I need help on this math question.

Mathematics

1 answer:

Burka [1]3 years ago

8 0

Well i may be wrong but is jack dropped it 3 feet above that wouldnt count as part of the depth the depth would start once it hits the water. so 14-3 equals 11. the depth is 11 feet. 11 is an integer. if that makes sence

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joe and Eric have to ship 75 packages. Joe can do the job alone in 5 hours. if Eric helps, they get it done in 4 hours. How long

Umnica [9.8K]

Eric took 20 hours to do the job alone.

<u>Step-by-step explanation</u>:

<u>Given </u>:

Total work = 75 packages
Joe took 5 hours to complete the total work.

The amount of work Joe alone can do per hour = 75/5 = 15 packages.

The amount of work Joe and Eric together do per hour = 75/4 = 18.75

The amount of work Eric alone can do per hour = 18.75 - 15 = 3.75

The time Eric took to complete the entire work = 75 / 3.75 = 20 hours.

8 0

3 years ago

Probability of rolling factors of 20

Marizza181 [45]

If you are rolling a single six sided die numbered 1-6, you find that only 1,2,4, and 5 are factors of 20. Now the theoretical probability of an event is the ratio comparing the number of desired outcomes to the total outcomes possible.

In this case: we have 4 desired outcomes out of a total 6 outcomes possible with a single roll the die.. therefore, the probability you seek is $\frac{4}{6} = \frac{2}{3}$ or approximately 67%.