Answers by David Refoua
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Answers by David Refoua

Answers by David Refoua
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Based on the figure below, what is the value of x? A right angle is shown divided in two parts. The measure of the angle of one part is 20 degrees and the measure of the other part is 5x plus 15 degrees.
answered May 6, 2019
1 vote
133k views
Stella has 215 coins and 89 of them are nickels. Two thirds of the remaining coins are pennies.how many pennies does stella have
answered Mar 30, 2019
2 votes
124k views
What are the disadvantages of using artificial blood?
answered Mar 14, 2018
6 votes
195k views
Imagine you are writing an essay on the proper ways to test lake water for pollutants. Which structure would be the best way to organize the information in this essay?
answered Jan 18, 2018
4 votes
159k views
Is it okay to speak to the reader directly when writing a research paper?
answered Jan 17, 2018
1 vote
129k views
Determine the type and number of solutions of 3x^2+6x+4=0
answered Jan 5, 2018
5 votes
23.5k views
The height of the regular hexagon shown is 24 in. Calculate the area to the nearest tenth. A.152.7 in. B.432.0 in. C.498.8 in. D.997.7 in.
answered Oct 28, 2017
1 vote
189k views
A solid-state component with three layers of semiconductors is a
answered Aug 3, 2017
0 votes
135k views
Jazz is a popular music style imported to america from europe and characterized by improvisation, syncopation, and blues. true false
answered Jul 12, 2017
7 votes
187k views
Which of the following lines would best support the statement? Longfellow uses onomatopoeia to suggest the sound of a galloping horse.
answered Apr 2, 2017
3 votes
234k views
How does the geography impact the climate of argentina?
answered Aug 30, 2016
5 votes
198k views
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