given a vector/array with values 5, 10, 15, 20, 25, what are the fewest number of swaps needed to reverse the list? group of answer choices 2 3 4 5

the slope of the given point is m=−3/4

Answer:-3/4

Step-by-step explanation:

to find slope using 2 points the equation is ...

y2-y1

x2-x1

The median of the given data set is, 40.

What is median?

The median is the value that divides a data sample, a population, or a probability distribution's upper and lower halves in statistics and probability theory. It could be referred to as "the middle" value for a data set.

Let, a data set contains 5 numbers: 21, 32, x, 99, 40.

x is the unknown number.

The average is to be 50.

Since,

Average = Sum of numbers / total numbers

       50   = (21 + 32 + x + 99 + 40) / 5

   50 x 5 = 192 + x

      250  = 192 + x

           x = 250 - 192

           x = 58

Hence, the unknown number is 58.

Now to find the median,

Since median is the middle number of a data set.

So, write the numbers in ascending order.

21, 32, 40, 58, 99.

In this data set the middle number is, 40.

Therefore, the median is 40.

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Given statement " If the measure of an angle is not 180, then it is not a straight angle" when related to conditional statement  "If an angle is a straight angle, then its measure is 180." then it represents the example of contrapositive.

As given in the question,

Given statement is equal to:

" If the measure of an angle is not 180, then it is not a straight angle"

And its conditional statement is given by:

"If an angle is a straight angle, then its measure is 180."

Explanation of the given options:

a. Counterexample : Concluding statement is against the given statement .

Here it is false.

b. Converse:  If it is not a straight angle then the measure of an angle is not 180.

Here it is false.

c. Inverse : If the measure of an angle is 180, then it is a straight angle.

False.

d. Contrapositive : "If an angle is a straight angle, then its measure is 180."

Here it is true.

Therefore,  for the given statement " If the measure of an angle is not 180, then it is not a straight angle" when related to conditional statement  "If an angle is a straight angle, then its measure is 180." then it represents the example of contrapositive.

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11 dummy variables will be needed.

A dummy variable is a numerical variable used in regression analysis to represent subgroups of the sample in your study. In research design, a dummy variable is often used to distinguish different treatment groups.

we know that,

dummy variable formula = K- 1,

here, K = 12 (months in a year)

this implies, K - 1 = 12 - 1 = 11

Therefore, no. of dummy variables needed = 11.

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Check the picture below.

[tex]\stackrel{\measuredangle MNQ}{4x+16}\implies 4(14)+16\implies \stackrel{\measuredangle MNQ}{\text{\LARGE 72}}[/tex]

Answer:

yes

Step-by-step explanation:

as long as one input does not have two different outputs it is a function

Answer:

[tex]y=4x-6[/tex]

Step-by-step explanation:

The slope is [tex]\frac{-2-2}{1-2}=4[/tex].

[tex]y-2=4(x-2) \\ \\ y-2=4x-8 \\ \\ y=4x-6[/tex]

The function f(x+3) in terms of x is 4x+14.

It is given that -

f(x) = 4x + 2

We have to find out f(x+3) in terms of x.

Now, f(x) = 4x + 2

=> f(x+3) = 4(x+3) + 2 [Substituting (x+3) in place of x]

=> f(x+3) = 4x + 12 + 2

=> f(x+3) = 4x + 14

Thus, the function f(x+3) in terms of x is 4x+14.

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In contrast to the signs of the real x-intercepts on the graph, we must remember the signs of the values in a quadratic's factored form. because the cartesian coordinate points are shifted.

Any function of the form [tex]\rm f(x) =ax^2+bx+c[/tex].where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic function.

When factoring by grouping is used, the replacement terms will both share the same middle-term sign. The factor signs will have one of each sign with the "stronger" number (the larger absolute value) matching the middle term if the last term is negative.

We can locate the function's x-intercepts or zeros with the aid of factored form.

Thus, in contrast to the signs of the real x-intercepts on the graph, we must remember the signs of the values in a quadratic's factored form. because the cartesian coordinate points are shifted.

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Answer: 4

Step-by-step explanation:

6 * 2/3 First simplify the expression.

Then you would get 2 * 2/1 = 2*2

The answer is 4

Answer:

Step-by-step explanation:

Step-by-step explanation:

Enter a problem...

Pre-Algebra Examples

Popular Problems Pre-Algebra Solve for x 12+2x-x=9x+6

12

+2

x−x=

9x

+6Subtract

x from

2x

12+x

=9x+6

Move all terms containing

x

to the left side of the equation.

Tap for more steps...

12−8x=6

to the right side of the equation.

-8x=−6

Divide each term in

−8x=−6 by −8

and simplify.

The result can be shown in multiple forms.

Exact Form:

x=3/4

Decimal Form:0.75

The triangles ΔABC and ΔCDE are congruent to each other using the SSS rule.

We are given two triangles. The vertices of the first triangle are A, B, and C. The vertices of the second triangle are C, D, and E. We need to prove that the triangles are congruent to each other.

The length of side AB is equal to that of side CD. The length of side BC is equal to that of side DE. We know that C is the midpoint of line segment AE. This means that the length of AC is equal to the length of CE.

All three corresponding sides of the two triangles are equal. Hence, the triangles are congruent to each other using the SSS rule for congruency.

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The trigonometric function with its right triangle definition is matched as below:

(a) sine

opposite/hypotenuse

(b) cosine

adjacent/hypotenuse

(c) tangent

opposite/adjacent

(d) cosecant

hypotenuse/opposite

(e) secant

hypotenuse/adjacent

(f) cotangent

adjacent/opposite

We Know That,

i) sine =opposite side of the triangle /hypotenuse side of the triangle

ii) cosine=adjacent side of the triangle/hypotenuse side of the triangle

iii) tangent=opposite side of the triangle/adjacent side of the triangle

iv) cosecant=hypotenuse side of the triangle/opposite side of the triangle

v) secant=hypotenuse side of the triangle/adjacent side of the triangle

vi) cotangent=adjacent side of the triangle/opposite side of the triangle.

Therefore, each trigonometric function is matched with its right triangle definition

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Using the Side Angle Side Theorem, ∆KWL ≅ ∆ALW.

In the given question we have to

Prove: ∆KWL ≅ ∆ALW

Given: ∠KWL ≅ ∠WLK, ∠AWL ≅ ∠WLK

As given that

∠KWL ≅ ∠WLK

∠AWL ≅ ∠WLK

WL = WL (Diagonal)

Equal Parallel Sides

WK = AL

WA = KL

From Corresponding Angle Theorem

∠KWL=∠WLK and ∠AWL = ∠WLK

So ∠W=∠L

So from the Side Angle Side(SAS) Theorem

∆KWL ≅ ∆ALW.

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Answer:

61.2

Step-by-step explanation:

(36x2.9)-(24x1.8)

Answer

-117/640

Step-by-step explanation:

ba + cd

b= -7/16

a= 7/8

c= 08.(4/5)

d= 1/4

Hence it can be calculated as follows

-7/16×7/8 + 4/5×1/4

-49/128 + 1/5

-246+128/640

= -117/640

Answer: F = 1575

Step-by-step explanation: 1221 + 354 = 1575. So 1575 - 354 = 1221

The expression and the length of ribbon that she needs for both pillows is [tex]4(2x^{2} +4x-6)[/tex] , 130 inches .

Given:

The side length of the pillow is 2x2+1 inches. She plans to make a similar pillow, including the ribbon, whose side length is 4x-7 inches.

The length of ribbon :

= 4([tex]2x^{2} +1[/tex]) + 4(4x - 7)

= 4(2[tex]x^{2} +1[/tex]+4x - 7)

= 4([tex]2x^{2} +4x-6[/tex])

The length at x = 3.5 is,

= 4(2([tex]3.5^{2}[/tex])+4(3.5) - 6)

= 4(24.5+14-6)

= 4(24.5+8)

= 130 inches.

Therefore the expression and the length of ribbon that she needs for both pillows is [tex]4(2x^{2} +4x-6)[/tex] , 130 inches .

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Answer:

Step-by-step explanation:2x2+1 inches. She plans to make a similar pillow, including the ribbon, whose side length is 4x-7 inches. What

expression can be used for the length of ribbon that she needs for both pillows, and what is the length if x = 3:5?

In this question, line1 and line2 are parallel to each other by finding the slope.

What is the slope of line?

Given two line-side coordinates, use the slope formula to determine the slope of the line. The slope is defined as the ratio of the change in the y values to the change in the x values using the formula m=(y2-y1)/(x2-x1). x1 and y1 are represented by the first point's coordinates. The second points are located at x2, y2, and their locations. Whichever point you choose to classify as the first and which as the second doesn't matter.

We know that formula two find the slope of the line joining two points which is

Given four lines are

Line 1: y=1/2x -6

(Line 2: x-2y=-1

(Line 3: y=4x+6

(Line 4: y+3=1/4 (x-6)

We have to find out the slope of the corresponding lines such that

the slope of line 1 = 1/2

the slope of line 2 = 1/2

the slope of line 3 = 4

the slope of line 4 = 14

So the line has the same slope they are parallel to each other.

Hence in this question, line1 and line2 are parallel to each other.

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Answer:

√78,9,10

Step-by-step explanation:

we know [tex]9^{2}[/tex] is 81

so √78 is less than √81(9) and 10 is obviously more than 9

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This also leads us to the conclusion that we are 95 percent certain that the proportion of Guzzlers in the 2017 automobile models produced by American and international automakers differs.

A)  1: proportion of gas-guzzlers manufactured by American firms.

p2: proportion of gas-guzzlers manufactured by international firms.

In this way, the boundary of interest is p1 - p2.

B) H_0: p_1-p_2=0

H_1: p_1-p_2\neq0

C) The following requirements must be satisfied: n (1 p) 10 and np 10.

American Guzzlers do not meet this requirement because np = 7.

D) If H0 is true, the test statistics are as follows: frac(hat p_1-hat p_2)-(p_1-p_2)surfactant p_1(1-hat p_1)n_1+frachat p_2(1-hat p_2)n_2sim N(0,1)

E) The p-value is calculated by multiplying p-value by P(z-3.75) = 0.

F) The 95% confidence interval is calculated as follows: p_1-p_2=hat p_1-hat p_2pm z_0.975sqrtfrachat p_1(1-hat p_1) n_1+frachat p_2(1-hat p_2) n_2 -0.0859 p_1-p_2 -0.0269

g. H0 should be rejected because the p-value is less than the 0.05 significance level.

There is enough evidence for us to reject H0. There is sufficient evidence to draw the conclusion that the proportion of Guzzlers in 2017 automobile models produced by American and international automakers differs.

Additionally, the 95% CI does not contain zero, does it?This also leads us to the conclusion that we are 95 percent certain that the proportion of Guzzlers in the 2017 automobile models produced by American and international automakers differs.

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A guitar manufacturer sells 532,475 warranties and has to honor 12% of them. The profit the manufacturer gains from the warranties is $66,772,365 (option b)

Profit is calculated as:

Profit = revenues - total cost

While,

Revenues = number of goods sold x price per unit

In the given problem,

Revenues = number of warranty sold x price per warranty

                 = 532,475 x 225

                 = 119,806,875

Cost of honored warranty = number of honored warranty x guitar cost

                                           = 12% x 532,475 x 830

                                           = 53,034,510

Hence,

profit from warranty = 119,806,875 - 53,034,510

                                  = 66,772,365

The profit from warranty is $66,772,365 (option b)

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Answer:

its b

Step-by-step explanation:

Answer:a

Step-by-step explanation:

The relationship between pressure and temperature for a consisting of vapour and condensed phases is   [tex]l_{n}(p_{2}/p_{1}) = [ 1/T_{1}-1/T_{2}][(h_{g}-h_{f})/R][/tex].

The Clausius-Clapeyron equation is a differential equation which specifies the temperature dependence of pressure and vapour pressure. The Clausis-Clapeyron equation is named after Rudolf Clausius and Benoit Paul Emile Clapeyron.

The Clausius-Clapeyron equation at saturation temperature and pressure is

[tex]dP/dT[/tex]= [tex]h_{g} - h_{f}/T(v_{g}-v_{f} )[/tex]     →  1

Assuming that [tex]v_{g} > > > v_{f}[/tex] , we write

[tex]v _{g}[/tex] = RT/P   →   2  ( for both liquid and solid phases)

⇒     dP/dT   =   P([tex]h_{g} - h_{f}[/tex])/R[tex]T^{2}[/tex]

⇒     dP/P   =   dT/[tex]T^{2}[/tex]([tex]h_{g} - h_{f}[/tex]/R)   →  2

By integrating 2 , we get

                        [tex]l_{n}(p_{2}/p_{1}) = [ 1/T_{1}-1/T_{2}][(h_{g}-h_{f})/R][/tex]    →    3

Therefore, the equation to represent the relationship between pressure and temperature for a system consisting of vapour and condensed phases is equation 3  i.e.    [tex]l_{n}(p_{2}/p_{1}) = [ 1/T_{1}-1/T_{2}][(h_{g}-h_{f})/R][/tex]

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Answer: j = 9

Step-by-step explanation:

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

-1 = (3-(-5)) / (1-j)

-1 = (3+5) / (1-j)

-1 = 8 / (1-j)

Multiply both sides by 1 -j

= (1-j) = 8

= 1 - j = -8

= -j = -8 -1

j = 9

The slope of the line is -32, and the y-intercept is 480 if the equation of the line is y = -32x + 480.

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:

A linear equation has the form y = mx + b in the slope-intercept format. X and Y are the variables in the equation. The values m and b represent the line's slope (m) and the value of y when x is 0.

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

The equation of the line uses two points:

(0, 480) and (15, 0)

y = (-480/15)[x - 15]

y = -32(x - 15)

y = -32x + 480

y = mx + c

m = -32

c = 480

Thus, the slope of the line is -32, and the y-intercept is 480 if the equation of the line is y = -32x + 480.

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Answer:

Step-by-step explanation:

this is all about your algebra skillz,     learn it , know it , live it :P

anyway

I'll make this very detailed , so you see the process.  but lean it

3n+8 = 5n-4

begin using reverse operation order,   note you need to know  P.E.M.D.A.S  ,   Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction.   starting from the "Parenthesis,   and the working down thur each operation is forward operation order.  I bet nobody has told you this before, huh. So to do the algebra on the equation above use reverse operation order.

so, I'm going to move the -4 , first

3n+8+4 = 5n-4+4    ( do the same thing on both sides of the equal sign)

3n+12 = 5n

now I'm going to move the 3n

3n+12 -3n = 5n -3n  ( do the same on both sides again)

12 = 2n

now i'm moving up to Division,  b/c it's next on our order of operations,  i'll divide the 2 away from the n

12/2 = 2n / 2   ( same on both side again)

6 = n

now we have our answer for n,  nice :P  try this at home, school,  or at your local coffee shop  :P  

The equivalent resistance currents passing through each resistance  are: 1.8 A , 1.29A , 1A.

The total current passing through the circuit is  19.83 A.

The resistance 5Ω , 7Ω , 9Ω  which are are connected in parallel, then,

R1 =5Ω,

R 2=7Ω,

R3 =9Ω; supply voltage V=9 volt.

Effective resistance of parallel combination can be calculated as :

1/RP = 1/R1 + 1/R2 + 1/R3

1/RP= 1/5 + 1/7 +1/9

Rp = 0.45397Ω

Then the Current through  resistors

are R1,  I1 = V/R1 = 9/5 = 1.8A

R2,  I2 = V/R2 = 9/7 = 1.29A

R3,  I3 = V/R3 = 9/9 = 1A

Then Total current I = V/Rp = 9/ 0.45397 = 19.83 A

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