2.

Mathematics

1 answer:

serg [7]4 years ago

7 0

Answer:

They will reach after 26 hours i.e tomorrow noon

Step-by-step explanation:

Start time = 10 a.m

Starting point marker = 2 mile

End point = 80 miles

Distance to be traveled = 80 - 2 = 78 miles

Average speed = 3 miles per hour

Now,

Time = $\frac{\textup{Distance}}{\textup{Speed}}$

Time = $\frac{78}{3}$

Time = 26 hours

Therefore,

They will reach after 26 hours i.e tomorrow noon

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adelina 88 [10]

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Each user has a password 6 characters long where each character is an uppercase letter, a lowercase letter, or a digit. Each pas

Lana71 [14]

Answer:

$36^{6} -26^6$

Step-by-step explanation:

We have 36 characters in total which we can use in order to form a 6 character password.

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$36*36*36*36*36*36=36^6$

But, we have to exclude all passwords which have no numbers because, by the task, the password must contain at least one digit.

So, now we have choice of 26 characteristic to form password without digits and get $26^6$ passwords like that, contained just of letters without digits.