2 years ago

Help!! PLease someone

Mathematics

1 answer:

lawyer [7]2 years ago

7 0

It is 5 you just have to count

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Step-by-step explanation:

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Take the horse to overtake the

S_A_V [24]

Answer:

120 km/h

Step-by-step explanation:

Speed in one direction = 40 km/h
Speed on return = x
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<u>Average speed </u>

2d/(d/40 + d/x) = 60
d/40 + d/x = 2d/60
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2 years ago

What is the probability that a phone number generated using the digits 1, 2, 2, 4, 5, 5, 6, and 2 is the number 654-5222

pochemuha

Answer:

336 ways

Step-by-step explanation:

The digits are 1, 2, 2, 4, 5, 5, 6, and 2 that is total eight digits.

The number 654-5222 contains 7 digits.

So, we have find The number of permutations for choosing 7 digits from 8 digits given above.

This can be done in following ways

$\frac{8!}{3!\times2!}$ = $\frac{40320}{6\times2}$

= 336 ways

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