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Mathematics, 26.05.2020 18:01 coco6687
What is the sign of 3xy when x > 0 and y <0?
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А
Positive
B
Negative
С
Zero
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The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
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What is the sign of 3xy when x > 0 and y <0?
Choose 1
А
Positive
B
N...
Choose 1
А
Positive
B
N...
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