What is the difference 4.8 - (-8.7)?

Answer:

im in middle skool and i know this!

Step-by-step explanation:

Answer:

Answer is A

Step-by-step explanation:

it is a vecause i took a stest with thsi quetion and the answer was A

Answer:171x+8

Step-by-step explanation:

3x^3+12x^2x+8

=27x+144x+8

=171x+8

To find the surface area of the new rectangular prism after subtracting 8 from the length, we need to consider the effect on each face.

The original rectangular prism has six faces:

Top face: Area = l * w

Bottom face: Area = l * w

Front face: Area = l * h

Back face: Area = l * h

Left side face: Area = w * h

Right side face: Area = w * h

After subtracting 8 from the length, the new length becomes (l - 8). The other dimensions (width and height) remain unchanged.

The surface area of the new rectangular prism can be calculated as follows:

Top face: Area = (l - 8) * w

Bottom face: Area = (l - 8) * w

Front face: Area = (l - 8) * h

Back face: Area = (l - 8) * h

Left side face: Area = w * h

Right side face: Area = w * h

To find the total surface area, we add up the areas of all six faces:

Total Surface Area = 2 * (l - 8) * w + 2 * (l - 8) * h + w * h

So, the surface area of the new rectangular prism in terms of l, w, and h is given by the expression:

2 * (l - 8) * w + 2 * (l - 8) * h + w * h

To know more about prism visit-

brainly.com/question/9702103

#SPJ11

The translation of (4,-3) on the ordered pairs (-9,2), (0,-5) gives (13,-1) and (4,-8)

The ordered pairs are given as: (-9,2), (0,-5)

The translation of (4,-3) means:

(x,y) = (x+4, y -3)

So, we have:

(-9,2) => (9 + 4, 2 - 3) = (13, -1)

(0,-5) => (0 + 4, -5 - 3) = (4, -8)

Hence, the translation of (4,-3) on the ordered pairs (-9,2), (0,-5) gives (13,-1) and (4,-8)

Read more about translation at:

https://brainly.com/question/8959437

#SPJ1

Step-by-step explanation:

please mark as brainliest

Answer:

below

Step-by-step explanation:

base * height = area of a parallelogram

7/2 × 3/4

=21/8 feets

We must calculate the standard deviation of the differences between the values in the matched pairs in order to build a confidence interval using those values.

The 95% confidence interval is another frequently used measure of accuracy. In order to calculate it, a range of values that is 95% likely to contain the true population mean must be created using the standard deviation.

According to the 68-95-99.7 Rule, 95% of values are within two standard deviations of the mean, so to calculate the 95% confidence interval, one need only add and deduct two standard deviations from the mean.

Data dispersion in relation to the mean is quantified by a standard deviation, or σ. Data are said to be more closely clustered around the mean when the standard deviation is low and more dispersed when the standard deviation is high.

The difference between the values in the matched pairs' standard deviation is calculated.

The complete question is:

To construct a confidence interval using matched pairs, we must compute the standard deviation of the ___ between the values in the matched pairs.

To learn more about standard deviation refer to:

https://brainly.com/question/475676

#SPJ4

We must calculate the standard deviation of the differences between the values in the matched pairs in order to build a confidence interval using those values.

What is the difference between standard deviation and confidence interval?

The 95% confidence interval is another frequently used measure of accuracy. In order to calculate it, a range of values that is 95% likely to contain the true population mean must be created using the standard deviation.

According to the 68-95-99.7 Rule, 95% of values are within two standard deviations of the mean, so to calculate the 95% confidence interval, one need only add and deduct two standard deviations from the mean.

Data dispersion in relation to the mean is quantified by a standard deviation, or σ. Data are said to be more closely clustered around the mean when the standard deviation is low and more dispersed when the standard deviation is high.

The difference between the values in the matched pairs' standard deviation is calculated

To construct a confidence interval using matched pairs, we must compute the standard deviation of the ___ between the values in the matched pairs.

To learn more about standard deviation visit:

brainly.com/question/475676

#SPJ4

The calculated value of x in the sequence is 2

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

The sequence

The sequence is a geometric sequence with the following readings

First term, a = 108 * 2/3 = 72

Common ratio, r = 2/3

Sum = 520/3

The sum of n terms in a GP is

\(S = \frac{a(1 - r)^x}{1 - r}\)

So, we have

\(\frac{72(1 - 2/3^x)}{1 - 2/3} = \frac{520}{3}\)

When evaluated, we have

\(\frac{72(1 - 2/3^x)}{1/3} = \frac{520}{3}\)

So, we have

\(72(1 - 2/3^x) = \frac{520}{9}\)

Divide both sides by 72

\((1 - 2/3^x) = \frac{520}{9*72}\)

So, we have

\(2/3^x = \frac{452}{648}\)

Take the natural logarithm of both sides

x = ln(452/648)/ln(2/3)

Evaluate

x = 2

Hence, the value of x is 2

Read more about sequence at

https://brainly.com/question/30499691

#SPJ1

Answer:

what was your old answer?

Step-by-step explanation:

so I could solve this

Answer:

The value of n is n = 2.56 cm

Option D is correct option.

Step-by-step explanation:

Perimeter of hexagon = 14.7 cm

Five sides have length = n cm

One side has length = 1.9 cm

We need to find value of n

The formula used to find Perimeter of hexagon is : \(Perimeter = Sum\;of\:all\:sides\)

We can write:

\(Perimeter = Sum\;of\:all\:sides\\14.7=5n+1.9\\\)

Because 5 sides have length = n so, 5n and one side has length = 1.9

Now, solving to find n

\(14.7-1.9=5n\\5n=12.8\\n=\frac{12.8}{5}\\n=2.56\)

So, The value of n is n = 2.56 cm

Option D is correct option.

Step-by-step explanation:

ABC and CDE are similar triangles.

similar shapes means that both shapes have the same angles. and : that there is one scaling factor for all lines of one of the shapes to calculate the lengths of the lines of the other shape.

we see that all the other sides of ABC are scaled 2:1 to the corresponding sides of CDE. that means the sides of ABC are twice a long as the sides of CDE.

the same scaling factor has to apply to AB vs. DE.

therefore,

11x - 25 = 2(4x + 1) = 8x + 2

3x = 27

x = 9

DE = 4x + 1 = 4×9 + 1 = 36 + 1 = 37

Answer:

3x+1

Step-by-step explanation:

(2x+x+3+6x)/3

9x+3/3

3x+1

The final result is a simplified algebraic expression 3x + 1 that represents the average of 2x, x + 3, and 6x.

Expressions are defined as mathematical statements that have a minimum of two terms containing variables or numbers.

The average of 2x, x + 3, and 6x can be represented by the algebraic expression (2x + (x + 3) + 6x)/3.

This expression takes the sum of 2x, x + 3, and 6x, and then divides that sum by 3, which is the number of terms being averaged.

Alternatively, the average can be represented by (2x + x + 6x + 3) / 3 = (9x + 3) / 3 = 3x + 1.

In either case, the final result is a simplified algebraic expression that represents the average of 2x, x + 3, and 6x.

Learn more about Expressions here :

brainly.com/question/21751419

#SPJ2

Answer:

The graph of y = (2/(x+5)) - 3 is a transformation of the graph of y = 1/x, which has a vertical asymptote at x = 0 and passes through the point (1,1), by a horizontal shift of 5 units to the left, a vertical stretch of 2 units, and a downward shift of 3 units.

Step-by-step explanation:

The graph of y = (2/(x+5)) - 3 can be obtained by applying vertical and horizontal transformations to the graph of y = 1/x.

Specifically, we can describe the graph of y = 1/x as the parent function. It has a vertical asymptote at x = 0, a horizontal asymptote at y = 0, and it passes through the point (1,1).

The graph of y = (2/(x+5)) - 3 can be obtained by first shifting the graph of y = 1/x horizontally to the left by 5 units, then vertically stretching it by a factor of 2, and finally shifting it downward by 3 units.

This means that the vertical asymptote of y = 1/x at x = 0 is shifted to x = -5 for y = (2/(x+5)) - 3. The horizontal asymptote of y = 1/x at y = 0 remains the same for y = (2/(x+5)) - 3.

The point (1,1) on the graph of y = 1/x is shifted to (-4,-1) on the graph of y = (2/(x+5)) - 3.

Therefore, the graph of y = (2/(x+5)) - 3 is a transformation of the graph of y = 1/x, which has a vertical asymptote at x = 0 and passes through the point (1,1), by a horizontal shift of 5 units to the left, a vertical stretch of 2 units, and a downward shift of 3 units.

Visually, the graph of y = (2/(x+5)) - 3 will look like a reflected and vertically stretched version of the graph of y = 1/x, with a vertical asymptote at x = -5 and passing through the point (-4,-1).

Answer:

Step-by-step explanation:

If you mean 3x^3 - 42x^2 - 4x + 5 = 0 you can graph it manually or with technology

The roots are 14.09, 0.30 and -0.39 to nearest hundredth.

The Task objective chosen is: A Measuring Task

The Objective is: To investigate the fairness of a local athlete's track for runners starting on different lines.

To carry about the investigation, follow the steps given below.

Lastly, make a crossword puzzle that includes mathematical vocabulary in a clever manner.

Learn more about investigation from

https://brainly.com/question/28158885

#SPJ1

```Class IX```

*Mathematics Project work*

*Do any one*

1. *A Measuring Task*

To investigate your local athletes track to see whether it is worked fairly for runners who start on different lines.

2. *Design a crossword puzzle with mathematical terms*

To review mathematics vocabulary, to give the opportunity for creative expression in designing puzzles, to act as a means of motivating the study of a given unit and to given recreation .​

Answer:

10:30 hours

Step-by-step explanation:

Total distance=300 Miles, Start Time=07:15

Distance travelled so far is 125 miles for 2.5 hours

First we need to calculate Ayoub's speed as follows

Speed=Distance/Time

=125miles/2.5hour

=50 miles/hr

The calculate the remaining distance

=300-125

=175 Miles

Assuming that Ayoub Travels in the same speed at the first 300 miles, the time he will use to cover the remaining 175 miles is

Time=Distance/speed

Substituting the values

Time=175/50

=3.5 hours

The time he will arrive at Paris is

07:15+03:30

=10:30 hours

In case you need such assistance in your homework message Tutor David on irenedavid at g mail dot com

Question 2

First calculate the time taken to travel from woodpine to Westray

Time=Distance/ Speed

=32.5/65

=0.5 hours or 30 minutes

Next we calculate the average speed

Average speed is calculated by taking the total distance divided by total time taken

Total distance =32.5+100

=132.5KM

Total time=2+0.5

Average speed=132.5/2.5

=53km/

Answer:

45.56

Step-by-step explanation:

25 percent of $36.45 = $9.11

How Much is the tip on $36.45?

Selecting all students with last names beginning with the letter M would not produce a random sample of a school population of 1000 students. Hence the answer is no.

A random sample is obtained by selecting individuals from a population in a way that ensures every member of the population has an equal chance of being included in the sample.

By choosing only students with last names beginning with the letter M, you are introducing a bias and not providing an equal chance for all students to be selected.

To obtain a random sample of 1000 students from a school population, you would need to use a random selection method that ensures each student has an equal probability of being chosen.

This could be achieved through techniques such as random number generators, random sampling software, or random sampling techniques like stratified or cluster sampling.

Selecting all students with last names beginning with the letter M would not meet the requirements of a random sample, as it would not provide an equal chance for all students in the population to be included.

To know more about random sample refer here:

https://brainly.com/question/33334850#

#SPJ11

The min-max normalization formula, the normalized value for 4 is (4-1)/(7-1) = 0.5.

The min-max normalization formula is (x-min)/(max-min). To calculate the min-max normalized value for 4 we need to first calculate the min and max of the given datavalues. The min is 1 and the max is 7. Therefore, using the min-max normalization formula, the normalized value for 4 is (4-1)/(7-1) = 0.5. Min-max normalization is used to scale values in a dataset to a range between 0 and 1. Min-max normalization is a technique used to scale numeric values between 0 and 1. It is useful for data normalization, which helps to bring all the values within a given range. For example, if the data set contains values ranging from 0 to 10, min-max normalization can be used to scale the values between 0 and 1. The formula for min-max normalization is (x - min) / (max - min), where x is the value to be normalized, min is the minimum value in the data set, and max is the maximum value in the data set.This technique ensures that all values in a dataset are scaled to the same range. It is useful when comparing values from different datasets that have different scales.

Learn more about normalization formula here:

https://brainly.com/question/8357992

#SPJ4

Volume of a cone is equal to pi * r^2 * h/3.

In this case:

pi * 6^2 * 9/3

pi * 36 * 3

108pi

Answer: 339.3

Answer: 339.292006588 or V ≈ 339.29

Step-by-step explanation:  Here is the formula that you need...

V = π \(r^{2}\) \(\frac{h}{3}\)

1. Multiply π (pi or approximately 3.14) by  \(6^{2}\) (36).

2. Multiply your answer from the last step which is 113.097335529 by \(\frac{9}{3}\) or 3.

3. Final Answer should be 339.29 for the nearest tenth.

V = π \(6^{2}\) \(\frac{9}{3}\) which gives you...

V = 339.29

I hope this helped you!!

Answer:

3

Step-by-step explanation:

Answer:

Step-by-step explanation:

you hav to times it

The modeling process begins with the framing of a conceptual model that shows the relationships between the various parts of the problem being modeled. This model helps to identify the mathematical correlations between variables and provides a foundation for developing a more detailed and accurate mathematical model.

The modeling process begins with the framing of a mathematical model that shows the relationships between the various parts of the problem being modeled. This model is often based on data analysis and utilizes statistical techniques to establish correlations between the different variables in the problem. Ultimately, the goal of the modeling process is to create a predictive tool that can be used to make informed decisions about the problem at hand.

Process models involve graphically representing processes or functions that capture, manage, store, and distribute information between the system and its environment and physical objects. One type of process model is the flowchart (DFD). A data flow is a diagram that shows the movement of data between external sources and processes and the data stored in the system. While several different tools have been developed for modeling, we focus only on data streams as they are effective tools for modeling. While not all organizations use all analytical methods, including these methods such as data flow, they have a significant impact on the development process.

Learn more about correlations:

brainly.com/question/28898177

#SPJ11

Only (2,0) is a solution to the inequality 3x-2y>5

The following points are evaluated with regards to the given inequality 3x-2y>5:

[2,0]: 3x-2y = 3 * 2 - 2 * 0 = 6 > 5, so (2,0) is a solution.

[3,2]: 3x-2y = 3 * 3 - 2 * 2 = 3 > 5, so (3,2) is not a solution.

[2,6]: 3x-2y = 3 * 2 - 2 * 6 = -6 < 5, so (2,6) is not a solution.

So, only (2,0) is a solution to the inequality 3x-2y>5

learn more about inequality: https://brainly.com/question/24372553

#SPJ1

Relation of 12 inch candle height h with time t hours is :

h = 12 - 0.5t

Also, for 18 inch candle :

h = 18 - 2t

Let, after x hours height is same.

So,

\(12-0.5x = 18 - 2x\\\\1.5x = 6\\\\x=4\ hours\)

So, after 4 hours height of the candles will be same.

Hence, this is the required solution.

Answer: w= -10

Step-by-step explanation: move all terms not containing w to the right side of the equation

Answer:

5t-4n+2

Step-by-step explanation:

n-5n=-4n

5t-4n+2

Answer:

hello  : here is an solution

Step-by-step explanation:

The numbers that Oliver named are 59 in total.

If he named 1 number, the last number that he called would be 15

If he named 2 numbers, still the last number that he called would be 15 + 6 = 21

If he named 3 numbers, the last number that he called would be 15 + 6 + 6 = 27

If he named 4 numbers, the last number that he called would be 15 + 6 + 6 + 6  which is  15 + 6(4 - 1)

So, if he named n numbers, the last number that he named would be  15 + 6(n - 1)

According to the data given in the question, the last number he called was 363.

So, we can say,

363  =  15 + 6(n - 1), Subtract  15 on both sides.

348  =  6(n - 1), Divide both sides with 6.

58  =  n - 1, now, Add  1  to both sides,

we get.,

59  =  n

Hence, Oliver has named 59 numbers.

Learn more about Arithmetic progression:

https://brainly.com/question/24191546

#SPJ4

Answer:

59

Step-by-step explanation:

If we subtract 9 from each number Oliver named, we get the new list6, 12, 18, 24, ..., 354,which consists of the multiples of 6 from 1 ∙ 6 through 59 ∙ 6. There are clearly 59 of these, so Oliver named 59 numbers (namely: 1 ∙ 6 + 9, 2 ∙ 6 + 9, 3 ∙ 6 + 9, and so on through 59 ∙ 6 + 9).

The value of the test statistic for the one-sample t-test, given a sample size of 16, sample mean of 5.7, sample standard deviation of 1.3, and a testing mean of 6.1, can be calculated using the formula for the t-test statistic.

To calculate the test statistic for a one-sample t-test, we use the formula:

t = (sample mean - testing mean) / (sample standard deviation / √sample size)

Plugging in the given values:

t = (5.7 - 6.1) / (1.3 / √16)

Simplifying the equation:

t = (-0.4) / (1.3 / 4)

t = (-0.4) / (0.325)

t = -1.23

Therefore, the value of the test statistic for the given scenario is -1.23. The test statistic represents the number of standard errors the sample mean is away from the testing mean, and it is used to assess the likelihood of obtaining the observed sample mean under the null hypothesis. In this case, a negative test statistic indicates that the sample mean is lower than the testing mean.

Learn more about standard deviation here:

https://brainly.com/question/13498201

#SPJ11