pops2545
30.06.2019 •
Mathematics
Chan hee bought 3.4 pounds of cheese that cost $6.95 per pound how much did he spend on cheese
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Ответ:
Ответ:
200
Step-by-step explanation:
Given that C(x) = 0.1
- 40x +9569,
complete the square, then C(x) = 0.1* (
- 400x) +9569
= 0.1 * (
- 400x + 
) +9569 - 
= 0.1 * (x - 200)^2 - 30431
so the answer is 200 machines