Lupe512 Lupe512

14-08-2014
Mathematics

Answered

A truck heads north at a constant speed of

80 km/h. A car leaves 20 minutes later

heading north along the same road and

travelling at a constant speed of 90 km/h.

Writr an equation that could be used

to determine how much time in hours( t) the car

travels until it catches up to the truck?

Verified Answer :

15-08-2014

equation of the travel of the truck: y = 80.x (x in hours)
equation of the travel of the car : y = 90(x - 1/3)
when they meet: 80x = 90x - 30 => 10x = 30 => x = 3h
They'mm meet after 3 hours

Answer Link

Related Questions

santa weighs 17818 N if the average chimney is 32 feet high how long neglecting friction does it take santa to get down the chimney at what speed in ms kmhr and

Which statement accurately describes the Marshall Plan A It offered financial aid to rebuild the shattered economies of Europe B It proposed that Germany be reu

Brennan Manufacturing monitors the number of customer returns for each product model to attempt to track when the organization is producing a large number of de

According to some sources more than 60 percent of Americans currently own a dog Dogs can be strong companions but they also have needs that many people forget t

Which of these inventions was dependent on Edisons methods of electricity distribution the telegraph the camera the automobile the toaster

Two forces a 60newton force east and an 80newton force north act concurrently on an object located at point P as shown Determine the magnitude of the resultant

lawsuit occurs when a group of individuals who have similar claims sue as a group A A class action lawsuit B Compensatory damages C Punitive damages D Equitabl

Arteries gradually constrict between each heartbeat This would allow for which of the following A Blood pressure would drop during a heartbeat B Blood pressure

The data set below has an outlier 2 10 10 11 11 12 12 12 13 14 14 Which value is changed the most by removing the outlier A the range B the median C the lower q

predict if you think there will ever be any new amendments to the Bill of Rights Predict what you think it will be about and tell why you think that