How many ways are there to arrange 1,2,3,4,5 in a line, such that n is not in the nth position?

For Example: 2,1,3,4,5 is not valid because 3 is the 3rd in the line but 2,1,4,5,3 is valid because none of the numbers are in their original position.

Answers

Answer 1

Answer:

256 ways

Step-by-step explanation:

Okay so n cannot be in the nth place, but there are 5 places available.

So thinking about it technically you can have 4 of each number in a different spot not their own, and 4x4x4x4 = 256

However, if that doesn't work, you could try 4! which is 4x3x2x1 = 24

Hope that helps :)


Related Questions

If the start Time is 8:00 and the end time is 11:00.a.m,what is the elaped time? ?​

Answers

Answer:

3 hours

Step-by-step explanation:

Jessica has £600.
She gives 50% to her mother.
Jessica gives 10% to her brother.
She keeps the rest.
How much money does Jessica keep?

Answers

Answer:

she keeps 270

Step-by-step explanation:

have of 600 is 300 10 percent of 300 is 30

300-30 is 270

2 1/6 divided by 3/4

Answers

Answer:

Exact form = 26/9

Decimal form = 2.8

Mixed number form = 2 8/9

Step-by-step explanation:

Hope this helps

y+4=-7(x-3)
can someone pls explain I'm so confused? In needs to be in slope int form

Answers

Answer:

so slop int form is y=mx+b

so start off by distributing the -7 to the x and -3

so that leave you with y+4=-7x+21

get it all on the same side

y-7x-17

Step-by-step explanation:

Answer:

y =  m x  +  b .

y  =  − 7 x  +  17

Step-by-step explanation:

Hope this helps!!! :))

Find the value of X - triangle measurments
I WILL GIVE BRAINLIEST!

Answers

180/3=60
4x-20=60
4x=80
x=20

Answer:

x = 20

Step-by-step explanation:

from how the sides are marked it is an equilateral triangle, to see it does not seem. assuming that it is equilateral it has 3 angles of 60 ° for which 4x - 20 = 60

4x - 20 = 60

4x = 80

x = 80 : 4

x = 20

-------------------

4 * 20 - 20 = 60°

x^2 - 8x + 5 = 0

(a) find the value of the discriminant

(b) state the number and type of the roots (2 real, 2 imaginary/complex or 1 real).

Answers

Answer:

√44

2 Real Roots

Step-by-step explanation:

Looking at the image attached, the discriminant is the value under the square root.

In the equation given:

a = 1

b = -8

c = 5

The discriminant is therefore:

√(b²- 4ac) = √(-8²- (4*1*5)) = √(64-20) = √44

√44 is a positive number. Because it is positive, there must be 2 real roots.

If it were negative, there would be 2 imaginary roots.

If it were zero, there would be 1 real root.

To the nearest tenth, what is the BEST estimate of the value 5√10

Answers

Answer:

15.8 i think

Step-by-step explanation:

a^1/2 x a^3/2 divide (a^3)^4

Answers

Answer:

3x

Step-by-step explanation:

evaluate the following using identity
1 (a+4) ( a-4)
2. (1/p + 1/q) ( 1/p - 1/q )
3. ( 6x - 5) (6x + 5)​

Answers

Answer:

refer to the picture attached for steps

hope it helps

-
How many solutions does the equation 2 + 6(x - 4) = 3x - 18 + 3x have?

A)0
B)1
C)2
D) Infinite

Answers

Answer:

C because it's a quadratic equation and it can be solved by factorization and completing the square method and also general formula

What is greater than in mathematice

Answers

Answer:

Greater than can be defined as an inequality used to compare two or more numbers, quantities or values. It is used when a quantity or number is bigger or larger than the second or rest quantities or numbers.

Step-by-step explanation:

PLEASE HELP ME OUT

PEFORM THE FOLLOWING CONVERSIONS USING UNIT FACTORING

15 m = ______ mm
0.75 L = _____mm

Answers

Answer:

15000 millimeters

750000 millimeters

Find the commission,
Earning Commission
Sales Commision Rate Commission
$710
6%
?

Answers

Answer:

$42.60

Step-by-step explanation:

(6/100)×710

= $42.60

Write an equation in point-slope then convert into slope intercept for a line that passes through (3,-2) with a slope of -2

Answers

Answer:

Point-slope form: [tex]y+2=-2x+6[/tex]

Slope intercept form: [tex]y=-2x+4[/tex]

Step-by-step explanation:

[tex]y - y_{1} = m * (x - x_{1})[/tex]

[tex]y-(-2)=-2*(x-3)\\y+2=-2x+6\\y=-2x+4[/tex]

What is the answer to 30a + 15b + 14b =

Answers

Answer:

30a + 29b

....................

Answer:

30a + 29b is the answer

We just need to add

Jada mixes 2 3/5 liters of fruit juice with 1 7/10 liters of seltzer to make a fruit punch.

Complete the steps to find the amount of fruit punch


what is the sum of the fraction parts?

Answers

Answer:

3 9/10

Step-by-step explanation:

2 3/5=  2 6/10

17/10= 1 3/10

6/10+3/10=9/10+2+1=3 910

Can someone please explain how to find the answer please.

Answers

Answer:

36 / 21 = h / 168 so h = 168 (12 / 7)

Step-by-step explanation:

i dont know how to explain it

is this correct??????

Answers

First, since we know that the total number of stamps that Josef has is j and that Mai will have j – 500 stamps, we can set up an equation. The total number of stamps should be j + (j – 500), which can be simplified to 2j – 500. We can set up cross multiplication since we know Josef has 60% of the stamps. = When we cross multiply, we get 100j = 60(2j – 500). Next, using the distributive property, multiply to get 100j = 60(2j – 500). Then use the additive inverse property to subtract 120j from both sides and get -20j = -30,000. Finally, divide by -20 to get j = 1,500.

C. 1,500 hope this helps

Complete the given ordered pairs for the equation.
y= 2x + 7
(7, )
(0, )
(-5, )

Answers

* means multiply

y = 2 * 7 + 7 = 14 + 7 = 21 -> (7,21)

y = 2 * 0 + 7 = 0 + 7 = 7 -> (0,7)

y = 2 * -5 + 7 = -10 + 7 = -3 -> (-5,-3)

Find the slope of the line that passes through (1, 13) and (10, 6).

Answers

Answer:

-7/9

Step-by-step explanation:

Using the slope formula

m = ( y2-y1)/(x2-x1)

   = ( 6-13)/(10-1)

    = -7/9

Candy is sold out in 4 pound bags. How many full

Answers

Full what exactly it is not specified what you need

what is 5 1/8 = ?/? please answer ty

Answers

Answer:

the awnser is in fraction form

[tex] \frac{41}{8} [/tex]

need help with math

Answers

Ah sorry I got it wrong, dear

B. 1/2

Explanation: 1/4 of grape juice as already in the bottle and then a mixture containing orange, grape and apple filled the bottle meaning the mixture was 3/4. If the mixture contained equal amounts of each juice it means 1/3 of each juice was in the mixture so 1/4 plus 1/4(the original amount of grape juice that was in the bottle before the mixture was added) is equal to 2/4 simplify that and you have 1/2

La casa de Camilo está a 4 cuadras a la derecha de la casa de Andrés, la casa de Rodrigo está a 2 cuadras a la izquierda de la casa Camilo ¿Cuántas cuadras hay entre las casas de Andrés y Rodrigo?.

Answers

La casa de Rodrigo está dos cuadras a la derecha de la casa de Andrés.

En esta pregunta, debemos leer el enunciado y obtener las ecuaciones equivalentes antes de obtener su solución. En este caso tenemos las siguientes dos ecuaciones:

(i) La casa de Camilo está a 4 cuadras a la derecha de la casa de Andrés.

[tex]c - a = 4[/tex] (1)

(ii) La casa de Rodrigo está a 2 cuadras a la izquierda de la casa de Camilo.

[tex]r - c = -2[/tex] (2)

Si sumamos (1) con (2), entonces obtenemos la siguiente ecuación entre las casas de Andrés y Rodrigo:

[tex]r - a = 2[/tex]

En síntesis, la casa de Rodrigo está dos cuadras a la derecha de la casa de Andrés.

Invitamos cordialmente a ver esta pregunta sobre aritmética: https://brainly.com/question/6357882

Use your function rule to complete each statement. Type the correct answer in each box. Use numerals instead of words.

After 3.5 days, the height of the plant is ____ centimeters.

The height of the plant is 6.25 centimeters after ____ days.

Answers

Hii!

After 3.5 days, the height of the plant is 5.75 centimeters.

h = 0.5(3.5) + 4

h = 1.75 + 4

height = 5.75 cm after 3.5 days.

The height of the plant is 6.25 centimeters after 4.5 days.

6.25 = 0.5d + 4

6.25 - 4 = 0.5d - 4

2.25 = 0.5d

2.25/0.5 = 0.5d/0.5

4.5 = d

days = 4.5

Thus, the height of the plant is 6.25 centimeters after 4.5 days.

After 3.5 days, the height of the plant is 5.75 centimeters and the height of the plant is 6.25 centimeters after 4.5 days.

What is a straight line?

A straight line is a combination of endless points joined on both sides of the point.

The slope 'm' of any straight line is given by:

[tex]\rm m =\dfrac{y_2-y_1}{x_2-x_1}[/tex]

The equation of the line is:

h = 0.5d + 4

After rewriting the function:

f(x) = 0.5x + 4

Plug x = 0

f(0) = 4 cm

f(1) = 4.5 cm

f(2) = 5 cm

f(3) = 5.5 cm

f(4) = 6 cm

f(5) = 6.5 cm

Plug x = 3.5 days

f(3.5) = 5.75 cm

Plug f(x) = 6.25

6.25 = 0.5x + 4

2.25 = 0.5x

x = 4.5 days

Thus, after 3.5 days, the height of the plant is 5.75 centimeters and the height of the plant is 6.25 centimeters after 4.5 days.

Learn more about the straight line here:

brainly.com/question/3493733

#SPJ5

A car gets 20 miles per gallon. How many gallons would the car need to travel 90 miles?

Answers

Answer: In decimal the answer is 4.5 but if in fraction the answer is 4 1/2

Step-by-step explanation: First we have to divide 90 and 20 will give us 4.5 or 4 1/2

90 x 20 = 4.5 or 4 1/2

Hope this help!!!

1. It takes you 2 hours to travel 110 miles. How far can you travel in 5 hours?

Answers

Answer:

275 miles

Step-by-step explanation:

110/2 = 55 miles

you travel 55 miles an hour

multiply that by 5 to get your answer

equals 275 miles

Hope this is helpful.

Answer:

275 miles in 5 hours

Step-by-step explanation:

110/2 is 55. 55 is 1hour so multiply 55 times 5 and thats your answer.

Use the graph to answer the following…

Answers

Answer:

slope = 2 because it goes up by 2 and across 1

10 = 2(1)+b

10=2+b

-2   -2

b = 8

y intercept = 8

equation: y = 2x+8

yes it is proportional because it has a constant rate of change or slope

PLZ SOLVE THIZZZ.............................

Answers

Answer:

B

Step-by-step explanation:

Answer: Angle x = 77 degrees

B. Alternate Angles

Step-by-step explanation:

Explain why 50 is not a multiple of 6.

Answers

Answer: A multiple is a number that can be divided by another number a certain number of times without a remainder. A factor is one of two or more numbers that divides a given number without a remainder. Therefor, 50 could not be a multiple of 6.

Step-by-step explanation:

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