subject
Mathematics, 27.01.2021 21:10 maryforney

Write a system of equations for the following applications and then solve using matrices in a calculator. Must include:
3 equations
MATRIX (if you want to use the "table" feature use a 4x3 table OR you can upload a screenshot from Desmos or a picture of your paper
and
solution WITH UNITS in your answer
I have a jar of nickels, dimes and quarters that totals $6.95. There are 63 coins altogether in the jar. There are half as many dimes as nickels. Find the number of nickels, dimes and quarters in the collection.

Define your variables:

System of Equations:

Matrix:

Solution:

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Find the greatest common factor of 28 and 35
Answers: 1
question
Mathematics, 21.06.2019 17:20
Solve -2(4y + 6) = 52. 5 -5 8 -8 and !
Answers: 1
question
Mathematics, 21.06.2019 17:30
33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.
Answers: 1
question
Mathematics, 21.06.2019 20:40
David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.
Answers: 1
You know the right answer?
Write a system of equations for the following applications and then solve using matrices in a calcul...
Questions
question
Physics, 02.12.2021 17:40
question
Mathematics, 02.12.2021 17:40
question
Mathematics, 02.12.2021 17:40
question
English, 02.12.2021 17:40
question
Business, 02.12.2021 17:40