can someone help plz

Answer:

I would say about a billion because numbers can be put in any combination

Step-by-step explanation:

EXAMPLES:

012345678

023456781

034567812

045678912

123456780

234567801

345678012

456780123

567801234

678012345

780123456

801234567

123456789

234567891

345678912

456789123

567891234

678912345

789123456

891234567

912345678

There are 3,628,800 possible ways to create passwords .

Permutations are different ways of arranging objects in a definite order. It can also be expressed as the rearrangement of items in a linear order of an already ordered set.

The symbol [tex]P_{r} ^{n}[/tex] = [tex]\frac{n!}{(n-r)!}[/tex]

is used to denote the number of permutations of n distinct objects, taken r at a time.

According to the question

Website requires users to create a password consisting of digits only.

i.e  Digits are:

0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 7 , 8 , 9 = total 10 digits

no digit may be repeated and each password must be at least 9 digits.

i.e Digits taken at a time is 9 with no repetitions

Now ,

Applying permutation

[tex]P_{r} ^{n}[/tex] = [tex]\frac{n!}{(n-r)!}[/tex]

substituting the value

n = 10

r = 9

[tex]P_{9} ^{10}[/tex] = [tex]\frac{10!}{(10-9)!}[/tex]

[tex]P_{9} ^{10}[/tex] = 10!

     = 3,628,800

Hence, There are 3,628,800 possible ways to create passwords .

To know more about  permutations here:

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Answer:

B. ½

Step-by-step explanation:

____________________

Answer:

29 in.²

Step-by-step explanation:

2 in. × 2 in. = 4 in.²

3 in. × 5 in. = 15 in.²

2 in. × 5 in. = 10 in.²

4 in.² + 15 in.² + 10 in.²

29 in.²

Answer:

10 Sorry if wrong!

Step-by-step explanation:

40×0.25=10

Answer:

25/100 x 40 = 10

Step-by-step explanation:

The keyword 'of' means multiplication

Consider a percent out of 100, a way to remember is that the root word 'cent' means 100.

Answer:

n = 12.5t

Step-by-step explanation:

add up the calories burned in both days

275 + 450 = 725

add up the minutes running on both days

22 + 36 = 58

divide calories by minutes

725 calories/58 minutes = 12.5 calories/1 minute

So 12.5 multiplied by any number of minutes tells you how many calories you burned

The number of calories you burned is dependent on the number of minutes you ran.

Answer:

B. 4n²+11n-6

Step-by-step explanation:

________________

Answer:

x=20

Step-by-step explanation:

x-1 = 19

Add 1 to each side

x-1+1 = 19+1

x=20

Answer:

x = 20

Step-by-step explanation:

x - 1 = 19

Add 1 to both sides

x = 20

By Question it's given that the sum of two numbers is 15 . And we need to find out the numbers. So ,

Let us take :-

According to the Question :-

[tex]\sf\implies x + x +1=15\\\\\sf\implies 2x = 15-1\\\\\sf\implies 2x =14 \\\\\sf\implies x =14/2 \\\\\sf\implies\red{ x = 7 }[/tex]

Therefore :-

Hence the two numbers are 7 and 8.

Let the number is X

So the equation will be X-5 = 15

Answer:

B is correct

Step-by-step explanation:

Answer:

x=34[tex]\sqrt{2}[/tex]

y=34[tex]\sqrt{3}[/tex]

Step-by-step explanation:

Answer:

B,C,E your welcome

Step-by-step explanation:

Answer: b e and c hope this was useful

This is a classic proof of the Pythagorean Theorem!

Pythagorean theorem is a^2 + b^2 = c^2. With a square, its area is its side length squared. Therefore, if we think about this as squares, then the sum of the area of square X and square Y will be equal to the sum of square Z.

Looking at your answer choices, the best option is C - The number of tiles needed to cover Region Z is the same number of tiles needed to cover both Region X and Region Y.

Hope this helps!! :)

Answer: 40%

Step-by-step explanation:

I took the k12 test lol

Answer:

0.04

Step-by-step explanation:

Answer:

Step-by-step explanation:

The line crosses with y-axis when x = 0:

The y-intercept is the required point and its coordinates are (0, 7)

Answer:

m<D = 14

Step-by-step explanation:

Exterior angles thm:

83 + 6x - 4 = 21x + 4

6x + 79 = 21x + 4

6x - 21x = 4 - 79

-15x = -75

x = 5

m<D:

6x - 4

6(3) - 4

18 - 4

14

Answer:

take care everyone be safe

stay home , stay safe

take vaccination

Answer:

160:10

100:x

160x=1000

x=1000/160

x= $6.25

Answer:

C

Step-by-step explanation:

Answer:

-8 x 2/3

=–16/3.

or -5⅓

Have a great day!

Answer:

Step-by-step explanation:

The surface area of a square pyramid = 1/2 * slant height * base perimeter + area of base

 The slant height is 5 cm

The base perimeter is 4 * 5 cm = 20 cm

The area of the base is 5 cm * 5 cm = 25 cm**2

Plugging into the formula the area =

1/2 * 5 cm * 20 cm + 25 cm**2 =

5 cm * 10 cm + 25 cm**2 =

50 cm**2 + 25 cm**2 = 75 cm**2

Answer:

A

Step-by-step explanation:

got it right

The solution to this equation log₆(x) + log₆(3) = log₆( x+1) is x = 1/2.

A logarithm is an exponent or power to which a base must be raised in order to produce a given number. If aˣ = n, then x is the logarithm of n to the base a, which is expressed mathematically as x = logₐn.

We know that logₐx + logₐy = logₐ(xy)

Here, log₆(x) + log₆(3) = log₆( x+1)

i.e. log₆(3x) = log₆( x+1)

i.e. 3x = x + 1

i.e. 3x - x = 1

i.e. 2x = 1

i.e. x = 1/2

Therefore, the solution to this equation log₆(x) + log₆(3) = log₆( x+1) is x = 1/2. So, option A is correct.

Learn more about logarithm here -

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Answer: El grado de una ecuación lo marca el monomio (o término) de mayor grado absoluto. 5x + 3 = 2x + 1 Ecuación de primer grado (cada término posee solo una incógnita y su exponente es uno) . 5x + 3 = 2x 2 + x Ecuación de segundo grado.

Answer:

B. C. and D.

Step-by-step explanation:

Answer:

70%

Step-by-step explanation:

4 blue tiles A

6 red tiles A

2 red tiles B

8 blue tiles B

total: 20

total B: 2 + 8 = 10

total blue, not B: 4

p(B or blue) = (10 + 4)/20 = 0.7 = 70%