Mathematics, 04.02.2021 19:50 kerarucker12pe384k
To solve this system of equations by elimination, what operation could be used to eliminate the x-variable and find the value of y?
-6x-4y=2
-4x-7y=2
A) subtract 3 times the second equation from 2 times the first equation
B) subtract 2 times the second equation from 3 times the first equation
C) add 3 times the second equation to times the first equation
D) add 2 times the second equation to 3 times the first equation
Answers: 1
Mathematics, 21.06.2019 18:00
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
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Mathematics, 21.06.2019 18:00
Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)
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To solve this system of equations by elimination, what operation could be used to eliminate the x-va...
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