Answer:
D
Step-by-step explanation:
i hope you uderstand stand why it D
Well round them so the estimation would be 520,(for hundred) and 520 (for tens)
Answer:
101
Step-by-step explanation:
To get the largest weighted sum, you want to give the largest weight to the largest possible digit.
Max( ) = 7·9 +3·8 +2·7 = 63 +24 +14 = 101 . . . . (x, y, z) = (7, 8, 9)
The maximum sum is 101.
Answer:
r = 152/55
Step-by-step explanation:
122 - 44r = - 30 + 11r
122 - 44r - 11r = - 30
- 44r - 11r = - 30 - 122
- 55r = - 30 - 122
- 55r = - 152
(n+1)x 2=10
2n+2=10
2n=8
n=4
