Mathematics, 03.07.2019 07:30 b2cutie456
Solve the system using substitution. 4x + y − 2z = 18 2x − 3y + 3z = 21 x − 3y = 6 the solution to the system of three linear equations is the ordered triple (x, y,z) .
Answers: 1
Mathematics, 21.06.2019 13:00
The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.
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School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
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Mathematics, 21.06.2019 19:00
Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers
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Solve the system using substitution. 4x + y − 2z = 18 2x − 3y + 3z = 21 x − 3y = 6 the solution to t...
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