The table shows the number of votes for different instruments. Select all of the reasons why a bar graph is an appropriate data display for the given data.
Instrument Drums Guitar Piano Saxophone
Number of
Votes
125
215 45
75

When a previous result is found to be an error and a corrected result is obtained, it is important to appropriately handle and document the old result. Here are some steps to consider:

1. Acknowledge the error: Clearly identify and acknowledge that the previous result was incorrect. It is important to be transparent and honest about the mistake.

2. Retract or correct the old result: Communicate the error and provide the corrected result. This can be done through formal channels, such as retracting a publication or notifying relevant parties about the correction. Make sure the corrected information reaches the appropriate audience.

3. Provide an explanation: Offer an explanation of why the error occurred. Was it a calculation mistake, data entry error, or any other factor that led to the incorrect result? Providing an explanation can help prevent similar errors in the future and maintain trust in the accuracy of your work.

4. Update relevant documentation: Update any reports, documents, or records that include the old result. Ensure that the corrected result is reflected in all relevant materials to avoid confusion and provide accurate information to others who may refer to those documents.

5. Learn from the mistake: Take the opportunity to learn from the error and implement measures to prevent similar mistakes in the future. This may include double-checking calculations, implementing quality control processes, or seeking feedback and review from colleagues.

By acknowledging the error, correcting the result, and taking steps to prevent similar mistakes in the future, you can maintain integrity and trust in your work.

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Answer:

x - 40 degree... I am sure

The difference of the expression is as follows:

(6y⁴ + 3y² - 7) - (12y⁴ - y² + 5) = - 6y⁴ + 4y² - 12

3(x - 5) - (2x + 4) = x - 19

The difference of the expression can be found when we combine the like terms.

Therefore,

(6y⁴ + 3y² - 7) - (12y⁴ - y² + 5)

6y⁴ + 3y² - 7  - 12y⁴ + y² - 5

6y⁴ - 12y⁴ + 3y² + y² - 7 - 5

- 6y⁴ + 4y² - 12

3(x - 5) - (2x + 4)

3x - 15 - 2x - 4

3x - 2x - 15 - 4

x - 19

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Separated Variable Equation: Example: Solve the separated variable equation: dy/dx = x/y To solve this equation, we can separate the variables by moving all the terms involving y to one side.

A mathematical function, whose values are given by a scalar potential or vector potential The electric potential, in the context of electrodynamics, is formally described by both a scalar electrostatic potential and a magnetic vector potential The class of functions known as harmonic functions, which are the topic of study in potential theory.

From this equation, we can see that 1/λ is an eigenvalue of A⁻¹ with the same eigenvector x Therefore, if λ is an eigenvalue of A with eigenvector x, then 1/λ is an eigenvalue of A⁻¹ with the same eigenvector x.

These examples illustrate the process of solving equations with separable variables by separating the variables and then integrating each side with respect to their respective variables.

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Fred Meyer's unit Rate: $2.17 per pound.

Costco's unit Rate: $2.10 per pound.

Better Price:​  Costco has the better price for cheddar cheese.

To determine who has the better price for cheddar cheese, let's calculate the unit rate for both Fred Meyer and Costco.

Fred Meyer:

Cheddar cheese is priced at $6.50 for 3 pounds. To find the unit rate, we divide the price by the quantity: $6.50 ÷ 3 pounds = $2.17 per pound.

Costco:

Costco offers 10 pounds of cheddar cheese for $21. To find the unit rate, we divide the price by the quantity: $21 ÷ 10 pounds = $2.10 per pound.

Comparing the unit rates, we can see that Fred Meyer's cheddar cheese is priced at $2.17 per pound, while Costco's cheddar cheese is priced at $2.10 per pound.

Therefore, based on the unit rates, Costco has the better price for cheddar cheese. They offer it at a slightly lower price per pound compared to Fred Meyer. Customers can save $0.07 per pound by purchasing cheddar cheese from Costco instead of Fred Meyer.

However, it's important to note that price isn't the only factor to consider when deciding where to purchase cheddar cheese. Other factors such as location, quality, convenience, and personal preferences should also be taken into account.

Additionally, it's always a good idea to compare prices and consider any ongoing promotions or discounts that might affect the final decision.

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Answer:

12√2.

Step-by-step explanation:

You can do this by the Pythagoras theorem:

20^2 = x^2 + (4sqrt7)^2    where  x is the distance required.

x^2 = 20^2 - (4sqrt7)^2

      = 400 - 112

      =  288

x  = √288

   =  √144 *√2

   =   12√2.

The most appropriate model to represent the data in the table is (d)

From the question, we have the following parameters that can be used in our computation:

The table of values

In the above table of values, we can see that

To show as the number of miles change by day

A linear or line graph has to be plotted

Hence, the most appropriate model to represent the data is (d)

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Answer:

1/8

Step-by-step explanation:

total probability = 1

total probability = probability of red + probability of green + probability of yellow

1 = 1/4 + 5/8 + yellow

we want to find a common denominator

in this case, we know 4 * 2 = 8, so we can multiply 1/4 by 2/2 = 1 to get

1/4 * 2/2 = 2/8

1 = 2/8 + 5/8 + yellow

1 = 7/8 + yellow

subtract 7/8 from both sides to isolate yellow

1 = 8/8

1 - 7/8 = 8/8 - 7/8 = 1/8 = yellow

Answer:

D - 2t+2/2s^3

Step-by-step explanation:

This is because twice the cube of s is 2s^3. A and C is already wrong.

the quote of a and b will be in this format: a/b

sum of 2t and 2 is 2t+2

therefore answer is 2t+2/2s^3

Answer:

8.1-00

Step-by-step explanation:

Enter 8 100 as a money amount and as a decimal in terms of dollars

Answer:

Step-by-step explanation:

Rewrite the function in the slope-intercept form:

The ordered pairs:

Correct set is A

{(3,0),(6,1),(9,2)}

because when you plug in the values you get

3-3=3(0) = 0=0

6-3=3(1) = 3=3

9-3=3(2) = 6=6

Answer:

35:28

Step-by-step explanation:

answer attached

hope this helps!

Answer:  \(\sqrt{26}\)

This is the same as writing sqrt(26) on a keyboard.

==============================================================

Explanation:

Start by focusing on the triangle on the right side. It has sides of 5 and 7, with some unknown hypotenuse. Use the pythagorean theorem to find the hypotenuse.

\(a^2+b^2 = c^2\\\\c = \sqrt{a^2+b^2}\\\\c = \sqrt{5^2+7^2}\\\\c = \sqrt{74}\\\\\)

That's the exact length of the hypotenuse of the triangle on the right, and it's also the height of the triangle on the left. We'll use the pythagorean theorem again to find x.

\(a^2+b^2 = c^2\\\\x^2+(\sqrt{74})^2 = 10^2\\\\x^2+74 = 100\\\\x^2 = 100-74\\\\x^2 = 26\\\\x = \sqrt{26}\\\\\)

Note that 26 = 2*13 doesn't have any perfect square factors, which means \(\sqrt{26}\) cannot be simplified further.

This can be done by finding the CPI or another price index for the same period. Once you have the GDP deflator, you can use the formula above to calculate the real GDP.

If you only know the nominal GDP, you cannot determine the real GDP. In order to determine the real GDP, you need to take into account inflation. This is done by adjusting the nominal GDP for inflation using a price index, such as the Consumer Price Index (CPI).The formula for calculating real GDP is:Real GDP = Nominal GDP / GDP DeflatorThe GDP deflator is a measure of inflation that takes into account changes in the prices of all goods and services produced in an economy. It is calculated by dividing nominal GDP by real GDP and multiplying by 100. This gives us a ratio of the current price level to the base year price level.

The base year price level is assigned a value of 100.Using this formula, we can see that if we know the nominal GDP and the GDP deflator, we can calculate the real GDP. For example, if the nominal GDP is $10 trillion and the GDP deflator is 120, the real GDP would be:Real GDP = $10 trillion / 1.2 = $8.33 trillionTherefore, in order to determine the real GDP if you only know the nominal GDP, you need to obtain the GDP deflator.

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The factor for the Expression 7\(z^4\)-5 + 10y³ + 20 is (y³ + 2)

A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression. In a mathematical expression, the following terms are used:

Given:

7\(z^4\)-5 + 10y³ + 20

Factorizing the expression

7\(z^4\)-5 +10(y³ + 2)

So, the factor in the expression is (y³ + 2).

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The p-value (0.0055) is less than the significance level. Therefore, there is sufficient evidence to conclude that there is a difference in price among the three websites.

To test for significant differences in the mean price of a one-way airline ticket for the three travel agency websites, we will use a one-way ANOVA test. The null hypothesis is that all the population means are equal, while the alternative hypothesis is that at least two of the population means are different.

Based on the table provided, we can calculate the sample means and variances for each website:

Website Sample Size Sample Mean Sample Variance

Expedia   4            126.80                  215.4228

TripAdvisor 4            142.25            235.1304

Priceline   4             151.10                175.7749

The total sample size is 12, and the total sum of squares (SST) is 10165.4075. We can calculate the sum of squares between groups (SSB) and the sum of squares within groups (SSW) as follows:

SSB = (4*((126.8-140.05)^2 + (142.25-140.05)^2 + (151.1-140.05)^2)) = 2613.62

SSW = (3*((215.4228+235.1304+175.7749)/2)) = 305.51

The degrees of freedom for the ANOVA test are dfB = k-1 = 2 and dfW = N-k = 9, where k is the number of groups (in this case, 3) and N is the total sample size. The F-statistic can be calculated as F = (SSB/dfB) / (SSW/dfW) = 9.19, which has an associated p-value of 0.0055.

Using a significance level of 0.05, since the p-value (0.0055) is less than the significance level, we reject the null hypothesis. Therefore, there is sufficient evidence to conclude that there is a difference in price among the three websites.

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The following functions are analytic:

1. f(z) = iz

2. f(z) = \(e^(^-^2^x^)(cos^2^y - isin^2^y^)\)

4. f(z) = \(e^x(cosy - isiny)\)

5. f(z) = \(Re(z^2) - iIm(z^2)\)

8. f(z) = \(i/z^8\)

11. f(z) = cos(x)cos(hy) - isin(x)sin(hy)

Analytic functions are those that can be expressed as power series expansions, meaning they have derivatives of all orders in their domain. In the given list of functions, we need to determine if each function satisfies this criterion.

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Answer:

i'm sorry if i'm wrong but I believe it's 57

Step-by-step explanation:

Answer:

47 degrees

Step-by-step explanation:

First let's find the measure of Angle CAB. We know that angles in a triangle add up to 180 so...

CAB+ACB+ABC=180

CAB+80+57=180

CAB+137=180

CAB=43

We also know that DAB is equivalent to 90 degrees as DAE and DAB are a linear pair which means they add up to 180 degrees. Since DAE is a right angle, DAB also has to be a right angle.

We can use DAB and CAB to find DAC:

DAC+CAB=DAB

DAC+43=90

DAC=47 degrees

The triangle is a right triangle.

To determine whether the triangle is a right triangle, we need to see if it satisfies the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the legs equals the square of the hypotenuse.

If the equation is true, then the triangle is a right triangle. If it is not, then the triangle is not a right triangle.In the given equation, we have:(9/10)^2 + (1 1/5)^2 = (1 1/2)^2

First, we need to convert the mixed number 1 1/5 to an improper fraction:1 1/5 = (5 × 1 + 1) / 5 = 6/5Now we can substitute all the values to get:(9/10)^2 + (6/5)^2 = (3/2)^2Simplifying each term,

we get:(81/100) + (36/25) = (9/4)Now, to add the fractions on the left-hand side, we need to find a common denominator.

The smallest common multiple of 100 and 25 is 500, so we can convert each fraction to have a denominator of 500:

(81/100) × (5/5) = 405/500(36/25) × (20/20) = 720/500Adding these together, we get:405/500 + 720/500 = 1125/500Simplifying this fraction, we get:1125/500 = 9/4

Finally, we can see that the left-hand side of the equation is equal to the right-hand side of the equation, which means that the triangle does satisfy the Pythagorean theorem.

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Step-by-step explanation:

Iodine test for starch

Method:

Place one spatula of the food sample on a dish or 1 cm3 if the sample is liquid.

Using a dropper, place a few drops of iodine solution onto the food.

Record any change in the colour of the solution.

Starch is detected using iodine solution. This turns blue-black in the presence of starch.

Answer:

2

General Formulas and Concepts:

Step-by-step explanation:

Step 1: Define expression

(2x - 2) - (2x - 4)

Step 2: Simplify

Answer:

d≈0.95cm

c= 3cm

Area=28.27cm2

Step-by-step explanation:

Answer:

d≈0.95cm   Circumference=3

Step-by-step explanation:

Gustavo's percent increase in points is 75%.

To calculate the percent increase, we need to find the difference between the new value and the original value, divide that difference by the original value, and then multiply by 100.

Gustavo's original score was 8000 points, and his new score is 14,000 points. The difference between the new score and the original score is 14,000 - 8000 = 6000 points.

To find the percent increase, we divide the difference by the original score: 6000 / 8000 = 0.75.

To express this as a percentage, we multiply by 100: 0.75 * 100 = 75%.

Therefore, Gustavo's percent increase in points is 75%. He has increased his points by 75% from 8000 to 14,000 points.

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The statement "Quadrilaterals A and B are both squares" does not provide enough information to determine whether A and B are scale copies of one another.

To determine if two quadrilaterals are scale copies of each other, we need to compare their corresponding sides and angles. If the corresponding sides of two quadrilaterals are proportional and their corresponding angles are congruent, then they are scale copies of each other.

In this case, since both A and B are squares, we know that all of their angles are right angles (90 degrees). However, we do not have any information about the lengths of their sides. Without knowing the lengths of the sides of A and B, we cannot determine if they are scale copies of each other.

Therefore, the statement cannot be determined as true or false based on the given information.

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Answer:

Step-by-step explanation:

3x = f

2x = e

x is how many batches you want to make.

Answer:

c

Step-by-step explanation:

If two number cubes are rolled, the odds in favor of getting two numbers less than 3 is 1 : 9.

Probability determines the odd that an event would happen. The odd the event occurs is 1 and the odd that the event does not occur is 0.

Odds in favor of getting two numbers less than 3 = (numbers less than 3 / total numbers) x (numbers less than 3 / total numbers)

2/6 x 2/6 = 1/9

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Answer:

(- 26) + (15)

Step-by-step explanation:

The conjecture proposed by German mathematician Lothar Collatz in 1937 is that for any natural number n, the end result will always be 1. The example provided by Linkletter (2019) goes as follows: “For example, let's use 10. It's even, so the rule says to divide by 2, taking us to 5.

You can perform calculations and logical comparisons in a table by using formulas. The Formula command is found on the Table Tools, Layout tab, in the Data group. A formula in Word automatically updates when you open the document that contains the formula.

The equation will be 2d = 14 and the number of days d she can feed pickles from the bag is 7 days.

Pickles eat 2 cups of hungry hound dog food each day.

brittany wants to know how many days she can feed pickles from a 14-cup bag of hungry hounds.

We need to find the number of days d she can feed pickles from the bag.

Number of days = d,

So, Every day, Pickles consumes 2 cups of Hungry Hound dog chow.

Pickles then consume cups of Hungry Hound dog chow every day for a few days.

Then,

2*d = 14

\(d=\frac{14}{2} = 7\)

Thus, the number of days d she can feed pickles from the bag is 7 days.

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Answer:

15.7

Step-by-step explanation:

C = 2πr

C = 2(3.14)(2.5)

C = 15.7