Answer:
9pi
Step-by-step explanation:
circumference= 2 (pi) (r)
radius = diameter \ 2
r = 9 \ 2 = 4.5in.
c = 2 (pi) (4.5)
c = 9pi or 28.3in.
Hope this helps!
Answer:
Step-by-step explanation:
cos 43=cos (90-47)=sin 47
Answer:
The answer is -86
Step-by-step explanation:
-7 squared is 49
49 × 2 = 98
12-98= -86
Answer:5464
Step-by-step explanation:
Hello! So because the value in the parenthesis is less than one, this represents exponential decay. 0.75 is 75% in decimal form. Percents are parts of 100. let's multiply that number from 100. 100 - 75 is 25. There. The rate of depreciation is 25%.
