14. a ball is thrown upward with a speed of 30 m/s. approximately how much time goes it take
the ball to travel from the release location (a) to its highest point (b)? approximately how much
total time is the ball in the air before it returns toback to its original height (c)?

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

is means division by fractions

step-by-step explanation:

1 1/5

step-by-step explanation:

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