which surveys illustrate an example of qualitative data? check all that apply.the time, in minutes, it took students to finish their examsthe eye color of students involved in after-school activitiesthe characteristics of different types of birdsthe scores on the last examthe weights of different books

The shopper expects to pay 43.75%.

The amount of something is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.

Given

A savvy shopper combines a 25% off coupon with the store’s existing 25% off sale.

The shopper expects to pay.

We know the formula

[1 - (1 - X%)(1 - Y%)] x 100

Then we have X = 25 and Y = 25

Then

[1 - (1 - 0.25)(1 - 0.25)] x 100

[1 - (0.75)(0.75)] x 100

[1 - 0.5625] x 100

0.4375 x 100

43.75%

The shopper expects to pay 43.75%.

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Answer:

8/360×3.14×4×4 I think the answer is 1.115

The minimum lane width corresponding to a minimum safe average distance of 2 meters between bikes and passing cars can be determined using linear regression analysis.

To find the minimum lane width corresponding to a safe average distance of 2 meters between bikes and passing cars, we can use linear regression analysis on the given data. Linear regression helps establish a relationship between two variables and predict one variable based on the other. In this case, we want to predict the lane width based on the average distance between bikes and passing cars.

First, let's plot the given data points, with the average distance on the x-axis and the lane width on the y-axis. This plot will provide a visual representation of the data points.

After plotting the data, we can use linear regression to fit a straight line that best represents the trend in the data. The line will pass through the data points in such a way that the overall distance between the line and the data points is minimized. The equation of the line can be used to estimate the lane width corresponding to a given average distance.

Using the linear regression analysis, we obtain the equation of the line that best fits the data. Once we have the equation, we can substitute the desired average distance of 2 meters to find the corresponding minimum lane width. This minimum lane width will ensure a safe average distance between bikes and passing cars.

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The average speed if the airplane when it travels 3850 km in 5.5 hours is 700 km per hours.

To calculate the average speed of the airplane, we can use the formula:

Average Speed = Distance Traveled / Time Taken

In this case, the distance traveled by the airplane is 3850 km, and the time taken is 5.5 hours. Let's substitute these values into the formula

Average Speed = 3850 km / 5.5 hours

Calculating the average speed

Average Speed = 700 km/h

Therefore, the average speed of the airplane from New York to Los Angeles is 700 km per hours.

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Answer: $75.83

Step-by-step explanation:

Seth needs $9,100 and his grandparents will pay 70% of this:

= 9,100 * 70%

= $6,370

The amount Seth has to save for is therefore:

= 9,100 - 6,370

= $2,730

He has 3 years to save for it and wants to save monthly. In months this is:

= 3 * 12

= 36 months

Minimum amount to save every month is:

= Amount to save/ Number of months

= 2,730 / 36

= $75.83

Answer:

Valores: Amor

Antivalores: Miedo, rencor y la preferencia

Step-by-step explanation:

hola!

Answer:

0

Step-by-step explanation:

The percentage of Americans over the age of 65 has increased while the percentage of Americans under the age of 18 has decreased .

The United Stats of America is one of the countries that is known to have a very good health care system. This implies that, there has ben a very huge improvement in the health care of the population of the United States.

As a result of this improvement in the healthcare of the people of the United States, the percentage of Americans over the age of 65 has increased while the percentage of Americans under the age of 18 has decreased .

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Answer:

the area should be in in2

Answer:

190

Step-by-step explanation:

Attached picture...

Answer:

negative

Step-by-step explanation:

Explanation:

The probability that a variable has a z-score less than a number - let's call this number 'a'- is represented on a z-score table. Each number in the table represents the area under the curve on to the left of 'a':

In other words, the numbers in the table are the probability of the variable being less than a:

If we multiply by 100 we have the probability expressed as a percent: 66.28%.

Answer:

Rounded to the nearest percent, P( Z < 0.42) = 66%

Answer:

a²+b²=126

Step-by-step explanation:

(a+b)²=a²+b²+2ab

(12)²=a²+b²+2×9

144=a²+b²+18

a²+b²=144-18=126

Freud is a stage theorist. Sigmund Freud, the renowned Austrian neurologist and psychoanalyst, is widely recognized as one of the pioneers in the field of psychoanalysis.

He proposed a developmental theory that included psychosexual stages of development. According to Freud, human development progresses through distinct stages, each characterized by a specific focus on different erogenous zones. These stages include the oral stage, stage, phallic stage, latency stage, and genital stage. Freud believed that the way individuals navigate these stages influences their personality and psychological well-being in adulthood.

Although Freud's stage theory has been critiqued and modified over time, his ideas regarding the importance of early childhood experiences and unconscious processes have had a profound impact on psychology and continue to shape our understanding of human development.

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Answer: The answer is y=-7x. yeah

Answer:

2°C

Step-by-step explanation:

-3 + 5 = 11

Answer:

The temperature is 3°

Step-by-step explanation:

If we start at -3, then we go to -2, then -1, then 0, then 1 and then 2.

An ice cream shop has 10 flavors and one can choose 4 different flavors. The question asks for the total number of possible flavor combinations.Therefore, we need to find the number of ways in which 4 flavors can be chosen from 10 flavors.

In such cases where order does not matter and repetitions are not allowed, we can use the formula for combinations which is as follows:C(n, r) = n! / (r! (n - r)!)Where n is the total number of items, r is the number of items being chosen at a time and ! represents the factorial function.

Using this formula we can find the total number of possible flavor combinations. Substituting the values in the above formula, we get:C(10, 4) = 10! / (4! (10 - 4)!)C(10, 4) = (10 * 9 * 8 * 7) / (4 * 3 * 2 * 1)C(10, 4) = 210Hence, there are 210 possible flavor combinations when one can choose 4 different flavors

.Explanation:The formula to be used for this type of question is combination. Combination is the method of selecting objects from a set, typically without replacement (without putting the same item back into the set) and where order does not matter. The formula for combination is given by C(n,r)=n!/(r!(n-r)!).

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Joule per meter second is the unit of measurement for momentum flux or power per unit area. It is commonly used in physics and engineering to quantify the rate of energy transfer or momentum flow per unit area.

Joule per meter second (J/m^2s) is not the correct unit for momentum flux or power per unit area. The correct unit for momentum flux is Newton per square meter (N/m^2), also known as Pascal (Pa), while the correct unit for power per unit area is watt per square meter (W/m^2). The joule per meter second (J/m^2s) is actually the unit for volumetric energy dissipation rate, which measures the rate at which energy is being dissipated within a fluid volume per unit volume. It is used in the study of fluid dynamics and turbulence.

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The expression for the probability density function of the Weibull distribution will be: f(x) = k * x^(k-1) * e^(-x^k)

The expression for the probability density function (pdf) of a Weibull distribution is given by:

f(x) = k * x^(k-1) * e^(-x^k)

where:

x is the random variable

k is the shape parameter, which determines the shape of the distribution

e is the base of the natural logarithm

The shape parameter can take on any positive value, and the distribution is typically characterized by a shape that is either increasing or decreasing, depending on the value of k.

If the value of the k is less than 1, the distribution has a decreasing hazard rate, indicating that the failure rate decreases over time.

If the value of the k is greater than 1, the distribution has an increasing hazard rate, indicating that the failure rate increases over time.

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Using Laplace transform, the impulse response of the system is 2t * \(e^{-6t\).

To determine the impulse response of the system modeled by the transfer function H(s) = 2s / (s + 6), we can apply the inverse Laplace transform.

The impulse response is obtained by taking the inverse Laplace transform of H(s) = 2s / (s + 6), which can be done using partial fraction decomposition.

First, let's write the transfer function in the form of partial fractions:

H(s) = A / (s + 6) + B * s / (s + 6)

To find the values of A and B, we can multiply the denominator (s + 6) to both sides and equate the numerators:

2s = A + B * s

By comparing coefficients, we can solve for A and B:

A = 0 (from the constant term)

2 = B (from the coefficient of s)

Now that we have A = 0 and B = 2, we can rewrite the transfer function as:

H(s) = 0 / (s + 6) + 2s / (s + 6)

Applying the inverse Laplace transform to each term, we obtain the impulse response h(t):

h(t) = 0 * \(e^{-6t\) + 2 * \(e^{-6t\) * t

Simplifying, we have:

h(t) = 2t * \(e^{-6t\)

Therefore, the impulse response of the system modeled by the given transfer function is h(t) = 2t * \(e^{-6t\).

Correct Question :

Determine the impulse response of that system using the inverse Laplace transform of H(s) = 2s/s+6.

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The number of constant terms in the expression x³ ± 6x ± 8 is 1.

Given expression is,

x³ ± 6x ± 8

Constant terms are terms which consists of only the numerical values and not includes any variables.

Here the variable is x.

The terms x³ and 6x includes variables.

So the only term which is a constant is 8.

So there is only 1 constant term.

Hence the number of terms in the expression which are constants is only 1, which is 8.

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The confidence interval provides a range within which we can be 90% confident that the true proportion of Americans who cannot afford to go to college falls.

To calculate a 90% confidence interval for the proportion of Americans who decide not to go to college due to financial constraints, you will need data from a sample that represents the population accurately. Let's assume you have a sample of n individuals.

1. Determine the sample proportion (p-hat): Calculate the number of individuals in the sample who cannot afford college and divide it by the total sample size, n.

2. Calculate the standard error (SE):

The formula for the standard error is SE = √(p-hat * (1 - p-hat) / n).

Here, p-hat is the sample proportion.

3. Find the critical value (z): For a 90% confidence interval, the critical value is 1.645. This value corresponds to the area under the standard normal distribution.

4. Calculate the margin of error (ME): Multiply the critical value (z) by the standard error (SE).

5. Compute the confidence interval: Subtract the margin of error (ME) from the sample proportion (p-hat) to obtain the lower bound of the interval. Similarly, add the margin of error (ME) to the sample proportion (p-hat) to get the upper bound.

Now, let's interpret the interval in context. For example, if the calculated confidence interval is (0.25, 0.35), it means that we are 90% confident that the proportion of Americans who cannot afford college lies between 0.25 and 0.35.

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Answer:

261.06 (Approx)

Step-by-step explanation:

Given:

Two number = 0.678,9.01/0.0234

Find:

Multiply

Computation:

⇒ 0.678,9.01/0.0234

⇒ 0.678 x [9.01/0.0234]

⇒ 6.10878 / 0.0234

⇒ 261.058874

261.06 (Approx)

To find the minimum score of the top 2.5% of students, we need to calculate the z-score corresponding to the 97.5th percentile and then convert it back to the original SAT score scale.

First, let's calculate the z-score using the formula:

z = (x - μ) / σ

where x is the SAT score, μ is the mean (1175), and σ is the standard deviation (120).

To find the z-score corresponding to the 97.5th percentile, we need to find the z-score value that leaves 2.5% in the tail of the distribution (to the right).

Using a standard normal distribution table or a statistical calculator, we find that the z-score corresponding to the 97.5th percentile is approximately 1.96.

Now we can solve for x (the SAT score) in the z-score formula:

1.96 = (x - 1175) / 120

Multiply both sides by 120:

1.96 * 120 = x - 1175

235.2 = x - 1175

Add 1175 to both sides:

235.2 + 1175 = x

1410.2 = x

Therefore, the minimum score of the top 2.5% of students is approximately 1410.

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Answer:

P=1538.461

Step-by-step explanation:

do it by the formula of

I=PRT, I=750 R=3.25% T=15

Answer:

I uploaded a file hosting link for your question!

Here is the link:

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Step-by-step explanation:

Answer is A

Hope it helped :)

Answer:

3500

Step-by-step explanation:

13% - 100% = 87

(3045 x 100) divided by 87 = 3500 people

The total number of people attending the game will be 3500.

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates for one hundred percent. It is symbolized by the character '%'.

The percentage is given as,

Percentage (P) = [Final value - Initial value] / Initial value x 100

At a basketball game, 13% were supporting the opposing group. On the off chance that 3045 individuals going to uphold the host group.

The percentage of supporting the home team will be given as,

⇒ 100% - 13%

⇒ 87%

The total number of people attending the game will be given as,

⇒ 3045 / 87%

⇒ 3045 / 0.87

⇒ 3500

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Answer:

x squared over 4 plus and squared over 8 equals 1, x^2/4 + y^2/8 = 1

Step-by-step explanation:

We have that the general ellipse equation is as follows:

x^2/a^2 + y^2/b^2 = 1

Furthermore, the foci is (0, c) and b> a we have to:

c ^ 2 = b ^ 2 - a ^ 2

However,

guideline x = + - b / e and foci (0, + - ab)

where is e is the eccentricity, therefore:

b / e = 4, then e = b / 4

and we also have b * e = 2, we replace:

b * (b / 4) = 2

b ^ 2 = 8

replacing:

2 ^ 2 = 8 - a ^ 2

a ^ 2 = 8 - 2 ^ 2

a ^ 2 = 8 - 4

a ^ 2 = 4

Therefore if we replace in the general equation it would be

x^2/4 + y^2/8 = 1

that is, x squared over 4 plus and squared over 8 equals 1

Answer:

x^2/4 + y^2/8 = 1

Step-by-step explanation:

Answer:

x = 27

Step-by-step explanation:

2/3x - 1/9x + 5 = 20

Subtract 5 from each side

2/3x - 1/9x + 5 -5= 20-5

2/3x - 1/9x  = 15

Get a common denominator on the left side

2/3 *3/3 x - 1/9x = 15

6/9x - 1/9x = 15

5/9 x = 15

Multiply each side by 9/5

9/5 * 5/9x = 15 * 9/5

x = 15/5 *9

x = 3*9

x = 27

Answer:

x=27

Step-by-step explanation:

2/3 x -1/9 x+5=20

2/3x -1/9 x=20-5 common denominator

(6x-1x)/9=15 multiply each side by 9

(5x)=135

5x=135

x=135/5=27

x=27