parkermatthews parkermatthews

10-02-2017
Mathematics

contestada

At maximum speed, an airplane travels 2400 miles against the wind in 6 hours. Flying with the wind, the plane can travel the same distance in 5 hours.

Let X be the maximum speed of the plane and Y be the speed of the wind.

What is the speed of the plane with no wind?

Respuesta :

Bigred78 Bigred78

10-02-2017

2400 / x+y=5
x+y = 480
x-y+ x+y = 480+400
2x=880
x=440 mph rate of plane in still air
so y= 40 mph rate of wind

Answer Link

Otras preguntas

Order the steps that take place during natural selection in this beetle population

We talked about animal reproduction, but I don't know how cats reproduce. Can some one tell me. I think it's 8 points.

What is 0.00000000078 in scientific notation? Enter your answer in the boxes. __x10^^--

which of the following is the basic measure of a nation's economic growth rate? A. standard of living over a given period of time B. Nonmarket activities over a

Mis tíos usan la mesa _____ y mis primitos usan la mesita _____.

Explain why the phenomenon called global warming is more accurately described as climate change. PLZZZZ NEED HELP

Identify the verb form in the following sentence. I am agreeing with what you say. A. future progressive B. past progressive C. present progressive D. prese

A commuter has a choice of two routes for his morning drive to work. in an effort to determine the best route, he collects data on his drive time for each rout

Lola used 1 1/2 cup dried apricots to make 5/6 of her trail mix . How many more cups of dried apricots does she need to finish her trail mix?

The history of drug abuse in the united states is intertwined with trends and patterns of not only use but also illicit traffic. the golden crescent contributes