Other Math Answers

The Average mass of 50 pumpkin is 2,1kg. If one more pumpkin is added, the average mass is 2,2kg. What is the mass of the extra pumpkin?

They change the oil every 3000 km, rotate tyres every 10000 km and replace wiper blades every 15000 km. After how many kilometers will they first have to change the oil, rotate the tyres and replace the wiper blades all at once?

Calculate the area of a trapezium that has parallel sides of 10cm and 6cm respectively and the perpendicular distance of 7 cm between the parallel sides.

Topic: Normal Distribution Distribution & Inverse Normal Distribution

1. Given that  X~N (4,9), find

a.) P(X > 8)

b.) P(4< X < 6)

c.) P(X≥3)

 (2t-4)² i + 3t j - t² k

A car spends through a police checkpoint at 15ms and Continues on strought rond out the same spoil. Three seconds later, a police motor cyclist at the check point starting from rest, accelerates uniformly in persuit of the car. In another 15 seconds the policeman, then travelling at Vers" and abst with the car, Signals to the driver to skup. The police an himself decelerates uniformly and stique If seconds from west instant. The car, however, trounds on at the same britial sped of 15ms for another 2 Seconds before the brakes are applied bringing the car to stop under uniform recordation in Highlands Calculate the value of V. this the distance between the car and the motor cylist after but have stopped