598
a. 39 b. 47 c. 49 d. 37
yes. 62 = 36 and 72 = 49
The simplest form for the fraction 72/98 is 36/49 (The GCF is 2)
49, 36, 25 and 64 are all squares of whole numbers. 64 = 82 49 = 72 36 = 62 25 = 52 The square root of 72 is not a whole number, but approximately 8.48. Thus 72 is the "odd one out".
36/37
Fractions that are not equivalent to 36/72 are 1/4, 3,8, 37/72, 7/9 and many, many others.
74/72 = (74/2) / (72/2) = 37/36
The factors of 22 are: 1, 2, 11, 22 . The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.
61/36
22/72 + 3/72 = 25/72
The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72. The factors of 22 are: 1, 2, 11, 22.
These are squares. 12 = 1 22 = 4 32 = 9 (it is missing 42 = 16) 52 = 25 62 = 36 The next one in the series is probably 72 = 49.