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Answers by Sabri

Answers by Sabri
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Gold is a rare metal that is often blended with other metals to lower the cost of jewelry or art. What physical property of gold could help you determine if a piece is pure gold?
answered Jun 25, 2018
4 votes
155k views
Mischa wrote the quadratic equation 0 = –x2 + 4x – 7 in standard form. What is the value of c in her equation?
answered Apr 28, 2018
4 votes
146k views
What is the solution to the equation below?Round your answer to two decimal places.3*In x=9.9
answered Apr 28, 2018
5 votes
206k views
Why are a variety of instruments needed to measure change in the climate system? a. A different type of instrument is needed for each different climate. b. The climate system involves a number of different
answered Jan 8, 2018
4 votes
33.2k views
What is 1/4 equal to?
answered Aug 23, 2017
7 votes
181k views
If a solution has virtually no hydrogen ions, what type of pH does it have? 0 2 7 13
answered Jun 19, 2017
5 votes
80.3k views
A student wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. To test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type
answered May 14, 2017
3 votes
28.6k views
What time what equals 50
answered Jan 8, 2017
3 votes
120k views
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