jim an joe ran a relay race Jim had a time of 9.2 seconds Joe head at time of 10.32 seconds together how long did it take them to complete the race?

19.52 seconds

Step-by-step explanation:

9.2 seconds + 10.32 seconds = 19.52 seconds

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !