The depth of the water at the end of a pier changes periodically along with the movement of tides. On a
particular day, low tides occur at 12:00 am and 12:30 pm, with a depth of 2.5 m, while high tides occur at
6:15 am and 6:45 pm, with a depth of 5.5 m. Let t = 0 be 12:00 am.
How many times during this day is the depth at the end of the pier equal to 4 meters?

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.

it should be a.

hope it