Mathematics, 01.03.2021 17:50 truesarah111

The elimination method is ideal for solving this system of equations. By which number must you multiply the second equation to eliminate the y-variable, and what is the solution for this system? x + 3y = 42
2x − y = 14

A.
Multiply the second equation by -3. The solution is x = 12, y = 9.
B.
Multiply the second equation by -2. The solution is x = 12, y = 10.
C.
Multiply the second equation by 2. The solution is x = 15, y = 9.
D.
Multiply the second equation by 3. The solution is x = 12, y = 10.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:20, lizziesuks

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Answers: 2

continue

Mathematics, 21.06.2019 20:30, cupcake20019peehui

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

Answers: 1

continue

Mathematics, 22.06.2019 04:10, sarahgoff

Is by a(-4, 2), b(-2, 4), c(1, 3), d(2, 2).of ofto . of d′ if90° to a′b′c′d′ (-2, 2) of c″ if90° to a″b″c″d″ (4, -2) of a′′′ if° to a′′′b′′′c′′′d′′′ (3, -1) of b″ if° to a″b″c″d″ (4, 2)

Answers: 1

continue

Mathematics, 22.06.2019 05:00, silverns

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read

Answers: 3

continue

You know the right answer?

The elimination method is ideal for solving this system of equations. By which number must you multi...

Questions in other subjects:

Law, 16.12.2020 16:10

What reasons did the president give for justifying his claim of executive privilege?...

Social Studies, 16.12.2020 16:10

The president, Congress members, lobbies, and even private citizens can propose legislations, but they do so in different ways. Discuss the different ways that these people or grou...

Mathematics, 16.12.2020 16:10

Based on the teacher's opinion, she thinks there is about a 75% chance that all of the students will pass the State Department's End of Course Test....

History, 16.12.2020 16:10

The chart below provides details about the Articles of Confederation. Congress had no power to tax. Congress had no power to raise troops. Congress had no power to ? . There was no...

Mathematics, 16.12.2020 16:10

Maurice has a paper bag with three hard candies: two blueberries and one green apple. Yvonne and Kate ask if they can each have one. Yvonne closes her eyes and picks a candy from t...

History, 16.12.2020 16:10

Hypothesize and create a United Nations "UN" type of meeting between the three civilizations. With imagining that these three civilizations existed at the same time, create a peace...

Mathematics, 16.12.2020 16:10

Investors buy a studio apartment for $200,000 of this amount they have a down payment of $50,000 their down payment is what percent of the purchase price what percent of the purcha...

Mathematics, 16.12.2020 16:10

Lucinda lives .6 miles from the park. Angie lives 10 times as far from the city park as Lucinda. Stacy lives 1/10 of a mile further from the park than Angie. However, she lives 3/1...

Biology, 16.12.2020 16:10

When you use the same histone protein as your standard, you determine the histone protein concentration to be 5 mg/ml. Explain the discrepancy (pick ONE answer): (5 points) a. The...

Business, 16.12.2020 16:10

Norwood, Inc. purchased a crane at a cost of $80,000. The crane has an estimated residual value of $5,000 and an estimated life of eight years, or 12,500 hours of operation. The cr...

More questions: Mathematics Another questions