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A toy rocket is launched from a 3.5 m high platform in such a way that its height, h (in meters), after t seconds is given by the equation h=−4.9t + 23.8t +3.5. How long will it take for the rocket to hit the ground?Please show work.

The diameter of an electric cable has a normal distribution with an average of .87 inches and a standard deviation of 0.1 . What is the probability that the cable has a diameter less than 0.91 inches?

In Teaneck, the fruit fly population in millions is modeled by f(t)=8t+4/t+1. where ,t, is in months after June 1st, 2002.Graph this function on your calculator.-Estimate the initial population of fruit flies on June 1st, 2002.-Estimate the population after many months – for example many years into the future.

The following scenario looks at how escalation occurs when making a decision.Chip Davis has been running his car dealership business successfully for five years. This year, he started to suffer losses because some of his customers have defaulted on their payments. At the end of the third quarter of the year, the defaulters have increased […]

Define the term revenue expenditure and state whether it is credited or debited in its expense account.

The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.85 m/s2 for 4.35 s, making straight skid marks 64.7 m long, all the way to the tree. With what speed does the car then strike the tree

From Jackson (2016): even-numbered Chapter exercises for Ch. 8 and 10 (p. 223-224; 274-275)What are degrees of freedom? How are they calculated?What do inferential statistics allow you to infer?Compare and contrast parametric and nonparametric statistics. Why and in what types of cases would you use one over the other?Why is it important to pay attention […]

Problem 4-27 Missing Data; Production Report; Weighted-Average The following data pertain to the Vesuvius Tile Company for July. Work in process, July 1 (in units) 20000 Units started during July ? Total units to account for 65000 Units completed and transferred out during July ? Work in process, July 31 (in units) 15000 Total equivalent […]

1. At the time she was hired as a server at the Grumney Family restaurant, Beth Brigden was told, “You can average at least $20 a day in tips.” Over the first 35 days she was employed at the restaurant, the mean daily amount of her tips was $24.85, with a standard deviation of $3.24. […]

An oscillator has a maximum speed of 13 m/s . When it is 0.60 m from the equilibrium position its speed is 5.0 m/s . What is the angular frequency of the oscillator?