cjhsmelodyp6p2kd cjhsmelodyp6p2kd

02-07-2018
Mathematics

contestada

Jim paddles from one shore of a lake 3 miles wide at 4mph, and John paddled from the opposite shore at 5mph . How long will they travel before they meet ?

Respuesta :

musiclover10045 musiclover10045

02-07-2018

Let X = time

Jim paddles 4 mph for x time = 4x
John paddles 5 mph for x time = 5x

write an equation: 4x +5x = 3 miles

9x = 3 miles

Divide both sides by 9:

x = 3/9

x = 1/3 of an hour = 20 minutes.

Answer Link

Otras preguntas

Maria is ordering copy paper for her office. The office is low on white paper and on blue paper. She will pay $3.50 per team of white paper and $3.75 per team o

A 50-g ball rolls across a table at 2 m/s. A 100-g ball rolls across the same table at 1 m/s. Which ball has more momentum? a. 50-g Ball b. 100-g ball c. They h

Which sentence uses the word effect correctly? A. Rising oil prices will have an effect on nearly everyone. B. A gas shortage will not effect me very much, s

select all that apply. an ellipse has _____. one center two foci a diameter a major axis a minor axis

The perimeter of rhombus ABCD is __ units.

The maginot line was a system of fortifications to protect russia from german invasion. a. true b. false

There are specific response procedures for different kinds of injuries. true false

4(x-3)=5(x+1) solve the equation above for x

Which of his own pieces of writing does poe use to explain his philosophy of composition?

What code book would be used to code a nosebleed