Mathematics, 01.12.2021 19:20 tressasill

Cinthya and Mirta went shopping. Cinthya bought 2 CDs and 3 DVDs for at total of $90. Mirta bought 3 CDs and 1 DVD for a total of $65. Write a system of equations that could be used to determine the cost of 1 CD, c, and 1 DVD, d.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, GalaxyWolf1895

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Answers: 2

continue

Mathematics, 21.06.2019 19:00, Islandgirl67

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Answers: 1

continue

Mathematics, 21.06.2019 19:00, sciencegeekgirl2017

Write the pair of fractions as a pair of fractions with a common denominator

Answers: 3

continue

Mathematics, 21.06.2019 21:00, bee3176

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)