help asap pls and thx

Answer:

7 busses

Step-by-step explanation:

The name of every month ends in the letter y is the given statement. February is a counterexample to this statement. This is because February does not end with the letter 'y'. So the right  option is (c) February.

What is a counterexample?

In mathematics, a counterexample is an example that opposes or disproves a statement, proposition, or theorem. It is a scenario, an instance, or an example that goes against the given statement.

Therefore, a counterexample demonstrates that the given statement is false or invalid.In this case, the statement is: "The name of every month ends in the letter y." We have to find which of the months listed does not end in "y."February is the only month in the options listed that does not end in the letter "y."

Thus, it is a counterexample to the given statement. Therefore, the correct option is C, February.

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maybe try using the 2 and dropping the decimal

Answer: 4\(\sqrt{3\\}\)

Step-by-step explanation:

It is because to get rid of radical of 48, because you factor 48 and it comes out to be 12 and 4, factor of 4 is 2 x 2. Factor of 12 is 6 x 2. Simplify the 6 to

3 x 2. You find the pair and the ones that have a pare become one and go outside of the radical sign on the left. 2 has 2 pairs so it is only 2 x 2 = 4. So 4 goes outside of the radical sign. Then the number that is alone with no pair is 3 so you put the number 3 inside the radical sign.

4\(\sqrt{3}\) is your answer.

Hope this helps, sorry if not...

The volume of the square pyramid is: B. One-third s^2h units^3.

An example of a square pyramid is given in the image attached below. It has a square base and 4 triangular faces.

A right pyramid that has a square base has a volume that can be calculated using the following volume formula, given as: 1/3(a² × h), where "a" is the length of the edge of the square base, and "h" is the height of the square pyramid.

Given the following parameters for a square pyramid:

The length of the edge of the square base (a) = s units

The height of the square pyramid = h units.

Plug in the values into 1/3(a² × h) to find the expression that represents the volume of the pyramid:

Volume of the square pyramid = 1/3(a² × h) = 1/3(s² × h)

Volume of the square pyramid = 1/3s²h units ³.

The expression that represents the volume of the square pyramid is: B. One-third s^2h units^3.

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In a simple regression model, the unexplained variation in the response variable is determined by summing the squares of errors. This method, known as residual sum of squares (RSS), quantifies the discrepancy between the observed values and the predicted values by the regression model.

In a simple regression model, the goal is to find a line that best fits the relationship between a single predictor variable (X) and a response variable (Y). However, due to various factors and sources of variability, the observed values of the response variable may not perfectly align with the predicted values based on the regression line.

The errors, or residuals, are the differences between the observed values and the predicted values. To quantify the unexplained variation, the errors are squared to eliminate negative values and emphasize larger deviations. These squared errors are then summed up, resulting in the residual sum of squares (RSS).

By calculating the RSS, one can assess the amount of unexplained variation or "error" in the regression model. A smaller RSS indicates that the model provides a better fit to the data, as it suggests less unexplained variation. On the other hand, a larger RSS implies a less accurate fit, with more unexplained variation in the model.

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A: I do not understand.

B: Yes

C: 2 pair pants is $40. 4 pair shirts is $60. $60 + $40 = $100

The RTS of the isoquant is 1000K, indicating the rate at which labor can be substituted for capital while maintaining constant production. The labor to capital cost ratio is 0.5. To minimize the cost of producing q units per hour, the specific value of q is needed to find the optimal combination of K and L along the expansion path, represented by the cost function C(K, L) = 40K + 20L.

The RTS (Rate of Technical Substitution) measures the rate at which one input can be substituted for another while keeping the production level constant. To determine the RTS, we need to calculate the derivative of the production function with respect to L, holding q constant.

Given the production function q = 1000KL, we can differentiate it with respect to L:

d(q)/d(L) = 1000K

Therefore, the RTS of the isoquant for production level q is 1000K.

The ratio of labor to capital cost can be calculated by dividing the labor cost by the capital cost.

Labor cost = $20/hour

Capital cost = $40/machine/hour

Ratio of labor to capital cost = Labor cost / Capital cost

                              = $20/hour / $40/machine/hour

                              = 0.5

The ratio of labor to capital cost is 0.5.

To find the combination of K and L that minimizes the cost of producing q units per hour, we need to set up the cost function and take its derivative with respect to both K and L.

Let C(K, L) be the total cost function.

The cost of capital is $40 per machine per hour, and the cost of labor is $20 per hour. Therefore, the total cost function can be expressed as:

C(K, L) = 40K + 20L

To produce q units per hour at minimal cost, we need to find the values of K and L that minimize the total cost function while satisfying the production constraint q = 1000KL.

The expansion path of the firm represents the combinations of K and L that minimize the cost at different production levels q.

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Answer: the answer would be 7

Step-by-step explanation:

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The percentage change in the bond's price using the duration concept is approximately 0.03645, or 3.645%.

To calculate the percentage change in the bond's price using the duration concept, we can use the following formula:

Percentage Change in Bond Price = - (Duration * Change in Yield)

Given:

Duration = 7.29 years

Change in Yield = -0.005 (50 basis points decrease)

Using the formula, we can calculate the percentage change in the bond's price:

Percentage Change in Bond Price = - (7.29 * (-0.005))

Percentage Change in Bond Price = 0.03645

Therefore, the percentage change in the bond's price using the duration concept is approximately 0.03645, or 3.645%.

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The domain of the relation is 1,-1,-2, and 1. The range of the function is -2,2,4, and 3.

A function is defined as the expression that set up the relationship between the dependent variable and the independent variable.

A function's range is the collection of values it can take as input. After we enter an x value, the function outputs this sequence of values. The domain of the function is defined as the set of all the possible values of the function.

The domain of the relation is 1,-1,-2, and 1. The range of the function is -2,2,4, and 3.

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Answer:

Step-by-step explanation:

The expression x + 80 represents the number of coins Arthur has now, since he x pennies and an additional 6 dimes and 4 nickels.

We shall convert the pennies, dimes and nickels into same unit before adding to get the expression for the number of coins Arthur will have in total.

A penny = 1 cent, so

x pennies = x cents

A dime = 10 cents so;

6 dimes = 6 × 10cents

6 dimes = 60 cents

A nickel = 5 cents so;

4 nickels = 4 × 5 cents

4 nickels = 20 cents

Arthur's coins in total = (x + 60 + 40) cents

Arthur's coins in total = (x + 80) cents.

Therefore, the expression expression x + 80 represents the number of coins Arthur will have in total, wether in pennies, dimes or nickels.

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A pentagonal prism consists of two parallel pentagonal bases connected by rectangular faces, while a pentahedron is a general term for a five-faced 3D object.

12.1 Pentagonal Prism:

A pentagonal prism is a three-dimensional object with two parallel pentagonal bases and five rectangular faces connecting the corresponding sides of the bases. The pentagonal bases are regular pentagons, meaning all sides and angles are equal.

12.2 Pentahedron:

A pentahedron is a generic term for a three-dimensional object with five faces. It does not specify the specific shape or configuration of the faces. However, a common example of a pentahedron is a regular pyramid with a pentagonal base and five triangular faces.

The image is attached.

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Answer:

to find the sale price, you need to find what 34% of 82 is.

82 x 0.34 = 27.88

subtract that from the original price

82 - 27.88 = $54.12

you could also multiply 82 by (1 - .34) to get the same answer

82 x (.66) = $54.12

sale price is $54.12

hope this helps:)

Step-by-step explanation:

Answer: 74

Step-by-step explanation:

Mean means average.  Add all the numbers and divide by how many there are.

(86+45+93+77+63+80)/6

444/6

=74

The exact area under the curve is 12 square units.

The given curve is y=6sin(x),0≤x≤π.

The region that lies under the curve can be approximately calculated by using the graph as follows:

In order to find the exact area, we need to integrate the function with respect to x.

We integrate as follows:

∫[0, π]6sin(x)dx= -6cos(x)|[0,π]

= [-6cos(π) - (-6cos(0))]

= [6 - (-6)]

= 12

Therefore, the exact area under the curve is 12 square units.

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Answer:

Here are five things you can do to reduce your mortgage rate when you refinance or purchase a home: Add one point to your credit score. Most non-government mortgage programs are priced by credit score, in 20-point tiers. If your FICO is 680 points, for example, you pay significantly less than if it's 679.

Step-by-step explanation:

Answer:

28 squares of 5cm x 5 cm (25cm^ each)

Step-by-step explanation:

35/5 = 7 sides measuring 5 cm each. (Length divided in 7)

20/5 = 4 sides measuring 5 cm each (width divided in 4)

7 x 4 = 28 squares of 5 x 5

The procedure for revising probabilities based on additional information is referred to as Bayesian updating

The procedure for revising probabilities based on additional information is referred to as Bayesian updating. Bayesian updating is a fundamental concept in Bayesian statistics, which allows for the incorporation of new evidence or data to update and refine prior beliefs or probabilities.

In Bayesian updating, the process begins with an initial prior probability, which represents the initial belief or knowledge about an event or hypothesis before any evidence is observed. As new evidence or data becomes available, it is used to update the prior probability and generate a posterior probability. The posterior probability represents the revised belief or probability after incorporating the new information.

Bayesian updating follows the principles of Bayes' theorem, which mathematically describes the relationship between prior probabilities, likelihoods, and posterior probabilities. It involves combining the prior probability with the likelihood of observing the data given the hypothesis and then normalizing the result to obtain the posterior probability.

The beauty of Bayesian updating is that it allows for a flexible and iterative process of continuously updating beliefs and probabilities as new information emerges. It provides a framework for incorporating both subjective prior beliefs and objective data to make more informed decisions and predictions. Bayesian updating has applications in various fields, including machine learning, decision-making, and scientific research.

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To evaluate \(8^{\frac{2}{3} }\) first find the square of 8 and then take the cube root.

The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.

Depending on the powers they possess, many rules of exponents are given.

Law of Multiplication: Exponents should be added while keeping the base constant when multiplying like bases.

Exponents should be multiplied while bases are kept constant when bases are raised by a power of two or more.

Division Rule: When dividing like bases, maintain the base constant and deduct the exponent of the denominator from the exponent of the numerator.

The given value can be written as:

\(8^{\frac{2}{3} } = \sqrt[3]{8^{2} }\)

Hence, to evaluate \(8^{\frac{2}{3} }\) first find the square of 8 and then take the cube root.

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The 90% confidence interval for the difference in population proportions of fans who actively disliked the champion in 2000 and 2010 is (-0.087, -0.013).

To compute the confidence interval, first calculate the sample proportions:

Then, calculate the standard error of the difference in sample proportions:

Using a t-distribution with degrees of freedom equal to the smaller of n1-1 and n2-1 (i.e. 1249), and a confidence level of 90%, the margin of error is:

Finally, the confidence interval for the difference in population proportions is given by:

This means we are 90% confident that the true difference in population proportions of fans who actively disliked the champion in 2000 and 2010 is between -0.087 and -0.013. Since the interval does not contain 0, we can conclude that there is strong evidence that the proportion of fans who actively disliked the champion in 2000 was higher than in 2010.

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Answer:

gcf is 3x. pls mark brainliest

Step-by-step explanation:

Answer:

Number #1

Step-by-step explanation:

#1 isn't a function

Answer:

Choice 3 is not a function.

Step-by-step explanation:

Reason: It has points (1,3) and (1,7). X cannot repeat otherwise it is not a function.

Hope this helps!

If not, I am sorry.

The range of the data for Shona and Miguel will be 35 and 30, while the median of the data will be 40 and 42.5.

A boxplot is a visual representation of a data set's dispersion and centers.

The interquartile range and the mean of the data set are two examples of spread measures. The mean, average, and median are examples of center measures.

The data set of the Miguel is;

25,30,35,40,45,50,55

The median of the data is;

\(\rm Median =( \frac{n+1}{2}) ^{th} term \\\\ Median =( \frac{7+1}{2} )^{th} term \\\\ Median = 4 ^{th} term \\\\ Median = 40\)

Shona's data is;

25,30,35,40,45,50,55,60

The median of Miguel's data is;

\(\rm Median_{shona} = \rm \frac{40+45}{2} \\\\ Median_{shona} =42.5\)

The range of Miguel's data is;

⇒ 55-25

⇒ 30

The range of Shona's data is;

⇒60-25

⇒35

Hence, the median of the data for Shona and Miguel will be 40 and 42.5 and the range of the data for Shona and Miguel will be 35 and 30.

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- 30 - 2³ × 3

= - 30 - 8 × 3

= - 30 - 24

= - 54

Follow the order of PEMDAS.

P =》Parenthesis

E =》Exponents

M =》Multiplication

D =》Division

A =》Addition

S =》Subtraction

____

Hope it helps ⚜

The probability that the coin lands on heads (3-√3)/6.

For the given question;

Let x represent the likelihood of flipping heads. As a result, the probability of tossing tails is (1-x).

The probability of tossing two heads and two tails is equivalent to the number of aspects to flip it multiplied by the product of a probabilities of each coin flip.

6x²(1 - x)² = 1/6

On solving,

x²(1 - x)² = 1/36

Taking square root both sides.

x(1 - x) = ±1/6

Because both x and (1-x) seem to be non negative for the preferred probability x, we only need to take into account the positive root.

x(1 - x) = 1/6

Re arranging.

6x² - 6x + 1 = 0

Find the roots of the quadratic equation using the quadratic formula as;

(3±√3)/6

Using the quadratic formula, the roots of the this equation are (3±√3)/6.

Thus, as the probability of heads becomes less than half, the answer is (3-√3)/6.

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Answer:

Option (3)

Step-by-step explanation:

w = \(\frac{\sqrt{2}}{2}[\text{cos}(225) + i\text{sin}(225)]\)

Since, cos(225) = cos(180 + 45)

                          = -cos(45) [Since, cos(180 + θ) = -cosθ]

                          = -\(\frac{\sqrt{2}}{2}\)

sin(225) = sin(180 + 45)

             = -sin(45)

             = -\(\frac{\sqrt{2}}{2}\)

Therefore, w = \(\frac{\sqrt{2}}{2}[-\frac{\sqrt{2}}{2}+i(-\frac{\sqrt{2}}{2})]\)

                      = \(-\frac{2}{4}(1+i)\)

                      = \(-\frac{1}{2}(1+i)\)

z = 1[cos(60) + i(sin(60)]

  = \([\frac{1}{2}+i(\frac{\sqrt{3}}{2})\)

  = \(\frac{1}{2}(1+i\sqrt{3})\)

Now (w + z) = \(-\frac{1}{2}(1+i)+\frac{1}{2}(1+i\sqrt{3})\)

                   = \(-\frac{1}{2}-\frac{i}{2}+\frac{1}{2}+i\frac{\sqrt{3}}{2}\)

                   = \(\frac{(i\sqrt{3}-i)}{2}\)

                   = \(\frac{(\sqrt{3}-1)i}{2}\)

Therefore, Option (3) will be the correct option.

(i) E(Y|X) = (β0 + α0) + (β1 + α1)X.

(ii) b1* may not be equal to β1 because b1* represents the estimated effect based on the given data, while β1 represents the true causal effect of X on Y.

(iii) The Y value of the individual with X = 5 and U = 2 cannot be determined without specific values for β0, α0, β1, and α1.

(iv) The effect of changing X from 5 to 6 while holding U fixed at 2 cannot be determined without specific values for β0, α0, β1, and α1.

In the given simple linear regression model, where Y is determined by X and an unobservable term U, the conditional expectation function E(Y|X) is expressed as E(Y|X) = (β0 + α0) + (β1 + α1)X. The values of α0 and α1 are constants, and α1 is assumed to be nonzero.

When minimizing the squared difference between Y and the estimated regression line, denoted as b0 + b1X, the value of b1* obtained may not be equal to the true coefficient β1. This is because b1* represents the estimated effect based on the available data, while β1 represents the true causal effect of X on Y.

The specific Y value for an individual with X = 5 and U = 2 cannot be determined without knowing the specific values of β0, α0, β1, and α1. Similarly, the effect on the Y value of the same individual when changing X from 5 to 6 while keeping U fixed at 2 cannot be determined without knowledge of the exact values of β0, α0, β1, and α1.

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Branson caught a total number + 32 fish in the last two weeks. we need to add the number of fish caught last week to the number caught this week.

The question gives us two pieces of information - the number of fish Branson caught last week (f), and the number of fish he caught this week (32). To find the total number of fish caught in the last two weeks, we simply need to add these two numbers together.

If we wanted to find the specific value of the total number of fish caught, we would need to know the value of f. However, the question does not provide us with this information, so we are unable to give a numerical answer. It is important to note that when solving a problem like this, it is crucial to carefully read and understand the question before attempting . In this case, the question asks for the total number of fish caught in the last two weeks.

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