subject
Mathematics, 21.09.2021 01:00 eldeldenali965

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? 4x-2y=7 3x-3y=15

Choices:
A) multiply the top equation by 1/3
B) Multiply the top equation by 3 and the bottom equation by 4
C) multiply the top equation by 3 and the bottom equation 2
D) multiply the top equation by -3 and the bottom equation by 2

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)−1 −50 −11 3g(x)g(x) = 2x − 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)
Answers: 3
question
Mathematics, 22.06.2019 01:30
When solving a logarithm equation, how do you find the missing variable ?
Answers: 2
question
Mathematics, 22.06.2019 01:30
As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?
Answers: 1
question
Mathematics, 22.06.2019 04:00
Ms. aniston asked seven students in her class to collect pet food cans for a local animal shelter. the dot plot shows the number of food cans collected by each student. each dot represents one student. what is the median of the data set? a. 6 b. 9 c. 7 d. 8
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
question
Computers and Technology, 24.07.2019 06:50
question
Mathematics, 24.07.2019 06:50
question
Mathematics, 24.07.2019 06:50
Questions on the website: 13722363