Please help I have the answers I just need the work and steps pls!!!

Answer:

1/126

Step-by-step explanation:

Answer attached, I hope this is the answer.

the sum of every pair of neighboring digits is odd must be odd number and even number in the neighbor. (different parity)

The fraction of all the 10-digit numbers with distinct digits that have the property that the sum of every pair of neighboring digits is odd is 1/126.

A fraction is written in the form of a numerator and a denominator where the denominator is greater that the numerator.

We have two types of fractions.

Proper fraction and improper fraction.

A proper fraction is a fraction whose numerator is less than the denominator.

An improper fraction is a fraction where the numerator is greater than the denominator.

Example:

1/2, 1/3 is a fraction.

3/6, 99/999 is a fraction.

1/4 is a fraction.

We have,

For a 10-digit number to have the property that the sum of every pair of neighboring digits is odd, the digits must alternate between odd and even numbers.

Specifically, if the first digit is odd, then the second digit must be even, the third digit must be odd, the fourth digit must be even, and so on.

If the first digit is even, then the second digit must be odd, the third digit must be even, the fourth digit must be odd, and so on.

There are 5 odd digits and 5 even digits, so there are 5 choices for the first digit. After selecting the first digit, there are 5 choices for the second digit (it must be one of the other type), 4 choices for the third digit (it must be the opposite type of the second digit), 4 choices for the fourth digit (it must be the opposite type of the third digit), and so on.

Therefore, the number of 10-digit numbers with distinct digits that have the given property is:

5 x 5 x 4 x 4 x 3 x 3 x 2 x 2 x 1 x 1 = 5! x 4!

where the factorials arise from the number of choices for each digit.

The total number of 10-digit numbers with distinct digits is:

10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 10!

Therefore, the fraction of all the 10-digit numbers with distinct digits that have the given property is:

(5! x 4!) / 10! = (5! x 4!) / (10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1) = 1/126

Thus,

The fraction of all the 10-digit numbers with distinct digits that have the property that the sum of every pair of neighboring digits is odd is 1/126.

Learn more about fractions here:

https://brainly.com/question/24370499

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a

we have (-5-1;-3-2) so answer is A

Step-by-step explanation:

hey, hope this helps and right

Answer:

57mm

Step-by-step explanation:

C=2(pi)(r)

C=2(3.14)(9)

C=56.52

rounding up, its 57mm

Answer:

I'm pretty sure it is B...

Step-by-step explanation:

I am on that question on edge and i'll let you know if it is correct after I submit it.

Answer:

B. (-100,100)

Step-by-step explanation:

Answer:

If you comment fractions I will do them!

Step-by-step explanation:

Across:

A = 46

E = can't see the fraction

H = 2111

I = 64

J = 29

L = can't see the fraction

P = 55005

R = can't see the fraction

S = 21

T = 49

U = 308

V =129

X = can't see the fraction

Y = 4008

Z = 15

BB = 375

EE = 65

FF = 16

GG = 64

Down:

B = 600

C = can't see the fraction

D = 316

G = can't see the fraction

H = can't see the fraction

K = 9520

L = 15010

N = 299

O = 59

Q = 518

T = 4116

U = 333

V = 1006

W = 189

AA = 55

CC = 71

DD = 56

Answer:

2

Step-by-step explanation:

hdjxjdbdjdnekzneisbd

Answer:

1+1=2

Step-by-step explanation:

lol, i hope this helped.

brainliest please? :)

Answer:

x=40

Step-by-step explanation:

100+2x=180

80=2x

x=40

Answer:

40°, because 180 minus 100 is 80, then divided 80 by 2 (because there is two 2's) and you get 40

Step-by-step explanation:

Bleh :b

Answer:

The appropriate answer is "-5.8". A further solution is explained below.

Step-by-step explanation:

The given integers series is:

[tex]-12,-4,-11,-6,4[/tex]

As we know,

⇒  [tex]Mean=\frac{Sum \ of \ All \ Data \ Points}{Number \ of \ Data \ points}[/tex]

On substituting the values, we get

⇒             [tex]=\frac{(-12)+(-4)+(-11)+(-6)+4}{5}[/tex]

⇒             [tex]=\frac{-29}{5}[/tex]

⇒             [tex]=-5.8[/tex]

Answer:

1000 meters

Step-by-step explanation:

I have attached the complete question.

Answer:

Mean; μ = 1.648

Standard deviation;σ = 0.8610

Step-by-step explanation:

From the image attached, we can see that the probabilities given under the p(x) column are;

0.091

0.334

0.408

0.166

Let's find out if these values give a probability distribution.

ΣP(x) = 0.091 + 0.334 + 0.408 + 0.166

ΣP(x) ≈ 1

Their sum is approximately 1 and they are all between 0 and 1. Thus, it is a probability distribution.

Mean is found by;

μ = ΣxP(x)

From the table attached, x = 0, 1, 2, 3

Thus;

μ = (0 × 0.091) + (1 × 0.334) + (2 × 0.408) + (3 × 0.166)

μ = 1.648

Standard deviation is given by;

σ = √[Σ(x - μ)²•P(x)]

σ = √[((0 - 1.648)² × 0.091) + ((1 - 1.648)² × 0.334) + (2 - 1.648)² × 0.408) + ((3 - 1.648)² × 0.166)]

σ = 0.8610

Answer:

yes

Step-by-step explanation:

For the first ratio we can simplifiy it by divide the two numbers by 4

8:4 = 2

20: 4 = 5

2 sneakers to 5 sandals

For the second ratio we can simplify it by dividing the two numbers by 2

4 : 2 = 2

10 : 2 = 5

2 sneakers to 5 sandals

we have found that the two ration are equivalent

Answer:

[tex] \tan( \alpha ) = \frac{ \sqrt{1 - { \cos( \alpha ) }^{2} } }{ \cos( \alpha ) } = \: \frac{ \sqrt{0.36} }{0.8} = \frac{0.6}{0.8} [/tex]

Answer:

Use the website www.bartley.com !!! I has helped me a lot and its actual teachers/tutors who answer your questions in about 30 minutes :)

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

y= 1/2x +8

hope this helps

Answer:y=7

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

Step-by-step explanation:

here .................

Answer:

Step-by-step explanation:

Total area:

Area of the stage:

Area of the closet:

Area to be painted:

Correct choice is A

Answer:

2x + 1

Step-by-step explanation:

That person added everything together that was shown which is incorrect. You shouldn't add the 12x + 3 as that should be the end result. You add 3x + 3x + 4x + 2 to get 10x + 2. You then subtract that by 12x +3 which is 2x + 1

Answer:

C/7 = 20

Step-by-step explanation:

Answer:

r=30

Step-by-step explanation:

r-24=6

r=6+24

r=60

Answer:

72 cm^3

Step-by-step explanation:

The volume of a rectangular prism is the length x width x height, so

6*3*4=72

Answer:

mode: 17

Step-by-step explanation:

mode is the number that appears the most in a set of data.So the answer is 17

Answer:

(6x - 7y)(6x + 7y)

Step-by-step explanation:

36x² - 49y² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b) , then

36x² - 49y²

= (6x)² - (7y)²

= (6x - 7y)(6x + 7y)

Answer:

(6x + 7y)(6x - 7y)

Step-by-step explanation:

36x² - 49y²

= (6x)² - (7y)²

= (6x + 7y)(6x - 7y)

In this question we used the identity-

a² - b² = (a + b)(a - b)

Answer:

what u did was multiply. 13×117=1,521

Step-by-step explanation:

I'm not sure if this is right

hope this helps :)

Positive

A - y = 18.8x - 763

Should be right-

Answer:

Positive

y=18.8x-763

Step-by-step explanation:

Answer:

9.85

Step-by-step explanation:

√(x2 - x1)² + (y2 - y1)²

√(6 - 2)² + (-2 - 7)²

√(4)² + (-9)²

√(16) + (81)

√97

= 9.85

Answer: (3x - 12) + 5x

Step-by-step explanation: Distribute the 3 inside the parentheses to get

(3x - 12) + 5x, if they want it simplified more you could add 3x to 5x to get 8x - 12

Step-by-step explanation:

3 multiply both (x-4)

3x-12+5x collect like term

8x-12