Answer:
2 17/20 kg
Step-by-step explanation:
2 1/4 + 3/5
Find the common denominator (20)
12/20
2 5/20
change to a mixed number
45/20
45/20+12/20 = 57/20
2 17/20 kg
The temperature of water that was boiled as it is left in a room at room temperature over a period of time.
Answer:
50%
Step-by-step explanation:
The mean ideally should be in the exact middle
Answer:
Step-by-step explanation:
a) 6 out of 10 are shaded. 6/10 = 60/100 so it is 60%
b) 11 out of 20 are shaded. 11/20 = 55/100 so it is 55%
Answer:
C
Step-by-step explanation:
Base area = n^2
V = (base area * height)/3 = (n^2 *(n-1)/3 = 1/3n^2(n-1)