4) Arrange the following rational numbers in the descending order:
1) 2/-3, -4/9, -5/12, 7/-18
2) 3/-4, -5/12, -7/16, 9/-24
Answers
Step-by-step explanation:
to do so, we first equalize denominators of all rational numbers....
we should find out the common factor of all rationals...
1) 2/-3 × -12/12 = -24/36
-4/9 × 4/4 = -16/36
-5/12 × 3/3 = -15/36
7/-18 × -2/2 = -14/36
so, we can find descending order now easily,
-14/36, -15/36, -16/36, -24/36
=-7/18, -5/12, -4/9, 2/-3
2) 3/-4 × -12/12 = -36/48
-5/12 × 4/4 = -20/48
-7/16 × 3/3 = -21/48
9/-24 × -2/2 = -18/48
as usual,
-18/48, -20/48, -21/48, -36/48
= 9/-24, -5/12, -7/16, 3/-4
HOPE THIS HELPS U.......
AND U FELT HAPPY........
I DID IT WITH MY PLEASURE......
Answer:
-3 / 4 , 5 / 12 , - 7 / 16 , 9 / - 24
= > - 3 / 4 , 5 / - 12 x ( -1 ) ( -1 ) , -7 , 16 , 9 , 16 x ( -1 ) ( -1 ) .
= > - 3 / 4 , - 5 / - 12 , -7 / 16 , - 9 / 24 .
= > - 3 / 4 = - 3 x 12 , 4 x 12 = - 36 / 48 .
= > - 5 / 12 = - 5 x 4 , 12 x 4 = - 20 / 48 .
= > - 7 / 16 = - 7 x 3 , 16 x 3 = -21 / 48 .
= > - 9 / 24 = - 9 x 2 , 24 x 2 = - 18 / 48 .
- 36 / 48 < - 21 / 48 < - 20 / 48 < - 18 / 48 .
- 3 / 4 < - 7 / 16 < - 5 / 12 < - 9 / 24 .
Step-by-step explanation: