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3 years ago

13

a ferry boat leaves the dock once per hour your waiting time for the next ferry will follow a uniform distribution from 0 to 60

minutes

1 answer:

olga55 [171]3 years ago

3 0

Ok but what is the question

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I am arranging my dog's collars on a 6 hanger coat rack on the wall. If she has six collars, how many ways can I arrange the col

Irina18 [472]

Answer:

720 ways to arrange

Step-by-step explanation:

Use the factorial of 6 to find this solution. Namely, 6!

This means 6*5*4*3*2*1 which equals 720

It seems like a huge number, right? But think of it like this: For the first option, you have 6 collars. After you fill the first spot with one of the 6, you have 5 left that will fill the second spot. After the first 2 spots are filled and you used 2 of the 6 collars, there are 4 possibilities that can fill the next spot, etc.

7 0

3 years ago

Read 2 more answers

Write a subtraction fact with the same difference as 16-7

Alex73 [517]

Answer:

10-1

Step-by-step explanation:

8 0

3 years ago

If you make x dollars per hour and you work 8 hours, how much money will you make?

NemiM [27]

You would make X amount of dollars. I can’t give you an exact amount of money because you didn’t tell me how much you make per hour!

7 0

3 years ago

Someone please explain the solution to this :

juin [17]

Answer: 17.5 units.

Step-by-step explanation:

The triangle LAY is a similar triangle to LYW. It has the same angle measures, but different side lengths. The hypotenuse of LAY is the line LY, while the hypotenuse of LYW is the line LW.

We can use the line LY to find LW.

Use the Pythagorean Theorem to find LY:

(3.5)^2 + 7^2 = 61.25

So, LY has a length of $\sqrt{61.25}$ .

You can then use proportions to find the distance of LW.

The line LA is the base of the smaller triangle, and the line LY is the base of the larger triangle.

The line LY is the hypotenuse of the smaller triangle, and the line LW is the hypotenuse of the larger triangle.

$\frac{3.5}{\sqrt{61.25} } =\frac{\sqrt{61.25} }{y}$

You can then cross multiply to get this equation:

$61.25 = 3.5y$

So, the line LW has a length of 17.5.

3 0

3 years ago

Jack has a mask collection of 500 masks. He keeps 235 of the masks on his wall. What percentage of Jack's mask collection does h

marta [7]

Answer:

47%

Step-by-step explanation:

First we need to find the ratio of masks on Jack's wall to the total number of masks, which is 235/500. Now we need to make the denominator 100 in order to find the percentage by dividing the numerator and denominator by 5 to get 47/100. Therefore the percentage of Jack's mask collection that is on his wall is 47%.

3 0

2 years ago