Which of these strategies would eliminate a variable in the system of equations?
-7x + 2y = 5
...
Mathematics, 14.06.2021 14:00 miko96
Which of these strategies would eliminate a variable in the system of equations?
-7x + 2y = 5
3x - 5y = -5
A. Add the equations
B. Multiply the top equation by 3, multiply the bottom equation by 7, then add the equations.
C. Multiply the top equation by 5, multiply the bottom equation by 2, then add the equations.
Answers: 2
Mathematics, 21.06.2019 16:00
Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?
Answers: 1
Mathematics, 21.06.2019 17:30
Me with this one question, and i'll upvote the brainliest answer
Answers: 2
Mathematics, 21.06.2019 17:30
How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
Answers: 2
Mathematics, 21.06.2019 18:00
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
Answers: 1
Mathematics, 07.07.2019 09:00
Biology, 07.07.2019 09:00
Geography, 07.07.2019 09:00
Chemistry, 07.07.2019 09:00
History, 07.07.2019 09:00
Mathematics, 07.07.2019 09:00
English, 07.07.2019 09:00
Chemistry, 07.07.2019 09:00