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automaticloveletter
 one year ago
Variable c is 5 more than variable a. Variable c is also 3 less than variable a. Which pair of equations best models the relationship between c and a?
c = a − 5
c = a + 3
a = c + 5
a = 3c − 3
a = c − 5
a = 3c + 3
c = a + 5
c = a − 3
automaticloveletter
 one year ago
Variable c is 5 more than variable a. Variable c is also 3 less than variable a. Which pair of equations best models the relationship between c and a? c = a − 5 c = a + 3 a = c + 5 a = 3c − 3 a = c − 5 a = 3c + 3 c = a + 5 c = a − 3

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phi
 one year ago
Best ResponseYou've already chosen the best response.1Variable c is 5 more than variable a to change that into "math" you can think of "is" as meaning = so we can change "Variable c is" to c = now for the rest: : 5 more than variable a to figure this out, do you know what 5 more than 1 is ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1do you know what 5 more than 1 is ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1and 5 more than 2 is 7 how do you get 7 from 5 and 2. what do you do?

phi
 one year ago
Best ResponseYou've already chosen the best response.1the idea is to learn these tricks on how to translate the English to math.

phi
 one year ago
Best ResponseYou've already chosen the best response.1you know 5 more than 1 is 6 but how did you get 6?

phi
 one year ago
Best ResponseYou've already chosen the best response.1and how do you write 5 added to 1 ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1now we use letters, but the same idea 5 more than a

phi
 one year ago
Best ResponseYou've already chosen the best response.1in which case you get c= 5+a for the first equation it looks like the only choice with that equation is D we don't have to check the other equation, but it would be helpful (may as learn how to do this)

phi
 one year ago
Best ResponseYou've already chosen the best response.1Variable c is also 3 less than variable a. to get the idea, I would first use a number for "a" 3 less than 4 is 1 3 less than 5 is 2 so it looks like we are doing 43 or 53 or using "a" a3

phi
 one year ago
Best ResponseYou've already chosen the best response.1and the 2nd equation is c= a3 which again is choice D

automaticloveletter
 one year ago
Best ResponseYou've already chosen the best response.1I already knew that I just wanted someone else's opinion. Thanks either way. :]
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