Mathematics, 03.02.2020 07:45 Baby010391
The number of students in a school was 860 last year. this year there are 790. what is the percentage decrease in the number of students?
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Mathematics, 21.06.2019 22:00
Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?
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Mathematics, 21.06.2019 23:20
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g
Answers: 1
The number of students in a school was 860 last year. this year there are 790. what is the percentag...
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