determine the order of the following matrix
-8 -1
8 -2
1 6
8 8

Our new measures of central tendency and spread are Mean: (9+9+13+15+19)/5=13(9+9+13+15+19)/5=13.

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The standard error is 153.125

The population mean's likelihood to deviate from a sample mean is indicated by the standard error of the mean, or simply standard error. It reveals how much the sample mean would change if the research were to be repeated with fresh samples drawn from a single population.

The standard error is a measure of variability, just as the standard deviation. Standard error, on the other hand, reflects variability over numerous samples of a population, whereas standard deviation describes variability within a single sample.

being that

The sample size is 256.

The average is $35,420.

And $2,450 is the standard deviation.

We must ascertain the standard error.

The fact that

= random sample standard deviation

= 2450 ÷ √256

= 2450 ÷ 16

= 153.125

Consequently, 153.125 is the standard error.

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Answer:

Step-by-step explanation:

[tex] - b + |b| - 4ac[/tex]

Answer:To calculate, multiply the percentage by the number and then divide by 100. For example, 85 percent of 19 = 16.15. The table below shows the results for numbers from 1 to 1000.

Step-by-step explanation:

How do you find 85 of a number without a calculator?

Find the percentage of one number in relation to another with the formula Percentage = (number you want to find the percentage for ÷ total) × 100. Move the decimal point two places to the right to convert from a decimal to a percentage, and two places to the left to convert from a percentage to a decimal.

How do I calculate percent?

To determine the percentage, we have to divide the value by the total value and then multiply the resultant by 100

How do you calculate percentage manually?

Finding the percentage

Divide the number that you want to turn into a percentage by the whole. In this example, you would divide 2 by 5. 2 divided by 5 = 0.4. You would then multiply 0.4 by 100 to get 40, or 40%.

If D is the midpoint of the segment BC then 2(BM + MD) = 2DC.

Geometry is one of the oldest branches of mathematics, along with arithmetic. It is concerned with spatial qualities such as figure distance, shape, size, and relative position. A geometer is a mathematician who works in the field of geometry.

In the given image we have a triangle in which line BC is cut into two halves at point D. This Means that D is the mid-point of line BC.

Here if segment BC is divided by point D into two halves then,

BM + MD = DC

The value of 2DC will be,

2DC = 2 (BM + MD)

Therefore, the value of 2DC will be equal to 2(BM + MD).

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In the coordinate axis the point D is located at the position of (5,-2) .

In the given graph of the coordinate axis , we can see that the four points A,B,C and D are located

The coordinates of each point are :

A (-5,-2)

B (-2,5)

C (2,-5)

D (5,-2)

Therefore using the given abscissae and ordinate of the points the point that is located at (5,-2) is D.

A coordinate system in geometry is a way to use one or more integers, or coordinates, to determine the exact placement of points or other geometrical objects on a manifold, such Euclidean space.

The order of the coordinates is crucial, and they are frequently identified by their position in an ordered tuple or by a letter, such as "the x-coordinate." The coordinates are often real values in elementary mathematics, but they could also be complex numbers or parts of a more abstract system, such a commutative ring.

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Answer:

Step-by-step explanation:

So the first thing that you'll have to recognize is that  the interior angles of a triangle add to 180°

Next, note that the angle that is given as 5y -23 is also the same angle as the inside of the triangle,  as well as the angle it's written on.

recognizing both of these let's  you write this.

180 = 2x+13 + 47 + 5y - 23

this doesn't help us too much because there are two unknowns and only one equation.  we would need two equations to solve this :(  

but.....

now note, that the angle  3x  and  5y - 23 are also equal.  Assuming that the lines are parallel that look parallel. I think for this problem we can assume that they are.

now revise the problem

180 = 2x+13 +47 +3x

now  use your algebra skillz

180 = 5x 60

180-60 = 5x

120 = 5x

120/5 = 5x/5

24 = x

now plug x into the earlier equation

180 = 2x+13 + 47 + 5y - 23

180 = 2(24) + 13 + 47 +5y - 23

180 = 48 + 13 + 47 +5y -23

180 = 109 - 23 + 5y

180 = 85 + 5y

180 - 85 = 5y

95 = 5y

19 = y

Answer:

The answer for this is you say 180-122=58 because of Co interior angle. Then P=58 because of alternate angle

The  angle measures are as shown below:

∠1 is 90°

∠2 = 60°

∠3 = 30°

∠4 = 20°

∠5 = 90°

What are transversal lines ?

In geometry, a transversal is any line that intersects two straight lines at distinct points

∠1 is 90° because it is a right angle

To find angle 2, we must add the given angles and x then make the equation equal to 180°, which we next solve for x;

x + 90 + 30 = 180

x + 120 = 180

-120        -120

x = 60, ∠2 = 60°

Angle 5 is vertical to angle 1 which equals 90 degrees, and vertical angles are congruent meaning that they measure the same degrees so therefore ∠5 = 90°

Angles 4 and 40° are vertical to angle 2 which measures 60 degrees;

40 + x(where x equals angle 4) = 60

-40       -40

x = 20, ∠4 = 20°

Specified earlier, angles 40° and 4 are equal to 60°, this means that angle three added to angles 40° and 4 will be equal to 90 degrees since angle 1 is 90 degrees and the other three angles will have to equal 90 degrees because they are supplementary.

So we set up the equation;

40 + 20(angle four) + x = 90

60 + x = 90

-60       -60

x = 30, ∠3 = 30°

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Answer:

C and A

Step-by-step explanation:

Since we need to find the common factors like 107/100 - 1.07 the X cancel out and we are left with the answers c and a

Answer:

The total price Leila pays for the model is 1.07x dollars .

Option (C) is correct .

Step-by-step explanation:

Leila is buying a dinosaur model.

The price of the model is x dollars, and she also has to pay a 7% tax.

7% is written in the decimal form .

= 0.07

Tax price = 0.07 × Cost of the model

               = 0.07x

Total price Leila pays for the model =  Cost of the model + Tax price

Putting all the values in the above

Total price Leila pays for the model = 0.07x + x

                                                          = 1.07x dollars

Therefore the total price Leila pays for the model is 1.07x dollars .

Option (C) is correct

Answer:

C

Step-by-step explanation:

If x = -5 or x = 2 the function doesn’t exist

If x = 0  , y = 0

The formula for the amount earned with compound interest after n years is given as:

A = P [tex](1 + r/n)^{nt}[/tex]

P = principal

R = rate

t = time in years

n = number of times compounded in a year.

In 20 years, the account will be worth $39,529.55.

It is the interest we earned on the interest.

The formula for the amount earned with compound interest after n years is given as:

A = P [tex](1 + r/n)^{nt}[/tex]

P = principal

R = rate

t = time in years

n = number of times compounded in a year.

We have,

P = $9500

r = 7.15%

n = 12

t = 20 years.

Substituting in the formula we get,

A = P [tex](1 + r/n)^{nt}[/tex]

A = 9500 [tex](1 + 7.15/12)^{12\times20}[/tex]

A = 9500 x [tex]1.0059^{240}[/tex]

A = $39,529.55

Thus,

In 20 years, the account will be worth $39,529.55.

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If the first term is 1, there are 9 multiples of 6 less than 10000 that would be terms of the sequence.

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

Divergent sequences are those in which the terms never stabilize; instead, they constantly increase or decrease as n approaches infinity, approaching either infinity or -infinity.

It is given that, a sequence is formed by adding to the triple of the previous term.

If the first term is 1, we have to find the multiples of 6 less than 10000  would be terms of the sequence.

First term = 1

2nd term  =1 x 3 + 2 = 5

3rd term  =5 x 3 + 2 = 17

4th term   =17 x 3 + 2 = 53

5th term =53 x 3 + 2 = 161

6th term=161 x 3 + 2 = 485

7th term=485 x 3 + 2 = 1457

8th term=1457 x 3 + 2 =4373

9th term=4373 x 3 + 2 =Goes over 10,000

Thus, if the first term is 1, there are 9 multiples of 6 less than 10000 that would be terms of the sequence.

The question is incomplete, the complete question is"A sequence is formed by adding 2 to the triple of the previous term. If the first term is 1 , how many multiples of 6 less than 10000  would be terms of the sequence?'

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The scatter plot showing r = -0.925 is graph c, r = -0.004 is graph a, r = -0.528 is graph d, r = 0.997 is graph d, r = 0.567 is graph b.

A scatter plot uses dots to represent values for two different numeric variables.

Given four graphs,  to identify which of the scatter plots matches the correlation coefficients that are given:

(i) A scatter plot that shows a trend that rises from the left to your right shows a positive correlation between two variables.

(ii) A scatter plot that shows a trend that descends downwards from the right to your left shows a negative correlation between two variables.

(iii) The farther away the data points are from each other, the greater the value of the correlation coefficient and vice versa.

Hence, r = -0.925 → graph c

r = -0.004 → graph a

r = -0.528 → graph d

r = 0.997 → graph e

r = 0.567 → graph b.

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41,01,06,666.6666667 are possible combinations of a that license plate

Permutations and combinations are  ways of representing groups of objects by selecting them  and subsetting them into sets. It defines different ways of arranging a particular data group. When we choose data or objects from a particular group, it is called a permutation and the order in which they are presented is called a combination. Both concepts are very important in mathematics.

Let's assume the license plate has the 3 letters on the left hand side in a row, and the four letters on the right hand side in a row, like this:

AAA1234

We have have 26 possible letters to choose from, and we make this choice three times. So this gives us 26^3 possible letter combinations. Next, we have 10 single-digit numbers to choose from, and we make this choice 4 times. This gives us 10^4 possible number combinations. Multiplying these gives us 26^3×10^4 possible plates.

On the other hand, if there is no restriction on the placement of letters and numbers, we could have something like this:

A1A2A34B

But we can still only have 3 letters and 4 numbers.

So, to start out let's decide where to put our three letters. We need to pick 3 places out of 7, so thats (7/3) possibilities. Now that we have decided where to put our three letters, the other four spots must be numbers. At this point we have returned to our original problem where we know the positions of the letters and numbers. So the final answer should be

(7/3)×26^3×10^4 = 41,01,06,666.6666667 are possible combinations of a that license plate.

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The missing side we get for the triangle DOG s 56 and the triangle CAT is 90 when the triangle are congruent.

Given that,

In the picture we have 2 triangles,

We have to find the missing sides of the 2 triangles.

We have triangle DOG is congruent to triangle CAT.

Then we can say as,

Take the missing sides as a and b.

CT/ GD= CA/ OD= AT/ GO

126/b= 54/24= a/40

126/b = 9/4 =a/40

Take,

126/b = 9/4

126×4=9×b

504= 9b

b=504/9

b= 56

Now, take

9/4 =a/40

9×40= a×4

360=4a

a=360/4

a=90

Therefore, The missing side we get for the triangle DOG s 56 and the triangle CAT is 90 when the triangle are congruent.

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An individual must pay the individual income tax, sometimes known as the personal income tax, on all of their annual income, including wages, salaries, dividends, interest, and other types of income. The state where the income is earned often levies the tax.

Businesses and individuals are subject to income taxes (or family units). Individual income taxes are computed based on the income received. Because the burden is assumed to fall on the payers, it is typically characterized as a direct tax.

Individuals and businesses both pay income taxes on their profits. There are several different types of income that are taxable, including wages, salaries, dividends, interest, royalties, rental income, gambling revenues, and sales of items.

There are seven federal tax brackets for the 2022 tax year: 10%, 12%, 22%, 24%, 32%, 35%, and 37%. Your tax bracket is determined by your filing status and taxable income. Taxes that are payable in April 2023 are subject to these rates.

If John earns $9875 he has to pay tax $987.5.He can take home $8,887.5

If john earns $12,000 he has to pay $ 2425.5 He can take home $9,574.5

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Total Number of ways of selecting 7 characters accoring to tthe given condition will be 786240000

What is Permutation?

The term permutation refers to a mathematical computation of the number of possible arrangements of a given collection. Simply said, a permutation is a term that defines the amount of different ways something may be organised or arranged. The order of the arrangement is important in permutations.

Solution:

Assuming Repetation is not allowed

There are 26 letter in alphabet

So, number of ways of selectting three characters will be

26P3 = 26!/ 23!

26P3 = 15600

There are 10 basic digits in the number system

So, number of ways of selecting four characters will be

10P4 = 10!/6!

10P4 = 5040

Total Number of ways will be 15600 * 5040 = 78624000

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Answer:

60%

Step-by-step explanation:

3 divided by 5 is 0.6

Multiply this by 100 to get the percent and you will end ups with 60%

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By using properties of triangle, it can be calculated that

RS = 1.183 RT

What is a triangle?

A triangle is a three sided two dimensional figure. A triangle has three sides and three interior angles

By using properties of triangle,

[tex]\frac{RT}{sin \angle S} = \frac{RS}{sin \angle T}\\\\ \frac{RT}{sin 50} = \frac{RS}{sin 65}\\\\ \frac{RT}{0.766} = \frac{RS}{0.906}\\\\ RS = \frac{0.9606}{0.766}RT\\RS = 1.183RT[/tex]

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The required point-slope form of the equation of the line is y - 5 = -4(x + 1).

Given that, To determine an equation in point-slope form for the line that passes through the point with the given slope. point: (-1, 5) and m=-4.

What is the slope of the line?

The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.

Here,

The point-slope of the equation of the line is given by,

y - y₁ = m(x - x₁)

Put the values in the above equation of the line

y - 5 = -4 (x - (-1))

y - 5 = -4 (x + 1)

Thus, the required point-slope form of the equation of the line is y - 5 = -4(x + 1).

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Answer:

U MEANS UNION

{-8,-4,0,4,8,12,16,20}  U {-3,-2,-1,0,1,2,3,4,5,6} BECOMES

{0, 1, 2, 3, 4, 5, 6, 8, 12, 16, 20, -1, -8, -4, -3, -2}

happy learning!

The value of the x is 39.

Given equation is x-4 / 5 - x+1 / 6= 1/3.

Now, to solve this we have to take the L.C.M for both the fraction s which is 30.

Multiply the equation with 30 and we will get the :

30(x-4)/5 - 30(x+1)/6 = 30/3,

6(x-4) - 5(x+1) = 10 ,

6x - 24 -5x -5 = 10,

x -29 = 10, adding 29 on both sides

x = 39

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2 will be the final value of the semaphore.

What is the counting semaphore's initial value?

Initial value of a counting semaphore = 7

totalP() operations performed on the semaphore = 20

totalV() operations performed on the semaphore = 15

Final valoe of semaohore = ?

after 20 P operations performed on the semaphore,

  value of the semaphore =

Initial value of a counting semaphore - total P() operations performed on the semaphore

                  = 7 - 20 = - 13

after 15 V operations performed on the semaphore,

  value of the semaphore =

Value of semaphore after 20P operations performed on the semaphore + total V() operations performed on the semaphore

                          = -13 + 5

                          = 2

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The solution of inequality -8+4x<-4 is given by x<1 anbd the graph is given by,

Given the inequality is, -8+4x < -4

Solving the inequality we get,

-8+4x < -4

4x < -4+8, adding 8 to both sides

4x < 4

x < 1, dividing both sides by 4

Hence the solution is x<1.

The graph of solution set in number line is,

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The length of one slice of a large pizza is 8 inches.

A circle is a two-dimensional figure with a radius and circumference of 2 x pi x r.

The area of a circle is given as πr².

We have,

A large pizza:

Diameter = 16 inches

Radius = 8 inches

Area of the pizza.

= π x 8 x 8

= 3.14 x 8 x 8

= 200.96 square inches

Pizza cut into S slices.

The area of each slice = 25.12 square inches.

The number of slices.

= 200.96 / 25.12

= 8

Now,

The length of each slice of the pizza will be its radius.

So,

Length = 8

Thus,

The length of one slice of a large pizza is 8 inches.

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The graph of an inequality x miles < 8.5 minutes to depict the situation in the question is as attached.

We are told that Jack can run a mile in less than 8¹/₂ minutes. Now, this can also be written as 8.5 miles.

Now, let the number of miles ran be x miles and it means we can write the inequality of the situation as;

x miles < 8.5 minutes

Now, for the number line graph to depict this situation, it means that the arrow will point to the left and the circle at 8.5 will be unshaded.

Thus, the inequality line graph would be drawn as shown in the image attached to depict the situation that x miles < 8.5 minutes

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116.7

Step-by-step explanation:

[tex]{ \blue{ \sf{8.1x + 7.5y}}} \: { \to} \: { \red{ \bold{ {eq}^{n} (1)}}}[/tex]

Put x = 7 and y = 8 in Eqⁿ (1)

[tex]{ \blue{ \sf{8.1(7) + 7.5(8)}}}[/tex]

[tex]{ \blue{ \sf{56.7 + 60.0}}}[/tex]

[tex]{ = { \pink{ \boxed{ \purple{ \sf{116.7}}}}}}[/tex]