Mathematics, 18.02.2021 16:20 kingkush85
PLEASE HELP ASAP WILL GIVE BRAINLIEST TO WHOEVER ANSWERS FIRST!!Which of the following is the most direct first step in solving the system of equations
below using the elimination method?
4x + y = -3
2x - y=5
That is, which of the following would be the first step in a method that would require
the fewest number of steps?
ะ. multiplying the first equation by -2
B. multiplying both equations by 2
ะก. adding the two equations together
D. multiplying the second equation by -2
Answers: 3
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Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Mathematics, 22.06.2019 00:00
Two consecutive negative integers have a product of 30. what are the integers?
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Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)
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Mathematics, 22.06.2019 02:20
The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?
Answers: 2
PLEASE HELP ASAP WILL GIVE BRAINLIEST TO WHOEVER ANSWERS FIRST!!Which of the following is the most d...
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