Determine first the places that will be filled:
26 + 26 + 10 = 62 ways
The number of possible passwords is limited to 12 characters
Thus,
= 62^12 (assume that repetition is allowed)
The probability of guessing correctly =
(1/62)^12
= 3.099557704 x 10^-22 (note that it is in scientific notation form)
Answer: 250+3x
Step-by-step explanation: 250 for the bus and the students is $3 each so the students could be x.
Answer:
23
Step-by-step explanation:
Because the angles of a triangle always add up to 180°, you can set up an equation like this.
Answer:x>2
Step-by-step explanation:
4x/4>8/4