Mathematics
Mathematics, 09.02.2021 23:10, kaylynchalman

Dox needs to solve the system of equations below. 4x + 5y = 7 2x – 3y = 9 He decides to use the elimination method to cancel out the x terms in order to first solve for y. Dox uses the following steps: Step 1: 4x + 5y = 7 -2(2x) - 3y = 9 Step 2: 4x + 5y = 7 -4x - 3y = 9 Step 3: 2y = 16 Step 4: y = 8 Did Dox use the correct steps to solve for y?

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:30, krystinayagel013
Trevor and marissa together have 26 t-shirts to sell. if marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. identify the if-than moves in your solution
Answers: 1
image
Mathematics, 21.06.2019 15:00, angie07253
Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar
Answers: 3
image
Mathematics, 21.06.2019 17:20, damonsmith201615
Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?
Answers: 3
image
Mathematics, 21.06.2019 18:00, WonTonBagel
You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?
Answers: 1
Do you know the correct answer?
Dox needs to solve the system of equations below. 4x + 5y = 7 2x – 3y = 9 He decides to use the elim...

Questions in other subjects: