Which equations have the variable term isolated to one side of the equals sign, and the constant isolated to the other side, for the equation 1/5 x +1/3 = 1/2x + 8/3 ? Select all that apply
1. 1/5x-7/3=-1/2
2. 7/10x=7/3
3. -7/3=-7/10x
4. x=-5/2x+35/3
5. 0=-7/10x+7/3

7/10x =7/3

-7/3 =-7/10x

This is the answer cause I just took the test and these were the right answers.

x = central angle apc = measure of minor arc ac

the two angles x and 30 add to 180, so x+30 = 180 and x = 180-30 = 150. the measure of minor arc ac is 150 degrees.

what we need to do from here is find the circumference and then multiply it by x/360 since there are 360 degrees in a circle. in this case, x = 150, so x/360 = 150/360 = 15/36 = 5/12. the shortest distance along the curve from a to c is 5/12 of the distance around the entire circle (aka circumference)

c = circumference

c = pi*d

c = pi*24

c = 24pi

now multiply this by 5/12 to get

distance along minor arc ac = (5/12)*(circumference)

distance along minor arc ac = (5/12)*(24pi)

distance along minor arc ac = 10pi

the formula you can use is

l = (x/360)*pi*d

with

l = length of minor arc

x = central angle

d = diameter

which essentially is the steps we took though a bit differently.