Please refer to this output. Method DE H-Value P-value
Not adjusted for ties 2 0.01 0.994
Adjusted for ties 2 0.01 0.994 Ten cities are selected, and the number of daily passenger trips (in thousands) for subways and commuter rail service is obtained. At alpha equal to 0.05, the researcher wants to check the strength of relationship between the variables. Assume that data is normally distributed For the next questions, please refer to this problem.
What does the test for significant relationship tell you? 1 point a. There is a significant relationship between the number of daily passenger trips (in thousands) for subways and commuter rail service? b. The simple linear regression equation conforms to the strength of relationship defined. c. It is good to proceed with defining the simple linear regression equation, d. There is no significant relationship between the number of daily passenger trips (in thousands) for subways and commuter rail service?

Aldo should choose Company A if he plans to drive more than 45 miles, and Company B if he plans to drive 45 miles or fewer.

Let's start by setting up an inequality to represent the mileage for which Company A charges less than Company B:

Cost of Company A < Cost of Company B

The cost of Company A is a constant $101, regardless of how many miles are driven. The cost of Company B, on the other hand, depends on the number of miles driven. If m represents the number of miles driven, then the cost of Company B can be expressed as:

Cost of Company B = $65 + $0.80m

Now we can substitute these expressions into the inequality we set up earlier:

$101 < $65 + $0.80m

Simplifying and solving for m:

$36 < $0.80m

$45 < m

Therefore, Company A will charge less than Company B for mileage greater than $45.

To summarize, Aldo should choose Company A if he plans to drive more than 45 miles, and Company B if he plans to drive 45 miles or fewer.

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Answer: 2,640 yards

Step-by-step explanation:

2,640 yards. Two and three-fourths miles is equal to 14,400 yards. 14,400 yards divided by 5, which is the number of yards in a mile, is equal to 2,640 yards.

Answer: 4,840 yards

Step-by-step explanation:

The largest angle is [tex]\frac{7a}{4}[/tex] and the smallest angle is [tex]\frac{3a}{4}[/tex].

In this case, we have the angles [tex]\frac{5a}{2}, \frac{3a}{4}, and \frac{7a}{4}[/tex]. So we can set up the equation:

[tex]\frac{5a}{2} + \frac{3a}{4} + \frac{7a}{4} = 180[/tex]

To solve for "a", we can simplify the left side of the equation by finding a common denominator:

[tex]\frac{(10a + 3a + 7a)}{4} = 180[/tex]

Simplifying the left side gives:

[tex]\frac{20a}{4} = 180[/tex]

And further simplifying gives:

5a = 180

Dividing both sides by 5 gives:

a = 36

Now that we know the value of "a", we can substitute it back into each angle expression to find their actual values:

[tex]\frac{5a}{2} = \frac{5(36)}{2} = \frac{903a}{4} = \frac{3(36)}{4} = \frac{277a}{4} = \frac{7(36)}{4} = 63[/tex]

Therefore, [tex]\frac{7a}{4} = 63[/tex] is the largest angle and [tex]\frac{3a}{4} = 27[/tex] is the smallest angle.

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Answer:

The answer is c 180 miles

Step-by-step explanation:

the exact is 179.8 miles rounded up is 180 mark brainliest pls and your welcome

The Wald Interval: Wald intervals can be used to obtain interval estimates for a parameter such as an odds ratio. Wald intervals can be used for normally distributed data, and for large samples, they can be used for binary data. Wald intervals are used to calculate confidence intervals.Using the Wald interval, the odds ratio and its 95% confidence interval are given by the formula  which is as follows:OR=Odds ratioZ_α/2=Z-value of a normal distribution at a level α/2 of significance SE=Standard errorOR=1.0599, Z_α/2=1.96, and SE=0.5704 can be obtained from the data in the table. Odds ratio (OR) is the ratio of the odds of an outcome in the treatment group compared to the odds of that outcome in the control group. The odds ratio indicates the likelihood of the outcome occurring in one group compared to the likelihood of it occurring in the other. In this case, OR=1.0599.Profile Likelihood: Profile likelihood is an approach that can be used to construct a confidence interval. The profile likelihood is a way of eliminating nuisance parameters, which are parameters that are not of direct interest but are necessary for calculating the parameter of interest. A confidence interval for the parameter of interest can be calculated using the profile likelihood.The odds ratio and its 95% confidence interval can be obtained using the profile likelihood.The odds ratio (OR) is given by the formulaOR=exp[θ], where θ is the natural logarithm of the odds ratio. In this case, OR=1.0599.The 95% confidence interval is obtained by finding the values of θ that correspond to the 2.5th and 97.5th percentiles of the distribution of the profile likelihood ratio test statistic. The profile likelihood ratio test statistic is defined as twice the difference in the log-likelihoods between the model with the parameter of interest fixed at its maximum likelihood estimate and the model with the parameter of interest estimated.The effect of the zero cell count on the confidence interval is that it makes the interval wider. When a cell count is zero, the odds ratio cannot be calculated, which can lead to a larger standard error and a wider confidence interval.

The good estimate of the mean for the given data is 31.40.

A stem-and-leaf diagram is a quantitative assessment of a collection of data in which the data values are divided into a "stem" (the first digit of the number) and a "leaf" (the remainder of the number) (the last digit of the number).

To estimate the mean of the data, we can use the stem-and-leaf plot and the given test scores:

Stem Leaves

6 0, 6, 8, 8, 6, 6, 7, 7, 8, 8, 9

7 0, 0

8 0, 6, 8

9 0

To calculate the mean, we add up all the values and divide by the total number of values:

(6 + 6 + 6 + 7 + 7 + 8 + 8 + 8 + 8 + 9 + 60 + 68 + 80 + 90 + 100)/15

Simplifying, we get:

mean = 471/15

mean = 31.40 (rounded to two decimal places)

Therefore, a good estimate of the mean for the given data is 31.40.

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The answer tο the pοsed questiοn using equatiοns is that hence, it will take 500 bacteria apprοximately 9.7 days frοm the day Sandy put her sandwich in her lοcker tο thοrοughly cοver it.

The equals sign (=) denοtes equality when twο statements are jοined by a mathematical equatiοn. A mathematical statement that establishes the equality οf twο mathematical expressiοns is knοwn as an equatiοn in algebra. Fοr instance, in the equatiοn 3x + 5 = 14, the equal sign divides the numbers. A mathematical fοrmula can be used tο identify the link between the twο sentences οn either side οf a letter.

The expοnential equatiοn fοr this prοblem is as fοllοws:

[tex]N(t) = e(kt) \times N_0 (kt)[/tex]

The data mentiοned above can be used to calculate the values of [tex]N_0[/tex] and k:

=>[tex]N (4) = \frac{71}{sN(7)} = 185[/tex]

These numbers are entered intο the formula as follows:

[tex]71 = N_0\times e^{(4k) (4k) (4k)}\\185 = N_0 \times e^{(7k) (7k) (7k)}\\185/71 = e^{(3k) (3k) (3k)}[/tex]

Hence, the equation for this prοblem is:

[tex]N(t) = 23.77 \times e^ {(0.3056t) (0.3056t) (0.3056t)}[/tex]

To determine hοw many days, it will take for 500 germs to prοliferate, we can set N(t) equal to 500 and solve for t:

[tex]500 = 23.77 \times e^ {(0.3056t) (0.3056t) (0.3056t)}[/tex]

Based οn t = ln (500/23.77) / 0.3056, 9.7 days.

Hence, it will take 500 bacteria rοughly 9.7 days from the day Sandy put her sandwich in her lοcker to thoroughly cοver it.

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Answer:

100°

Step-by-step explanation:

∠A and ∠B are supplementary angles, which means:

∠A° + ∠B° = 180°

[tex](2x) + (2x + 20) = 180[/tex]

Expand the parenthesis and solve for x:

[tex]2x + 2x + 20 = 180[/tex]

[tex]4x + 20 = 180[/tex]

[tex]4x = 180 - 20[/tex]

[tex]4x = 160[/tex]

[tex]x = \frac{160}{40}[/tex]

∴[tex]x = 40[/tex]

Substitute the value of x to determine the measurement of ∠B:

[tex]2(40) + 20[/tex]

[tex]80 + 20[/tex]

= 100°

The value of x is 6.25, or 20 when rounded to the nearest whole number. The correct answer is c.

To find the value of x, we need to use the formula for percentage change, which is:

Percentage change = (Final value - Initial value) / Initial value * 100

Let's say the initial number of employees is E and the initial wages per head is W. The initial total wages would be E * W.

After the increase in employees and decrease in wages, the final number of employees would be E * 1.25 and the final wages per head would be W * 0.75. The final total wages would be E * 1.25 * W * 0.75.

Now we can plug in these values into the formula for percentage change:

Percentage change = (E * 1.25 * W * 0.75 - E * W) / (E * W) * 100

Simplifying the equation, we get:

Percentage change = (0.9375 - 1) / 1 * 100

Percentage change = -0.0625 * 100

Percentage change = -6.25

This means that there is a 6.25% decrease in total wages. However, the question asks for the value of x, which represents the percentage decrease in total wages. Therefore, the value of x is 6.25, or 20 when rounded to the nearest whole number.

So, The correct answer is c. 20.

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The point (7,8) is located at the intersection of the vertical line x=7 and the horizontal line y=8.

The equation x-7=0 can be solved to find the value of x. To do this, we can add 7 to both sides of the equation to isolate the variable on one side of the equation. This gives us: x-7+7=0+7 or x=7. Now that we know the value of x, we can plot the point on the line with the y-coordinate y=8. To do this, we can start at the origin (0,0) and move 7 units to the right along the x-axis to the point (7,0). Then, we can move 8 units up along the y-axis to the point (7,8). This is the point that corresponds to the equation x-7=0 with the y-coordinate y=8. The plot of this point is shown below:



As shown in the plot above, the point (7,8) is located at the intersection of the vertical line x=7 and the horizontal line y=8.

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The solution to the equation 1/2 + 3y = y/5 is y = -3/14.

What is the linear equation in one variable?

A linear equation in one variable is an equation that can be written in the form:

ax + b = 0

where x is the variable, a and b are constants, and a is not equal to zero. The solution to the equation is the value of x that makes the equation true.

To solve for y in the equation 1/2 + 3y = y/5, we need to isolate y on one side of the equation.

First, we can simplify the left side of the equation by combining the like terms:

1/2 + 3y = (6/10) + (30y/10) = (6 + 30y)/10

Now we can rewrite the equation as:

(6 + 30y)/10 = y/5

To solve for y, we can start by multiplying both sides of the equation by 10, to eliminate the denominators:

6 + 30y = 2y

Next, we can simplify by subtracting 2y from both sides:

6 + 28y = 0

Finally, we can solve for y by subtracting 6 from both sides and then dividing by 28:

28y = -6

y = -6/28

Simplifying the fraction, we get:

y = -3/14

Therefore, the solution to the equation 1/2 + 3y = y/5 is y = -3/14.

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The point E' will have a y-value of -1 instead of 3 and x-value of 6 instead of -6.

A polygon is a two-dimensional shape composed of straight line segments that close in a loop to form a single shape. Generally, polygons have three or more sides and angles. Depending on the number of sides, polygons can be classified as triangles, quadrilaterals, pentagons, hexagons, and so on.

A reflection across the x-axis of the graph of polygon ABCDE with point E at (-6,3) would result in the creation of a second polygon A'B'C'D'E' with E' at (-6,-1). This is because the reflection flips the points across the x-axis, meaning all of the y-values of the points will be converted to the opposite sign. Therefore, in the new polygon, point E' will have a y-value of -1 instead of 3. This is because the reflection across the x-axis will cause the y-values of each point to flip signs, with the y-value of E increasing from -3 to -1.

Similarly, a reflection across the y-axis of polygon ABCDE with point E at (-6,3) would result in the creation of polygon A'B'C'D'E' with E' at (6,1). This is because the reflection flips the points across the y-axis, meaning all of the x-values of the points will be converted to the opposite sign. Therefore, in the new polygon, point E' will have an x-value of 6 instead of -6. This is because the reflection across the y-axis will cause the x-values of each point to flip signs, with the x-value of E increasing from -6 to 6.

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Answer:

Reflection across y = 1

Step-by-step explanation:

i got this right on the flvs test!

Answer: 200

Step-by-step explanation:

40% of y = 100

40/100 of y = 100

40y/100 = 100

40y = 100 multiplied by 100

40y/40 = 10000

y = 250.

40% of 2 multiplied by 250

40/100 of 500

40 multiplied by 5

answer = 200.

In response to the aforementioned query, we may say that D is equal to equation sqrt((3 - 3)2 + (-8 - 2)2 = sqrt(0 + (-10)2) = sqrt(100) = 10. As a result, it takes 10 units to get from position X to point Y.

A mathematical equation links two statements and utilises the equals sign (=) to indicate equality. In algebra, an equation is a mathematical assertion that proves the equality of two mathematical expressions. For instance, in the equation 3x + 5 = 14, the equal sign separates the numbers by a gap. A mathematical formula may be used to determine how the two sentences on either side of a letter relate to one another. The logo and the particular piece of software are usually identical. like, for instance, 2x - 4 = 2.

The distance formula may be used to determine the separation between two points:

Sqrt((x2 - x1) + (y2 - y1)) = sqrt(d)

where d is the distance between the two locations, and (x1, y1) and (x2, y2) are the coordinates of the two points.

We may get the separation between points X at (3, 2) and Y at (3, -8), using the following formula:

D is equal to sqrt((3 - 3)2 + (-8 - 2)2 = sqrt(0 + (-10)2) = sqrt(100) = 10.

As a result, it takes 10 units to get from position X to point Y.

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Answer:

6(n − 5) < 3(n + 4)

6n - 30 < 3n + 12 // Distribute the 6 and 3

3n < 42 // Add 30 to both sides

n < 14 // Divide both sides by 3

So the inequality is true for n < 14. This means that the only integer in the set S that satisfies the inequality is 11. Therefore, the solution is S:{11}.

The contractor has 5.95 hours for the job if  $930 is spent by him.

The total cost for the job can be modeled by C = 42H + 680, where C is the total cost of the job, H is the number of hours of labor, and 680 is the cost of materials.

If the owner wants to spend $930 for the job, then the number of hours that the contractor has for the job can be found by solving the equation C = 42H + 680 for H.

Thus, 42H + 680 = 930. Subtracting 680 from both sides gives 42H = 250. Dividing both sides by 42 gives H = 250/42 = 5.95 hours.

Therefore, the contractor has 5.95 hours for the job if the owner wants to spend $930.

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Answer:

  BD = 5√3

  AD = 10

  CD = 10√3

Step-by-step explanation:

You want the missing side lengths in a right-triangle geometry that shows the hypotenuse divided into lengths 5 and 15 by the altitude.

In this geometry, all of the right triangles are similar. The similarity proportions can be solved to give three geometric mean relationships:

  BD = √(AB·CB) = √(5·15) = 5√3

  AD = √(AB·AC) = √(5·20) = 10

  CD = √(CB·CA) = √(15·20) = 10√3

__

Additional comment

It can be handy to remember the geometric mean relations. They can be thought of as "each side is equal to the geometric mean of the hypotenuse segments it touches." (Note that touching the end is interpreted as touching the nearest part and the whole.)

For example, the similarity proportion for AD is ...

  hypotenuse/(short side)

  AD/AB = AC/AD   ⇒    AD² = AB·AC   ⇒   AD = √(AB·AC)

These are called "geometric mean" relations because the geometric mean of two numbers is the square root of their product.

The measures of EF and EC in the rhombus is as follows:

EC = 8√33 and EF = 4√33.

Given that it meets the criteria for a parallelogram—a quadrilateral with two sets of parallel sides—a rhombus can be described as a special parallelogram. A rhombus also has four equal sides, much like a square, which is another feature. For this reason, it is often referred to as a tilted square.

We know that diagonals bisect each other perpendicularly, from the right triangle FED,

we have that:

x² + 16² = 28²

⇒ x² = 784-256

⇒ x = 4√33

Therefore, EF = x = 4√33

Since EC is twice EF, then, EC = 2 × 4√33

= 8√33

Therefore, EC = 8√33 and EF = 4√33.

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The complete question is:

If the quadrilateral below is a rhombus, find the missing measures. BC=28 BD=32

Find Ef and EC

No function exists in this relation. No, since there isn't always a single output for every input.

What is a function?

Each element of X receives exactly one element of Y when a function from one set to the other is used. The sets X and Y are collectively referred to as the function's domain and codomain, respectively. Initially, functions represented the idealized relationship between two changing quantities.

Here, we have

Given: The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable.

We have to show the relation between a function.

The x-values are entered into the function machine. The function machine generates the y-values after its operations are complete. Any internal function is possible.

A mapping diagram with arrows pointing from negative 3 to 0, negative 1 to 2, 1 to 0, 3 to 2, and 5 to 5, as well as two circles with the numbers 0, and labels for the x and y values, respectively

but according to the definition of y, it should give only one value

Hence, it is not a function.

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The correct statement regarding whether there are two parallel lines is given as follows:

C. Yes, lines n and p are parallel because corresponding angles are congruent.

When two parallel lines are cut by a transversal, corresponding angles are pairs of angles that are in the same position relative to the two parallel lines and the transversal. Corresponding angles are always congruent, which means that they have the same measure.

The angles in the same position for this problem are given as follows:

1 and 2.

The parallel lines relative to which these two angles are at the same position are given as follows:

n and p.

Hence the correct option is given by option c.

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Correct statements are m∠C = m∠F, ΔABC ~ ΔDEF and 3/5 = y/z

Similar triangles are triangles that have the same shape but can be of different sizes. All equilateral triangles and squares of any length are examples of similar objects. That is, if two triangles are similar,  their corresponding angles are congruent and their corresponding sides have the same proportions. Here, triangle similarity is indicated by the symbol '~'.

Given,

two triangles ABC and DEF

m∠A = m∠D = 40°

m∠B = m∠E = 60°

Sum of all interior angles of a triangle is equal to 180°

m∠A + m∠B + m∠C = m∠D + m∠E + m∠F = 180°

40 + 60 + m∠C = 40 + 60 + m∠F

m∠C = m∠F

All three angles are congruent

By A-A-A rule

ΔABC ~ ΔDEF

ratio of corresponding sides will be equal

6/10 = y/z

3/5 = y/z

Hence, m∠C = m∠F, ΔABC ~ ΔDEF and 3/5 = y/z are the correct statement.

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Answer: Emily must save $60 per week.

Step-by-step explanation:

$850- $250= $600

$600/ 10= $60

Not sure where the x plays into this, but I hope this helped!

To figure out how much Emily needs to save each week in order to buy the iPhone 7 in 10 weeks, we must first figure out the amount that money she still requires to save.

The iPhone 7 costs $850, and Emily has indeed saved $250. As a result, she must proceed to save: $850 - $250 = $600 Now we need to start figuring out the amount that Emily needs to save every week in order to reach her $600 goal in 10 weeks.

To do so, simply divide amount she requires to save it by the amount of weeks she has: $600 ÷ 10 weeks = $60/week So Emily requires to save $60 a week for the next ten weeks in order to afford the iPhone 7.

To sum up, Emily must save $600 in total in order to buy the iPhone 7, and she's got 10 weeks to do so. To reach her goal, she must save $60 per week for ten weeks ($600).

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Answer:

C

Step-by-step explanation:

6x° and 60° form a right angle and sum to 90° , that is

6x + 60 = 90 ( subtract 60 from both sides )

6x = 30 ( divide both sides by 6 )

x = 5

The expected lifetime reproductive value for an individual in a population with an intrinsic rate of increase (r) of 0 is 1, the correct option is A.

The calculation for the expected lifetime reproductive value can be expressed as:

R₀ = ∑ lxmx

In a stable population with an intrinsic rate of increase of 0, the survival probability (lx) is constant across all age classes, and the average number of offspring produced by an individual (mx) is also constant.

R₀ = lxm

where l is the survival probability and m is the average number of offspring per individual.

Since the population is stable, each individual replaces itself with one offspring, so m = 1.

Therefore, the calculation for the expected lifetime reproductive value in a population with an intrinsic rate of increase of 0 is:

R₀ = lxm = 1 x 1 = 1, the correct option is A.

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The length of the arc intercepted by a central angle of \( \frac{\pi}{2} \) radians in a circle with a radius of \( 11 \mathrm{in} \) is \( \frac{11\pi}{2} \mathrm{in} \).

To find the length of the arc intercepted by a central angle of \( \frac{\pi}{2} \) radians in a circle with a radius of \( 11 \mathrm{in} \), we can use the formula for arc length: \( s = r\theta \), where \( s \) is the arc length, \( r \) is the radius of the circle, and \( \theta \) is the central angle in radians.

Plugging in the given values, we get:

\( s = (11 \mathrm{in})(\frac{\pi}{2}) \)

Simplifying, we get:

\( s = \frac{11\pi}{2} \mathrm{in} \)

Therefore, the length of the arc intercepted by a central angle of \( \frac{\pi}{2} \) radians in a circle with a radius of \( 11 \mathrm{in} \) is \( \frac{11\pi}{2} \mathrm{in} \).

Note: If the question asks for the answer to be rounded, you can use a calculator to find the approximate value of \( \frac{11\pi}{2} \) and round to the desired number of decimal places. For example, if the question asks for the answer to be rounded to the nearest tenth, the answer would be \( 17.3 \mathrm{in} \).

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We have that, given the equation x^(2)+(144)/(1369)(144)/(1369)=13 , we will have as a solution x = 485/1369

To isolate the variable term and simplify the right, we need to follow the steps below:

Step 1: Subtract the fraction term from both sides of the equation.

[tex]x^2+(144/1369)(144/1369) - (144/1369)(144/1369) = 13 - (144/1369)(144/1369)[/tex]

Step 2: Simplify the right side of the equation by multiplying the fractions and then subtracting from 13.

[tex]x^2 = 13 - (20736/1874161)[/tex]

Step 3: Combine the terms on the right side of the equation by finding a common denominator and subtracting.

[tex]x^2 = (24320661/1874161) - (20736/1874161)[/tex]

Step 4: Simplify the right side of the equation by subtracting the numerators and keeping the common denominator.

[tex]x^2 = (24320661 - 20736)/1874161[/tex]

Step 5: Simplify the fraction on the right side of the equation by reducing to lowest terms.

[tex]x^2 = (24300025/1874161)[/tex]

Step 6: Take the square root of both sides of the equation to isolate the variable term.

[tex]x = \sqrt{(24300025/1874161)}[/tex]

Step 7: Simplify the square root by factoring out any perfect squares.

[tex]x = \sqrt{(485^2)/(1369)}[/tex]

Step 8: Simplify the square root by taking the square root of the perfect squares.

[tex]x = 485/1369[/tex]

Therefore, the solution to the equation is [tex]x = 485/1369[/tex].

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Subtracted the polynomials of (2.62a⁴-0.029a³+1.65)-(0.97a⁴-0.081a³+0.54a²) is  1.65a⁴ + 0.052a³ - 0.54a² + 1.65

To subtract the polynomials, we need to subtract the corresponding terms of each polynomial. This means we need to subtract the coefficients of each term with the same degree.

So, we have:
(2.62a⁴ - 0.97a⁴) + (-0.029a³ - (-0.081a³)) + (0 - 0.54a²) + (1.65 - 0)

Simplifying each term gives us:
1.65a⁴ + 0.052a³ - 0.54a²+ 1.65

So, the final answer is:
1.65a⁴ + 0.052a³ - 0.54a² + 1.65

This is the simplified form of the difference between the two polynomials.

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Natural numbers are squared to get the succession of square numbers. These sequence's initial terms  includes 1, 4, 9,16, 25, so on and so forth.

We must square the fifth natural integer, which is five, in order to determine the fifth term in this series. As a result, 25 is the fifth term in the square number series.

In a more general sense, n2 represents the nth phrase in the series of square numbers. This is so that the nth term, which is n, equals the rectangle of the nth arbitrary integer.

Tn = n2 is the formulae for the nth term. The chain of square integers is a direct example of the more generic order of degrees.

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From the given sequence we can observe that, each term is obtained by dividing the previous term by 3.

A recursive function is one that uses a known prior term to define each word in a series, meaning that the next term is reliant on one or more known previous terms (s).

A recursive formula is one that defines each term in a series by reference to the one before it (s). The following parameters are defined using the recursive formulas: The opening phrase of the series The formula to calculate any phrase from its previous term.

Also, the first term is 18.

Thus, the recursive formula is given as:

aₙ = aₙ₋₁ ÷ 3

Now, the nth term is obtained by using the nth term formula:

a = 18 ÷ 3 ⁽ⁿ⁻¹⁾

Hence, the recursive formula is aₙ = aₙ₋₁ ÷ 3 and the nth term of the sequence is a = 18 ÷ 3 ⁽ⁿ⁻¹⁾.

Learn more about sequence here:

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