subject
Mathematics, 11.10.2021 17:00 tejasheree

Question 9 of 10 In order to solve the following system of equations by subtraction, which of
the following could you do before subtracting the equations so that one
variable will be eliminated when you subtract them?
4x – 2y=7
3x – 3y=15
A. Multiply the top equation by-3 and the bottom equation by 2.
B. Multiply the top equation by 15 and the bottom equation by 7.
C. Multiply the top equation by 3 and the bottom equation by 4.
D. Multiply the top equation by 1/3.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?
Answers: 2
question
Mathematics, 21.06.2019 19:00
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
question
Mathematics, 21.06.2019 20:00
How does the graph of g(x)=⌊x⌋−3 differ from the graph of f(x)=⌊x⌋? the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted right 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted up 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted down 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted left 3 units.
Answers: 1
question
Mathematics, 21.06.2019 22:30
Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120
Answers: 1
You know the right answer?
Question 9 of 10 In order to solve the following system of equations by subtraction, which of
Questions
question
English, 16.12.2021 14:00
question
Engineering, 16.12.2021 14:00
Questions on the website: 13722360