The formula for arc length is s=r*angle theta where s is the arc length, r is the radius, and angle theta is central angle formed by the arc in radians.
In this case, the angle would be s/r or 4.2/4 which is 1.05 radians. We have to convert this into degrees and so you would multiply 1.05 by (180/pi) which results in approximately 60 degrees. Remember, if you want to convert radians into degrees, the conversion factor is 180/pi and for degrees into radians, it is pi/180.
D.30x+15y please help with me thanks. C:
3n(n stands for nights)+2b(b stands for baseball tickets)=$645
5n+4b=$1135
6n+4b=$1290
n=$1290-$1135
=$155
b=($645-($155*3))/2
=$90
The answer would be 3
g(a)=3^3a-2 and find g(1)
3^3(1)-2
equal: 3
