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anonymous
 3 years ago
You can model the populationof a certain city between the years 1995 and 2000 by the radical function P(x) = 55000 sqrt(x  1945). Using this model, in what year was the population of that city 275,000?
a. 1970
b. 1966
c. 1964
d. 1975
anonymous
 3 years ago
You can model the populationof a certain city between the years 1995 and 2000 by the radical function P(x) = 55000 sqrt(x  1945). Using this model, in what year was the population of that city 275,000? a. 1970 b. 1966 c. 1964 d. 1975

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[275000=55000\sqrt{x1945}\] calc x

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Would I subtract 55000 from 275,000?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0no divide both sides by 55000

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Do u know the 'BODMAS' concept ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0so \[5 = \sqrt{x1945}\]

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0No, I only know PEMDAS

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0The 'BODMAS' concept tells u the order u should follow when simplifying. The order is from top to bottom. B= Brackets ( ) O= Of D= Divide M= Multiplication A= Addition S= Substraction

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Okay, but if there is a square root sign, like this one, then how do I know what to do?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\[5^{2} = (x1945)^{2}\] right ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0so \[25 = x  1945 ?\]

Goten77
 3 years ago
Best ResponseYou've already chosen the best response.1no... squaring the ride side gets rid of the square root

Goten77
 3 years ago
Best ResponseYou've already chosen the best response.1well yes 25=x1945 *u had it written different 1 comment b4*

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Oh sorry, then would I add 1945 to 25 and then it will give me x ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0So x = 1970 ? so the answer would be A ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Okay thanks for your help! (:
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