Urgent!! please help me out

a) The stem and leaf plot of the data is illustrated below.

b) Based on the stem-and-leaf plot, it appears likely that a coupon will "survive" beyond 2000 cycles since there are data points in that range.

First, we separate the data into stems and leaves. The stem represents the tens place, while the leaves represent the ones place. For example, if a data point is 1223, the stem would be 122 and the leaf would be 3. By organizing the data in this manner, we can easily determine the frequency of values and observe any patterns that emerge.

Now let's construct the stem-and-leaf plot for the given data:

Stem | Leaves

------+-------

7 | 06 58 85 90 98

8 | 45 65 85 85 88 90 90 93 94 94 98

9 | 10 55 69 69 90 90 90 90 90 93 94 94 94

10 | 15 20 23 23 26 30 33 40 42 42 50 58 60 62 62 74 85 90

11 | 02 02 06 09 20 20 22 23 26 35 52 52 52 52 55 67 90 90

12 | 03 20 20 22 23 33 33 58 58 69 90 90

13 | 15 35 42 46 58 70 82 98

14 | 02 35 42 81

15 | 18 23 35 40 42 52 67 74

16 | 42 60 42

17 | 06 30 50 81

18 | 20 22 50 82

19 | 30 90 92

20 | 10 30 50 70 82

21 | 00 00 02

22 | 33 33 58 58 90

23 | 33 33

24 | 20 22

25 | 33 65

For instance, a stem value of 8 with leaves 45 indicates two data points: 845 and 885. The frequency of each data point can be determined by counting the number of leaves associated with each stem.

Now, let's address the question of whether it appears likely for a coupon to "survive" beyond 2000 cycles. To answer this, we examine the stem-and-leaf plot. We observe that the stem value of 20 contains several leaves greater than 0, indicating that there are data points in the 2000s range. Additionally, the stem values of 21 and 22 also have leaves, suggesting the presence of data points beyond 2000 cycles.

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Ground-state electron configuration of gas-phase Co²+ is [Ar] 3d⁷. Answer: (E) [Ar] 3d⁷.Explanation: First of all, we need to find the electron configuration of Cobalt (Co).

The electron configuration of Cobalt (Co) is 1s²2s²2p⁶3s²3p⁶4s²3d⁷.Now, we can remove the electrons to get the electron configuration of gas-phase Co²+ .Co: 1s²2s²2p⁶3s²3p⁶4s²3d⁷Co²+: 1s²2s²2p⁶3s²3p⁶3d⁷The full electron configuration of Co²+ will be [Ar] 3d⁷. Therefore, the answer is (E) [Ar] 3d⁷.

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9514 1404 393

Answer:

  any of 2, 3, 4, 5

Step-by-step explanation:

√30 ≈ 5.48

4/3 ≈ 1.33

Integers between 1.33 and 5.48 include 2, 3, 4, 5. Any of these is an integer between √30 and 4/3.

Answer:

-13x^2 + 6x + 11

Step-by-step explanation:

Just subtract the numbers that are similar (i.e. -5x^2 - 8x^2)

Answer:

146x + 9

unless they have to be seperate not all combined

Answer: The answer is d (-8,-8)

Step-by-step explanation:

the coordinate of point C is located at (-4,-4)

with a dilation by 2, point C' is located at (-8,-8)

Answer:

6.2 feet

Step-by-step explanation:

The number of ways are there of choosing ten balls from the box if the number of green balls must be in even numbers =15946 ways

To determine the number of ways of choosing ten balls from the box such that the number of green balls chosen is even, we need to consider the different possible combinations of green balls that could be chosen.

First, we can select 0 green balls, in which case we would need to choose all 10 balls from the 5 red and 8 yellow balls. This can be done in (5+8) choose 10 ways, which is 13 choose 10, or 286 ways.

Alternatively, we could choose 2, 4, or 6 green balls, and then select the remaining balls from the red and yellow balls. To count the number of ways of doing this, we can use the binomial coefficient formula.

The total number of ways of selecting 10 balls from the box is (6+5+8) choose 10, which is 19 choose 10, or 92,378 ways.

Therefore, the number of ways of choosing 10 balls from the box such that the number of green balls chosen is even is the sum of the number of ways of choosing 0, 2, 4, or 6 green balls, which is:

(6 choose 0)(13 choose 10) + (6 choose 2)(5 choose 8)(8 choose 0) + (6 choose 4)(5 choose 6)(8 choose 0) + (6 choose 6)(5 choose 4)*(8 choose 0)

Simplifying this expression gives a total of 15,946 ways.

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Given:

The figures of triangles and their mid segments.

To find:

The values of n.

Solution:

Mid-segment theorem: According to this theorem, mid segment of the triangle is a line segment that bisect the two sides of the triangle and parallel to third side, The measure of mid-segment is half of the parallel side.

11.

It is given that:

Length of mid-segment = n+8

Length of parallel side = 6n

Using mid-segment theorem, we get

\(n+8=\dfrac{1}{2}(6n)\)

\(n+8=3n\)

\(8=3n-n\)

\(8=2n\)

Divide both side by 2.

\(\dfrac{8}{2}=n\)

\(4=n\)

Therefore, the value of n is equal to 4.

12.

It is given that:

Length of mid-segment = 5n

Length of parallel side = 8n+10

Using mid-segment theorem, we get

\(5n=\dfrac{1}{2}(8n+10)\)

\(5n=4n+5\)

\(5n-4n=5\)

\(n=5\)

Therefore, the value of n is equal to 5.

Answer:

The answers for each are the following

A.) RPT

B.) NM

C.) X=7

Answer:

Equivalent expressions

Step-by-step explanation:

Example

Lets start with numbers

1 + 2 = 3

The expression 1 + 2 is equivalent to 3

They have the same value

Now with algebras

2(x + 3) is equivalent i.e also equals to 2x + 6

3(x + 1) - 23 is equivalent to the following expressions:-

3x + 3 - 23

& 3x - 20

In conclusion equivalent expressions are different expressions that have the same values.

Answer:

(0,3)

Step-by-step explanation:

a. The domain is x = -4.7, which means that the graph is a vertical line passing through x = -4.7. The range is -5 ≤ y ≤ 5, indicating that the graph spans from y = -5 to y = 5 along the y-axis.

b. Without specific information about the graph or equation, it is not possible to determine the domain and range accurately. More context is needed to analyze the graph and identify its domain and range.

c. Similar to the previous case, without additional details about the graph or equation, it is not feasible to determine the domain and range accurately. Further information is required to understand the characteristics of the graph and establish its domain and range.

d. Once again, without specific information about the graph or equation, it is not possible to ascertain the domain accurately. More context and details are necessary to analyze the graph and determine its domain.

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Answer: B

Step-by-step explanation:

Edgenuity 2020

Answer:

the answer is b

Step-by-step explanation:

i got the review question right

Concurrent line segments are those that cross at least three other line segments at the same location.

Concurrent line segments are those that cross at least three other line segments at the same location. In geometry, if two lines intersect at a single point in a plane or higher-dimensional space, they are said to be concurrent. In contrast to parallel lines, they exist. Concurrent lines are those that cross more than one line at the same time through a single point in a plane. The point of concurrency is a location that each of those lines shares. Triangles provide another example where this concurrency characteristic can be observed.

Here,

Concurrent line segments are those where three or more line segments cross each other at the same location.

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Answer:

2334

Step-by-step explanation:

There is not sufficient evidence at the 0.10 level to support the marketing executive's claim that the percentage of readers owning a laptop is different from the reported percentage of 54T%.

To test whether the sample proportion of 50P% is significantly different from the reported proportion of 54T%, we can use a one-sample z-test.

The null hypothesis is that the true proportion is equal to 54T%, and the alternative hypothesis is that the true proportion is different from 54T%.

The test statistic is calculated as:

z = (p - p₀) / √(p₀(1-p₀)/n)

where p is the sample proportion, p₀ is the hypothesized proportion, and n is the sample size.

Plugging in the values, we get:

z = (0.50 - 0.54) / √(0.54(1-0.54)/110) ≈ -1.38

The critical value for a two-tailed test at the 0.10 level with a sample size of 110 is ±1.645. Since the calculated test statistic (-1.38) does not exceed the critical value (-1.645), we fail to reject the null hypothesis.

Therefore, there is not sufficient evidence at the 0.10 level to support the marketing executive's claim that the percentage of readers owning a laptop is different from the reported percentage of 54T%.

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Answer:

C. -1

Step-by-step explanation:

Slope is: \(m=\frac{y_2-y_1}{x_2-x_1}\)

We are given the points (1,7) and (3,5).

\(m=\frac{5-7}{3-1} =\frac{-2}{2} =-1\)

The slope is -1, and therefore, Option C should be the correct answer.

Answer:

Step-by-step explanation:

I THINK IT C

After 6 years the population of goats on the small island reaches 1000.

It is the rate of increases of population per individual in the population. The term related to time period and entire population.

given, initial population of goat on the smallest island, N° =2,

after t years the population of goats on this island, N= 1000

the maximum goat carrying capacity of this island, K= 1500

per capita growth rate, r = 0.5 per year

now, we use logistic growth equation, dN/dt = r×N[(K-N)/K]

                                                           dN/dt = 0.5×1000{1500-1000)/1500}

                                                                    dN/dt= 166.67

                                                             ∫dN/166.67 = ∫dt

                                                         by integrating both sides

                                               N/166.67 = t+c , where c is the

                                                     integration constant

                                                    at time t=0, N°=2

                                                        c= 0.012

                                                 N/166.67 =t+0.12

                                    as N=1000 , t= 5.99 years

hence, after 6 years the population of goat on the island reaches 1000.

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Answer:

 10y + 3x

Step-by-step explanation:

 (4y + 6x) -  3 • (x - 2y)

Answer:

I think it's 10y+3x

Step-by-step explanation:

I search it up :(

Answer:

\(\frac{11}{4}\) or 2 \(\frac{3}{4}\)

Step-by-step explanation:

Here is one way to solve this problem

2x - \(\frac{7}{4}\) = x + 1  (3/3 is another way to write one)  Multiply all the way through by 4

4(2x - \(\frac{7}{4}\)) = 4(x + 1)  Distributive property

8x -7 = 4x +4  Subtract 4x from both sides

4x - 7 = 4  Add 11 to both sides

4x = 11  Divide both sides by 4

x = \(\frac{11}{4}\)

The Volume of the right cone (V) that has a diameter of 6 units and a height of 11 units is calculated as: 33π units³.

The volume of a right cone can be determined by applying the following formula:

Volume of a right cone (V) = 1/3 * πr²h, where:

r represents the radius of the right cone

h represents the height of the right cone

Given the following:

radius (r) = 6/2 = 3 units

Height (h) = 11 units

Plug in the values:

Volume of the right cone (V) = 1/3 * π * 3² * 11

= 1/3 * π * 99

= π * 33

Volume of the right cone (V) = 33π units³

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Given that Steve handed him a black king, the probability of Scott's second card being a red card is 13/25, or around 0.52.

Probability is a measure of how likely an event is to occur. It is represented by a number between 0 and 1, with 0 representing a rare event and 1 representing an inescapable event. Switching a fair coin and coin flips has a chance of 0.5 or 50% since there are two equally likely outcomes. (Heads or tails). Probabilistic theory is an area of mathematics that studies random events rather than their attributes. It is applied in many disciplines, including statistics, economics, science, and engineering.

A conventional deck of playing cards has 52 cards, including two black kings. When Steve deals a black king to Scott, the deck has 51 cards, 26 of which are red.

We only need to analyse the likelihood of obtaining a red card on the second draw because we know Scott's initial card is a black king. There are 50 cards remaining in the deck, 26 of which are red. As a result, the likelihood that Scott's second card will be a red card is:

P(red card drawn on second draw) = 26/50 = 13/25

Given that Steve handed him a black king, the likelihood of Scott's second card being a red card is 13/25, or around 0.52.

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The division yields 1/14 for the complex fraction.

Division is one of the four basic operations of arithmetic, along with addition, subtraction, and multiplication. It is an inverse operation to multiplication, meaning that dividing by a number is the same as multiplying by its reciprocal. Division can be thought of as the process of finding how many times a number (the divisor) can fit into another number (the dividend). The result of the division is called the quotient. In some cases, the division may result in a fractional number, representing a partial division. In this case, the result is a rational number, which is a type of real number. Division can also be represented using long division, a method used to divide large numbers or polynomials. It involves dividing the dividend by the divisor one digit at a time, until the division is complete.

Here,

=22/44/7

=22/44*1/7

=1/14

The answer for the complex fraction is 1/14 by the division.

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Answer:

6

Step-by-step explanation:

8 * 3/4 = 24/4  = 6 WATER BOTTLES

Cosine distance is used in the k-means clustering algorithm to remove outliers. It is a metric used to determine the similarity between two documents. In k-means clustering, cosine distance is used to calculate the distance between data points.

Cosine distance is used to normalize the data so that it is not affected by the length of the data vectors or the scale of the data. The cosine distance is calculated as follows:

Cosine distance = 1 - Cosine similarity,

where Cosine similarity = dot product of two vectors/ product of the magnitude of two vectors.

To remove the outliers from the k-means clustering algorithm, we can set a threshold value for the cosine distance. If the cosine distance between two data points is greater than the threshold value, then those data points are considered outliers and they are not included in the cluster. This helps to ensure that the clustering algorithm only groups together data points that are similar and ignores the outliers.

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To find the exact value, we would need to evaluate the definite integral, but it may not be practical to do so without further information or using numerical methods.

To find the average value of a function on a closed interval, you need to calculate the definite integral of the function over that interval and divide it by the length of the interval. In this case, we want to find the average value of the function f(x) = 3xsin(x) on the interval 1 ≤ x ≤ 7.

The average value of f on the interval [1, 7] is given by the formula:

Average value = (1/(b - a)) * ∫[a to b] f(x) dx

where a and b are the endpoints of the interval.

In our case, a = 1, b = 7, and f(x) = 3xsin(x). So, we can calculate the average value as follows:

Average value = (1/(7 - 1)) * ∫[1 to 7] (3xsin(x)) dx

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The scientific notation for the mass of 49,000 molecules of oxygen is 4.9 × 10⁴ grams.

To transform numbers into scientific notation, use the following rule: In scientific notation, the exponent equals the number of times the decimal point must always be shifted to produce a number between 1 and 10.

For the given value;

= 49,000 grams

write the number such that only one digit is left to the left of decimal of the number and the remaining digits to the write are written to the power of 10

= 4.9000 × 10⁴

This could be written as;

= 4.9 × 10⁴.

Therefore, the value of the mass of 49,000 oxygen molecules in the form of scientific notation is 4.9 × 10⁴ grams.

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Thus after spraying x times the number, of termites \(f(x)=12000*(\frac{1}{4} )^{x}\)

Whole Numbers: The collection of positive integers that include the number 0. Integers are whole integers that are next to its counterparts (negative numbers). Factorization are any values that may be stated as fractions.

The meaning or numeric magnitude of a numerical sign is the main information it refers to (for example, the number "4" denotes a group of four items). Numerical names, another sort of language processing carried by numerical symbols,

Given that the home was sprayed a certain number of times.

When the home was treated x times, let f(x) represent the number of termites that were there.

We are also informed that a residence has 12,000 termites. The quantity of termites decreased to one-fourth of the previous level each time a house was treated.

Hence, after treating x times as many termites\(=f(x)=12000*(\frac{1}{4} )^{x}\)

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