The reciprocal of two more than a number is three times the reciprocal of the number. find the number

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Which of the following are accepted without proof in a logical system? check all that apply.