Answer:
Prob.3
Denote r: radius of circle O
Formula for calculating AOB sector:
Area = pi*r^2*angle/360
Area = pi*r^2*45/360 = 18 pi
=> r^2 = 18*360/45 = 144
=> r = 12
For prob.4, give it a try, follow the formula I gave. Good luck !
(answer : r = 6)
Answer:
25 months
Step-by-step explanation:
quick math
Answer:
324
Step-by-step explanation:
<u>Step 1: Find the sales tax
</u>
Equation → 300 * 0.08 = x
300 * 0.08 = x
24 = x
<u>Step 2: Find the total
</u>
Purchase + Sales Tax
300 + 24
324
Answer: 324
Answer:
8x-12
Step-by-step explanation:
Answer:
You chose the right one
Step-by-step explanation:
i hope this helps :)
