Answers
Answer:
D. Dilation, congruent
Step-by-step explanation:
Dilation is the term used for the increase or decrease in the area of a figure
Answer:
D. Dilation, similar
Step-by-step explanation:
Dilation is making the object larger or smaller.
Rotation is turning the object around a point.
Reflection is reflecting it over a line
Translation is moving the object.
Only dilation is making the object larger. Our answer is D. Dilation, similar because the object is not congruent but similar.
Related Questions
Help!
Farmer Doug has some pigs and chickens.
One day he counted 24 legs 7 heads in the barnyard.
How many of each animal did Farmer Doug Count? __
With Explanation, please!
Answers
After work each day, Janette stops by the bank and makes a single transaction to her bank account. The list shows the five transactions Janette made this past week.
Day Transaction's Effect on
Account Balance
Monday +$100
Tuesday -$60
Wednesday -$20
Thursday +$50
Friday +$80
Select all of the days in which the transaction was a withdrawal from an account.
Monday
Tuesday
Wednesday
Thursday
Friday
Answers
PLEASE ANSWER QUICKLY PLEASEPLEASEPLEASE
Answers
Answer: linear
Step-by-step explanation:
The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.
Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside
Part A: Calculate the measures of center. Show all work. (2 points)
Part B: Calculate the measures of variability. Show all work. (1 point)
Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)
Answers
For Mountain View School:
Data: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 8 + 8 + 8 + 9) / 19
= 100 / 19
≈ 5.26
To find the median, we need to arrange the data in ascending order: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5
For Seaside School:
Data: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 1 + 1 + 2 + 2 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9) / 19
= 80 / 19
≈ 4.21
To find the median, we need to arrange the data in ascending order: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5
Now let's calculate the measures of variability, specifically the range and interquartile range (IQR).
Range: The range is the difference between the largest and smallest values in the dataset.
For Mountain View School:
Range: 9 - 0 = 9
For Seaside School:
Range: 9 - 0 = 9
Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1) and measures the spread of the middle 50% of the data.
For Mountain View School:
Q1 = 3
Q3 = 7
IQR = Q3 - Q1 = 7 - 3 = 4
For Seaside School:
Q1 = 2
Q3 = 7
IQR = Q3 - Q1 = 7 - 2 = 5
To determine which school is a better choice for a smaller class size, we can consider both the mean and the median.
Both the mean and median for Mountain View School are higher than those for Seaside School. This suggests that, on average, the class sizes at Mountain View School are larger than those at Seaside School. Therefore, if you are interested in a smaller class size, Seaside School would be a better choice
For Mountain View School:
- Median: The median class size is the middle value, which is 25.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (29 + 28 + 28 + 27 + 25 + 24 + 24 + 23 + 21 + 20 + 19 + 18 + 15 + 13 + 10) / 15 = 21.27.
For Seaside School:
- Median: The median class size is the middle value, which is 20.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (25 + 25 + 27 + 27 + 28 + 28 + 28 + 30 + 31 + 35 + 36 + 38 + 40 + 43 + 45) / 15 = 31.13.
Part B:
For Mountain View School:
- Range: The range is the difference between the largest and smallest values, which is 29 - 10 = 19.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 20 and Q3 is 28. Therefore, the IQR is 28 - 20 = 8.
For Seaside School:
- Range: The range is the difference between the largest and smallest values, which is 45 - 25 = 20.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 27 and Q3 is 38. Therefore, the IQR is 38 - 27 = 11.
Part C:
If you are interested in a smaller class size, Mountain View School is a better choice for you because it has a lower mean and median class size than Seaside School.
Magdeline wants to know if the number of words on a page in her art book is generally more than the number of words on a page in her science book. She takes a random sample of 25 pages in each book and then calculates the mean, median, and mean absolute deviation for the 25 samples of each book.
Book Mean Median Mean Absolute Deviation
Art 68.7 50 15.4
Science 54.2 55 7.9
She claims that because the mean number of words on each page in the art book is greater than the mean number of words on each page in the science book, the art book has more words per page. Based on the data, is this a valid inference? (10 points)
Group of answer choices
Yes, because the mean is larger in the art book
No, because the mean is larger in the art book
Yes, because there is a lot of variability in the art book data
No, because there is a lot of variability in the art book data
Answers
Answer:
No, because the mean is larger in the art book
Step-by-step explanation:
give me brainliest plz because i answered
A group of seventh graders and a group of teachers at a local middle school were asked how many siblings they each have. The dot plots below show the results. Students A dot plot titled Students. A number line going from 0 to 9 labeled number of siblings. There are 2 dots above 0, 4 above 1, 7 above 2, 5 above 3, 2 above 4, and 0 above 5, 6, 7, 8, and 9. Teachers A dot plot titled Teachers. A number line going from 0 to 9 labeled Number of siblings. There is 1 dot above 0, 3 dots above 1, 2 above 2, 4 above 3, 5 above 4, 3 above 5, 1 above 6, 0 above 7, 1 above 8, and 0 above 9. When comparing the shape of the two sets of data, what conclusion can someone draw? The students tend to have fewer siblings than the teachers. The teachers tend to have fewer siblings than the students. Both the students and the teachers have a wide range of siblings. Both sets of data have the same shape. the answer is- a. The students tend to have fewer siblings than the teachers.
Answers
Answer:
A. The students tend to have fewer siblings than the teachers.
Step-by-step explanation:
First we need to draw the dot plots correctly. If you count both sides they have 20 each.
Now, clearly none have fewer nobody here yet has more or less but going on to the next step.
Multiply exactly the number of siblings times how many people chose that many siblings. Ex: 2 (siblings) times 7 (people who has 2 siblings) = 14. And so on.
On the Student A, we get a total of 41 people having sibling, if you count the 0's then there were a total of 43 people. But now on the Teacher's A Dot Plot, we have a total of 68 people, if you include the 0 then we have a total of 69.
So the answer is A. The students tend to have fewer siblings than the teachers.
Answer:
The sum is A
Step-by-step explanation:
Just ma duty to help the community
Which list orders the numbers from least to greatest?
Negative 2.4, negative 1.5, negative 2 and one-fourth, negative 3, negative 1 and one-eighth
A number line going from negative 4 to positive 4.
Negative 1 and one-eighth, negative 1.5, negative 2 and one-fourth, negative 2.4, negative 3
Negative 3, negative 2.4, negative 2 and one-fourth, negative 1.5, negative 1 and one-eighth
Negative 3, negative 2 and one-fourth, negative 2.4, negative 1 and one-eighth, negative 1.5
Negative 1.5, negative 1 and one-eighth, negative 2.4, negative 2 and one-fourth, negative 3
Answers
Negative 3, negative 2.4, negative 1.5, negative 2 and one-fourth, negative 1 and one-eighth
Hope my answer helps you✌️
To download movies off the internet, you must pay $1.99 per movie, plus a one time fee of $5.50. Write an expression to show the total cost to download n movies.
Answers
Answer:
1.99n+5.50
Step-by-step explanation:
per movie means you multiply the price of each movie, 1.99, with the number of movies, n. You then simply add 5.50 because it is a one time fee.
this is for my homework please help
Answers
Answer:I do not want to give you the answers but I can explain it to where you can do it on your own
Step-by-step explanation: you should first know that 1.25 is 1 hour and 25 minutes then you divide 35 by 1 hour and 25 minutes and then you make that into an equation and find your answer
Tell whether each relation is a function. Explain how you know.
3. {(1, 5), (3, 7), (6, 5), (9, 8}
4. {(1, 2, (1, 8), (3, 6), (4, 8)}
Answers
Answer: None of them are a function
Step-by-step explanation: they don't relate
4.) This is not a function because their are two 1’s in the x value
Choose the three equivalent forms of 4.625.
four and five eighths, 462.5%, thirty seven eighths
four and six twenty fifths, 4.625%, thirty seven eighths
four and five eighths, 4.625%, forty five eighths
four and six twenty fifths, 462.5%, forty five eighths
Answers
Answer:
Step-by-step explanation:
4.625%- percents and decimals are the same
four and five eighths- five divided by eight is (.625) and 4+ (.625) is 4.625
thirty seven eighths- 37 divided by 8 is 4.625
Which expression is equal to 420−−√−345−−√?
115√
−115√
5√
−5√
Answers
Answer:
\(-\sqrt{5}\)
I hope that this helps anyone in the future! I took the test and got a good grade thanks to the anwser above
anybody know this thing
Answers
.2
please mark me brainliest if I'm right
What is the measure of angle PRQ of the bigger triangle? (Note: The triangles are not drawn to scale.)
Answers
Answer:
c
Step-by-step explanation:
HELPPPPP PLEASE IT'S URGENT!!!!!!
What is the volume of the composite figure? Express the
answer in terms of .
A) 1447 mm
B)1687 mm
C) 3121 mm
D) 4567 mm
Answers
Answer:
Step-by-step explanation:
Volume of the hemisphere
V = 2/3π x r^3
= 144π cu. mm
Volume of the cone
V = 1/3π x r^2 x h
V = 168π cu. mm.
Volume of the composite figure
= 144π + 168π
= 312π cu. mm.
Directions: Follow the instructions for the following inequalities.
1. 4 < 7 Multiply both sides by 3, then by 2, then by 4, then by 9
2. 11 > -2 Add 3 to both sides, then add 3, then add (-4)
3. -2 less than or equal to -2 Subtract 6 from both sides, then 8, and then 2
4. -4 < 8 Divide both sides by -4, then by -2
5. Write a short explanation of the effects of the above operations. Did this affect the inequality sign? Was it still true? Why or why not?
Answers
Answer:
1. 504 < 1512
2. 12 > 0
3. -2 = -2
4. -1 < 2
Step-by-step explanation:
Given that both sides are being changed by the same amount and sign, the sign never changes. They always have the same value.
Number 36 right here
Answers
I hope this is right
Answer:
0,5 for 36, and for 37 it’s b
Step-by-step explanation:
HELP PLEASE
I need the other side
Answers
Shape 1: rectangle, L•W, 15m•6m, 90m^2
Shape 2: triangle, 1/2(L•W), 1/2(10m•4m), 20m^2
Total Area: 100m^2
Janelle and three of her friends bought four smoothies of equal cost for a total of $4. If she purchases the same smoothies on another day for herself and nine of her friends, how much money will she spend?
Answers
If Janelle and three of her friends bought four smoothies of equal cost for a total of $4, it means that each smoothie cost $1 ($4 divided by 4).
If Janelle purchases the same smoothies for herself and nine of her friends, there would be a total of 10 people. Since each smoothie costs $1, Janelle would spend $1 per smoothie multiplied by 10 smoothies, resulting in a total expenditure of $10.
Therefore, Janelle would spend $10 if she purchases the same smoothies for herself and nine of her friends.\(\)
This means if she and nine friends go it would be $10 total since each smoothie is a dollar . Hope this helped
Mr. Nelson sold 84 bags of popcorn in 7 hours. At this rate, how many bags of popcorn will Mr. Nelson sell in 12 hours?
Answers
Answer:
144
Step-by-step explanation:
84 / 7 = 12
12 x 12 = 144
144 bags will be sold in 12 hours
Answer:
144 Bags Of Popcorn
Step-by-step explanation:
> First we need to identify how many bags he is selling an hour. We can do this by dividing 84 by 7, as he sold 84 in seven hours, so we’ll be finding how much he sold in one.
> We find that this equals 12, and as it says, “At this rate”. This means that it’s a constant, meaning the amount being sold an hour will not change.
> Knowing this we can simply multiply the 12 by 12 to get to the answer. The reasoning behind this being that since we are selling 12 and hour, and we are trying to see how many we will sell in 12 hours, we can multiply the two to get the answer.
> The answer to this is 144, so we can therefore find that the answer is 144 Bags Of Popcorn.
> I hope this helped you with your query, and any other questions you may have had on the subject. #LearningWithBrainly
What's 2√5 + 3√125 step by step pls.
thanks
Answers
Answer:
Step-by-step explanation:
2\(\sqrt{5\) + 3\(\sqrt{125\)
=2\(\sqrt{5\) +3\(\sqrt{5*5*5\)
=2\(\sqrt{5\) +5*3\(\sqrt{5\)
=2\(\sqrt{5\) +15\(\sqrt{5\)
=(2+15)\(\sqrt{5\)
=17\(\sqrt{5\)
Find each unit rate. Round to the nearest hundredth if necessary.
1. 360 miles in 6 hours
stalk my pf if you want to stick around and answer the other parts to this
Answers
i need to answer part b. i really need help. this is due tomorrow pls. ☹️
Answers
step explanation: it helped me with a lot of assignments.
Answer:
28+x
Step-by-step explanation:
6+6=12
8+8=16
12+16= 28
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 :)
Select two ordered pairs that satisfy the function y = –4x – 1.
Answers
I’m not sure if this helps
Answer:
(-0.25,0) and (0,-1)
Step-by-step explanation:
I used a graphing calculator.
Put function the the calculator
then ind two points on the function and that is your answer
I want to make sure im doing this right, if you could help it would be great
Answers
Answer:
84
Step-by-step explanation:
7(9+3) you multiply 7 to both numbers like this
63+21 and then you can simplify
84
If you need the other 3 done just comment on this question to tell me
Also please mark brainliest
Answer:
Step-by-step explanation:
1.84
2.32
3.30
4.88
1.
84 because PEMDAS(parenthesis/Exponents/Multiply/Divide/Add/Subtact) says you do parenthesis first. So you add 9 and 3 to get 12. The you do 12*7 to get 84.
Dorian gets paid on commission to sell furniture. He receives 35% of all sales he makes. He has to pay $518 each month in rent for his apartment. How much does he have to sell to make enough money to pay for his rent? Show all work.
Answers
Answer:
$1480
Step-by-step explanation:
We know that he needs to make $518 and receives $.35 for every dollar made
we can write the following equation
.35x=518
You can solve this with relative ease. First divide by .35
this means that x=518/.35 which equals $1480
Answer:
1480$
Step-by-step explanation:
DUE TODAY!! LINEAR FUNCTIONS
What is an equation for the linear function whose graph contains the points (−1,−2) and a slope of 3?
Enter your answers in the boxes.
y+ ? = ? (x+1)
Answers
Answer:
The point-slope form of the equation of a line is given by y - y1 = m(x - x1), where (x1, y1) is a point on the line and m is the slope of the line. In this case, we have a point (-1,-2) and a slope of 3. Substituting these values into the equation, we get:
y - (-2) = 3(x - (-1))
Simplifying this equation, we get:
y + 2 = 3(x + 1)
So, the equation for the linear function whose graph contains the point (-1,-2) and has a slope of 3 is y + 2 = 3(x + 1).
Y + 2 = 3( X + 1 )
Explanation:
The equation is
Y - Y1 = M(X - X1)
Y1 is the y value:
The y value for the point (-1,-2) is -2 so we can plug that in
Y - (-2) = M( X - X1 )
If you subtract a negative you are adding so:
Y + 2 = M( X - X1 )
X1 stands for X
The X value for (-1,-2) is -1 same as the last one it will be positive because if you subtract a negative you are adding it:
Y + 2 = M( X + 1 )
Finally we plug in M
M is the slope and slope = 3 so plug 3 in
Y + 2 = 3( X + 1 )
Answer is Y + 2 = 3( X + 1 )
The slope of the line in the graph is ___.
(If your answer is a fraction, write it in simplified terms.)
Answers
3/2 OR it can be written as 1 1/2
What is the first step in solving the equation ģx+3x+2 = 57
2
1
1
Subtract from each side of the equation.
Add 2 to each side of the equation.
Combine like terms.
Multiply each side of the equation by 5.
Answers
Answer:
its Combine like terms sorry the answer is kind of late
Step-by-step explanation:
The first step in solving the given equation is Combine the like terms.
What is an Equation?An equation is the statement of two expressions located on two sides connected with an equal to sign. The two sides of an equation is usually called as left hand side and right hand side.
Given is an equation,
gx + 3x + 2 = 57
Like terms are terms which are having the same variable or they are constants.
Here gx and 3x are like terms since both of then has the variable x.
2 and 57 are constants.
gx + 3x + 2 = 57
Combine the like terms.
(g + 3)x = 57 - 2
(g + 3)x = 55
Hence the first step is combining like terms.
Learn more about Equations here :
https://brainly.com/question/8419857
#SPJ7