The perimeter of the semi-circular disc of radius 10.5 cm is 54 cm.
Answer:
41
Step-by-step explanation:
Given x = -2,
Substitute x into the expression.
Answer:
-3 degrees per hour
Step-by-step explanation:
This is because if you look at the graph at 7:20pm it is 47 degrees and at 8:20 pm it is 44 degrees
47-44=3