Mathematics, 27.06.2019 05:40 guzmangisselle
Asystem of equations is shown below. 2x + y = 9 x + 3y = -13 which sequence of operations would produce the correct x- or y-value of the solution to this system of equations? multiply the second equation by –1 and add the result to the first equation to eliminate x and solve for y multiply the first equation by –3 and add the result to the second equation to eliminate y and solve for x multiply the second equation by and add the result to the first equation to eliminate the constant and solve for x and y multiply the first equation by 3 and add the result to the second equation to eliminate y and solve for x
Answers: 2
Mathematics, 21.06.2019 19:30
Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11
Answers: 1
Mathematics, 21.06.2019 21:30
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
Answers: 1
Mathematics, 21.06.2019 23:00
Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
Answers: 1
Asystem of equations is shown below. 2x + y = 9 x + 3y = -13 which sequence of operations would prod...
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