Michelle walks some dogs every afternoon. She walked the same number of dogs each day except friday, when she walked 3 dogs. if she walked a total of 15 dogs this week, how many dogs did she walk on each of the other 6 days.
Write and solve an equation to answer the question, and then identify the statement that is not true.

A. X represents the number of dogs walked each day except friday
B. The solution is x=3
C. The equation is 6x + 3=15
D. The first step in solving the equation is to subtract 3 from both sides of the equation

Based on the provided question, it seems like you are asking about the most efficient evaluation method, either by hand or using a computer. To determine which method is the most suitable, you need to consider the complexity of the evaluation process and the number of alternatives.

Using a computer is generally faster and more accurate when dealing with large datasets or complex calculations. On the other hand, evaluating by hand may be more suitable for smaller datasets or simpler calculations. It can provide a more hands-on approach, allowing for a deeper understanding of the evaluation process. However, this method is generally more time-consuming and prone to human error.

To select the most appropriate evaluation method, consider the complexity of the task and the available resources. If the evaluation involves a large amount of data or complex calculations, using a computer would likely be the most efficient choice. However, if the task is relatively simple or involves a smaller dataset, evaluating by hand may suffice. In conclusion, the choice between evaluating by hand or using a computer depends on the complexity of the task and the available resources. Consider these factors to determine the most suitable method.

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True, free bilirubin is transported by the blood to the liver.

Macrophages begin the disposal of hemoglobin by separating the heme from the globin. They hydrolyze the globin into free amino acids, which can be used for energy-releasing catabolism or recycled for protein synthesis.

Bilirubin

Bilirubin is a red-orange compound that occurs in the normal catabolic pathway that breaks down heme in vertebrates. This catabolism is a necessary process in the body's clearance of waste products that arise from the destruction of aged or abnormal red blood cells.

Hemoglobin

Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs.

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Answer:

6-inch board is cut into two pieces. One piece is two times the length of the other. Find the length

of the shorter pi

a) The universal set is the set that contains all possible elements under consideration. In this case, we need to determine the universal set based on the given sets M, R, and N.

Universal Set: All possible elements that can be considered based on the given sets.

The elements in the universal set would be all natural numbers less than 9, since N represents the set of natural numbers less than 9.

Universal Set: {x | x is a natural number, x < 9}

b) Now, let's find the set [M ∩ (N - R)] × N.

N - R: Set difference between sets N and R, which includes elements in N that are not in R.

N - R = {x | x is a natural number, x < 9, x ∉ R}

N - R = {1, 2, 3, 5, 8}

M ∩ (N - R): Intersection of sets M and (N - R), which includes elements common to both sets.

M ∩ (N - R) = {x | x ∈ M and x ∈ (N - R)}

M ∩ (N - R) = {2, 3}

Now, let's find the set [M ∩ (N - R)] × N by taking the Cartesian product of (M ∩ (N - R)) and N.

[M ∩ (N - R)] × N = {(2, n), (3, n) | n ∈ N}

[M ∩ (N - R)] × N = {(2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6), (2, 7), (2, 8), (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6), (3, 7), (3, 8)}

Therefore, [M ∩ (N - R)] × N = {(2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6), (2, 7), (2, 8), (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6), (3, 7), (3, 8)}.

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The parametric equations for the line in \(R^3\) passing through the points (-1, 0, 3) and (3, -2, 3) are x = -1 + 4t, y = -2t, z = 3. Alternatively, the line can be expressed as the set of solutions for the pair of linear equations 4x + 2y - 8 = 0 and 0 = 0.

(a) To find the parametric equations for the line in \(R^3\), we can use the point-slope form. Let's call the two given points P1 and P2. The direction vector of the line is given by the difference between these two points:

P1 = (-1, 0, 3)

P2 = (3, -2, 3)

Direction vector = P2 - P1 = (3, -2, 3) - (-1, 0, 3) = (4, -2, 0)

Now, we can write the parametric equations for the line using a parameter t:

x = -1 + 4t

y = 0 - 2t

z = 3 + 0t

(b) To express the line as the set of solutions of a pair of linear equations, we can use the point-normal form of the equation of a plane. Taking one of the given points, let's say P1 = (-1, 0, 3), as a point on the line, and the direction vector we found earlier, (4, -2, 0), as the normal vector of the plane, we can write the equations:

4(x - (-1)) + (-2)(y - 0) + 0(z - 3) = 0

Simplifying, we get:

4x + 2y - 8 = 0

This is the first linear equation. For the second linear equation, we can choose any other point on the line, such as P2 = (3, -2, 3). Plugging in the values into the equation, we get:

4(3) + 2(-2) - 8 = 0

Simplifying, we get:

12 - 4 - 8 = 0

Which gives:

0 = 0

Therefore, the set of solutions for the line can be expressed by the pair of linear equations:

4x + 2y - 8 = 0

0 = 0

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Answer:complete questions

Step-by-step explanation:

Answer:

Joe is going with a speed of 7200

cm per minute. Bob is going with a speed of 8000

cm per minute. The distance between them change with 800

cm per minute. The distance will become 9000

cm in 10 minutes

Answer:

7200 8000 800 and 9000

Step-by-step explanation:

L

Answer:

x = 4

Step-by-step explanation:

\(5^{9x} =25^{4x+2}\)

First you need to get a common base as your number.

\(5^{9x} =5^{2(4x+2)}\)

The second number changed because 5 squared is 25. Changing it to this form gives us the same base number of 5. Now we use the distributive property in the exponent.

\(5^{9x} =5^{8x+4}\)

Now we can use this statement:

\(A^{m} =A^{n}\) if \(m=n\)

Using this we solve:

9x = 8x+4

-8x  -8x

x = 4

Hope it helps!

The answers to the question are as follows-a) the probability that the first question she gets right is the third question is (1/4)^3 * (3/4)^2.b) probability of getting exactly 3 or exactly 4 questions right is 0.322.c)The probability of her getting 3 or 4 questions right =0.322.d)The probability that 3 students or more get the majority of the questions right is 0.633.e)The probability that 20 or more students get most of the questions right is 0.978.

a) The probability that Robin gets the third question right and the first two wrong is (1/4)^3 * (3/4)^2. Since the questions are independent, this probability is the same for any order of questions, so the probability that the first question she gets right is the third question is (1/4)^3 * (3/4)^2.

b) To get exactly 3 questions right, Robin can choose which 3 questions she gets right in 5 to choose 3 = 10 ways, and for each way, the probability that she gets those 3 questions right and the other 2 wrong is (1/4)^3 * (3/4)^2 * 5. To get exactly 4 questions right, Robin can choose which question she gets wrong in 5 ways, and for each way the probability that she gets the other 4 questions right and that one wrong is (1/4)^4 * (3/4) * 5. So the total probability of getting exactly 3 or exactly 4 questions right is 10 * (1/4)^3 * (3/4)^2 * 5 + 5 * (1/4)^4 * (3/4) ≈ 0.322.

c) Robin gets the majority of the questions right if she gets 3 or 4 questions right. We calculated the probability of that in part b), which is ≈ 0.322.

d) To answer this question using normal approximation, we need to find the mean and variance of the number of students who get the majority of the questions right by guessing. Let X be the number of students who get the majority of the questions right, then X follows a binomial distribution with parameters n = 10 and p ≈ 0.322. The mean of X is np ≈ 3.22, and the variance of X is np(1-p) ≈ 2.19. To use normal approximation, we need to assume that X follows a normal distribution with the same mean and variance. The probability that 3 students or more get the majority of the questions right is P(X ≥ 3) = 1 - P(X < 3) ≈ 1 - P((X - 3.22)/sqrt(2.19) < (3 - 3.22)/sqrt(2.19)) ≈ 1 - P(Z < -0.34) ≈ 0.633, where Z is a standard normal random variable. The approximation is quite good since np(1-p) > 10.

e) Now we have n = 100 and p ≈ 0.322, and we want to find the probability that 20 or more students get the majority of the questions right. The mean of X is np ≈ 32.2, and the variance of X is np(1-p) ≈ 21.9. To use normal approximation, we need to assume that X follows a normal distribution with the same mean and variance. The probability that 20 or more students get the majority of the questions right is P(X ≥ 20) = 1 - P(X < 20) ≈ 1 - P((X - 32.2)/sqrt(21.9) < (20 - 32.2)/sqrt(21.9)) ≈ 1 - P(Z < -2.02) ≈ 0.978, where Z is a standard normal random variable. The approximation is quite good since np(1-p) > 10.

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Answer:

The slope is the change in y over the change in x.

Look at the g(x) and the x.  \(\frac{2 - (-4) }{0 - (-12)}\) = \(\frac{6}{12}\) = \(\frac{1}{2}\).  The slope is 1/2

The y intercept is when x is zero.  So the point (0,2) is the intercept.  We say that the y intercept is 2.  That is where the line will cross the y axis.

Step-by-step explanation:

The first scenario described is an example of a retrospective cohort study.  The second scenario suggests a retrospective cohort study as well. The third scenario represents a cross-sectional study, where researchers conduct a survey among high school students to assess the prevalence of obesity and diabetes.

1. In the first scenario, a retrospective cohort study is conducted by tracking individuals over a 20-year period. The study begins in 1960 and collects data on cigar smoking practices. After 20 years, the participants are followed up to determine if they developed any cancers. This type of study design allows researchers to examine the long-term effects of smoking Cuban cigars.

2. The second scenario involves a retrospective cohort study as well. The objective is to study the long-term neurological effects of a discontinued anesthetic agent. The researchers identify patients who received the drug before it was discontinued and then assess the occurrence of subsequent neurological disorders. This study design allows for the examination of the relationship between exposure to the anesthetic agent and the development of neurological disorders.

3. The third scenario represents a cross-sectional study. Researchers aim to assess the prevalence of obesity and diabetes among high school students during their junior year. They conduct a survey to gather information on the students' current weight, diabetes status, and other relevant factors. A cross-sectional study provides a snapshot of the population at a specific point in time, allowing researchers to examine the prevalence of certain conditions or characteristics.

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A. The fixed effects regression model: The slope coefficients are allowed to differ across entities, but the intercept is "fixed" (remains unchanged).

B. In a log-log model, may include logs of the binary variables, which control for the fixed effects. C. The fixed effects regression model does not specifically address heteroskedasticity, so it does not "fix" or address the effect of heteroskedasticity. D. The fixed effects regression model includes n different intercepts, one for each entity or observation in the dataset.

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Answer:

Vicky was 21 seconds faster the second time!

Step-by-step explanation:

Have a great day :D

Answer:

21

Step-by-step explanation:

74-53=

70-50=20

4-3=1

20+1=21

Answer:

42000

Step-by-step explanation:

Original price (before VAT) is 100% of price.

VAT is 13%, of the original price so final price is 113% of original price.

113% = 1.13

original price = 47460/1.13 = 42000

Answer:

8,537

Step-by-step explanation:

-6*5 =-30
6/3 = 2
if you add all of that together and subtract -8 (which is in the problem) you'll get 8,537

Just follow the steps in PEMDAS

Answer:

8537

Step-by-step explanation:

We have to solve this according to the BODMAS theorem.

B ⇒ Brackets

O ⇒ order

D ⇒ Division

M ⇒ Multiplication

A ⇒ Addition

S ⇒ Subtraction

Let us solve it now.

10 + 9 + 10 - 8 + 100 + 8436 + 8 - 6 * 5 + 6 ÷ 3

10 + 9 + 10 - 8 + 100 + 8436 + 8 - 6 * 5 + 2

10 + 9 + 10 - 8 + 100 + 8436 + 8 - 30 + 2

19 + 10 - 8 + 100 + 8436 + 8 - 30 + 2

29 - 8 + 100 + 8436 + 8 - 30 + 2

21 + 100 + 8436 + 8 - 30 + 2

121 + 8436 + 8 - 30 + 2

8557  + 8 - 30 + 2

8565 - 30 + 2

8535 + 2

8537

The transformation of the graph of f to obtain g is described as follows:

The graph of g is a vertical compression of the graph of f by a factor of 6 units.

The object must be dropped at a height of 1.66 feet from the moon so it hits the ground at the same time as on Earth,

The functions in the context of this problem are given as follows:

The multiplier that was applied to function f(t) to obtain function g(t) is given as follows:

-16x = -8/3

16x = 8/3.

x = 8/48

x = 1/6.

The leading coefficient was divided by 6, meaning that the graph of g is a vertical compression of the graph of f by a factor of 6 units.

The object hits the ground when the output of the quadratic function assumes a value of zero.

For the Earth, we have that the time to hit the ground is obtained as follows:

-16t² + 10 = 0

16t² = 10

t² = 5/8

\(t = \sqrt{\frac{5}{8}}\)

t = 0.79 seconds.

For the Moon, the function is given as follows:

g(t) = -8/3t² + h.

In which h is the initial height.

We want that g(t) = 0 when t = 0.79, hence the initial height is obtained as follows:

0 = -8/3(0.79)² + h

h = 8/3(0.79)²

h = 1.66 feet.

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Answer:

true

to find missing side u need to use Pythagoras theorem

hope it helps

Answer:

To find the area of a parallelogram, you need to multiply the base of the parallelogram by its height. The formula is:

Area = base × height

Answer:

A = base × height

Step-by-step explanation:

Parallelogram, which is a shape containing 2 pairs of equal sides.

The test statistic for the student who scored 79.6 points on the exam is 1.38

The relationship between a value and the mean of a group of values is quantified by a Z-score. The Z-score is calculated using standard deviations from the mean. A Z-score of zero means the data point's score is equal to the mean score.

Formula for z-score = x - u / σ

According to the question,

Sample size = 20 grades

Mean of sample = 74.8

Sample Standard deviation = 15.5

We have to calculate z-score for the student who scored 79.6 points on the exam.

But here if we see , sample size is less than 30 and population standard deviation is unknown.

So, we can't use Z-score .

t-statistics = x - u / (s/√n)

=> 79.6 - 74.8 / ( 15.5 / √20)

=> 4.8√20 / 15.5

=> 1.38 is required answer

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Based on the transformed function of y = sin(x) and the given parameters, the value that is closest to the amplitude of the transformed function is 54

The amplitude of the function is calculated

Amplitude = Highest  - Lowest

From the graph, we have the following points

Highest = 84

Lowest = 30

Substitute the known values in the above equation

Amplitude = 84 - 30

Evaluate the difference

Amplitude = 54

Based on the transformed function of y = sin(x) and the given parameters, the value that is closest to the amplitude of the transformed function is 54

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The requried to calculate an F ratio, we need to perform an analysis of variance (ANOVA) test.

To calculate an F ratio, we need to perform an analysis of variance (ANOVA) test. The F ratio is the ratio of two variances, and it is calculated by dividing the mean square of the between-group variability by the mean square of the within-group variability.

The formula for the F ratio is:

F = MSB / MSW

Where MSB is the mean square of the between-group variability and MSW is the mean square of the within-group variability.

The F ratio is used to test the null hypothesis that the means of the groups are equal. If the F ratio is greater than the critical value for a given level of significance (based on the degrees of freedom), we reject the null hypothesis and conclude that at least one group's mean is different from the others.

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The equivalent expression for the derivative of f(g(x)) with respect to x is (f'(g(x))) (g'(x)), according to the chain rule.

Given that g(x) = 2ln(x+1) and f(x) is a differentiable function, we want to find the derivative of f(g(x)) with respect to x. We can use the chain rule to determine an equivalent expression for this derivative.

According to the chain rule, if we have a composite function y = f(g(x)), then the derivative of y with respect to x is given by the product of the derivative of f with respect to its argument multiplied by the derivative of g with respect to x.

In this case, g(x) is the inner function and f(u) is the outer function. Applying the chain rule, we have:

d/dx [f(g(x))] = f'(g(x))  g'(x)

Here, f'(u) represents the derivative of f with respect to its argument, and g'(x) represents the derivative of g with respect to x.

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Answer:

(3e+7) - (2/5)x

Step-by-step explanation:

Instead of the - 2/5x we can remove the - from it and convert the addition problem into a subtraction problem and they will be equivalent.

Answer:

tanA=BC/AC

BC=20

AC=48

so,BC/AC=20/48=5/12

Answer:

Surface area of sphere = 4πr²

r = radius

radius = diameter /2

= 12/2

= 6units

Surface area = 4π×6²

= 144π

= 452.4 square units

Hope this helps.