subject
Mathematics, 30.07.2019 14:30 SoWhat2237

In order to solve the following system of equations by addition, which of the following could you do before adding the equations so that one variable will be eliminated when you add them? 2x-4y=5 6x-3y=10 a. multiply the top equation by -3 and the bottom equation by 2. b. multiply the top equation by -2. c. multiply the top equation by -3. d. multiply the top equation by 3 and the bottom equation by 4.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Find the difference (8ab+a+2) - (3ab+6)
Answers: 1
question
Mathematics, 21.06.2019 20:30
Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2
Answers: 2
question
Mathematics, 21.06.2019 22:00
Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota
Answers: 2
question
Mathematics, 21.06.2019 22:30
Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.
Answers: 1
You know the right answer?
In order to solve the following system of equations by addition, which of the following could you do...
Questions
Questions on the website: 13722367