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Lawrence has 10 coins in his pocket. One coin is a quarter, and the others are all nickels or dimes. The coins are worth 90 cents. How many nickels and dimes does Lawrence having his pocket?
answered
Jun 26, 2019
Mathematics
middle-school
5
votes
27.7k
views
Find angle O A. 49 B. 59 C. 63 D. 78
answered
Apr 11, 2019
Mathematics
high-school
2
votes
71.8k
views
Which battle is considered to be a turning point of the war?
answered
Mar 6, 2019
History
high-school
1
vote
52.7k
views
Smallpox was a disease that decimated the ________. A. French B. Natives C. British
answered
Apr 27, 2018
History
college
3
votes
8.3k
views
The chemical equation below shows the burning of magnesium (Mg) with oxygen (O2) to form magnesium oxide (MgO). 2Mg + O2 mc009-1.jpg 2MgO The molar mass of O2 is 32.0 g/mol. What mass, in grams, of O2
answered
Apr 15, 2018
Chemistry
high-school
2
votes
205k
views
What is currently known about the benefits of fluoride in drinking water supplies? a. bottled water has fluoride added as part of the bottling process b. scientific evidence has shown that communities
answered
Sep 22, 2017
Health
high-school
4
votes
18.5k
views
What is an endothermic reaction?
answered
May 9, 2017
Chemistry
high-school
0
votes
209k
views
What is the reference angle for 7pi/6
answered
Jan 29, 2017
Mathematics
high-school
2
votes
200k
views
Which choice is equivalent to the expression below? 2√2 + √18 + √8 A.7√2 B.8√2 C.6√2 D.4√2
answered
Nov 29, 2015
Mathematics
high-school
6
votes
216k
views
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