math
posted by Jared .
5 3/4 + 6 2/4= 11 10/8 then I am not sure what to do from here?

math 
Reiny
5 3/4 + 6 2/4
= 23/4 + 26/4
= 49/4 or 12 1/4
don't know why you switched the denominators to 8, they were both 4, so that is your LCD
from your answer of 11 10/8
the 10/8 = 5/4 = 1 1/4
add that to your 11 and you would have the correct answer.
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5 3/4 + 6 2/4 = 11 10/8 not sure what do from here? 
Math
If (x  2)^2 = 49, then x could be (A) 9 (B) 7 (C) 2 (D) 5 (E) 9 (x  2)^2 = 49 (x  2) (x  2) = 49 x^2  2x  2x + 4 = 49 x^2  4x + 4  4 = 49  4 x^2  4x = 45 I am not sure what to do from here.