Need help with math pls.
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Answers: 3
Mathematics, 21.06.2019 22:30
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
Mathematics, 22.06.2019 00:00
If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
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Mathematics, 22.06.2019 01:00
Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?
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Mathematics, 22.06.2019 02:00
Asap! will mark brainliest! ( respond asap, it's urgent! : )) what is the slope for equation y =-3x + 8
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