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A mixture weighing 600kg has two ingredients: sand, cement and stones. There is twice as much cement as sand and three times as much stones as sand. How much cement in the mixture?
answered
Jan 9, 2021
Mathematics
high-school
3
votes
194k
views
Find all solutions of the equation in the interval [0, 2 pi) 2 cos0-1=0
answered
Oct 14, 2020
Mathematics
middle-school
3
votes
78.0k
views
Nicholas makes $2,000 per month.He spends $300 on credit card payments and $350 on an auto loan.what is his debt to income ratio
answered
Sep 3, 2020
Mathematics
high-school
4
votes
229k
views
What is the square root of 144
answered
Jul 18, 2020
Mathematics
middle-school
6
votes
15.7k
views
Describe the factors promoting and limiting religious freedom in the new england and chesapeake colonies.
answered
Dec 20, 2019
History
college
6
votes
112k
views
Four-fifths of a number is -48
answered
Jul 26, 2019
Mathematics
middle-school
2
votes
75.2k
views
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