Sales associates at an electronics store earn different commission
percentages based on the items they sell. The table shows the total
sales and commission earnings for four sales associates at the
electronics store last month.
GIFTING EXTRA POINTS

Theorem 10.18 states that the remainder R-Sn is bounded by the absolute value of the next term in the series, which is also the absolute value of the (n+1)th term. To determine how many terms of a given convergent series must be summed to ensure that the remainder is less than

[tex]10 { }^{ - 4} [/tex]in magnitude.

We are given an alternating series, and we need to estimate the error in using the nth partial sum to approximate the sum of the series. This is a useful tool for estimating the error in approximating the sum of a series.

To apply Theorem 10.18, we need to evaluate the nth partial sum for the given value of n and find the absolute value of the (n+1)th term. We can use these values to estimate the error in approximating the sum of the series.

This is a common question in numerical analysis and involves estimating the error in approximating the sum of a series and then choosing the number of terms needed to achieve a desired level of accuracy.

These problems involve using techniques from calculus and numerical analysis to estimate errors in approximating the sums of series. These concepts are important in many areas of mathematics and science, including statistics, physics, and engineering.

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The pre-1982 pennies contribute a mass of 24.8 grams to the sample.

We have,

The total number of pennies in the sample is 8 + 12 = 20, and the pre-1982 pennies account for 40% of the sample,

This means,

0.4 x 20 = 8 pre-1982 pennies in the sample.

To find the mass contributed by the pre-1982 pennies, we can use the average mass of pre-1982 pennies, which is 3.1 grams:

Mass contributed by pre-1982 pennies

= 8 x 3.1 grams

= 24.8 grams

Therefore,

The pre-1982 pennies contribute a mass of 24.8 grams to the sample.

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There is 75% of getting at least two tiles of vowels

Fits, less than two of the tiles are vowels

= 11 + 39

= 50

Now, at least two of tiles are vowels

= 200 - 50/ 200

= 150/200

= 0.75 x 100

= 75%

There is 75% of getting at least two tiles of vowels

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There will always be at least two blue balls that are adjacent to each other.

To show that no matter how the balls are arranged, after they are painted, there will always be at least two blue balls that are adjacent to each other, we can use the Pigeonhole Principle.

First, let's consider the worst-case scenario, which is when the blue balls are arranged such that they are as spread out as possible. In this case, we can imagine that the 15 white balls are arranged in a straight line, with 7 blue balls and 8 green balls interspersed in such a way that there are no two blue balls that are adjacent to each other.

Now, let's place each of the 7 blue balls in a pigeonhole that corresponds to their position in the line. Specifically, the first blue ball goes in the first pigeonhole, the second blue ball goes in the second pigeonhole, and so on, until the seventh blue ball goes in the seventh pigeonhole.

Since there are only 7 pigeonholes and 7 blue balls, at least one pigeonhole must contain two blue balls. And since the only way for two blue balls to be in the same pigeonhole is for them to be adjacent to each other in the line, we have shown that no matter how the balls are arranged, after they are painted, there will always be at least two blue balls that are adjacent to each other.

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The original claim in symbolic form is μ = 68.9 bpm, and the null and alternative hypotheses are H0: μ = 68.9 bpm and Ha: μ ≠ 68.9 bpm.

Let's break it down step by step.

a. Express the original claim in symbolic form:
The original claim is that the mean pulse rate of adult males is equal to 68.9 bpm. We can represent this claim using the following symbols:
μ = 68.9 bpm

b. Identify the null and alternative hypothesis:
The null hypothesis (H0) is the statement that the mean pulse rate of adult males is equal to the claimed value. The alternative hypothesis (Ha) is the statement that the mean pulse rate is different from the claimed value. In this case, the hypotheses can be written as:

H0: μ = 68.9 bpm
Ha: μ ≠ 68.9 bpm

To summarize, the original claim in symbolic form is μ = 68.9 bpm, and the null and alternative hypotheses are H0: μ = 68.9 bpm and Ha: μ ≠ 68.9 bpm.

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Answer:

[tex]\frac{2}{15}[/tex]

Step-by-step explanation:

1. There are 9 balls in total in the first box, and 6 red balls in there so we would represent this as [tex]\frac{6}{9}[/tex] and that can be simplified to [tex]\frac{1}{3}[/tex] .

2. There are 5 balls in total in the second box, and 2 blue balls in there, so we would represent this as [tex]\frac{2}{5}[/tex] . This can't be simplified, so we leave it like that.

3. Because it's a consecutive event we multiply the probabilities, which gives us [tex]\frac{2}{15}[/tex] . This can't be simplified, and that gives us our answer.

When current is inversely proportional to the resistance in a circuit, the current when the resistance is 90 ohms is equals to 0.540 Ampere.

In an electrical circuit, the current is inversely proportional to the resistance.

Resistance = 200 ohms

Current = 1.2 ampere

If resistance is 90 ohms then we have to determine the value of current. According to condition, I = kR ,

where, I --> current

k --> constant of Proportionality

R--> resistance

Now, the proportionality constant, k = I/R

=> k = 1.2/200

=> k = 0.006

So, value of current when resistance R = 90 ohms, for this plug in above equation,

=> I = 0.006 × 90

= 0.540

Hence, required value is 0.540 ampere.

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Answer: Perimeter: 60ft Area: 150ft^2

Step-by-step explanation:

Since the area of a triangle is equal to the (base*height)/2, you can take the values of each and turn it into an equation like this:

[tex]\frac{25\cdot12}{2}[/tex]

This comes out to be 150ft^2.

Next is the perimeter, which is all of the side lengths of a shape added together.

15+20 is equal to 35, then when you add 25 to it, you get 60.

This means the perimeter is 60 and the area is 150ft^2

The point-slope form of the line with slope −14 that passes through the point (−2, 9) include the following: A. y - 9 = -14(x + 2), y minus 9 equals negative 1 fourth left parenthesis x plus 2 right parenthesis.

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical equation (formula):

y - y₁ = m(x - x₁)

Where:

At data point (-2, 9) and a slope of -14, a linear equation for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - 9 = -14(x - (-2))  

y - 9 = -14(x + 2)

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The  inequality equation is 15x - 120 ≥ 75.

The number of hours Alonzo must work to achieve his goal is 13 hours.

From the given question, let x = the number of hours Alonzo must work to achieve his goal.

Our inequality equation becomes the following;

15x - 120 ≥ 75

Now solve for x;

15x ≥ 75 + 120

15x ≥ 195

x ≥ 195/15

x ≥ 13

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The probability of 3 dying of SIDS in this situation is approximately 0.000227. The number of SIDS cases in this hospital is significantly higher than the expected rate.

a. The probability of 3 infants dying of SIDS in this situation can be calculated using the binomial probability formula:
P(X=k) = C(n,k) * p^k * (1-p)^(n-k)
Where:
P(X=k) is the probability of k successes (SIDS cases) in n trials (infants),
C(n,k) is the number of combinations of n items taken k at a time,
p is the probability of SIDS (0.0001),
n = 100 infants,
k = 3 SIDS cases.
P(3 SIDS cases in 100 infants) = C(100,3) * (0.0001)^3 * (1-0.0001)^(100-3)
After calculating, the probability is approximately 0.000227.

b. In this situation, it is alarming that many infants died of SIDS, as the probability of 3 deaths in 100 infants is very low (0.000227), much lower than the prevalence of 0.01%. This indicates that the number of SIDS cases in this hospital is significantly higher than the expected rate.

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In summary, changing the population mean affects the position or location of the confidence interval but does not directly impact its length. The length of the confidence interval is primarily influenced by the standard deviation and the sample size.

When the population standard deviation (σ) is large, confidence intervals tend to be wider or longer. This is due to the nature of how confidence intervals are constructed and the relationship between standard deviation and precision.

Conceptually, a confidence interval is a range of values that is likely to contain the true population parameter with a certain level of confidence. The width of the confidence interval depends on various factors, including the sample size, the variability of the data, and the desired level of confidence.

When the standard deviation is large, it indicates that the data points are spread out over a wider range. This high variability in the data means that individual sample observations can differ significantly from the population mean. As a result, to capture a larger range of possible values for the population mean within the confidence interval, the interval needs to be wider.

Mathematically, the width of a confidence interval is proportional to the standard deviation (σ) divided by the square root of the sample size (n). When σ is larger, the numerator of this ratio increases, causing the width of the interval to increase. On the other hand, as the sample size increases, the denominator of the ratio increases, leading to a narrower interval.

In summary, when the standard deviation is large, the data points are more spread out, and there is more uncertainty in estimating the true population mean. To account for this higher variability and capture a wider range of possible values, confidence intervals need to be wider or longer. On the other hand, when the standard deviation is small, the data points are more clustered around the mean, resulting in a narrower interval and higher precision in estimating the population mean.

2. Yes, changing the population mean (µ) does influence the length of the confidence interval.

The length of a confidence interval is determined by various factors, including the standard deviation (σ), the sample size (n), and the level of confidence. However, the population mean (µ) itself does not directly impact the length of the confidence interval.

The population mean affects the point estimate of the sample mean, which is used to calculate the center or midpoint of the confidence interval. A higher population mean would lead to a higher sample mean, resulting in a shift of the confidence interval along the number line. However, the length of the interval is primarily determined by the standard deviation and the sample size.

When the population mean is changed, the location of the confidence interval shifts, but the width or length of the interval remains relatively unchanged if the standard deviation and sample size remain the same. This is because the standard deviation reflects the variability of the data, which determines how spread out the observations are around the mean.

In summary, changing the population mean affects the position or location of the confidence interval but does not directly impact its length. The length of the confidence interval is primarily influenced by the standard deviation and the sample size.

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Answer: 206

360 (full circle/angle) - 64 = 296

296 - 42 = 254

254 - 48 = 206

x = 206*  GUYS THE ANSWER IS 206 not 360

With a 3% annual inflation rate, the predicted cost of the fence after four years is $28,138.75.

The inflation rate is the percentage by which a currency devalues over time. The fact that the consumer price index (CPI) rises over this period demonstrates the devaluation. In other words, it is the pace at which the currency is devalued, leading overall consumer prices to rise compared to the change in currency value.

To calculate the projected cost of the fence after 4 years with an annual inflation rate of 3%, we can use the following formula:

[tex]Projected Cost = Current Cost * (1 + Inflation Rate)^{Number of Years[/tex]

Plugging in the given values, we get:

Projected Cost = $25,000 x (1 + 0.03)⁴

Projected Cost = $25,000 x 1.1255

Projected Cost = $28,138.75

Therefore, the projected cost of the fence after 4 years with an annual inflation rate of 3% is $28,138.75.

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The vehicles that are worth less than $3,000 a decade after purchasing new are the Wagon, Convertible, and Sport.

To determine which vehicles are worth less than $3,000 a decade after purchasing new, we can use the following formula:

Final Value = MSRP * (1 - Depreciation Rate)^10

For each vehicle, let's calculate the final value after 10 years and see if it's less than $3,000:

Therefore, the vehicles that are worth less than $3,000 a decade after purchasing new are the Wagon, Convertible, and Sport.

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The probability of p(placebo and improvement) is 7.6%.

Here, we have,

Given that

Participants in a study of a new medication received either medication A or a placebo.

We have to find

The probability of P(placebo and improvement).

According to the question

Participants in a study of a new medication received either medication A or a placebo.

Let Probability that participants received medication A = P(M) = 0.80

Probability that participants received placebo = P(P) = 1 - P(M) = 1 - 0.80 = 0.20.

Because there are only two cases either medication A or a placebo.

Let I = event that there is an improvement.

Also, the Probability that participants reported improvement given that they had received medication A = P(I/M) = 0.76

The probability that participants reported no improvement given that they had received placebo = P(I'/P) = 0.62

So, Probability that participants reported improvement given that they had received placebo is,

=  P(I / P) = 1 - P(I' / P) = 1 - 0.62 = 0.38

Now, Probability of (placebo and improvement) = Probability that participants received placebo times Probability that participants reported improvement given that they had received placebo.

P(placebo and improvement) =  P(P)  times  P(I / P)  

P(placebo and improvement) =  0.20 times 0.38  =  0.076  or  7.6%

Therefore, the required probability of p(placebo and improvement) is 7.6%.

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With 95.5% confidence that the true difference between the means of the two populations falls within the interval (-19.052, -11.148)

To find the confidence interval for the difference of the means, we can use the formula:

[tex]Confidence Interval = (X1 - X2) ±\frac{ta}{2} , df \sqrt{\frac{(s1)^{2} }{n1} + \frac{(s2)^{2} }{n2}  }[/tex]

where x1 and x2 are the sample means, s1 and s2 are the sample standard deviations, n1 and n2 are the sample sizes, and tα/2,df is the t-score from the t-distribution table with (n1 + n2 - 2) degrees of freedom and a confidence level of 95.5%.

Plugging in the given values, we get:

[tex]Confidence Interval =  (57.5 - 72.6) ± t0.022,81 \sqrt{\frac{(5.8)^{2} }{43} + \frac{(11)^{2} }{40} }[/tex]
[tex]Confidence Interval = -15.1 ± 2.539  (1.553)[/tex]
Confidence Interval = -15.1 ± 3.952
Confidence Interval = (-19.052, -11.148)

Therefore, we can say with 95.5% confidence that the true difference between the means of the two populations falls within the interval (-19.052, -11.148).

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We have reduced the given word to the normal form word [tex]$a^2$[/tex], with [tex]$m=1$[/tex].

(a) We can use the following circulation rules to simplify the given word:

Rule 1: [tex]$aa^{-1}$[/tex] and [tex]$a^{-1}a$[/tex] can be replaced with the empty word.

Rule 2: [tex]$aa$[/tex] and [tex]$bb$[/tex] can be replaced with [tex]$a^2$[/tex] and [tex]$b^2$[/tex], respectively.

Rule 3: If a subword [tex]$aba^{-1}$[/tex] or [tex]$bab^{-1}$[/tex] appears, it can be replaced with [tex]$a^{-1}b^{-1}ab$[/tex] or [tex]$b^{-1}a^{-1}ba$[/tex], respectively.

Using these rules, we can simplify the given word as follows:

[tex]$a b c b^{-1} d c^{-1} d^{-1} a^{-1} & =a \cdot b \cdot c \cdot b^{-1} \cdot d \cdot c^{-1} \cdot d^{-1} \cdot a^{-1} \\$ =a \cdot b \cdot b^{-1} \cdot d \cdot c^{-1} \cdot c \cdot d^{-1} \cdot a^{-1} \\$ =a \cdot d \cdot d^{-1} \cdot a^{-1} \\$ =a^2$[/tex]

So we have reduced the given word to the normal form word [tex]$a^2$[/tex], with [tex]$m=1$[/tex].

(b) Using the same circulation rules, we can simplify the given word as follows:

[tex]$a b a^{-1}-c d b^{-1}-c^{-1} d^{-1} & =a \cdot b \cdot a^{-1}-c \cdot d \cdot b^{-1}-c^{-1} \cdot d^{-1} \\$ =a^2-c \cdot d \cdot b^{-1}-c^{-1} \cdot d^{-1} \\$ =a^2-c \cdot d \cdot b^{-1}-c \cdot d^{-1} \cdot c^{-1} \\$ =a^2-\left(c d^{-1}\right) \cdot\left(c^{-1} b\right) \\$ =a^2-\left(c d b^{-1}\right)^{-1} \\$ =a^2-\left(b d c^{-1}\right)^{-1} \\$ =a^2$[/tex]

So we have reduced the given word to the normal form word [tex]$a^2$[/tex], with [tex]$m=1$[/tex].

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So the difference among smaller number is 70 and the larger number is 210.

One of the most crucial operations in algebra, which is achieved by removing two integers, produces difference in mathematics. It reveals how much one number deviates from another. To determine how many numbers are between the two supplied numbers is the goal of determining the difference in arithmetic.  

The product of the sine of the primary angle and the cosine of the second angle less the product of the cosine of the first degree and the sine of the second angle is the sine of the difference of two angles, according to the difference formula for sines.

Let the smaller number be x. Then the larger number is 3x.

According to the problem, we have:

3x - x + 80 = 4x - 60

Simplifying and solving for x:

2x + 80 = 4x - 60

140 = 2x

x = 70

So the smaller number is 70 and the larger number is 3x = 3(70) = 210.

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Correct Question:

The difference of two numbers plus 80 units is equal to four times the smaller number minus 60 units. Find the two numbers if the larger is three times the smaller.

The test statistic is z = 1.75.

To find the test statistic, we first need to calculate the sample proportion. The sample proportion is calculated by dividing the number of community college students with a smartphone (193) by the total sample size (442):
p-hat =[tex]= \frac{193}{442} = 0.436[/tex]

Next, we need to calculate the standard error of the proportion, which is given by:
SE = [tex]\sqrt{\frac{(p-hat)(1 - p-hat)}{n}}[/tex]
SE = [tex]\sqrt{\frac{(0.436)(1 - 0.436)}{442}}[/tex]
SE = 0.032

Finally, we can calculate the test statistic (z-score) using the formula:
z = [tex]\frac{[p-hat-(p)] }{SE}[/tex]
z = [tex]\frac{[0.436-(0.38)] }{0.0032}[/tex]
z = 1.75

Rounding to two decimal places, the test statistic is z = 1.75.

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Answer: 240

Step-by-step explanation: i look it up and it says 240

i hope this helps

There are multiple expressions that equal 4 x 10^6, but here are some possible options: Note that all of these expressions simplify to [tex]4 * 10^6.[/tex]

A group of words coupled with the operations +, -, x, or form an expression, such as 4 x 3 or 5 x 2 3 x y + 17. A statement with an equals sign, such as 4 b 2 = 6, asserts that two expressions are equal in value and is known as an equation. Monomial Expression is one of the three primary categories of algebraic expressions.

Binary Expression. Expression of a polynomial.

Expressions:

4,000,000

[tex]40 * 10^5\\400 * 10^4\\0.4 * 10^7\\0.04 * 10^8[/tex]

Note that all of these expressions simplify to [tex]4 * 10^6[/tex].

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Five other iterated integrals that are equal to the given iterated integral are:

∫₀⁷ ∫y²₂ ∫₀ʸ f(x, y, z) dx dz dy

∫₀⁷ ∫₀ʸ ∫y²₂ f(x, y, z) dx dz dy

∫y²₂ ∫₀⁷ ∫₀ʸ f(x, y, z) dx dy dz

∫y²₂ ∫₀ʸ ∫₀⁷ f(x, y, z) dx dy dz

∫₀ʸ ∫y²₂ ∫₀⁷ f(x, y, z) dz dx dy

To find the five other iterated integrals that are equal to the given iterated integral, we need to rearrange the order of integration. We can do this by changing the order of the limits of integration and writing the integral with respect to a different variable first.

The original integral is:

∫₀⁷ ∫y²₂ ∫₀ʸ f(x, y, z) dz dx dy

Now, we can change the order of integration in the following ways:

∫₀⁷ ∫y²₂ ∫₀ʸ f(x, y, z) dx dz dy

∫₀⁷ ∫₀ʸ ∫y²₂ f(x, y, z) dx dz dy

∫y²₂ ∫₀⁷ ∫₀ʸ f(x, y, z) dx dy dz

∫y²₂ ∫₀ʸ ∫₀⁷ f(x, y, z) dx dy dz

∫₀ʸ ∫y²₂ ∫₀⁷ f(x, y, z) dz dx dy

Each of these integrals has the same value as the original integral, but with a different order of integration. It is important to note that changing the order of integration can sometimes make the integral easier to evaluate, especially if the integrand has certain symmetries.

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The given argument is valid.

To show that the following argument is valid, we will use the given terms and follow a step-by-step explanation.

Argument: [p ∩ (p → q) ∩ (s ∪ r) ∩ (r → ¬p)] → (s ∪ t)

Steps:

1. p (Premise)
2. p → q (Premise)
3. q (From 1 and 2 using Modus Ponens: If p is true and p → q is true, then q is true)
4. r → ~p (Premise)
5. q → ~r (From 1 and 4 using the Contrapositive: If p is true and r → ~p is true, then q → ~r is true)
6. ~r (From 3 and 5 using Modus Ponens: If q is true and q → ~r is true, then ~r is true)
7. s ∪ r (Premise)
8. s (From 6 and 7 using Disjunction Elimination: If ~r is true and s ∪ r is true, then s is true)
9. ∴ s ∪ t (From 8 using Disjunction Introduction: If s is true, then s ∪ t is true)

By following these steps, we have shown that the given argument is valid.

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No, the relation is not a function because there are two ordered pairs with the same first element (0), but different second elements (-1 and 4). In order for a relation to be a function, each input (first element) must correspond to only one output (second element).

To determine if the relation is a function in the context of math and models, we must check if each input (x-value) has a unique output (y-value).

The given relation is { (0, -1), (2, -2), (1, 3), (0, 4) }.

Notice that input 0 has two different outputs, -1 and 4, which means it does not satisfy the condition for being a function.

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The distance form point A to point B is 333 feet.

An angle of depression is the measure of an angle formed when an object is viewed below the horizontal plane by an observer.

In the given question, let the distance from point A to the base of the lighthouse be represented by x, and that of B to the base of the lighthouse as y.

So that to determine x, we have;

Tan θ = opposite/ adjacent

Tan 15 = 115/ x

x = 115/ 0.2680

  = 429.1045

x = 429.1045 feet

To determine y, we have;

Tan θ = opposite/ adjacent

Tan 50 = 115/ y

y = 115/ 1.1918

  = 96.492y

y =  96.4927 feet

The distance from point A to point B = x - y

                             = 429.1045 - 96.4927

                             = 332.6118

The distance from point A to point B is 333 feet.

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The expression: y²+4y-7 when evaluated will give us 70.

Quadratic Equation is a polynomial equation of the second degree, which means that the highest power of the variable (usually x) is 2. It has the general form:

ax² + bx + c = 0

where a, b, and c are constants.

Note that a can never be zero otherwise it will turn to linear equation.

From the question given above:

y²+4y-7 when y = 7

y²+4y-7 = 0

7²+4(7)-7 = 0

= 49+28-7

= 70

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Our assumption that there exists a finite p-group G that is not nilpotent is false, and hence any finite p-group is nilpotent.

Suppose that there exists a finite p-group G that is not nilpotent. This means that there exists a non-trivial normal subgroup N of G such that N is not contained in the center of G.

Let Z(G) denote the center of G. Then, by definition, Z(G) is a normal subgroup of G, and we have Z(G) ⊆ N ⊊ G.

Consider the upper central series of G:

Z(G) ⊆ Z2(G) ⊆ Z3(G) ⊆ ⋯ ⊆ Zk(G) ⊆ ⋯,

where Zk(G) is the k-th term of the series, defined as the subgroup of G such that Zk(G)/Zk-1(G) is the center of G/Zk-1(G) for k ≥ 2, and Z1(G) = Z(G).

Since G is a finite p-group, the upper central series eventually stabilizes at some finite term, say Zm(G), where Zm(G) = G. That is, for some integer m, we have Zm(G) = G and Zm-1(G) ≠ G.

Now, since N is not contained in Z(G), we have N ∩ Z(G) ≠ Z(G). Thus, there exists an element g ∈ N ∩ Zm-1(G) such that g ∉ Z(G). Note that g commutes with all elements in Zm-1(G) by definition.

Since G is a p-group, the center Z(G) is non-trivial, and hence contains a non-trivial cyclic subgroup generated by some element z. Since z is in the center, it commutes with g. Consider the subgroup generated by g and z, denoted by H = ⟨g, z⟩.

Since g ∈ Zm-1(G) and Zm-1(G)/Z(G) is the center of G/Z(G), it follows that H/Z(G) is a cyclic subgroup of G/Z(G), and hence H is contained in Zk(G) for some k ≤ m.

Since Z(G) is a normal subgroup of G, it follows that H is a normal subgroup of G, and hence H is contained in Zk(G), which is a contradiction since g is not in the center of G. Therefore, our assumption that there exists a finite p-group G that is not nilpotent is false, and hence any finite p-group is nilpotent.

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The hundredth interval of the number line in which √(84) is between 9.16 and 9.17

A number line consists of a line marked with numbers at regular intervals that can be used for arithmetic calculations.

The hundredths interval n the number line in which √(84) can be located is found as follows;

√(84) = 2·√(21) ≈ 9.165

A hundredth is a value expressed to two decimal places, therefore, the hundredth on the number line in which the value 9.165 is located are the values larger than 0.16 but less than 0.17.

Therefore √(84) lies in between 9.16 and 9.17 on the number line

Learn more on the number line here: https://brainly.com/question/24644930

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