Mathematics, 03.12.2021 09:00 madisella021
Một ô tô chạy quãng đường 225 km trong 4,5 giờ. Với vận tốc đó thì xe chạy 150 km trong bao lâu
Answers: 3
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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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Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)
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Một ô tô chạy quãng đường 225 km trong 4,5 giờ. Với vận tốc đó thì xe chạy 150 km trong bao lâu...
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