Mathematics, 09.06.2021 02:10, sobell7725
Mark, Jessica, and Nate each downloaded music from the same website. Mark downloaded 10 songs in total consisting of pop, rock, and hip hop. Jessica downloaded five times as many pop songs, twice as many rock songs, and three times as many hip hop songs as Mark. She downloaded 28 songs total. Nate downloaded 20 songs total with three times as many pop songs, three times as many rock songs, and the same number of hip hop songs as Mark. Which system of equations represents their music choices?
answer choices are:
A. x + y + z = 10
5x + 2y + 3z = 28
3x + 3y + z = 20
B. x + y + z = 10
2x + 5y + 3z = 28
3x + 3y + z = 20
C. x + y + z = 10
5x + 2y + 3z = 28
3x + 3y + 3z = 20
D. x + y + z = 10
2x + 3y + 5z = 28
x + 3y + 3z = 20
Answers: 2
Mathematics, 22.06.2019 01:20, mickeyo2003
The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}
Answers: 2
Mathematics, 22.06.2019 01:30, cathysilvestro
△abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.
Answers: 2
Mark, Jessica, and Nate each downloaded music from the same website. Mark downloaded 10 songs in tot...
Mathematics, 30.07.2019 07:00
Physics, 30.07.2019 07:00
Physics, 30.07.2019 07:00
Social Studies, 30.07.2019 07:00