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Mathematics, 21.06.2019 16:40
The sum of two numbers is 86, and their difference is 20. find the two numbers
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Mathematics, 22.06.2019 02:00
The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a Ă— 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a Ă— 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.
Answers: 1
Mathematics, 22.06.2019 03:40
Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?
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Mathematics, 22.06.2019 04:50
What number produces an irrational number when multiplied by 1/4
Answers: 3
What is the solution set? -8x - 18 < -42...
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