a department store sells a pair of shoes with an 87% markup. If the store sells the shoes for 193.21 then what is there non markup price

Answer:

3 units  

Step-by-step explanation:

Explanation:

To find x we have to replace the solution into the equation - meaning we have to replace y = -4 - and solve for x:

Answer:

x = 4

Answer:

i think that it is. C.

i think it will help

Step-by-step explanation:

Plug in each value of x into the equation and find y:

\(\left[\begin{array}{cc}x&y\\-2&(-2)^{2}-2(-2)+5=13\\-1&(-1)^{2}-2(-1)+5=8\\0&(0)^{2}-2(0)+5=5\\1&(1)^{2}-2(1)+5=4\\2&(2)^{2}-2(2)+5=5\\3&(3)^{2}-2(3)+5=8\end{array}\right]\)

Answer:

Is it .04

Step-by-step explanation:

Applying this property to this case:

Answer:

900 feet per hour

Step-by-step explanation:

225×4 = 900

15×4=60

the tortoise's rate of speed is 900 feet per hour

hope that helps.

The curve described by the given equations is a quadratic parametric curve with three interpolated control points. The equations are:    $$f_x(u) = c_0 u^2 + c_1 u + c_2 $$   and    $$f_y(u) = c_3 u^2$$

These equations represent the parametric equations for the x and y coordinates of the curve, respectively. The parameter "u" represents the parameterization of the curve, and the coefficients c0, c1, c2, and c3 are the control points that determine the shape of the curve.

By varying the values of the control points c0, c1, c2, and c3, the curve can be manipulated to create different shapes. The quadratic term u^2 contributes to the curvature of the curve, while the linear terms c1u and c2 affect the slope and position of the curve. The coefficient c3 determines the height or vertical position of the curve.

To create a curve using this quadratic parametric approach with three interpolated control points, specific values need to be assigned to the coefficients c0, c1, c2, and c3. These values will determine the precise shape and position of the curve. By manipulating these control points, one can generate various types of curves, such as parabolas, ellipses, or even more complex curves.

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Answer: The sample space of rolling an eight-sided die would be (1, 2, 3, 4, 5, 6, 7, 8)

Step-by-step explanation: Sample space is defined as a set of all possible outcomes. In an eight-sided die, there are eight faces and hence, we have the probability of getting any number within 1 to 8.

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Answer:

D

Step-by-step explanation:

Answer:

2,700

Step-by-step explanation:

A=2(wl+hl+hw)=2·(20·30+15·30+15·20)=2700

Answer:

64 gallon = 4 miles

1 gallon = 4/64

= 0.0625 miles

To calculate the probability of two separate events using the ratio method, we must first understand the odds associated with each event. The odds are expressed as a ratio, with the first number representing the chances of success and the second number representing the chances of failure. For example, the odds of an event happening might be 3:2, which indicates that there is a 3/5 chance of success.

Once the odds for each event are known, we can calculate the probability of both events occurring by multiplying the odds of each event together. So, for example, if the odds of Event A are 3:2 and the odds of Event B are 4:5, the probability of both events occurring is 3/2 * 4/5 = 6/10. This means that there is a 6 in 10 chance of both events occurring.

To sum up, calculating the probability of two separate events using the ratio method is fairly simple. Just look at the odds associated with each event and multiply them together to get the probability of both events occurring.

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Answer:

3

Step-by-step explanation:

False. The variance is not a measure of central tendency; it is a measure of dispersion or spread in a dataset. Central tendency measures, on the other hand, describe the center or typical value of a dataset. Common measures of central tendency include the mean, median, and mode.

The variance quantifies the average squared deviation of individual data points from the mean. It provides information about how spread out the data points are around the mean. A larger variance indicates greater dispersion, while a smaller variance indicates less dispersion.

To calculate the variance, you compute the average of the squared differences between each data point and the mean. This emphasizes the spread of the data but does not provide information about the central value or typical location of the data.

In conclusion, the variance is a measure of dispersion, not a measure of central tendency. It quantifies how spread out the data points are from the mean, providing insights into the variability of the dataset.

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Complete Question

Jo estimated the quotient of –41.71 divided by –6.03 by rounding each to the nearest integer. What is Jo’s error? a) Negative 42 divided by negative 7 = 6

b) Jo should have rounded the dividend to –40

c) Jo should have rounded the divisor to –6.

d) Jo should have divided –7 by –42. e) Jo should have divided –7 by –7

Answer:

c) Jo should have rounded the divisor to –6.

Step-by-step explanation:

Jo estimated the quotient of –41.71 divided by –6.03 by rounding each to the nearest integer.

Nearest integer

Dividend = -41.71 = -42

Divisor = -6.03 = -6

Jo's error was that she should have rounded the divisor to -6

Hence: -42 ÷ -6 = 7

Quotient = 7

B :)

the other guy did good explaining but he said C instead of B

Answer:

a. 120 degrees

b. 2.0944 radians

Step-by-step explanation:

From 12:00 to 12:15 there forms a 90 degree angle. If we divide this by 3 we get that every 5 minutes the hand moves 30 degrees. Since in this scenario, the minute hand moved from 12:10 to 12:30 it, therefore, moved a total of 20 minutes so we can do the following math

20 / 5min = 4 times

4 * 30 degrees = 120 degrees

We can see that in this time it moved a total of 120 degrees. Now we can use this value to turn it into radians using the degree to radians formula

degrees * \(\pi /180\) = radians

120 * \(\pi / 180\) = radians

2.0944 = radians

To address the issue of inaccurate data due to training and inclusion of deaths outside the specified time period, steps can be taken such as enhancing interviewer training, developing standardized protocols, monitoring data collection, reviewing and validating data, and reporting limitations. These measures aim to improve accuracy and reliability in survey findings.

The issue you are describing is related to the training of the interviewers and the inclusion of deaths outside the specified time period in a survey. This can result in inaccurate data and misleading findings. To address this problem, here are some steps that could be taken:
1. Review the training process: Evaluate the training program for interviewers to ensure that they have a clear understanding of the study objectives, the time period of interest, and the criteria for identifying relevant deaths.
2. Enhance interviewer training: Provide additional training sessions or resources to improve interviewer skills, such as accurately identifying and recording deaths within the specified time frame.
3. Develop a standardized protocol: Create a standardized protocol that clearly defines the criteria for including deaths in the survey. This should include guidelines for determining the appropriate time period and ensuring consistency in data collection.
4. Monitor data collection: Implement a system to monitor the data collection process, including regular checks to verify the accuracy and completeness of the information recorded by interviewers.
5. Review and validate data: After the survey is completed, carefully review the collected data and identify any discrepancies or inconsistencies. Cross-check the reported deaths against other reliable sources or databases to ensure accuracy.
6. Report limitations: When presenting the survey findings, clearly acknowledge any limitations resulting from the inclusion of deaths outside the time period of interest. This will help provide context and ensure the accurate interpretation of the data.
By implementing these steps, the accuracy and reliability of the survey data can be improved, leading to more valid and meaningful results.

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Answer:

No, because not all corresponding angles are congruent.

Step-by-step explanation:

In order for two triangles to be similar you must have that you know at least 2 corresponding angles are congruent which would also imply the third set of angles are also congruent. You can also tell if two triangles are similar based on their corresponding sides being proportional. Without even checking the proportionally part of corresponding sides, I see the 3 angles in the first triangle do not have the same measurement as the one in the second triangle. Therefore, the triangles cannot possibly by similar.

Hope this helped you love.

Answer:

17.9

Step-by-step explanation:

The length of the deep end is 12 feet of the swimming pool.

Given: Area of the swimming pool is 210 square feet

Width of the pool = 10 feet

The length of the shallow end is 9 feet and the length of the deep end is d.

To find the value of d.

Let's solve the problem.    

The area of the swimming pool is 210

The width is 10

The deep end length is d

The shallow end length is 9

The total length of the swimming pool = The length of the deep end + The length of the shallow end

=> d + 9

Therefore, the total length of the swimming pool is d + 9

The surface of the swimming pool is rectangular, so

The area of rectangle = width × length

Therefore,

area of swimming pool = width of the pool × length of the swimming pool

=> 210 = 10 × (9 + d)

or 10 × (9 + d) = 210

Dividing both sides by 10:

10 × (9 + d) / 10 = 210 / 10

9 + d = 21

Subtracting 9 on both sides:

9 + d - 9 = 21 - 9

d = 12

Therefore the length of the deep end is 12 feet

Hence the length of the deep end is 12 feet of the swimming pool.

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The length of the deep end of the swimming pool is 12 feet.

We are given that:

The Area of the swimming pool = 210 square feet

width of the swimming pool = 10 feet

Length of shallow end = 9 feet

Let the length of the deep end be d.

Total length of the swimming pool = length of deep end + length of shallow end =  d + 9

Area of swimming pool = width × length

Substituting the values, we get that:

210 = 10 × (9 + d)

9 + d = 21

d = 12

Therefore the length of the deep end of the swimming pool is 12 feet.

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Answer:

188

Step-by-step explanation:

88 + 6= 94

94 + 94 = 188

188 divided by 2 = 94

94 - 6 = 88

88 was how much Paula paid

It is test of two independent population means. So right should be option (a) "t for two population means (independent samples)" is correct.

Here we want to test the frequency on week days that is felonies tends to be committed more often on weekends (Saturday and Sunday) than on weekdays (Monday through Friday).

Here null hypothesis

H(0): means (Saturday and Sunday) = mean (Monday through Friday)

Alternative Hypothesis

H(1): mean (Saturday and Sunday) > mean (Monday through Friday)

So it is test of two independent population means. So right should be option (a) "t for two population means (independent samples)" is correct.

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The right question is:

To determine whether felonies tend to be committed more often on weekends (Saturday and Sunday) than on weekdays (Monday through Friday), a sociologist classifies a random sample of records of convicted felons in terms of these two categories. The appropriate statistical test is a:

a) t for two population means (independent samples).

b) t for population correlation coefficient.

c) one-variable chi-square.

d) two-factor F

\(~~~~~~~~y = (x-4)^2 +6\\\\\implies (x-4)^2 = y-6 \\\\\implies x -4 = \pm\sqrt{y-6}\\\\\implies x = \pm\sqrt{y-6} +4\)

Answer:

1. variable by itself with a coefficient of 1 on one side of the equation and all the other variables and constants on the other side.

2.Because solving an equation is to find its solutions, which are the values (numbers, functions, sets, etc.) that fulfill the condition stated by the equation, consisting generally of two expressions related by an equals sign. When seeking a solution, one or more variables are designated as unknowns.

Step-by-step explanation:

3x =4xyz - 12y

+12           +12

3x + 12y

----------

4xy

3x + 12y

---------- =z

4xy

Do long division (see the attachment).

\(\dfrac{1}{22}=0.04545\ldots=0.0\overline{45}\)

Water boils at 100°C, which is 400% more than my room's temperature.

Room temperature is usually around 25°C (77°F).

Therefore, the difference between the temperature at which water boils and room temperature is 100 - 25 = 75°C.

So, water boils at 400% more than room temperature can be expressed as

:400% = (400/100)

          = 4

Therefore, the boiling point of water is 4 times greater than room temperature.

To summarize, water boils at 100°C, which is 400% more than room temperature.

Room temperature is generally around 25°C, which implies that the boiling point of water is 75°C higher than room temperature.

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Answer: There are 6 vertices in the polyhedron

Step-by-step explanation:

V- E+ F= 2

V- 10+ 6= 2

V- 4 = 2

V=6

Answer:

y = -3.84.

Step-by-step explanation:

(0.4y - 3)/(1.5y + 9) = -7/5

Cross multiply:

2y - 15 = -10.5y - 63

12.5y =  -48

y = -3.84

We can say that the consumer surplus in this market is more than $100.

Consumer Surplus refers to the difference between the amount that the customers are willing to pay for a product or service and the amount that they pay for it. To determine the consumer surplus, we will first consider the highest price that a consumer is willing to pay. In this case, we will refer to the price that d is willing to pay. Thus, the highest price that a consumer is willing to pay is $145.

The market price is the same for all consumers; thus, all the other consumers are willing to pay less than $145. To calculate the consumer surplus, we can use the formula:

CS = Total Benefit - Total Cost

In this case, the total benefit is the sum of the amount that each consumer is willing to pay:

Total Benefit = 25 + 13 + 7 + 145 = $190

The total cost is simply the market price multiplied by the number of units sold. In this case, we do not have any information about the number of units sold; thus, we cannot calculate the total cost. However, we can conclude that the consumer surplus is greater than $100 because the total benefit is $190, which is greater than $100. Thus, we can say that the consumer surplus in this market is more than $100.

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