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hal_stirrup
 3 years ago
y=2375x+18000 at what value of x would y be less than 1400.
hal_stirrup
 3 years ago
y=2375x+18000 at what value of x would y be less than 1400.

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mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0is that 14000 or r u sure about 1400.

WhiiteRussian
 3 years ago
Best ResponseYou've already chosen the best response.1Set y as 1400 and solve for x 1400=2375x+18000 2375x=16600 x=7 Since the slope is negative, x has to be greater than 7 (if you draw the graph you will see)

mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0When will be y = 1400 ? first of all , let y =1400 1400 = 2375x + 18000 1400  18000 = 2375 x x = 6.98 so at x = 6.98 (approx. => x = 7) y will be 1400

mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0May be I am wrong .. satellite73 may correct me

WhiiteRussian
 3 years ago
Best ResponseYou've already chosen the best response.1You could also arbitrarily plug in points greater or less than 7 and less than 7 to check the solution

mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0I meant x = 6.98 there

WhiiteRussian
 3 years ago
Best ResponseYou've already chosen the best response.1mathslover, the answer would round up anyways, even at 2 significant digits. anyways i already posted the solution

hal_stirrup
 3 years ago
Best ResponseYou've already chosen the best response.0my text book gives x=8
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