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Suppose a railroad rail is 6 kilometers and it expands on a hot day by 10 centimeters in length. Approximately how many meters would the center of the rail rise above the ground?
answered
Dec 6, 2018
Mathematics
college
3
votes
114k
views
What is 0.233333 as a fraction
answered
Nov 24, 2018
Mathematics
middle-school
4
votes
224k
views
Explain what an adaptation is, and provide 3 examples.
answered
Nov 2, 2018
Biology
high-school
2
votes
136k
views
Where can a person find a description of a U.S. citizen's civil liberties? A .the Pledge of Allegiance B.the Declaration of IndependenceC.the Preamble D.the Bill of Rights
answered
Oct 8, 2018
History
middle-school
1
vote
115k
views
Pierre stands on level ground at the point P, 5 metres from O. Pierre is metres tall and his shadow PT is 2x metres long Find the value of x
answered
May 9, 2018
Mathematics
high-school
3
votes
113k
views
6a+3a-4a=21 (please solve)
answered
Mar 2, 2018
Mathematics
middle-school
2
votes
129k
views
What methods could you use to calculate the x-coordinate of the midpoint of a horizontal segment with the endpoints of (-20, 0) and (20, 0)?. . A. divide 0 by 20 . B. calculate the average of the x-coordinates
answered
Jun 8, 2017
Mathematics
high-school
0
votes
44.9k
views
With which free state did arkansas partner to enter the union as a slave state? a. florida b. michigan c. texas d. california
answered
May 19, 2017
History
high-school
2
votes
107k
views
What is 2.5 meters in feet?
answered
Mar 2, 2017
Physics
high-school
0
votes
6.9k
views
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