Mathematics, 16.10.2019 00:00 jaylene33002
High-strength concrete is supposed to have a compressive strength greater than 6,000 pounds per square inch (psi). a certain type of concrete has a mean compressive strength of 7,000 psi, but due to variability in the mixing process it has a standard deviation of 420 psi, assuming a normal distribution.
Answers: 2
Mathematics, 21.06.2019 13:00
Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.
Answers: 1
Mathematics, 21.06.2019 21:40
The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.
Answers: 1
High-strength concrete is supposed to have a compressive strength greater than 6,000 pounds per squa...
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