A cannonball is fired across a field. Its height above the ground after t seconds is given by -16t^2+104. How long does it take for the ball to reach its maximum height of 169 feet?
A radio broadcasts at 101.3 Megahertz. What is the wavelength of the signal in meters?
An army base is enclosed by a wire fence so that it forms a circular compound. The entrance to the base is located at X(3, 6) and the exit is at Y(9, 14). X and Y are end points of a diameter of the circle. A search tower is positioned at Z(2, 13) on the circumference of the c...
A 1300kg car starts from rest at A,COASTS 170M THROUGH A dip,and comes to a a stop at B after coasting a distance d on level ground.if the rolling resistance is a constant force of 220N,determine the distance d.
what is matter?
A large company has found that 40% of it employees own their own homes. a.) If we randomly select a sample of 20 employees, what is the probability that the sample proportion that own their homes is over 50%? b.) If we randomly select a sample of 40 employees, what is the prob...
Which of the following would be closest to a normal distribution? a.) The sampling distribution of the average weight of 40 eggs randomly selected from the stock at the High Street Kroger's grocery? b.) The sampling distribution of the average weight of 4 eggs randomly sel...
Harley-Davidson motorcycles make up 14% of all the motorcycles registered in the United States. You plan to interview an SRS of 600 motorcycle owners. a.) What is the sampling distribution of the proportion of your sample who own Harley's? b.) How likely is your sample to ...
Tonya wants to estimate what proportion of the students in her dormitory like the dorm food. She interviews an SRS of 50 of the 175 students living in the dormitory. She finds that 14 think the dorm food is good. a.) What population does Tonya want to draw conclusions about? ...
Which of the following statements is true based on the propositions of the kinetic molecular theory?