Answers by Derya
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Answers by Derya

Answers by Derya
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In a class of 30 students, there are four more girls than boys. a)Using x as the number of boys, write down an equation b)Solve the equation and find the number of girls in the class.
answered Jun 29, 2021
5 votes
44.7k views
3. Factor the expression. d2 + 120 + 36 A (d + 6)2 B (d - 36)(0 - 1) OC (d - 6)2 D (d + 6)(d - 6)​
answered May 18, 2021
6 votes
44.9k views
A student synthesized a cobalt amine complex with 11.0323 g of CoCl2·6H2O (limiting reactant, MW = 237.83 g/mol) and collected 9.4705 g of the cobalt amine complex (MW = 250.45 g/mol). What was the percent
answered Mar 23, 2021
0 votes
88.4k views
. What is the “it” that the world as we know it would not be able to exist without?
answered Feb 22, 2021
6 votes
78.4k views
Which of the following best explains why the law of supply and demand has an effect on the labor market? O A. Labor involves costs and benefits. O B. There is always a surplus of labor. O C. Labor is a
answered Feb 16, 2021
5 votes
110k views
What was the most important effect of gunpowder in ancient China? It provided a military advantage. It was used to create fireworks displays. It was used in the construction of canals. It demonstrated
answered Feb 14, 2021
5 votes
235k views
3.5+0.86 divided by 2
answered Jan 26, 2021
3 votes
74.7k views
If a pump can fill a pool within 6 hours, and another pump can empty the pool within 3 hours, how long will it take the pool to empty when it's full and when both pumps are working?
answered Sep 27, 2020
1 vote
183k views
Who came up with the idea for hypertex
answered Sep 6, 2020
5 votes
52.1k views
Match the terms to the appropriate blank in the sentences. Our Sun belongs to the ___________ of the Milky Way Galaxy. The globular cluster M13 belongs to the ______________ of the Milky Way Galaxy. A(n)
answered Jul 16, 2020
6 votes
152k views
Challenger Middle school has 800 students. Every Wednesday, 12% of the students stay after school for chess club. How many Students attend Chess Club on Wednesdays?
answered Jun 23, 2020
1 vote
902 views
What number, when substituted for x in the following problem, will make the problem true? 6x + 8x = 10x
answered Jan 19, 2020
7 votes
213k views
The temperature scale witch starts at absolute Zero is the
answered Jan 9, 2020
3 votes
177k views
What is the equation for the sum of half a number and two-thirds of the number is less than 14?
answered Jul 6, 2019
5 votes
9.3k views
Write a balanced nuclear equation for the beta decay of protactinium
answered May 25, 2019
0 votes
64.3k views
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