Mathematics
Mathematics, 29.05.2021 21:40, lavardamon123

Question 2 of 10 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
бx — Зу = 10
A. Multiply the top equation by 3 and the bottom equation by 4.
O
B. Multiply the top equation by -3 and the bottom equation by 2.
ОО
C. Multiply the top equation by - Zing
D. Multiply the top equation by-3.
O
SUBMIT

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:30, Angelanova69134
Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 1
image
Mathematics, 21.06.2019 22:40, zachstonemoreau
Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?
Answers: 2
image
Mathematics, 21.06.2019 23:00, kobiemajak
Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.
Answers: 1
image
Mathematics, 21.06.2019 23:30, sindy35111
Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?
Answers: 1
Do you know the correct answer?
Question 2 of 10 In order to solve the following system of equations by addition, which of the

Questions in other subjects:

Konu
Arts, 01.12.2020 16:20