Step-by-step explanation:
perimeter of semicircle=πr+2r

Use the rule of 3, note that we will convert the hours to minutes:
60 - 84
75 - x
(75 * 84) / 60 = x
6,300 / 60 = x
105 = x
105 minutes = 1h 45m
Hope it helped,
Happy homework/ study/ exam!
Hello,
xy+xz=100==>x(y+z)=100
x/5*(3y+3z)+10=3/5*(x(y+z))+10=3/5*100+10=70
Answer C
Answer:
8x - 1
Step-by-step explanation:
3x +5x - 1
8x - 1
This is correct