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two point charges, Q1=-25microcoulomb and Q2=+50 microcoulomb, are separated by a distance of 12 cm. the electric field at the point P is zero. how far from Q1 is P? @__________@_______________________@ P -25 +50

0.95 of confidence find the confidence interval for the mean

Raudhah took a loan for RM5000 at 8% simple interest per annum on 20 September 2020.If she pays RM124.44 simple interest find the date she settles the loan.

Khairul takes a loan for RM30 000.The bank charges him a simple interest of 6.2% .If he has to pay the bank RM30 100 find the term of the loan

The "end" of the story begins after the jurist leaves his confinement. True False

0.95 confidence find the confidence interval for the mean of the whole population

the sample of selected men have the average weight of 180lb with the standard deviation of 30lb. for 0.95 find the confidence interval for the mean of the whole population

the population of 1500 construction truck has load distributed normally with the mean of 6 tons and the standard deviation of 1 ton. Find the probability that its load is greater than 7?