged a total of $2300. What was the rate charged per hour by each mechanic
answered
Feb 26, 2018
Mathematics
college
1
vote
60.9k
views
A line passes through (2, 8) and (4, 12). Which equation best represents the line? y = 1 over 2 x + 6 y = 2x + 7 y = 2x + 4 y = 1 over 2 x + 10
answered
Feb 17, 2018
Mathematics
middle-school
2
votes
42.3k
views
3 3/10 - 7/10 please help
answered
Jan 20, 2018
Mathematics
middle-school
3
votes
193k
views
Nitrogen (N) is made up of 99.632% 14N and 0.368% 15N. The atomic mass of 14N is 14.003 amu. The atomic mass of 15N is 15.000 amu. What is the average atomic mass of nitrogen?. . A. 14.0 amu. . B. 14.006
answered
Feb 4, 2017
Chemistry
high-school
7
votes
229k
views
Which statement accurately describes the various gods that Hindus worship? A. All of the Hindu gods teach humans to accumulate material wealth. This wealth is needed to ensure they achieve Nirvana. B.
answered
Feb 1, 2017
History
high-school
7
votes
79.6k
views
Which nation was part of the Axis Powers? Great Britain Italy France Sweden
answered
Nov 11, 2016
History
high-school
4
votes
93.0k
views
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