Each character in a password is either a digit [0-9] or lowercase letter [a-z]. How many valid passwords are there with the given restriction(s)? Length is 18 or 14.

Q: ow many unique ways are there to arrange the letters in the word PRETTY?

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Q: if these five numbers form a pattern such that the differernce between each pair of numbers is the…

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Q: x on numbers 120 40

A: Given query is to find the value of x.

Q: The number of different ways that the letters of jogging can be used

A: Permutation : A permutation is a possible rearrangement of objects.   There are…

Q: Find the number of 3-digit integers that are not divisible by 4, 5, or 6.

A: Find: The aim is to find a three digit number that are not divisible by 4,5, or 6.. Concept: The…

Q: integers

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Q: A North Dakota license plate has six characters: 3 digits followed by 3 letters (e.g. 123AAA). Any…

A: North Dakota license plate has 6 characters: First we will choose 3 digits: Since between 0-9 there…

Q: I need help with 13

A: By Mean value theorem, if a function f is differentiable on a, b, then there exist c∈a, b such that…

Q: A number is divisible by 2 if

A: A number is divisible by 2 if

Q: For each of the pairs of numbers that follow, find a number in between the two numbers.  Label the…

A: Given numbers are 12.54 and 12.541Using formula, a+b2 to find the number in between 12.54 and…

Q: An IP address can be written as a 32-bit number. For a class B network, the two most significant…

A: Given that : An IP address can be written as a 32 bit number for a class B network the two most…

Q: 14. The digits 6, 2, 3 and 8 are each written on a separate sheet of paper. The number of 2-digit or…

A: The total possible two-digit numbers are given by the value of 4P2. Total possible two-digit numbers…

Q: You are asked to create a six character password and each character can be any of the 26 letters of…

A: Given: Number of alphabets=26 Number of numerical 2 through 9=8 Total number of characters, n=34 The…

Q: If a number is divisible by 121, is it divisible by 11?

A: Given. We need to find if a given number is divisible by 121 then whether it is divisible by 11 or…

Q: Find the g.c.f. and l.c.m. of the set of numbers. {2, 4, 10, 36} g.c.f.       l.c.m.

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Q: 14 25 as a mixedm ue hum ber ?

A: given fraction 1425numerator =14denominator =25since numerator<denominator (14<25)

Q: The digits 1, 2, 3 and 4 can be arranged to form different four-digit codes. a. Find the number of…

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Q: Use the numbers 5 and 4 to illustrate the commutative property of multiplication.

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Q: Each user on a computer has a password, which is six to eight characters long, where each character…

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Q: License plate numbers in a certain state consists of seven characters. The first character is a…

A: Given information :  License plate numbers in a certain state consists of seven characters. The…

Q: Evaluate the expressions  32 4/5 and 81 1/4

A: Given data÷

Q: Which phrase (if any) states the condition in this statement: How many different arrangements of…

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Q: Choose the correct elements in the set for the following: {y | y is an integer and y > -5}

A: Let A ={y | y is an integer and y > -5}. By the definition of the set A it is clear that every…

Q: What is the inverse of the statement:  "A number divisible by 6 and 9 is divisible by 3"?

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Q: Draw a circuit for the expression x=AB+AC+D

A: For the circuit of the given expression  AND and OR gates will be used Where A,B,C,D are the inputs…

Q: Evaluate the expression x 6 ÷ x 8 7 4 + ÷ 4 1 3 in prefix notation. -

A: The objective is to evaluate the expression un prefix notation - × 6 ÷ × 8 7 4 + ÷ 4 1 3

Q: Perform the indicated operation (w/o calculator). 5 + (-6) and (-3)² + 6.5((-2) – 2(-4 + 7))

A: Calculate the expressions        -5+(-6)3 and (-3)2+6.5((-2)-2(-4+7))