<u>Given</u><u> </u><u>:</u><u>-</u>
<u>To </u><u>Find</u><u> </u><u>:</u><u>-</u>
- The input when output is 21 .
<u>Answer </u><u>:</u><u>-</u>
The given function is ,
Substitute f(x) = 21 ,
- 21 = 2x + 5
- 21 - 5 = 2x
- 16 = 2x
- 16/2=x
- x = 8
Just divide the number of remaining pies by 3, and you will have the answer.
Answer: K= 5
Step-by-step explanation: Hope this helps! :)
Step-by-step explanation:
Angle b + 100 = 180 (angles on the same straight line)

Angle c = Angle b (Vertically opposite angles)
= 80 deg