Mathematics, 12.01.2021 17:50, carlo123
If using the method of completing the square to solve the quadratic equation x^2+9x+7=0x 2 +9x+7=0, which number would have to be added to "complete the square"?
Answers: 3
Mathematics, 21.06.2019 16:00, brittneeyy
Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?
Answers: 1
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 23:30, jacesmokesloud7254
Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.
Answers: 3
If using the method of completing the square to solve the quadratic equation x^2+9x+7=0x 2 +9x+7=0,...
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