Monique wants to enlarge a 4" x 6" photo to frame and hang up. If the enlarged photo must have a
width of 3 feet, what is the height of the enlargement?

The conditioned response (CR) in this scenario is the feeling of illness that Jack experiences whenever he sees bread. It is a learned response that has been associated with the moldy bread incident and has become triggered by the sight of bread.

When Jack unknowingly ate the sandwich with moldy bread, he formed an association between the moldy bread and feeling ill. This association was established through classical conditioning, where an unconditioned stimulus (the moldy bread) became paired with an unconditioned response (feeling ill) due to its natural properties.

Over time, this association became learned, and the bread itself became a conditioned stimulus (CS).

As a result, whenever Jack now sees bread, the conditioned stimulus (CS), it triggers the conditioned response (CR) of feeling ill.

The association between the moldy bread and feeling ill has been generalized to bread in general, leading to the automatic and involuntary response.

The CR in this scenario demonstrates the power of conditioning and how an initially neutral stimulus (bread) can come to evoke a response (feeling ill) due to its association with an aversive experience (eating moldy bread).

This learned response can persist even after the initial incident and continue to affect Jack's emotional and physiological reactions to bread in the future.

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For Pearson correlation the most common purpose to examine is given by option a. The relationship between 2 variables.

The Pearson correlation is a statistical measure that indicates the extent to which two continuous variables are linearly related.

It measures the strength and direction of the relationship between two variables.

Ranging from -1 perfect negative correlation to 1 perfect positive correlation.

And with 0 indicating no correlation.

It is commonly used in research to examine the association between two variables.

Such as the relationship between height and weight, or between income and education level.

Therefore, the most common purpose of a Pearson correlation is to examine the relationship between 2 variables.

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The above question is incomplete, the complete question is:

The most common purpose for a Pearson correlation is to examine,

a. The relationship between 2 variables

b. Relationships among groups

c. Differences between variables

d. Differences between two or more groups

Answer:

Third Option ∠XYW ≅∠ZYW

Step-by-step explanation:

Line bisector cuts an angle in half.

Answer:

jddossjienrufhddddhdudjdj

The results obtained using the algebraic approach and the matrix approach should be the same. Both methods are mathematically equivalent and provide the most probable values of A and B that minimize the sum of squared weighted residuals.

To solve the system of equations using the weighted least squares method, we need to minimize the sum of the squared weighted residuals. Let's solve the problem using both the algebraic approach and matrices.

Algebraic Approach:

We have the following equations:

A + 2B = 10.50 + V1 ... (1)

2A - 3B = 5.55 + V2 ... (2)

2A - B = -10.50 + V3 ... (3)

To minimize the sum of squared weighted residuals, we square each equation and multiply them by their respective weights:

\(2^2 * (A + 2B - 10.50 - V1)^2\)

\(3^2 * (2A - 3B - 5.55 - V2)^2\\1^2 * (2A - B + 10.50 + V3)^2\)

Expanding and simplifying these equations, we get:

\(4(A^2 + 4B^2 + 10.50^2 + V1^2 + 2AB - 21A - 42B + 21V1)\\9(4A^2 + 9B^2 + 5.55^2 + V2^2 + 12AB - 33A + 16.65B - 11.1V2)\\(A^2 + B^2 + 10.50^2 + V3^2 + 2AB + 21A - 21B + 21V3)\\\)

Now, let's sum up these equations:

\(4(A^2 + 4B^2 + 10.50^2 + V1^2 + 2AB - 21A - 42B + 21V1) +\\9(4A^2 + 9B^2 + 5.55^2 + V2^2 + 12AB - 33A + 16.65B - 11.1V2) +\\(A^2 + B^2 + 10.50^2 + V3^2 + 2AB + 21A - 21B + 21V3)\int\limits^a_b {x} \, dx\)

Simplifying further, we obtain:

\(14A^2 + 31B^2 + 1113 + 14V1^2 + 33V2^2 + 14V3^2 + 14AB - 231A - 246B + 21V1 - 11.1V2 + 21V3 = 0\)

Now, we have a single equation with two unknowns, A and B. We can use various methods, such as substitution or elimination, to solve for A and B. Once the values of A and B are determined, we can substitute them back into the original equations to find the most probable values of A and B.

Matrix Approach:

We can rewrite the system of equations in matrix form as follows:

| 1 2 | | A | | 10.50 + V1 |

| 2 -3 | | B | = | 5.55 + V2 |

| 2 -1 | | -10.50 + V3 |

Let's denote the coefficient matrix as X, the variable matrix as Y, and the constant matrix as Z. Then the equation becomes:

X * Y = Z

To solve for Y, we can multiply both sides of the equation by the inverse of X:

X^(-1) * (X * Y) = X^(-1) * Z

Y = X^(-1) * Z

By calculating the inverse of X and multiplying it by Z, we can find the values of A and B.

Comparing Results:

The results obtained using the algebraic approach and the matrix approach should be the same. Both methods are mathematically equivalent and provide the most probable values of A and B that minimize the sum of squared weighted residuals.

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Answer:

the ratio is 2 to 3

Answer:

well if you had bigger number you would divide but you cant here it would stay the same

Step-by-step explanation: Hope this helps

Answer:

-26 \(\frac{1}{10}\)

Step-by-step explanation:

.1 as a fraction is 1/10

Answer:

________________________________________________

Step-by-step explanation:

______________________________________________________________________________________________

Answer:

2.2

Step-by-step explanation:

To find a, you use a formula called the law of cosines:

The law of cosines tells us:

a^2 = b^2 + c^2 - 2bc cosA

So lets plug in the values:

a^2 =  4^2 + 3^2 -2(4)(3)cos(32)

a^2 = 25-24cos32

a^2 is roughly equal to 4.97

therefore a roughly equal to 2.2

Answer: The answer is A. 2.2. Hoped this helps! :)

Step-by-step explanation:

Answer:

the first one is 185 over 24 in the exact form

Step-by-step explanation:

Answer:

about 11 boys were on the track team last year.

No, Sarah's claim that the vertex of the function\(f(x) = (x + 2)^2\) is (2, 6) is incorrect. The correct vertex of the function f(x) = (x + 2)² is (-2, 0)

Comparing the given function \(f(x) = (x + 2)^2\) with the general form, we can see that the function has a transformation of shifting 2 units to the left (h = -2) and no vertical shift (k = 0). Therefore, we expect the vertex to be at the point (-2, 0).

To find the vertex explicitly, we can set the derivative of the function equal to zero and solve for x. The derivative of\(f(x) = (x + 2)^2\) is\(f'(x) = 2(x + 2).\)Setting f'(x) = 0, we find x = -2. Plugging this value into the original function, we get f(-2) = (0)² = 0. So, the vertex is indeed located at (-2, 0).

In conclusion, the correct vertex of the function \(f(x) = (x + 2)^2\) is (-2, 0), not (2, 6). Sarah's claim is incorrect, likely due to a misunderstanding of the vertex form of the quadratic function.

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Answer:

Question 18: 453,600

Step-by-step explanation:

As the value of n decreases, the t-distribution becomes more spread out or has heavier tails, reflecting the increased uncertainty in estimating the population mean with smaller sample sizes.

As the value of n decreases from 40 to 20, the following is true about the t-distribution:

The t-distribution becomes more spread out or has heavier tails.

The t-distribution is a probability distribution that is used when estimating the mean of a population based on a small sample size. It is similar to the standard normal distribution (z-distribution), but it has slightly heavier tails. The shape of the t-distribution depends on the degrees of freedom, which are determined by the sample size (n) minus 1. When the sample size decreases, the degrees of freedom decrease as well. This results in a wider t-distribution with heavier tails. In other words, as n decreases from 40 to 20, the t-distribution becomes more spread out, indicating that the estimates of the mean based on smaller sample sizes have higher variability and are less precise.

Therefore, as the value of n decreases, the t-distribution becomes more spread out or has heavier tails, reflecting the increased uncertainty in estimating the population mean with smaller sample sizes.

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Answer:

False.

Step-by-step explanation:

.

17+1= 18

12= -6

12-17= -5 + 1 =-4.

Answer:

False

Step-by-step explanation:

12- (17 + 1) = (12 - 17) + 1

PEMDAS says parentheses first

12- (18) = (-5) + 1

Then add and subtract

-6 = -4

They are not equal

Translating the new coordinate up by 2 units and 5 units to the left will given a final coordinate at X''''(10, 1), Y''''(-4, 15) and Z''''(4, 19)

This is a technique used to change the position or size of an object on the xy plane.

Given the coordinate points X(2, 4), Y(5,-3) and Z(-7, 1)'

If the coordinate points is rotated 90 degrees clockwise, then the resulting coordinate will be at X(4, -2), Y(-3,-5) and Z(1, 7)

If the resulting coordinate is dilated by by a scaling factor of 2, then the new coordinate points wil be at X''(8, 4), Y''(-6, -10) and (2, -14)

If the resulting coordinate is reflected over the x-axis, then the new coordinate points wil be at X'''(8, -4), Y''(-6, 10) and (2, 14)

Finally, translating the new coordinate up by 2 units and 5 units to the left will given a resulting coordinate at X''''(10, 1), Y''''(-4, 15) and Z''''(4, 19)

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Answer:

x=3

Step-by-step explanation:

x-3=0

so move the three to the other side of the equal sign to get

x=3

when you move a number to the other side you have to change the sign so your answer is x=3

PLEASE RATE!! I hope this helps!!

Answer: 165 cm

Step-by-step explanation:

5 dived by 2 = 2.5

66 x 2.5 = 165

(And you’re not dumb btw)

Answer: Basically, all you have to do is divide 66 by two then multiply times 5. So he is 165 centimeters tall. Hope this helps! You can also divide 5 by 2 and you still get the same answer!

Step-by-step explanation:

The average winning per bet is the mean or the expected value of winning a bet.

The statistical term that represents $0.94 is (c) the expected value

From the question, we understand that the gambler has an average winning of $0.94, when he places a bet of $1

This means that:

The average winning on a bet of $1 is $0.94

Average, in statistics means the mean or expected value

Hence, the statistical term for $0.94 is (c) the expected value

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Answer:

0 Oranges

Step-by-step explanation:

If you had 2 oranges at the start, then your no good friend Bernice took 2 of them, you don't have any oranges left, so get back at him and steal his bannanas! That'll teach him!

If the distribution is symmetric and doesn't have significant outliers, the mean can be a good estimate.

If the distribution is skewed or has outliers, the median may be more appropriate.

The mode is useful for identifying the most common values in distributions with multiple peaks or discrete data.

The common measures of central tendency and the types of distributions they are typically suited for:

Mean: To calculate the mean, you add up all the values and then divide the sum by the total number of values.

It is most appropriate for symmetric distributions without significant outliers.

If the distribution is approximately symmetric, the mean provides a good estimate of the central value.

Median: When arranging data in either ascending or descending order, the median corresponds to the middle value.

It is suitable for distributions with outliers or skewed distributions. The median is a robust measure and is not affected by extreme values.

Mode: In a distribution, the mode represents the value that occurs most frequently.

It is useful for distributions with multiple peaks or discrete data.

The mode can be helpful when identifying the most common value(s) or the peak(s) in the distribution.

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a) the temperature between noon and 1 p.m. increased by 1° F per hour

b) the temperature between noon and 4 p.m. increased by 1.75° F per hour

c) the temperature between noon and midnight dropped 0.92° F per hour.

a) between noon and 1 p.m.

average rate of change = (19 - 18) / (1 - 0)

= 1 / 1

= 1

On average, the temperature between noon and 1 p.m. increased by 1° F per hour

b) between noon and 4 p.m.

average rate of change = (25 - 18) / (4 - 0)

= 7 / 4

= 1.75

On average, the temperature between noon and 4 p.m. increased by 1.75° F per hour

c) between noon and midnight

average rate of change = (7 - 18) / (12 - 0)

= - 11 / 12

= - 0.92

On average, the temperature between noon and midnight dropped 0.92° F per hour

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Given question is incomplete, the complete question is below

Find the average rate of change for the following intervals.

Explain or show your reasoning.

a. between noon and 1 p.m.

b. between noon and 4 p.m.

c. between noon and midnight

Answer:

Step-by-step Explanation:

Answer:

75%

Explanation:

3 divided by 4 is 0.75, move the decimal right 2 places and add a percentage sign

Answer:

75% out of 100%

Step-by-step explanation:

Therefore , the solution of the given problem of equation comes out to be x value is 79/19 and y = 18/19.

The equal symbol (=) is used in mathematical equations to denote equality between two propositions. Mathematical equations, which seem to be expressions of reality, are used to demonstrate how different numerical elements can be compared. For instance, the equal sign splits the integer 12 or the equation y + 6 = 12 into 2 different halves. One can compute how many characters each edge of a symbol has. Contradictory meanings are common in symbols.

Here,

Given :

=> x = 7 -3y

and

=> 4x -7y = 10

=> 4(7-3y) - 7y = 10

=> 28 -12y - 7y = 10

=> 28 - 19y = 10

=> 18 = 19y

=> y = 18/19

=> x = 7 - 3(18/19)

=> x =  133 - 54 / 19

=> x = 79 /19

Therefore , the solution of the given problem of equation comes out to be x value is 79/19 and y = 18/19.

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Answer:

Interest capitalization occurs when unpaid interest is added to the principal amount of your student loan. When the interest on your federal student loan is not paid as it accrues (during periods when you are responsible for paying the interest), your lender may capitalize the unpaid interest.

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

Substitute in numbers : 2(5)+3(6) /4

Combine Like Terms : 10+18/4 = 28/4

Answer : 7

To accurately represent the shoe sizes for men and women separately, it would be better to compute the mean or median shoe size for each group separately and compare them.

The problem with either the mean or the median as a measure of center in this case is that the data is not separated by gender, and the shoe size distributions for men and women are likely to be different. Therefore, computing the mean or median shoe size across all students may not accurately represent the typical shoe size for men or women separately.

For example, if the men in the sample have, on average, larger shoe sizes than the women, then the mean shoe size across all students may be biased towards the larger sizes, even though the majority of the students are women. On the other hand, if there are a few male students with very large shoe sizes, then the median shoe size across all students may be biased towards the larger sizes as well, even if most of the students are women with smaller shoe sizes.

To accurately represent the shoe sizes for men and women separately, it would be better to compute the mean or median shoe size for each group separately and compare them. Alternatively, a better measure of center might be to report the mode, which represents the most common shoe size in the data.

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The equation tan(θ) = 2 has two solutions in the interval from 0 to 2π. The approximate values of these solutions, rounded to the nearest hundredth, are θ ≈ 1.11 and θ ≈ 4.25.

The tangent function is defined as the ratio of the sine to the cosine of an angle. In the given equation, tan(θ) = 2, we need to find the values of θ that satisfy this equation within the interval from 0 to 2π.

To solve for θ, we can take the inverse tangent (arctan) of both sides of the equation. However, we need to be cautious of the periodicity of the tangent function. Since the tangent function has a period of π (or 180 degrees), we need to consider all solutions within the interval from 0 to 2π.

The inverse tangent function gives us the principal value of the angle within a specific range. In this case, we're interested in the values within the interval from 0 to 2π. By using a calculator or trigonometric tables, we can find the approximate values of the solutions.

In the interval from 0 to 2π, the equation tan(θ) = 2 has two solutions. Rounded to the nearest hundredth, these solutions are θ ≈ 1.11 and θ ≈ 4.25.

Therefore, the solutions to the equation tan(θ) = 2 in the interval from 0 to 2π are approximately θ ≈ 1.11 and θ ≈ 4.25.

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Answer:

the answer is 3x the width

to find the number of plants in the pond at the time t we can use the equation N(t) = 150(3)^t.

        The equation that can be used to find the number of plants in the pond at time t, given that the number of plants is growing exponentially, is:

                      N(t)=ab^t.

         The given values in the table for the function N(t) are:

                      t  N(t)0  1501  450

         We can use these values to determine the values of constants a and b in the equation

                       N(t)=ab^t:

          Substitute t = 0 and N(t) = 150 in the equation

                      N(t)=ab^t.

          Then, 150 = a × b^0 → 150

                            = a × 1 → a

                            = 150

            Substitute t = 1 and N(t) = 450 in the equation N(t)=ab^t.

             Then, 450 = 150 × b^1 → b = 3.

     Now that we have found the values of a and b, we can write the equation that can be used to find the number of plants in the pond at time t as:  N(t) = ab^t = 150(3)^t.

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