subject
Mathematics, 07.12.2019 20:31 kmafromhannah2905

Achild has a piggy bank that contains only quarters and dimes. altogether, there are 27 coins in the bank and the total value of the coins is $4.50. how many quarters and how many dimes are in the piggy bank?
a. write a system of linear equations based on the description. use x to represent the number of quarters and y to represent the number of dimes.
b. solve the system using the elimination method. show all the steps leading to your answer.
c. write 1-2 sentences to explain what the solution means for this situation.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)
Answers: 1
question
Mathematics, 21.06.2019 18:30
Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.
Answers: 1
question
Mathematics, 21.06.2019 20:00
Someone answer asap for ! 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
question
Mathematics, 21.06.2019 21:20
Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?
Answers: 1
You know the right answer?
Achild has a piggy bank that contains only quarters and dimes. altogether, there are 27 coins in the...
Questions
question
Biology, 08.07.2019 06:00
question
Mathematics, 08.07.2019 06:00
question
Biology, 08.07.2019 06:00
question
Mathematics, 08.07.2019 06:00
question
Mathematics, 08.07.2019 06:10