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750 million years ago, there was enough Uranium-235 present in Oklo, Gabon to have a natural fission reactor occur and generate a chain reaction. If there is currently 50kg of U-235 present in Oklo, how
answered
Jul 30, 2018
Physics
high-school
6
votes
122k
views
Two-way frequency tables Hair Color Boys 4 Girls 5 Black Blonde Boys 4 Girls 6 Brown Boys 10 Girls 8 Red Boys 2 Girls 1 The table shows the number of boys and girls that have black, blonde, brown, or red
answered
Jul 7, 2018
Mathematics
middle-school
5
votes
187k
views
−5 + (−5r) + 10 Not that hard but I keep getting stuck
answered
Jun 26, 2018
Mathematics
middle-school
3
votes
80.8k
views
Describe the steps to graph the equation "f(x) = 14x + 1" on the coordinate axes. Mention the labels on the axes and the intervals.
answered
Feb 10, 2018
Mathematics
high-school
4
votes
231k
views
Clouds form from _____ temperature change, which occurs when an expanding gas cools. a condensation an adiabatic an aerodynamic a sublimation
answered
Feb 9, 2018
Biology
high-school
3
votes
101k
views
The first three articles of the U.S. Constitution talks about_____________________.. a. explain the powers delegated to the national government.. b. list the powers implied as belonging to national government.
answered
Nov 16, 2017
History
high-school
0
votes
177k
views
if the ratio of students who prefer doing their homework before school to students who prefer doing homework afterschool is 7:15,what does the ratio 7 over 22 represent?explain.
answered
Sep 30, 2017
Mathematics
middle-school
0
votes
222k
views
How can I use compatible numbers to find estimates for 478 divided by 12
answered
Dec 6, 2016
Mathematics
middle-school
3
votes
192k
views
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