Explain your thinking Your answer of " a square can also be classified as a kite"​

The mathematical representation of 20P4 is [tex]^{20}P_4 = 20 \times 19 \times 18 \times 17[/tex]. so option C is the correct.

We can use combinations for this case,

The Total number of distinguishable things is m.

Here, Out of those m things, k things are to be chosen such that their order doesn't matter.

This can be done in total of

[tex]^mC_k = \dfrac{m!}{k! \times (m-k)!} ways.[/tex]

If the order matters, then each of those choice of k distinct items would be permuted k! times,

So, total number of choices in that case would be:

[tex]^mP_k = k! \times ^mC_k = k! \times \dfrac{m!}{k! \times (m-k)!} = \dfrac{m!}{ (m-k)!}\\\\^mP_k = \dfrac{m!}{ (m-k)!}[/tex]

This is called permutation of k items chosen out of m items (all distinct).

We have to find the mathematical representation of 20P4.

[tex]^{20}P_4[/tex]

here, m = 20

k = 4

Now substitute;

[tex]^mP_k = \dfrac{m!}{ (m-k)!}\\\\^{20}P_4 = \dfrac{20!}{ (20-4)!}\\\\^{20}P_4 = \dfrac{20!}{ (16)!}\\\\\\^{20}P_4 = \dfrac{20 \times 19 \times 18 \times 17 \times 16!}{ (16)!}\\\\\\^{20}P_4 = 20 \times 19 \times 18 \times 17[/tex]

Hence, the mathematical representation of 20P4 is [tex]^{20}P_4 = 20 \times 19 \times 18 \times 17[/tex]. so option C is the correct.

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Answer:

r=C/2Pi

Step-by-step explanation:

C=2(Pi)r

r=C/2Pi

Answer:

4sqrt3 (the third answer), No, All of the statements are true (I think)

Step-by-step explanation:

Answer:

[tex]2 < \times \leqslant 6[/tex]

Answer:

53 degrees

Step-by-step explanation:

Answer:The answer in a fraction is 405/916 and the decimal form is 0.44213973

…

Step-by-step explanation:

Answer:

34x-5 = 2x/27+10

or, 34x-5=(2x+270)/27

or, 918x - 135=2x+270

or, 918x-2x=270+135

or, 916x= 405

or, x = 0.44

Answer:

3x − 3 = 0

3(x − 1) = 0

x = 3 /3  = 1

[tex]7x + 4 = 4x + 7[/tex]

[tex]7x - 4x = 7 - 4 \\ 3x = 3 \\ x = \frac{3}{3} \longrightarrow \frac{ \cancel{3}}{ \cancel{3}} = 1 \\ x = 1[/tex]

[tex]7(1) + 4 = 4(1) + 7 \\ 7 + 4 = 4 + 7 \\ 11 = 11 \longrightarrow \sf{true} \: \: \green{ \checkmark}[/tex]

Hence, the solution is x = 1.

[tex] \large \boxed{x = 1}[/tex]

Answer:

45 its easy brainliest

Step-by-step explanation:

jayfeather friend me

Answer:

45

Step-by-step explanation:

6x+9

6(6)+9

36+9

45

the answer is 45

Answer:

As the number of comics Increases the cost increases

Answer:

increases.

Step-by-step explanation:

The line is climbing higher, and it means that the copies of comics are being sold more and the prices are becoming higher.

Hope this helps!! Have an amazing day ^^

Answer:

Explanation:

Circumference: 18.84

π: 3.14

18.84 ÷ 3.14

Answer:

22

Step-by-step explanation:

Just did it

Answer:

Look below! Branliest please!

Step-by-step explanation:

To find the volume, we multiply 12 by the height and then by 3.14. So for 1, we get 1*12 which equals 12, then we multiply that by 3.14 and we get 37.68. So we do that for all of them.

1*12*3.14 = 37.68

3*12*3.14 = 113.04

5*12*3.14 = 118.4

7*12*3.14 = 263.76

Answer:

[tex]\sqrt{47}[/tex] [tex]\sqrt{91}[/tex]

Step-by-step explanation:

The first two are too small to be greater than 6 so those are out.

Any answer with a negative is before 0, so you could rule those out

You are now left with sqrt(47) and sqrt(91)

Answer:

x=9

Step-by-step explanation:

[tex]\frac{x+6}{x} =\frac{20}{(20-8)} \\1+\frac{6}{x} =\frac{20}{12} \\\frac{6}{x} =\frac{20}{12} -1\\\frac{6}{x} =\frac{20-12}{12} \\\frac{6}{x} =\frac{8}{12} \\8x=6 \times 12\\8x=72\\x=\frac{72}{8} =9\\x=9[/tex]

Answer:

9

Step-by-step explanation:

The left side of the triangle is 20 units long, the bottom portion is 8 units long.

This means the top portion must be 12 units long, 20 - 8 = 12.

The ratio between the left and right side has to be the same because they are two straight lines.

So if the ration is 8 to 6 or 8/6 which reduces to 4/3 then your ration is 12 to x.

So if... 4/3x=12 then

(3)4/3x = 12(3) multiply both sides by 3

4x = 36 the divide both sides by 4

x = 9

To check you can multipy your answer, in this case 9 by 4/3.

(9)(4/3)  =

(9 x 4)/3 =

36/3 = 12

You did it! Hope this helped.

Answer:

first one I am thinking 6.52 and the second one I am thinking 6.67

Step-by-step explanation:

Hope this Helps!!!

Answer:

#&*#*#

Step-by-step explanation:

what typa dog is it???

Answer:

n/3

Step-by-step explanation:

n×by n is=n square.

n/3

Probability that Sara does not wins a raffle is  [tex]\frac{3}{n+3}[/tex].

Probability is simply how likely something is to happen. Whenever we're unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are.

Given

Probability that Sara wins a raffle is given by the expression

P(win) = [tex]\frac{n}{n+3}[/tex]

Probability that Sara does not wins a raffle is given by

P(does not win) = 1 - [tex]\frac{n}{n+3}[/tex]

= [tex]\frac{n+3}{n+3} -\frac{n}{n+3}[/tex]

= [tex]\frac{n+3-n}{n+3}[/tex]

= [tex]\frac{3}{n+3}[/tex]

Thus, probability that Sara does not wins a raffle is  [tex]\frac{3}{n+3}[/tex].

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Step-by-step explanation:

1.2 x 5 = 6.0

0.9 x 1.1 = .99

1.5 x 2 = 3.0

Answer:

i

Step-by-step explanation:

Answer:

1 1/3

Step-by-step explanation:

(8/9) / (2/3) = (8/9) / (6/9) = 1 1/3

Answer:

[tex]x = 8.5[/tex] and [tex]y = 5.3[/tex]

Step-by-step explanation:

Given

[tex]x = cupcakes[/tex]

[tex]y = brownies[/tex]

From the first statement:

[tex]2.75x + 1.25y = 30[/tex]

From the second statement:

[tex]x + y \le 14[/tex]

Required

Solve graphically

I've written the equations (above) and they are:

[tex]x + y \le 14[/tex]

[tex]2.75x + 1.25y = 30[/tex]

See attachment for graph.

The blue line represents [tex]2.75x + 1.25y = 30[/tex]

The shaded part of the graph represents [tex]x + y \le 14[/tex]

From the graph, the solution is:

[tex]x = 8.5[/tex]

[tex]y = 5.3[/tex]

Answer:

3x-5

Hope it Helps!!

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

Answer:

I thinck u did get it write ....

Step-by-step explanation:

Answer:

1.  deposit = $288

2. monthly payments = $56

Step-by-step explanation:

960 x 0.3 = 288

960 - 288 = 672

672/12 = 56

Answer:

153

Step-by-step explanation:

8x4=32

5x3=15

32-15=17

9x17=153

Answer:

fhmjjjjj hjk, k

Step-by-step explanation:

Answer:

[tex]tan 56 = \frac{26}{x}[/tex]

Step-by-step explanation:

[tex]tangent = \frac{opposite}{adjacent}[/tex]

Side z is the hypotenuse, since it is opposite the right angle.

Side x is the adjacent, since it is next to the angle you are solving for.

The side measuring 26 is the opposite, since it is opposite the angle you are solving for.

Answer:

its 34

Step-by-step explanation:

46

For the first two use the formula [tex]A^2 + B^2 = C^2[/tex]

[tex]15^2 + 36^2 = C^2(unknown)[/tex]

Calculate 15 x 15 + 36 x 36 = 1521

Now its

1525 = C^2

Fins the squeare root of 1521 whitch is 39

and square c^2 as well whitch make it C^1 or simple C

This give us a final anwser of the missing side

39 = C

Second triangle

For this the formual is different since we are not finding the lenght of the hypotunus (C), we know this becauee the missing angle is met my a 90 digree angle.

Here the equasion is  C^2 - A^2 = B^2

WE will it in again

15^2 - 9^2 = B^2

Calaulate 15 x 15 - 9 x 9 = 144

Now its 144 = B^2

Again we find the square root for each side

Square root of 144 is 12

and Square root of B^2 is Simpley B

We put in togethe to find the final anwser whitch is

12 = B

For the last two it is simple

All angles of a triangle added together must always equal 180 degrees

So it the two side are 75 and 32 we add them (75+32) to get 107

Now we just subtract that amount (107) form 180 to get the third missing angle. 180 - 107 = 73  

Here the missing angle is 73

One way to know if this is correct is to add all side and see if it equaels 180

75 + 32 + 73 = 180

For the second question it seems to be exactly the same as the first in the photo so the anwser would also be 73.

Hope this helps! :)

Answer:

D

Step-by-step explanation: