Simplify the following expressions. Assume all variables represent positive real numbers.
1. 9√242
A.20√2
B.198
C.96√2
D.99√2
2.√2 2/5 x √1 2/3
A.√1/2
B.4
C.2
D.√3
2007-05-14 06:35:39 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
9√242 = 9√2.121 = 9√2.11.11 = 99√2
So D is the right answer.
2. √2 2/5 x √1 2/3
√12/5 x √5/3 = √60/15 = √4 = 2
C is the right answer.
2007-05-14 06:43:15 · answer #1 · answered by Swamy 7 · 0⤊ 0⤋
I got the answer for number 1 but I cannot get the answer for number 2.
2 and the square root of 242.
9 and square root of 2 and the whole number 11.
11X9=99
99 and the square root of 2.
I do not know the answer to number 2.
2007-05-14 13:57:39 · answer #2 · answered by Kandice F 4 · 0⤊ 0⤋
1. 9â242=99â2. letterD
2.â2 2/5 x â1 2/3=2.â2/5*2.â3/3 =4.â6/15
A.â1/2
B.4
C.2
D.â3
2007-05-14 13:44:59 · answer #3 · answered by Anonymous · 0⤊ 0⤋
DO YOUR OWN HOMEWORK!
2007-05-14 13:51:22 · answer #4 · answered by The Prince 6 · 0⤊ 0⤋