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A roller coaster starts from a deck at an elevation of 20 feet above the ground. On the first hill it climbs 83 feet and then drops 42 feet. On the second hill the coaster climbs 128 feet and then drops
asked
May 8, 2018
Mathematics
high-school
2
answers
2
votes
183k
views
If the value of "a" lies between −5 and 2 and the value of "b" lies between −7 and 1, what are the possible values for the product a· b?
asked
Apr 6, 2018
Mathematics
middle-school
1
answer
0
votes
131k
views
Suppose a triangle has two sides of length 3 and 4 and that the angle between these two sides is pi/3. What is the length of the third side of the triangle?
asked
Sep 20, 2017
Mathematics
high-school
2
answers
3
votes
135k
views
you are to roll two number cubes 200 times. How many times should you expect to roll a sum of product of 10?
asked
Aug 21, 2017
Mathematics
middle-school
1
answer
2
votes
5.4k
views
In what way were the kingdoms of Ghana and Mali similar
asked
Jun 26, 2017
History
high-school
1
answer
2
votes
221k
views
How did the american revolution influence south americans in the 18th and 19th centuries?
asked
Apr 3, 2017
History
high-school
1
answer
0
votes
63.8k
views
Why was the fact that George Washington was elected unanimously so important?
asked
Sep 1, 2016
History
high-school
2
answers
4
votes
69.0k
views
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