Answer:
11.8
Step-by-step explanation:
3(12.4) + 6(11.5) = 37.2 + 69 = 106.2
106.2/9 = 11.8
Answer:
1120 cm^3
Step-by-step explanation:
Volume of the ice cube = B * h
B = 20 cm^2
h = 4 cm
Volume = 20 * 4 = 80 cm^3
This volume is for one cube holder in the tray.
There are 7 * 2 such holders
There are 14 holders
Total volume of the holders =
14 * 80 =
1120 cubic cm
Answer:
- 5
Step-by-step explanation:
The opposite of 7c is the negative of 7c, that is - 7c
Thus the sum of 7c - 5 and the opposite of 7c is
7c - 5 + (- 7c) = 7c - 5 - 7c = - 5
