Acid solution A has a 50% acid concentration, and acid solution B has a 20% acid concentration. How many ounces each of solution A and solution B must be mixed to produce 100 ounces of an acid solution with a 41% acid concentration

answer: 20

step-by-step explanation:

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm