Mathematics, 14.04.2020 09:16 waterdrop026

“The captain of a rafting boat takes his crew down river for 6 hours, covering a total of 56 miles. When he realizes
he left one of his passengers behind, he is forced to paddle back upriver for 8 miles. The trip back up took him 3
hours."
A student used the following system of equations to model the situation given above. Which of the statements is
true about the system of equations the student used?
b = the speed of the boat
r = the speed of the current
8(6-r) = 3
16(6+r) = 56
A. The system of equations the student used is correct.
B. The top equation in the system is incorrect.
C. The bottom equation in the system is incorrect.
D. Both equations in the system are incorrect
Please select the best answer from the choices provided

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:30

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Answers: 1

Answer

Mathematics, 22.06.2019 00:50

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland

Answers: 1

Answer

Mathematics, 22.06.2019 01:00

Which number produces an irrational number multiplied by 1/3

Answers: 1

Answer

Mathematics, 22.06.2019 01:40

Shelly bought a house five years ago for $150,000 and obtained an 80% loan. now the home is worth $140,000 and her loan balance has been reduced by $12,000. what is shelly's current equity?

Answers: 2

Answer

You know the right answer?

“The captain of a rafting boat takes his crew down river for 6 hours, covering a total of 56 miles....

Questions

Mathematics, 30.09.2019 01:30

Kaylin has a collection of 5 different bells from around the world. how many different ways can she display the bells in a single row on a shelf?