Answers by Darko Djuric
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Answers by Darko Djuric

Answers by Darko Djuric
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A school's new pump can fill the swimming pool in 2 hours, and the old pump takes 5 hours. What is the time required in hours to fill the pool if both pumps are used together? (Enter your answer as mixed
answered Jan 20, 2021
3 votes
217k views
Brian has 64 flowers for a big party decoration. In addition, he is planning to buy some flower arrangements that have 18 flowers each. All of the arrangements cost the same. Brian is not sure yet about
answered Jan 9, 2021
5 votes
189k views
Solve x^2 + y^2 = 81 for x. Show solution steps.
answered Dec 4, 2020
4 votes
116k views
What are the solutions of 4x^2-x+9=0 ?
answered Nov 27, 2020
6 votes
142k views
Write the equation of the circle passing through the origin with center (– 9, –12) . (x + 9) – (y −12) = 325 (x + 9)2 + (y +12)2 = 225 (x + 9)2 + (y +12)2 = 325 (x − 9)2 + (y −12)2 = 225 (x − 9)2 + (y
answered Nov 13, 2020
4 votes
207k views
Randy agreed to join a biology study group. When the study group leader gave him her phone number, he had nothing on which to record the number. So Randy repeated the number to himself several times until
answered Sep 30, 2020
4 votes
117k views
How does a law differ from a theory?
answered Jul 31, 2020
2 votes
13.7k views
Find the coordinates of the points of intersection of the graphs without building them: 5x–4y=16 and x–2y=6
answered May 14, 2020
3 votes
217k views
What is the best way to combine these sentences?
answered Mar 21, 2020
2 votes
150k views
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