When both copying machines A and B are working, secretaries can make 83 copies in one minute. In one minute's time, copiers A and C together produce 95 copies, and all three working together produce 129 copies. How many copies per minute can each machine produce separately?
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Please enter your answer in the form a = , b = , c = , where a, b, c are the productivity of the A, B, C without the units.
What will be an ideal response?
Mathematics
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
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Translate the word phrase into an algebraic expression. Explain what the variable represents.The difference of the number of calories and 29
A. 29 + C, where C represents the number of calories B. 29 - C, where C represents the number of calories C. 29C, where C represents the number of calories D. C - 29, where C represents the number of calories
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Change the percent to a decimal.
%
A. 0.46 B. 0.0046 C. 460 D. 0.046
Mathematics