Answer:
y = (1/2) cos (x)
Step-by-step explanation:
It has the same period as cos x but only goes half as high and half as low. Normalyy, cos(x) goes up to 1 and down to -1.
Put both values into a ratio
P:B
28:79
Answer:
The height of the pool = 0.292 m
Step-by-step explanation:
For a right rectangular prism;
V = w*h*l
where; length (l) = 30 m
width (w) = 8 m
The volume v = 70 m
Thus; from V = w*h*l
The height of the pool = 
The height of the pool = 
The height of the pool = 0.292 m