if u can help me it wold be nice im failing and i need help ASAp

The unit of measurement used is A. Standard deviation is the unit of measurement used to describe how far a set of values are from the mean.

The degree of variation of data from the average, or mean, is gauged by the standard deviation. It provides us with information on the average amount by which each data point diverges from the mean.

A lesser standard deviation suggests that the data points gather closely around the mean, whereas a greater standard deviation signifies that the data points are further dispersed. To standardize a value, we subtract the mean from the value and then divide by the standard deviation.

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As a result, the height of cone is **15 yards** tall.

A cone's volume is its inside space or capacity. It can be measured in cubic units like litres or cubic centimeters, or even cubic meter2.

The volume of a cone is calculated as follows:

V = (1/3)× π× r²× h

where V denotes the cone's volume, r denotes the cone's base radius, and h denotes the cone's height

The following formula determines a cone's volume:

V = (1/3)× π × r²× h

where V denotes the cone's volume, r denotes the base's radius, and h denotes the cone's height.

We are aware that the cone has a volume of 245 pi cubic yards. Therefore:

245π = (1/3) * π× r²× h

If you multiply both sides by 3, you get:

735 = π×r²×h

The cone's 14-yard diameter is another fact that we are aware of. The radius being equal to half the diameter, we have:

7 yards is r.

Input of this value into our equation results in:

735 = π * 7²×h

If we simplify this equation, we get:

735 = 49πh

49 divided by both sides results in:

h = 15

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Answer:

x=1

Step-by-step explanation:

It will be x=1 because once it is at x=1, the parobola is split into 2 EQUAL parts. For example, if you graph this on paper and try to guess the middle and place a line where you want to split it, the line will go at x=1

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Answer:

143.30

you can give me more

the probability that she picks 2 different types of drink is 71 / 105

let say E is an event then ,P(E) = favourable outcome /total outcome

given that ,

3 bottles of orange juice.

5 bottles of apple juice.

7 bottles of water.

Then  total of 3 + 5 + 7 = 15 bottles of drinks .

To calculate the probability of picking 2 different types of drinks, we need to calculate the total number of possible pairs of drinks that can be picked, and the number of pairs that consist of different types of drinks.

so,

The total number of possible pairs of drinks that can be picked is given by the combination formula:

C(15, 2) = 15! / (2! * (15-2)!) = 105

This formula calculates the number of ways to choose 2 items from a set of 15 items.

Now, the number of pairs that consist of different types of drinks. There are three types of pairs : orange juice and apple juice, orange juice and water, and apple juice and water.

The number of pairs of different types of drinks :

(3 * 5) + (3 * 7) + (5 * 7) = 15 + 21 + 35 = 71

So, the probability of picking 2 different types of drinks is:

71 / 105 ≈ 0.6762 or about 67.62%.

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The general form of the solution of a linear homogeneous recurrence relation with characteristic polynomial having precisely the roots 1, -1, -2, -3, and 4 can be written as:

c1(1^n) + c2((-1)^n) + c3((-2)^n) + c4((-3)^n) + c5(4^n)

where c1, c2, c3, c4, and c5 are constants determined by the initial conditions.

To explain why in detail, we need to first understand what a linear homogeneous recurrence relation and its characteristic polynomial are.

A linear homogeneous recurrence relation is a mathematical equation that describes a sequence of numbers where each term depends only on the previous terms in the sequence. The general form of a linear homogeneous recurrence relation is:

an = c1an-1 + c2an-2 + ... + ckank

where a0, a1, a2, ..., ak are the initial conditions, and c1, c2, ..., ck are constants.

The characteristic polynomial of a linear homogeneous recurrence relation is defined as the polynomial obtained by setting an=0 and solving for the values of k that make the equation true. For example, the characteristic polynomial of the equation an = 2an-1 - an-2 is k^2 - 2k + 1 = 0.

The roots of the characteristic polynomial determine the form of the solution to the recurrence relation. In general, if the characteristic polynomial has distinct roots, the solution can be written as a linear combination of terms of the form ar^n, where a and r are constants determined by the initial conditions and the roots of the polynomial.

In the specific case where the characteristic polynomial has precisely the roots 1, -1, -2, -3, and 4, the general solution takes the form given above, with each term in the form c_i(r_i)^n, where r_i is one of the roots and c_i is a constant determined by the initial conditions.

This can be derived from the fact that each term in the solution must satisfy the recurrence relation, and the sum of these terms will also satisfy the recurrence relation. By setting the initial conditions, we can solve for the constants c_i and obtain the unique solution to the recurrence relation.

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The p-value for the claim is 0.0576.

We must run a hypothesis test to find the p-value for the assertion. Here are descriptions of the null and competing hypotheses:

Null Hypothesis (H₀): Young adults in the city share the same smoking patterns as young adults in general in the United States.

Alternative Hypothesis (H₁): The percentage of young adults in the city who smoke differs from the percentage of young adults in the U.S.

To analyse the data, we can perform a hypothesis test for a single proportion, more precisely a one-sample proportion test. Let's use this method to determine the p-value.

We must first calculate the sample proportion's standard error:

SE = \(\sqrt{\frac{p_{0} \times (1 - p_{0})}{n}}\)

where:

p₀ = proportion of young adults who reported smoking at least twice a week or more in the last month (given as 0.16)

n = sample size (given as 75)

SE = sqrt((0.16 * (1 - 0.16)) / 75) ≈ 0.0421

Next, we calculate the test statistic (z-score) using the observed sample proportion:

z = (\(\hat{p}\) - p₀) / SE

where:

\(\hat{p}\) = observed sample proportion (6 out of 75)

p₀ = proportion of young adults who reported smoking at least twice a week or more in the last month (given as 0.16)

SE = standard error of the sample proportion (0.0421)

\(\hat{p}\) = 6/75

\(\hat{p}\) = 0.08

z = (0.08 - 0.16)/0.0421

z ≈ -1.897

Now that we have the probability of seeing a test statistic with either tail as severe as -1.897, we can calculate the p-value.

p-value ≈ P(Z ≤ -1.897) + P(Z ≥ 1.897)

The p-value is about 0.0576, according to a standard normal distribution table or statistical software.

As a result, the claim's p-value is roughly 0.0576.

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Answer:

-2.5

Step-by-step explanation:

-4 + -1 = -5

-5 / 2 =

-2.5

Answer:

C. Circle X, circle Z, circle Y

Step-by-step explanation:

Given

Circles X, Y and Z

Required

Order from greatest to highest

First, we need to simplify the given areas;

For Circle X

\(A = 9\pi\)

Take \(\pi\) as 3.14

\(A = 9 * 3.14\)

\(A = 28.26\)

For Circle Y

\(A = \frac{\sqrt3}{2}\)

This gives

\(A = \frac{1.732}{2}\)

\(A = 0.866\)

For Circle Z

\(A = 27.5\)

By comparing the above areas;

X has the largest area; followed by Z and then Y

Hence,

option C answers the question

Answer:

x,z,y

Step-by-step explanation:

On average, a customer spends approximately 1.16 minutes waiting time on hold before they can start speaking to a representative.

To find the average waiting time for a customer on hold before they can start speaking to a representative, we need to consider both the arrival rate of calls and the average service time of the staff members.

Given:

9 staff members taking calls.

On average, one call arrives every 5 minutes (standard deviation of 5 minutes).

Each staff member spends on average 18 minutes with each customer (with a standard deviation of 27 minutes).

To calculate the average waiting time, we need to use queuing theory, specifically the M/M/c queuing model. In this model:

"M" stands for Markovian or memoryless arrival and service times.

"c" represents the number of servers.

In our case, we have an M/M/9 queuing model since we have 9 staff members.

The average waiting time for a customer on hold is given by the following formula:

Waiting time = (1 / (c * (μ - λ))) * (ρ / (1 - ρ))

Where:

c = number of servers (staff members) = 9

μ = average service rate (1 / average service time)

λ = average arrival rate (1 / average interarrival time)

ρ = λ / (c * μ)

First, let's calculate the average arrival rate (λ):

λ = 1 / (average interarrival time) = 1 / 5 minutes = 0.2 calls per minute

Next, calculate the average service rate (μ):

μ = 1 / (average service time) = 1 / 18 minutes = 0.0556 customers per minute

Now, calculate ρ:

ρ = λ / (c * μ) = 0.2 / (9 * 0.0556) ≈ 0.407

Finally, calculate the waiting time:

Waiting time = (1 / (c * (μ - λ))) * (ρ / (1 - ρ))

= (1 / (9 * (0.0556 - 0.2))) * (0.407 / (1 - 0.407))

≈ 1.16 minutes

Therefore, on average, a customer spends approximately 1.16 minutes waiting on hold before they can start speaking to a representative.

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Answer:

The answer is 127.6

Step-by-step explanation:

To find the volume of something, you multiply.

So:5.5 times 3.2 times 7.25 is equal to 127.6

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Answer:

127.60 square inches

Step-by-step explanation:

Multiply the diameters all together to get your answers.

5.5 x 3.2 x 7.25

Multiply

5.5 x 3.2 = 17.6

Multiply some more

17.6 x 7.25 = 127.6

You can also just multiply like this:

5.5 x 3.2 x 7.25 = 127.6

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Answer:

1 2 3 4 5 6 7 8 9 10 11

Step-by-step explanation:

Answer:

Since I don't have the numbers to plot, I'll tell you where to begin

Step-by-step explanation:

When plotting temperatures, it's important to remember positives and negatives

It's always a good idea to start by marking the halfway point as zero

Then, if the numbers are  in the tens, make each increment an increasing value of ten/-ten in each direction.

If they're low, (in the ones digits) then just mark the numbers on the increments in the positive/negative directions

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The given statement "The median of a quantitative data set is always one of the individual data values" is false.

When a given data set is arranged in ascending order the observation which at the between of the data is the median of that data set. It is a value in the set whose left and right both have the same number of observations.

The given statement is not true, this is because the median is the mid-value of any data set.

Hence, the given statement "The median of a quantitative data set is always one of the individual data values" is false.

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Answer:

X 11 Y 11

Step-by-step explanation:

the last one need to be removed

Answer:

30 x ^2 y ^2

Step-by-step explanation:

The decision regarding the hypothesis that the training was effective in improving customer relationships would depend on the results of the hypothesis test and the associated p-value.

To determine the decision regarding the hypothesis that the training was effective in improving customer relationships, a hypothesis test would need to be conducted. The null hypothesis, denoted as H0, would be that the training had no effect on improving customer relationships. The alternative hypothesis, denoted as Ha, would be that the training was effective in improving customer relationships.

Assuming a 0.05 significance level, if the p-value associated with the hypothesis test is less than or equal to 0.05, then the null hypothesis can be rejected in favor of the alternative hypothesis. This would indicate that there is evidence to suggest that the training was effective in improving customer relationships.

On the other hand, if the p-value is greater than 0.05, then the null hypothesis cannot be rejected. This would indicate that there is insufficient evidence to suggest that the training was effective in improving customer relationships.

Therefore, the decision regarding the hypothesis that the training was effective in improving customer relationships would depend on the results of the hypothesis test and the associated p-value.

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Kari can buy 30 AA batteries and 30 D batteries. We used simple LCM for this solution.

To find the smallest number of each battery type that Kari can buy, we must find the least common multiple (LCM) of 6 and 10. The LCM is the smallest multiple that both numbers can divide into evenly. To find the LCM, we can list the multiples of each number until we find a common multiple. In this case, the LCM of 6 and 10 is 30. So, Kari can buy 30 AA batteries and 30 D batteries, which gives her an equal number of both battery types.

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Answer:

the answer to this question is 58

Answer:

30.1 ft²

Step-by-step explanation:

The area of a triangle with an included angle and two sides cam be found using the formula, A = ½*ab*sin(C)

a = 7 ft

b = 9 ft

C = 73°

Plug in the values

Area = ½*7*9*sin(73)

Area = 30.1235998 ≈ 30.1 ft² (nearest tenth)

Answer:

1/4 −2+ −21/4 =1/2

(Decimal: 0.5)

Step-by-step explanation:

Answer:

Step-by-step explanation:

      Atsu  :  Sabu

         3     :     7

         x     :    x + 20

x is equal to the number of cedis

cross multiply the ratio above

3(x+20) = 7x

3x + (20×3) = 7x

3x + 60 = 7x

3x - 3x + 60 = 7x - 3x                  (put - 3x on both sides of the equation)

60 = 4x

60/4 = 4x/4                                (divide both sides by 4)

15 = x

Answer:

The second choice should be the best fit line.

Ellen can make a maximum of 6 batches of Cardamom cookies with her 2 fluid ounces of cardamom.

Ellen has 2 fluid ounces of cardamom in a jar. Her recipe requires 3/10 of a fluid ounce of cardamom for each batch of cardamom cookies.

We can use division to find the number of batches of cardamom cookies that Ellen can make with all of her cardamom:

2 fluid ounces ÷ (3/10 fluid ounce per batch) = (2/1) ÷ (3/10)

= (2/1) x (10/3)

= 20/3

= 6 2/3

Therefore, Ellen can make 6 batches of cardamom cookies with her 2 fluid ounces of cardamom, with 2/3 of a batch remaining.

Since she cannot make a fraction of a batch, Ellen can make a maximum of 6 batches of cardamom cookies with her 2 fluid ounces of cardamom.

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The overlapping area between the line y = x - 6 and the curve y = 6/x and evaluating the integer coordinates within this region, we find that there are 13 lattice points contained in R.

The region defined by the simultaneous conditions x - y < 6, xy < 6, and x > 0 can be determined by graphing the inequalities.

However, since the question asks for the number of lattice points in the region, we can solve it algebraically.

First, let's consider the condition x - y < 6. If we rearrange this inequality, we get y > x - 6. This represents a region above the line y = x - 6 on the coordinate plane.

Next, let's analyze the condition xy < 6. We can rewrite this inequality as y < 6/x.

This represents a region below the curve y = 6/x.

To find the region that satisfies both conditions, we need to identify the overlapping area between the line y = x - 6 and the curve y = 6/x. This overlapping area is our region of interest, denoted as R.

To determine the lattice points within R, we need to find the integer coordinates (x, y) that satisfy both inequalities.

Since x > 0, we can start by evaluating the integer values of x from 1 to 5. For each x-value, we can calculate the corresponding y-value using the equation y = x - 6. If this y-value is less than 6/x, it satisfies both conditions and is considered a lattice point within R.

For example, when x = 1, y = 1 - 6 = -5, which is less than 6/1. So the lattice point (1, -5) is within R.

By repeating this process for x = 2, 3, 4, and 5, we can determine the other lattice points within R.

After evaluating all possible integer values of x, we find that R contains a total of 13 lattice points.

Therefore, the answer to the question is that the region R contains 13 lattice points.

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Answer:

Answer: 132.93 cm²

Step-by-step explanation:

• If you see the composite figure, it is made up of two quarter circles and one rectangle.

Area of two quarter circles :

\({ \tt{area \: of \: quarter \: circle = \frac{1}{4} \pi {r}^{2} }} \\ \)

\({ \tt{area \: of \: two \: quarter \: circles = 2( \frac{1}{4}\pi {r}^{2} ) }} \\ \\ = { \tt{ \frac{1}{2} \pi {r}^{2} }} \\ \\ { \tt{ = \frac{1}{2} \times 3.14 \times {7}^{2} }} \\ \\ { \underline{ \tt{ \: = 76.93 \: {cm}^{2} \: }}}\)

Area of rectangle :

\({ \tt{area = length \times width}} \\{ \tt{area = 8 \times 7}} \\ { \underline{ \tt{ \: area = 56 \: {cm}^{2} \: }}}\)

Area of composite figure :

\({ \tt{area = 76.93 + 56}} \\ { \underline{ \underline{ \tt{ \: \: area = 132.93 \: {cm}^{2} \: \: }}}}\)

Answer:

D

Step-by-step explanation:

fastest way to find out the answer is to replace each solution with the xs of the equation and see if it is Equal to 4. the only solution that is equal to 4 is D)1/3

0.3125 is the probability that every ball is different in color from more than half of the other 5 balls.

We have a total of 6 balls.

Let us consider these events:

If 1 ball is black and 5 other balls are white:

If 2 balls are white and 4 other balls are black:

If 2 balls are black and 4 other balls are white:

If 3 balls are black and 3 other balls are white:

Let, X be the random variable that denotes the event of painting a black ball then, X follows a binomial distribution with parameters n = 6 and p = 1/2

Therefore, 0.3125 is the probability that every ball is different in color from more than half of the other 5 balls.

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Answer:

A. y = 3x.

Step-by-step explanation:Relation 2 is a straight line that does not pass through the origin, so it is a partial variation.

Answer:

12

Step-by-step explanation:

9^2 + b^2 = 15^2

=

81 + b^2 = 225

=

b^2 = \(\sqrt{144}\)

b = 12

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