In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance. Xochitl sets up a website where players can buy and sell these costumes online. Information about the number of people who visited the website and the number of costumes purchased in a single day is listed below.
313 visitors purchased no costume.
32 visitors purchased exactly one costume.
23 visitors purchased more than one costume.

Based on these results, express the probability that the next person will purchase exactly one costume as a decimal to the nearest hundredth.

The graph of the parent absolute value function is decreasing over the interval (-∞, 0). The function exhibits a decreasing behavior as x moves from negative infinity towards zero, where the absolute value decreases.

The parent absolute value function is defined as f(x) = |x|. To determine where the graph of this function is decreasing, we need to identify the intervals where the function's slope is negative.

Let's analyze the behavior of the parent absolute value function:

For x < 0, the function can be rewritten as f(x) = -x. In this interval, the function is a linear function with a negative slope of -1. As x decreases, f(x) also decreases, indicating a decreasing behavior.

For x > 0, the function remains f(x) = x. In this interval, the function is a linear function with a positive slope of 1. As x increases, f(x) also increases, indicating an increasing behavior.

At x = 0, the function is not differentiable since the slope changes abruptly from negative to positive. However, it is worth noting that the function does not strictly decrease or increase at x = 0.

Therefore, we can conclude that the graph of the parent absolute value function is decreasing over the interval (-∞, 0).

In this interval, as x moves from negative infinity towards zero, the function values decrease. The farther away x is from zero (in the negative direction), the larger the absolute value, resulting in a decrease in the function values.

On the other hand, the graph of the parent absolute value function is increasing over the interval (0, ∞), as explained earlier.

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Answer:

4 1/2

Step-by-step explanation:

Step 1:

1/2 + 2/3 ÷ 1/6     Equation

Step 2:

1/2 + 2/3 × 6/1      Flip the Fraction

Step 3:

1/2 + 2/1 × 2/1    Simplify

Step 4:

1/2 + 4      Multiply

Answer:

4 1/2     Add

Hope This Helps :)

The sample mean, s is the sample standard deviation, n is the sample size, and t is the critical value of the t-distribution with (n - 1) degrees of freedom.

For the given case, the most appropriate confidence interval would be the t-interval for the population mean. Confidence interval: A confidence interval refers to the range of values that are likely to include the population parameter. Confidence intervals provide us with a range of values where the true mean lies with some degree of certainty. The formula to calculate a confidence interval for the mean with a known population standard deviation is as follows

\(:\[\overline{x}-z\frac{\sigma }{\sqrt{n}}\text{ }\le \text{ }\mu \text{ }\le \text{ }\overline{x}+z\frac{\sigma }{\sqrt{n}}\]Where, \[\overline{x}\]\) is the sample mean, σ is the population standard deviation, z is the critical value of the normal distribution and n is the sample size.

Now, since the population standard deviation is unknown, a t-distribution must be used instead of the normal distribution. Thus, the formula to calculate a confidence interval for the mean with an unknown population standard deviation is as follows:\(\[\overline{x}-t\frac{s}{\sqrt{n}}\text{ }\le \text{ }\mu \text{ }\le \text{ }\overline{x}+t\frac{s}{\sqrt{n}}\]\)

Where, s is the sample standard deviation, and t is the critical value of the t-distribution with n - 1 degrees of freedom. Given that the sample size is 55, the appropriate degrees of freedom to use would be (55 - 1) = 54.Since we are constructing a confidence interval for the true mean filling amount of DoubleStuf Oreos, the appropriate confidence level to use would depend on the desired level of certainty or the margin of error. Commonly used levels of confidence are 90%, 95%, and 99%. A 95% confidence level is usually preferred for most cases.

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Answer:

Step-by-step explanation:

6cos^2(x) + 7cos(x) +2 = 0

Call cos(x) = y to change this to something a little bit more familiar.

6y^2 + 7y + 2 =0

This equation is a quadratic. Solve it first. Then we'll go back to solving for cos(x)

This equation factors into 2 possible answers

(3y + 2)(2y + 1) = 0

3y + 2  = 0

3y = - 2

y = - 2/3

2y + 1 = 0

2y = - 1

y = - 1/2

Now let's start with

cos(x) = - 1/2

That means that x is in quadrant two or three.

cos-1(1/2) = 60 degrees.

Quad 2: x = 180 - 60 =  120

Quad 3: x = 180 + 60 =  240

Now cos(x) = - 2/3

cos-1(2/3) = 48.19

Quad 2: x = 180 - 48.19 = 131.81

Quad 3: x  = 180 + 48.19 = 228.19

Answer: 22 the answer is 22 but id.k if thats what ur looking for

Step-by-step explanation:

Answer:  The difference is 6.5 inches.

Step-by-step explanation:

The volume of a cone uses the formula V= nr^2 h/3

So the large cone's volume is  V= 3.14 * 1.5^2 *5/ 3

                                              v= 11.775

The volume of the small cone is V= 3.14 * 1^2* 5/3

                                                      V=5.23

Now find the difference.   11.775 - 5.23= 6.54

Round to the nearest tenth is  6.5

1/2 is the probability that the number will add up to more than 4. Option C is correct

Probability is defined as the likelihood or chance that an event will occur.

Probability = Expected/Total

From the given spinner, the total outcome is expressed according to the permutation

For orange spin

3P2 = 3!
3P2  = 6

For green spin

4P2 = 4!/2!
4P2 = 12

If they are both spinned, the probability that the sum will be more than 4 are:

Expected (orange) = {(2,3)}

Expected (green) = {((1, 3), (3, 4) (2, 4), (2,3)}

Pr(number added is 4) = 1/6 + 4/12

Pr(number added is 4)  = 2+4/12

Pr(number added is 4)  = 1/2

Hence the probability that the number will add up to more than 4 is 1/2

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The limit of the cost for a month as the number of hours approaches 10 is $55.

When a member uses the car for exactly 10 hours, the cost is covered by the $55 per month fee, which includes 10 hours of driving. Since the fee already covers the cost, there are no additional charges for those 10 hours.

To calculate the limit as the number of hours approaches 10, we consider what happens as the number of hours gets closer and closer to 10, but never reaches it. In this case, as the number of hours approaches 10 from either side, the cost remains the same because the fee already includes 10 hours of driving. Thus, the limit of the cost for a month as the number of hours approaches 10 is $55.

Therefore, regardless of whether the number of hours is slightly below 10 or slightly above 10, the cost for a month will always be $55.

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\((\stackrel{x_1}{-2}~,~\stackrel{y_1}{10})\qquad \qquad \stackrel{slope}{m}\implies -6 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{10}=\stackrel{m}{-6}(x-\stackrel{x_1}{(-2)}) \\\\\\ y-10=-6(x+2)\implies y-10=-6x-12\implies y=-6x-2\)

Answer: D

Step-by-step explanation:

The first term is 3 and the common difference is 2.

Substituting into the explicit formula for an arithmetic sequence gives D as the correct answer.

Answer:

$9.50/hour

Step-by-step explanation:

All you need to do is 71.25/7.5 (money earned ÷ hours worked) to get 9.5!

Answer:

B

Step-by-step explanation:

Answer:

Just took the test the answer is 85%

Answer:

option 4

Step-by-step explanation:

substitute the given values for x, y and z into the expression

x + (- 2y + z)

= 14 + (- 2(5) + 6)

= 14 + (- 10 + 6)

= 14 + (- 4)

= 14 - 4

= 10

Answer:

-56

Step-by-step explanation:

The ranking of the ages of the universes from oldest to youngest, based on the given Hubble plots, is: A. A > B > C

To determine the ranking, we need to analyze the Hubble plots and understand the relationship between velocity and distance. In a Hubble plot, the velocity of galaxies is plotted against their distance from an observer. The slope of the plot represents the Hubble constant, which is a measure of the rate of expansion of the universe. A steeper slope indicates a higher value of the Hubble constant, implying a younger universe.

Analyzing the plots: A. In plot A, the slope is steeper, indicating a higher Hubble constant. This suggests a younger universe compared to the other plots. B. In plot B, the slope is less steep than in plot A, indicating a lower Hubble constant and a relatively older universe compared to plot A. C. In plot C, the slope is the shallowest, suggesting the lowest Hubble constant and the oldest universe among the three plots.

Therefore, based on the Hubble plots, the ranking of the ages of the universes from oldest to youngest is A > B > C. Plot C represents the oldest universe, followed by plot B, and plot A represents the youngest universe.

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t=3.673900

Given

df = 28df=28 -- degree of freedom

Area = 0.005Area=0.005

Required

Determine the t-value

The given parameters can be illustrated as follows:

P(T > t) = \alphaP(T>t)=α

Where

\alpha = 0.005α=0.005

So, we have:

P(T > t) = 0.005P(T>t)=0.005

To solve further, we make use of the attached the student's t distribution table.

From the attached table,

The t-value is given at the row with df = 28 and \alpha = 0.005α=0.005 is 3.673900

Hence, t = 3.673900t=3.673900

Using the volume x³ + 10x² + 19x  - 30, the missing side of the rectangular prism is (x + 6)

Two sides of a rectangular prism are x + 5 and x - 1. The volume of the rectangular prism is given as x³ + 10x² + 19x  - 30.

Let's find the missing side of the rectangular prism.

Therefore,

volume of a rectangular prism = lwh

where

Therefore,

volume of the prism = x³ + 10x² + 19x  - 30

Let's factorise it to find the missing side length

x³ + 10x² + 19x  - 30  = 0

(x - 1)(x² + 11x + 30)

let's factorise x² + 11x + 30

x² + 11x + 30

x² + 5x + 6x + 30

x(x + 5) + 6(x + 5)

(x + 6)(x + 5) = 0

Therefore, the side length of the rectangular prism are (x - 1), (x + 5) and (x + 6)

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Answer:

4 cups of yellow with 7 cups of blue

Step-by-step answer:

simply just double both amounts of paint and the ratios should even making the same shade of paint

Hey again!

The answer to your question is 14.54 inches

We can find this by doing 1454/100, and that is 14.54.

Hope it helps, have a great day! Let me know if there's more to help with.

Answer:

equal parts of this story is the order I am the first thing to say about this

For the problem , (a) The cost to park in a mall garage is $50 entry fee plus $10 per four ,  the function is y = 50 + 10x  , the domain is (0,∞)  and  range is also (0,∞)  .

and (b) A swimming pool in a hotel is draining at a rate of 3 feet per minute , the function is y = -3t  , domain is (0,∞) and range is (0,∞) .

Part(a) ;

The cost to park in a mall garage is $50 entry fee plus $10 per four ;

the the number of hours be = "x" ;

the fixed entry fees for the mall garage is = $50 ;

the per hour charge for the garage is = $10 ;

it can be represented as : y = 50 + 10x ;

the function is : y = 50 + 10x ;

The domain of this function is (0,∞) , as the input hours can't be negative and

the range of function is (0,∞) as the charge cannot be negative

since the parking hours will be non negative .

Part(b) ,

A swimming pool is draining at the rate of 3 feet per minute.

Rate of draining is represented as "y = -3t" where t is number of minutes  and

the negative sign in the function denotes the water is draining .

The domain and Range of this function is (0,∞) , as the input hours can't be negative .

The given question is incomplete , the complete question is

Find the Function , Domain and Range for the following problems :

(a) The cost to park in a mall garage is $50 entry fee plus $10 per four.

(b) A swimming pool in a hotel is draining at a rate of 3 feet per minute.

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There are 54,450 ways to form a committee of three men and four women from a group of 11 men and 11 women.

To form a committee of three men and four women from a group of 11 men and 11 women, you can use the combination formula.

The formula for the number of ways to choose k items from a group of n items is: (n choose k) = n!/(k!(n-k)!)

We can use this formula to calculate the number of ways to choose 3 men and 4 women from the group of 11 men and 11 women.

(11 choose 3) * (11 choose 4) = 165 * 330 = 54,450

Thus, there are 54,450 total ways to form a committee of three men and four women from a group of 11 men and 11 women.

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When two solids are similar with a scale factor of p:q, their corresponding areas have a ratio of (p/q)^2 and their corresponding volumes have a ratio of (p/q)^3.

This means that if you were to take two similar solids and enlarge one by a factor of p and the other by a factor of q, the ratio of their areas would be (p/q)^2 and the ratio of their volumes would be (p/q)^3. This property is very useful in geometry and can be used to solve many problems involving similar solids. If two solids are similar with a scale factor of p:q, then their corresponding areas have a ratio of p²:q², and their corresponding volumes have a ratio of p³:q³.

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The researcher needs to select a sample of at least 12 days to estimate the true mean of the water temperature within 4° with 99% confidence.

In order to estimate the true mean of the water temperature in a lake within a certain range with 99% confidence, the researcher needs to select a sample of at least a certain number of days.

To determine the number of days the researcher should select to measure the temperature, we can use the formula for sample size calculation in estimating the population mean. The formula is given by:

n = (Z^2 * σ^2) / E^2

where n is the required sample size, Z is the Z-score corresponding to the desired confidence level (in this case, 99% confidence corresponds to a Z-score of approximately 2.57), σ^2 is the variance of the population (given as 29°), and E is the desired margin of error (4° in this case)

Substituting the values into the formula, we get:

n = (2.57^2 * 29) / 4^2

n = (6.6049 * 29) / 16

n = 191.2961 / 16

n ≈ 11.96

Since the sample size must be a whole number, we round up to the next whole number. Therefore, the researcher needs to select a sample of at least 12 days to estimate the true mean of the water temperature within 4° with 99% confidence.

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Answer:

11m

Step-by-step explanation:

Simplify

9m+3m−m

=9m+3m+−m

Combine Like Terms:

=9m+3m+−m

=(9m+3m+−m)

=11m

Answer:

=11m

Answer:

11m

Step-by-step explanation:

9m + 3m - m = ?

just look at it without the variables: m

9 + 3 - 1 = ?

The reason there is a 1 before the m is because there is always atleast a 1 before a variable. 1 x m = m, but 0 x m = 0. so '1'.

ok so now lets solve

9 + 3 - 1

 12 - 1

    11

so the answer is 11, add the variables back

9m + 3m - m

    12m - m

        11m

Answer:

x = 50

Step-by-step explanation:

Since the output is 0, x^2 is 2500 but written differently.

Just take the square root of 2500, which is 50.

50^2 = 2500

2500 - 2500 = 0

Data collected over several time periods are called time series data.

Time series data refers to data that is collected over several time periods. It captures a sequence of observations of a variable of interest over time, such as sales figures, stock prices, temperature, and so on. The observations are usually taken at regular intervals, such as daily, weekly, monthly or yearly, and the data reflects the changes in the variable over time.

Time series data is useful for identifying trends, patterns, and seasonality in the data, and for making predictions about future values. It's often used in economic forecasting, weather forecasting, and other fields where understanding how a variable changes over time is important.

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Using the exchange rate, Amy converted $75 into pounds.

The exchange rate is the unit at which one currency is changed to or converted into another.

The exchange rate converts a country's currency into another.

The exchange rate shows the worth of one currency against another.

Exchange rate = $1: £0.54

Amount received = £40.50

The dollars converted into pounds = $75 (£40.50/£0.54)

Check:

$75 to pounds = £40.50 ($75 x £0.54)

Thus, we can conclude that more dollars buy fewer Australian dollars at this exchange rate.

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