A compass is used to copy an angle.
Let r be Ron's age.
let m be Mike's age.
m=r+4
m+r=84
m=84-r
r+4=84-r
2r=80
r=40
m=44
Ron is 40 and Mike is 44
Step-by-step explanation:
0.89 = 1 - 1/(k²)
Start by subtracting 1 from both sides:
0.89 - 1 = -1/(k²)
-0.11 = -1/(k²)
Multiply both sides by -1:
0.11 = 1/(k²)
Multiply both sides by k²:
0.11 k² = 1
Divide both sides by 0.11:
k² = 1 / 0.11
Take the square root:
k = √(1 / 0.11)
Answer:
C
Step-by-step explanation:
Could you help me on my history please