C. 10r-3
Because 2r+5=7, the minus 6 and 7 which gives you 1 then minus 4 and 1 witch is 3 then you do 10r-3 and it will get you to 2r+5=7 again. I hope this helped!
Answer:
43 cm
Step-by-step explanation:
C = 2 * pi *r
86pi = 2 * pi *r
Canceling pi from each side
86 = 2r
Divide by 2
86/2 =2r/2
43 =r
Answer:
the fourth one
Step-by-step explanation:
hope it helped!!!
The answer is in the question
The anwser is 49 step by step