Four boards were given to Sam to build a triangular picture frame for a large painting.
32 feet
21 feet
8 feet
12 feet
Which of these boards could be used for his project?

Answer:

The mean increases by 1.4

According to the trend line equation y=42x+50, the store is predicted to make 92 more sales in December than in November.

Based on the trend line equation y=42x+50, the predicted increase in sales for December compared to November is 42 times the difference between the x-values (months) of December and November, plus a constant factor of 50.

The given trend line equation y=42x+50 represents a linear relationship between the x-values (representing months) and the y-values (representing sales). In this equation, the coefficient of x is 42, indicating that for each increase in the month, the sales are expected to increase by 42 units.

To predict the difference in sales between December and November, we need to find the difference in x-values between the two months, which is 1 (since December follows November). Multiplying this difference by the coefficient of x (42), we get 42 units.

In addition to the linear relationship, there is a constant term of 50 in the equation. This represents a fixed amount of sales that is added to the increase determined by the coefficient of x. Therefore, we add 50 units to the predicted increase of 42 units, resulting in a total predicted increase of 92 units for December compared to November.

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Answer:

A and D is the inverses of each other .

t

Answer:

1 notebook cost $2.27

Step-by-step explanation:

Multiply the unit cost of the pencils by how many pencils you have : ( 1.29*3 = 3.87)

Subtract this from the total cost ( 10.68 - 3.87 = 6.81)

Divide this by 3 since there are 3 notebooks

6.81 / 3 = $2.27

Answer:

2.27

Step-by-step explanation:

have a good day

Answer:

no solution

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

nope......cos she spent 35 mins on 20 pages. ...meaning for another 20 pages 35minns will be gone too and for the remaining 17 pages she will not use les than 28mins

Answer:

x>5

Step-by-step explanation:

The dotted line means it does not include 5, and the colored in area means that's what it includes. So I'm pretty sure it's what I wrote ^^ but if not it's x<5.

Hope this helps!

Can I be marked brainliest?

:)

It says that there was an error with my answer, but I don't know what, so I screenshotted what I typed and attached them as 4 images below:

Answer:

5/9 m^2

Step-by-step explanation:

the area of a rectangle is length * width

So the area = 5/6 m * 2/3 m = 10/18 m^2 = 5/9 m^2

The solution of the system of linear equations is (x, y) = (-1, -6).

What is elimination method ?

Elimination method is a technique used to solve a system of linear equations, which involves eliminating one of the variables by adding or subtracting the equations. The goal of the method is to obtain an equation in one variable by eliminating the other variable, and then solve that equation to find the value of the variable.

According to the question:
To solve the system of equations by elimination with multiplication, we need to multiply one or both equations by a constant so that one of the variables has the same coefficient (with opposite sign) in both equations. Then, we can add or subtract the equations to eliminate that variable and solve for the other variable. Here's how we can use this method to solve the system:

-4y - 17 = -7x (Equation 1)

-3x = 3y + 21 (Equation 2)

We can see that the coefficient of y in Equation 1 is -4, while the coefficient of y in Equation 2 is 3. To eliminate y, we can multiply Equation 1 by 3 and Equation 2 by 4, so that the coefficients of y become equal and opposite:

(-4y - 17) × 3 = -12y - 51 = -21x (Equation 1, multiplied by 3)

-3x × 4 = -12x = 12y + 84 (Equation 2, multiplied by 4)

Now, we can add the two equations to eliminate y:

(-12y - 51) + (-12x) = -21x + 12y + 84

Simplifying, we get:

-12x - 21x + 12y + (-12y) - 51 + 84 = 0

-33x + 33 = 0

Dividing both sides by -33, we get:

x = -1

Now, we can substitute x = -1 into either Equation 1 or Equation 2 and solve for y. Let's use Equation 1:

-4y - 17 = -7(-1)

-4y - 17 = 7

-4y = 24

y = -6

Therefore, the solution of the system of equations is (x, y) = (-1, -6).


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Answer:

a = 8

Step-by-step explanation:

a + 7 = 15

a + 7 - 7 = 15 - 7   Subtract 7 from both sides.

a = 8

Answer is

A = 8

Because 8 + 7 = 15

The other way to explain we need to subtract 7 ( 7 -7 = 0 and 15 - 7 = 8 ) both sides so after subtracting you will get  8

The probability that 5 messages are received in 1 hour is is 0.1755 ,the probability that 10 messages are received in 1.5 hours is 0.0858 and the probability that less than 2 messages are received in 1/2 hour is 0.2873

Let X shows the number of messages received per hour. The pdf of X is

\(P(X=x)=\) \(\frac{e^{-5}\cdot 5^{x}}{x!},x=0,1,2,3,....\)

Therefore, the probability that 5 messages are received in a single hour is

\(P(X=5)=\frac{e^{-5}\cdot 5^{5}}{5!}=0.1755\)

(b) Number of message received in 1 hour is 5 so number of message received in 1.5 hour is 7.5. So the probability that 10 messages are received in 1.5 hours is

\(P(X=10)=\frac{e^{-7.5}\cdot 7.5^{10}}{10!}=0.0858\)

(c) Number of message received in 1 hour is 5 so number of message received in 1/2 hour is 2.5. So the probability that less than 2 messages are received in 1/2 hour is

\(P(X < 2)=\frac{e^{-2.5}\cdot 2.5^{0}}{0!}+\frac{e^{-2.5}\cdot 2.5^{1}}{1!}=0.2873\)

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The solution to the given equation is m = 56

From the question,

We are to solve the equation 1/2m−5=23

To solve an equation,

We will determine the value of the variable. Here the variable is m

First and foremost, we will write the given equation properly

The equation is

\(\frac{1}{2}m -5 = 23\)

Now

To determine the value of m,

Multiply through by 2

That is

\(2\times \frac{1}{2}m -2\times 5 = 2\times 23\)

Then,

We get

\(m- 10 = 46\)

Now, add 10 to both sides

\(m-10+10 = 46+10\)

∴ m = 56

Hence, the solution to the given equation is m = 56

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In 7 years, there will be approximately 81 wolves in the national park.

Whole numbers are numbers that are not fractions, decimals, or negative numbers. They are the set of counting numbers, starting at 0 and going up to infinity. Whole numbers are also referred to as natural numbers, integers, and sometimes even just “numbers.” They are the simplest of all numerical values, and are often used when counting objects or items.

This is calculated by multiplying the current population of 60 wolves by the rate of 2. 7%, or 0. 027. The formula for this calculation is
y = yo e0. 027,
which can be rearranged to solve for y, the future population size.
This is equal to 60 x e0. 027, which, when rounded to the nearest whole number, is 81.

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Answer: Ok, i'm pretty smart but it seems you didn't write your question down... So, in the comments you can write your question and i will try to answer it.. hope this helps...

Stay safe and have a great weekend!!! :D

Answer: 3x-8= -2

Step-by-step explanation:3x=6  6-8= -2

Waffle charts are a great way for data visualization in relation to a whole and are useful in displaying data that is categorical or nominal in nature, and they can be used to show the distribution of data across different categories.

A waffle chart is a great way to visualize data in relation to a whole. It is a grid-like chart that resembles a waffle and is often used to represent percentages or proportions. Each small square in the chart represents a unit of measurement, and the entire chart represents the whole.

Waffle charts are useful in displaying data that is categorical or nominal in nature, and they can be used to show the distribution of data across different categories.

For example, a waffle chart can be used to show the distribution of political preferences in a sample of voters. Each small square in the chart would represent a voter, and the different colors used to fill the squares could represent different political parties. This would allow the viewer to quickly see which party had the highest proportion of support among the sample.

Overall, waffle charts are an effective way to visualize data in a clear and concise manner, allowing the viewer to quickly grasp the relationship of data to the whole.

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To calculate a three-month moving average for monthly forecasting, you need to follow these steps: Gather the historical data, Determine the time period, Calculate the moving average, Repeat the process.

Gather the historical data: Collect the monthly data for the specific variable you want to forecast. For example, if you want to forecast sales, gather the sales data for the past several months.

Determine the time period: Decide on the time period for your moving average. In this case, it is three months.

Calculate the moving average: Add up the values for the variable you are analyzing over the past three months and divide the sum by three to get the average. This will be your moving average value for the third month.

Repeat the process: Shift the time period by one month and calculate the moving average for the new three-month period. Continue this process for each subsequent month, updating the time period and calculating the moving average accordingly.

For example, let's say you have the following sales data for the past six months:

Month 1: 100 units

Month 2: 120 units

Month 3: 110 units

Month 4: 130 units

Month 5: 140 units

Month 6: 150 units

To calculate the three-month moving average for Month 4, you would add up the sales values for Month 2, Month 3, and Month 4 (120 + 110 + 130 = 360) and divide it by three to get an average of 120 units. Repeat this process for each subsequent month to obtain the moving average values for your forecast.

Note that the number of data points you include in the moving average calculation and the frequency of the data (monthly in this case) can be adjusted based on your specific needs and the nature of the data.

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Answer:

3m-8n

Step-by-step explanation:

Set up an equation:

(5m-3n)-(2m+5n) = ?

Solve:

   5m-3n

-  2m+5n

   3m-8n

Hope this helps!

Answer:

15 grams of each

Step-by-step explanation:

Answer:

\(f(x)=-(x+8)(x-2)\)

Step-by-step explanation:

Start by factoring out a -1...

\(f(x)=-(x^2+6x-16)\)

Now, we have to find two integers that multiply to get -16 and have a sum of 6:

(-2)*8=-16

-2+8=8-2=6

Using this, we can split 6x into -2x and 8x...

\(f(x)=-(x^2-2x+8x+16)\)

Factor  the first and second half separately...

\(f(x)=-[(x^2-2x)+(8x-16)]\\f(x)=-[x(x-2)+8(x-2)]\\\)

Since both x and 8 are being multiplied by x-2, we can combine them to get...

\(f(x)=-(x+8)(x-2)\)

Answer:

26.25 cm

Step-by-step explanation:

Take the width and multiply by the scale factor

15 * 7/4

105/4 cm

26.25 cm

Step-by-step explanation:

Generally the larger exponents go first

-2x^3 + 5x^2 -10

The scenario described above illustrates the Service Recovery Paradox, where a customer's satisfaction can actually increase after experiencing a service failure and receiving effective recovery efforts.

Dr. Amarkant Tripathi faced a delay and inconvenience with his suit order from B N Rao suits, but the store manager went above and beyond to rectify the situation, ultimately leading to Dr. Tripathi's increased satisfaction and loyalty.

The Service Recovery Paradox occurs when a customer's satisfaction and loyalty increase even after encountering a service failure. In the given context, Dr. Tripathi experienced a delay and fitting issue with his suit order. However, the store manager took prompt action to resolve the problem and ensure Dr. Tripathi's satisfaction.
Despite initial setbacks, the store manager exhibited proactive service recovery efforts. He communicated with Dr. Tripathi, apologized sincerely, and made efforts to rectify the situation promptly. The manager's willingness to listen, understand, and address the customer's concerns played a crucial role.
Furthermore, the store manager's personal involvement, contacting Dr. Tripathi's home, explaining the situation to his daughter, and arranging for the suit to be taken to the Domlur branch for repairs and express delivery showcased a high level of customer service and dedication to resolving the issue.
These service recovery efforts exceeded Dr. Tripathi's expectations and demonstrated B N Rao suits' commitment to customer satisfaction. As a result, when Dr. Tripathi received the suit, along with the apology note and additional handkerchiefs, he felt not only satisfied with the resolution but also impressed by the store's efforts to understand his needs and deliver a superior service experience.
The Service Recovery Paradox, in this case, highlights the importance of effective service recovery in building customer loyalty and turning a potentially negative experience into a positive one. B N Rao suits' commitment to resolving the issue and going the extra mile to deliver a satisfactory outcome ultimately strengthened the customer's trust and loyalty in the brand.

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Answer:

yellow to the max dont re port

Step-by-step explanation:

none dont

To calculate the mean, standard deviation, and variance for a binomial variable, we need the values of n and p.

The mean (or expected value) of a binomial variable is given by the formula mean = n * p. The standard deviation is calculated using the formula standard deviation = sqrt(n * p * (1 - p)), and the variance is equal to (n * p * (1 - p)). Now, let's calculate the mean, standard deviation, and variance for the given values of n and p:
Mean = n * p
Standard deviation = sqrt(n * p * (1 - p))
Variance = n * p * (1 - p)


Substitute the values of n and p into the formulas: Mean = n * p
Standard deviation = sqrt(n * p * (1 - p))
Variance = n * p * (1 - p)
Calculate the values:
Mean = n * p
Standard deviation = sqrt(n * p * (1 - p))
Variance = n * p * (1 - p) Remember to replace n and p with their respective values in each calculation.

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1) The correct option is B.) We cannot make any conclusions for the statement if a 90% confidence interval for the difference of means 1 – 2 contains all positive values, what can we conclude about the relationship between 1 and 2 at the 90% confidence level.

A confidence interval provides a range of plausible values for the population parameter (in this case, the difference of means). If the confidence interval contains all positive values, it suggests that the true difference of means could be positive.

However, it does not allow us to conclude that 1 is strictly greater than 2. The confidence interval gives us a range of plausible values, but it does not provide definitive information about the specific relationship between 1 and 2.

2) The correct option is A.) We can conclude that 1 < 2 for the statement if a 90% confidence interval for the difference of means 1 – 2 contains all negative values, what can we conclude about the relationship between 1 and 2 at the 90% confidence level.

If the 90% confidence interval for the difference of means 1 – 2 contains all negative values, it suggests that the true difference of means is likely to be negative.

Therefore, we can conclude, at the 90% confidence level, that 1 is statistically less than 2. However, we should note that this conclusion is based on the given confidence level and the assumption of the sampling method used to construct the confidence interval.

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