Mathematics Middle School

100 POINTS MATHAMATICS PLEASE ANSWER ASAP
look in image and answer ALL 4 PROBLEMS

100 POINTS MATHAMATICS PLEASE ANSWER ASAPlook In Image And Answer ALL 4 PROBLEMS

Answers

Answer 1
1. The longest pencil is 8 inches and the shortest pencil is 2 inches. Therefore, the difference between the length of the longest pencil and the shortest pencil is 8 - 2 = 6 inches.

2. Pencils measuring less than 5 inches: 3 + 2 + 3 = 8 inches in total.

3. False. To determine if more than half of the pencils are 6 inches or shorter, we need to find the total number of pencils and calculate how many of them are 6 inches or shorter.

Total number of pencils = 4 + 3 + 2 + 3 + 7 + 8 = 27

Number of pencils that are 6 inches or shorter = 4 + 3 + 2 + 3 = 12

To find out if more than half of the pencils are 6 inches or shorter, we need to divide the number of pencils that are 6 inches or shorter by the total number of pencils and multiply by 100%:

12/27 x 100% = 44.44%

Since 44.44% is less than 50%, the statement is false.

4. There are three pencils that measure more than 5.5 inches but less than 7.5 inches: 6, 6, and 7. Therefore, the answer is 3 pencils.

(Make sure you look over this and if you have any questions about this comment before you submit make sure this seems right to you and if you understand this or not)
Answer 2
1. Would be the number 6
2. Would be the number 8
3. Would be false
4. Would be the number 3

Related Questions

I need help i literally don't understand any of these questions

Answers

Answer: It is below with explanations on how to do it! :D

Step-by-step explanation:

1. First one shows a graph and a line. Remember, the equation for this is y = mx + b. The point that crosses the y-axis is 0. So far, the equation looks like this: y = mx + 0. In order to find the slope, we have to choose another point on the graph. I will choose the point (-4, -2). The slope is the direction of the line travelling from left to right. So to get from (-4, -2) to the point 0, aka origin, we have to go up 2 units and move 4 units to the right. This method is called rise over run. Now the slope is 2 over 4 -> 2/4.

Final answer is y = 2/4x + 0

Simplified version is y = 1/2x + 0

That is your equation in slope intercept form!

2. The second one shows a graph and is asking to write an equation in slope-intercept form. Here is the equation for that -> y = mx+b

M is the slope, and b is the y-intercept (where the point crosses the line on the y-axis).

So, in this case, M=4 and b=0

Plug it into the equation, y = 4x + 0

The graph is attached below (I did not draw it but I took a screenshot from a video that shows it)

I also attached the graph for you for the last question!

I hope this helps you :)

PLEASE HELP QUICKLY!!! NO GUESSING OR LINKS OTHERWISE YOU WILL BE REPORTED!!! IF THE ANSWER IS ANSWERED CORRECTLY I WILL GIVE BRAINLIEST. TvT

Answers

Answer:

Angle 1 and 2 = 180 which is a straight line angle

3 and 4 also = 180

1angle + 2angle + 3angle + 4angle = 360 degrees

Step-by-step explanation:

What is the mean of this data set?

30, 42, 47, 31, 38, 46

Answers

Answer:

The mean is 39

Step-by-step explanation:

Add together all the numbers and then divide them by how many numbers there are.

If you have any questions please ask me! :)

The mean of this data set is 39

The mean, or average, of a data set is calculated by adding all the numbers in the set together and then dividing by the count of numbers in the set. This provides a central value that represents the set of data.

Let's calculate the mean of your data set: 30, 42, 47, 31, 38, 46.

First, we add the numbers together:

30 + 42 + 47 + 31 + 38 + 46 = 234

There are six numbers in the data set, so we divide the sum by six to find the mean:

234 ÷ 6 = 39

So, the mean of this data set is 39. This tells us that if we were to distribute the values equally among the six data points, each point would have a value of 39. This is often used as a way to describe the central tendency or 'typical' value of a set of data. Always remember that the mean can be influenced by extreme values, known as outliers, which might not truly reflect the central tendency of the data. In this data set, however, all values are reasonably close together, so the mean is a good representation of the data.

For more details of mean :

https://brainly.com/question/22871228

#SPJ2

Please help!
Your mother has a new cell phone. It comes with 18 applications already installed. She uses only those applications. She downloaded an additional 12 applications that she uses regularly. Write an equation to represent the total number of applications your mom uses. Explain your equation and your reasoning. (4 points)

c) How many applications will your mother actually use on her new cell phone? Solve the equation you wrote in part b to find the unknown variable.

Answers

Answer: x = 18 + 12

Step-by-step explanation:

Using the variable (x), you are able to give a number to any equation. By adding the 2 together, you end up with what (x) is going to be. Now solve for (x).

x = 18 + 12

x = 30

Answer is X=18+12
X=30

The dot plots below show the scores for a group of students for two rounds of a quiz:

Which of the following inferences can be made using the dot plots? (5 points)

a
The range of round 2 is greater than the round 1 range.

b
Round 2 scores are higher than round 1 scores.

c
Round 1 scores are lower than round 2 scores.

d
There is no overlap between the data.

Answers

Answer:

Step-by-step explanation:

answer is b

PLS HELP 20 POINTS
What is the interquartile range of this data?
Enter your answer in the box. (Picture shown)

Answers

15 …………..………………i had the same question
15 i learned it from 4th grade if u meed help ask a teacher in school or get a tutor mine helped :)

HELP DUE TOMORROW

SOS

Answers

13. B 14. A, good luck!

Page One (Question 15):

1. 16-4=12 The difference is 4, more than 3

2. 12-0=12 The difference is 0

2. 13-1=12 The difference is 1

2. 14-2=12 The difference is 2

2. 15-3=12 The difference is 3

Page Two (Question 13 and 14):

1. Sorry, I forgot...

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