一道sat数学题!The total daily cost c,in dollars,of producing x un
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一道sat数学题!
The total daily cost c,in dollars,of producing x units of a certain product is given by the function c(x)5*(600x-200)/x*1k,where k is a constant and X#100.If 20 units were produced yesterday for a total cost of $640,what is the value of
641 13
The total daily cost c,in dollars,of producing x units of a certain product is given by the function c(x)5*(600x-200)/x*1k,where k is a constant and X#100.If 20 units were produced yesterday for a total cost of $640,what is the value of
641 13
我的中文也许有点拗口,请见谅,大概意思是:
某产品生产x见所需成本是c,x和c的关系是(就是题中的方程),方程中的k是个常数 (X#100 是什么?打错字了?) .如果生产20件产品需要成本640元,求常数 K=?
即 x = 20时 c = 640,求 k 的值.
清楚了吗?
我还回答了你另外一个SAT的题,如果你给我留言的话,我不能看到 (百度真晕...) 有问题在线找我,或者QQ.
某产品生产x见所需成本是c,x和c的关系是(就是题中的方程),方程中的k是个常数 (X#100 是什么?打错字了?) .如果生产20件产品需要成本640元,求常数 K=?
即 x = 20时 c = 640,求 k 的值.
清楚了吗?
我还回答了你另外一个SAT的题,如果你给我留言的话,我不能看到 (百度真晕...) 有问题在线找我,或者QQ.
一道sat数学题!The total daily cost c,in dollars,of producing x un
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