Determine whether the ratios are equivalent.
56: 81 and 7: 9 please show the work
Answers
Related Questions
3(x+3)=7+3x+6-x Please help!
No solution, Many solutions, or One solution?
Need this answered by 3:35 September 4, 2020
Answers
Answer:x=4
Distribute
Combine like terms
Inverse operation
What is the volume of this triangular prism?
Answers
(Bh over 2)h
(Bh)
(. 2 )h
Volume is calculated using the formula volumes = 0.5 * b * h * length, where b is the triangle's base length, h is its height, and length is the prism length.
Explaining a triangle
Triangles: What are they? Three vertices make up a triangle, a three-sided polygon. The triangle's angles are formed by a point where the three are joined end to end. The triangle's three angles add up to a total of 180 degrees.
Answer: What is a triangle?
A triangle is made up of three vertices, three angles, and three sides. A triangle's internal angles add up to 180 degrees. The triangle's third side is longer than the two sides added together. where is
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.
If xx and y vary directly and y is 21 when x is 7, find y when x is 5
Answers
Answer:
y = 15
Step-by-step explanation:
We need to solve for k
y = x
21 = 7k Divide both sides by 7 to solve for k
3 = k
y = xk
y = 5(3)
y = 15
Answer: y = 15
Step-by-step explanation:
Which expression can be used to find the product of 720?
Question 2 options:
(7 x 2) x (3 x 5)
(8 x 9) x (2 x 5)
(9 x 7) x (2 x 5)
(9 x 8) x (3 x 5)
Answers
Answer:
(8 x 9) x (2 x 5) is the correct answer.
Step-by-step explanation:
(8 x 9)= 72
(2 x 5)= 10
72 x 10 = 720
(8 x 9) x (2 x 5) is the expression can be used to find the product of 720
What is Expression?An expression is combination of variables, numbers and operators.
We need to find the expression can be used to find the product of 720
Product is nothing but multiplication.
Multiplication is a method of finding the product of two or more numbers
(8 x 9) x (2 x 5)
Eight time of nine times two times of five
Eight times of nine is seventy two and two times of five is ten
72×10
Seventy two times of ten is Seven hundred twenty
720
Hence, (8 x 9) x (2 x 5) is the expression can be used to find the product of 720
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please help me with my ixl
Answers
Answer:
B=64
Step-by-step explanation:
B+7=71
do the opposite-
B+7=71
-7=-7
B=64
Yw Uvu
HELP Please I will mark brainliest
Answers
Answer:
7.701
Step-by-step explanation:
Old Value: 5
New Value: 16.1
222% increase
Old Value: 40
New Value: 57.6
44% increase
Old Value: 60
New Value: 63.6
6% increase
Old Value: 110
New Value: 13.2
88% decrease
You bought some jeans for $55. Today they were on sale for $49.50. What was the percent decrease in price?
10% decrease
Explain how you these answers are right
Answers
Answer:
Step-by-step explanation:
Profit % = \(\frac{New Value - Old Value}{Old value}\)x 100
Loss % = \(\frac{Old Value-NewValue}{Old Value}\)
Profit % = \(\frac{16.1-5}{5}\) × 100
= \(\frac{11.1}{5}\) x 100
= 11.1 x 20
= 222% increase
∴ Hence, proved that the answer is correct.
Profit % = \(\frac{57.6-40}{40}\)×100
= 44% increase
∴ Hence, proved that the answer is correct.
Profit % = \(\frac{63.6-60}{60}\)x 100
= 6% increase
∴ Hence, proved that the answer is correct.
Loss % = \(\frac{110-13.2}{110}\)x 100
= 88% decrease
∴ Hence, proved that the answer is correct.
Loss % = \(\frac{55-49.5}{55}\)x 100
= 10% decrease
∴ Hence, proved that the answer is correct.
Hope it helped. Pls mark me the BRAINLIEST! For all the writing and you understanding :)
Answer:
Step-by-step explanation:
Old Value: 5
New Value: 16.1
16.1-5=11.1
11.1 divided by 5= 2.22
2.22/1 x 100=222%
222% increase
Old Value: 40
New Value: 57.6
57.6-40=17.6
17.6 divided by 40= 0.44
0.44/1 x 100= 44%
44% increase
Old Value: 60
New Value: 63.6
63.6-60=3.6
3.6 divided by 60= 0.06
0.06/1 x 100= 6%
6% increase
Old Value: 110
New Value: 13.2
13.2-110= -96.8
-96.8 divided by 110= -0.88
-0.88/1 x 100= 88%
88% decrease
You bought some jeans for $55. Today they were on sale for $49.50. What was the percent decrease in price?
49.50-55= -5.5 -5.5 divided by 55= -0.1 -0.1/1 x 100=10% 10% decrease
please write a function for the points (1/3,0) (-2 3/4,0) and (0,-5) and explain the steps.
thank you!
Answers
The function for the points are y = -15x - 5
How to determine the functionFrom the information given, we have that;
The points are;
(1/3,0) (-2 3/4,0) and (0,-5)
Using the point-slope form of a linear equation, we have;
y - y₁ = m(x - x₁)
Such that;
m is the slope of the liney - y₁ and (x - x₁) are the pointsUsing (1/3, 0) and (0, -5), we have that the slope is;
m = (0 - (-5))/0 -1/3)
expand the bracket
= 5 / (-1/3)
= -15
Now, take any of the given points and substitute the values
Using (1/3, 0), we get;
y - 0 = -15(x - 1/3).
y = -15x - 5.
Learn more about functions at: https://brainly.com/question/25638609
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The function for the points solved by (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)
We have given the points:
(1/3,0) (-2 3/4,0) and (0,-5)
Using the formula of linear equation
\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)
Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)
that is 1/3 = \(a\), 0 = \(a_{1}\) and
0 = \(b\), -5 = \(b_{1}\)
\(x\) refers to the slope of line (take any variable)
Now for finding the value of \(x\),
\(x=a-a_{1}/b-b_{1}\)
inserting the values,
\(x=[0-[-5]]/[0-1/3]\\x= -15\)
Substitute the value of \(x\) in the equation
\(a-0=-15[b-1/3]\)
By simplifying the equation, we get
\(a=-15b-5\)
To know more about functions and points:
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help meeeeeeeeeeeeeeeee
Answers
Answer:
3205
Step-by-step explanation:
3÷3=9
3÷2=6
3÷5=15
Answer:
Step-by-step explanation:
how much money you got (alot)
how many problems you got (alot)
how many people done doubted (alot)
left you out to rot (alot)
Answers
Answer:
how many pray that you flop (alot)
how many lawyers you got (alot)
how many times you got shot (alot)
how many n***** you shot (alot)
Step-by-step explanation:
You pick a card at random.
1
2
3
What is P(factor of 16)?
Write your answer as a fraction or whole number.
Answers
1. In what book was “Gryffindor Versus Ravenclaw” a chapter?
2. What was the name of Aragog’s wife?
3. What kind of wood was Lily Potter’s wand made of?
4. What Quidditch team did Oliver Wood play for after graduating?
5. What were the titles of Dolores Umbridge’s two positions at the Ministry of Magic?
6. Who was the Ravenclaw captain when Gryffindor beat them in the Quidditch Cup?
7. Name all the people and their houses who were sorted before Hermione Granger was.
8. Who were the two Gryffindor Beaters when Harry Potter was Quidditch captain?
9. What is the password to get from Hogwarts to Hogsmeade?
10. Who was the referee at the 1994 Quidditch World Cup?
Answers
Answer:
1. Chapter 13 in, "Harry Potter and the Prisoner of Azkaban
2. Mosag
3. Willow
4. Puddlemere United
5. ( This is all of her positions that I found) Head of the Improper Use of Magic Office (formerly)
Senior Undersecretary to the Minister of Magic (–1998)
Defence Against the Dark Arts Professor at Hogwarts School of Witchcraft and Wizardry (1995–1996)
Headmistress of Hogwarts (April–June 1996)
High Inquisitor at Hogwarts (1995–1996)
Head of the Muggle-Born Registration Commission (1997–1998)
6. Roger Davies
7. (This one i'm not sure on but i'll keep searching)
8. I believe that is was Fred and George Weasley
9. Dissendium
10. referee Hassan Mostafa
Sorry I didn't get to all of them, I am still getting through a few of the books but I hope this atleast helped a little :)
Step-by-step explanation:
2) Mosag.
3) Willow.
4)Puddlemere United’s reserve team.
5)Senior undersecretary to the minster of magic & head of the improper use of magic office.
6)Roger Davies.
7)Hermione was sorted first.
8)Fred & George Weasley.
9)Dissendium.
10) Hassan Mostafa.
:)
6th grade math
(–27) ÷ (–9 ÷ 1/9)
Answers
\(\displaystyle\ \boldsymbol{(-27)\div(-9\div\frac{1}{9})=-27\div(-9\cdot9)=} \\\\\boldsymbol{-27\div-81=\boxed{\frac{1}{3}} }}\)
-4 3/8 - 1 1/4
oof. i forgot how to minus fractions during break ._.
Answers
Answer:
-5 5/8 or -5.625
Step-by-step explanation:
Answer:
3 1/8
Step-by-step explanation:
Mackey invested some money in an account paying 6% interest for one year. She invested $1000 more than this amount in an account paying 8.5%. How much did she invest in total if the total interest earned in the year was $737.50?
Answers
Step-by-step explanation:
Let's assume the amount Mackey initially invested in the 6% account is x dollars.
According to the given information, Mackey invested $1000 more than x in the 8.5% account, which means she invested (x + $1000) dollars in that account.
The total interest earned from the 6% account would be 0.06x dollars, and the total interest earned from the 8.5% account would be 0.085(x + $1000) dollars.
The total interest earned in the year is given as $737.50, so we can set up the equation:
0.06x + 0.085(x + $1000) = $737.50
Simplifying the equation:
0.06x + 0.085x + 0.085($1000) = $737.50
Combining like terms:
0.145x + $85 = $737.50
Subtracting $85 from both sides:
0.145x = $737.50 - $85
0.145x = $652.50
Dividing both sides by 0.145:
x = $652.50 / 0.145
x ≈ $4500
Therefore, Mackey initially invested approximately $4500 in the 6% account, and she invested $1000 more, which means she invested a total of $5500.
$4500
$4500
$4500
$4500
The circle graph describes the distribution of preferred transportation method from a sample of 300 randomly selected San Francisco residents.
circle graph titled San Francisco Residents' Transportation with five sections labeled walk 40 percent, bicycle 8 percent, streetcar 15 percent, bus 10 percent, and cable car 27 percent
Which of the following conclusions can be drawn from the circle graph?
Cable Car is the preferred transportation for 75 residents.
Bicycle is the preferred transportation for 30 residents.
Together, Streetcar and Bus are the preferred transportation for 25 residents.
Together, Bus and Bicycle are the preferred transportation for 54 residents.
Answers
Answer: Together, Streetcar and Bus are the preferred transportation for 25 residents.
Step-by-step explanation: The streetcar is preferred by 15 and the bus is preferred by ten which together equals 25 residents.
Imagine below explains, please help! This is my last question on my homework.
Answers
2 ⇒ 1
3 ⇒ 3
4 ⇒ 2
5 ⇒ 1
6 ⇒ 3
7 ⇒ 5
8 ⇒ 2
9 ⇒ 4
10 ⇒ 0
11 ⇒ 2
12 ⇒ 2
Hope my answer helps you✌️
Mark BRAINLIEST
For this item, enter the answers in the spaces provided.
For the equation x 3 = 1 , the solution is x = .
For the equation x 3 = 216 , the solution is x =
Answers
Step-by-step explanation:
ermm ok I'm not sure but I'll try,
3x=1
x=1/3
3x=216
x=216/3
x=72
72
Step-by-step explanation:
3x=1x=1/33x=216x=216/3x=72Somebody Answer please I don't understand?
Answers
Answer:
The answer is B, 38.75
Step-by-step explanation:
The mean, you add up all the numbers and divided it by how much numbers are there.
1) 20 + 22 + 25 + 31 + 33 + 34 + 41 + 41 + 45 + 50 + 56 + 67 = 465
2) Count. How many numbers are there? There are 12 numbers.
3) 465/12 is 38.75
The answer is B, 38.75
Hope this helps :)
Which is the graph of y = 2x?
A.
B.
C.
D.
Answers
Answer:
the answer is A
Step-by-step explanation:
Find the measures of the interior angles.
Answers
Answer:
The two angles are 39°
Step-by-step explanation:
180 - 102 = 78. 78/2 = 39.
Answer:
x=39
Step-by-step explanation:
We know that three angles combine has equal 180 degrees.
180-102=78
78/2=39
I subtracted 102 from 180 to know the degrees of the rest of the two angles combine, then divide the 78 by 2 to find the angles of the individual angles.
Hope this helped you : )
due in 6 min please help thank u please eplain i will mark as brianlyist
Answers
Answer:
88/27
Step-by-step explanation:
Convert (2+(2/3)) into a improper fraction. To do this multiply the denominator (3) by the whole number (2) and add the numerator (2). (3*2)+2 = 8. Then put 8 over a denominator which is equal to the denominator of the mixed fraction. So (2+ (2/3) is 8/3) Do the same process with the other fraction.
Then multiply the numerators and denominators of the improper fractions:
(8/3)*(11/9) gives (88/27).
1. 4y/4 + 2x for y = 6, x = 2?
2. 8x /(x - 1) + 4 for x = 3?
3. 3(x - y) - 5 for x = 7, y = 4?
4. (x - 5)5 for x = 9?
5. 6y/5 for y = 30?
6. 10 + 2(3x - 2) for x = 4?
7. 12/y - 2 for y = 3?
8. 11 + x(12 - 2x) for x = 2?
9. xy + 2x -10 for x = 3, y = 2?
10. 3x(x - 5) for x = 10?
11. 75 - 7x + 5 for x = 2?
Answers
Can some please help me?
Answers
Answer:
ofc 8374747374743i3i3i383
5. 16t^4/8t^4
9. 6^3+6+4/6^2+3+3
THE ADDITION PART IS STILL EXPONENTS
I hope that was easy to understand, here’s a guide if you need it in the future
I need help please...
Answers
Answer:
i believe the answer is 1.8% tax
Step-by-step explanation:
hope this helps <3
Answer:
(21.89 - 20)/ 21.89 × 100%
Step-by-step explanation:
See above
***TEN POINTS*** Answer the questions. Deals with functions.
Answers
Answer:
f(x) = 250x + 1300
hope this helped and brainliest please (im only ~90 percent sure though, don’t give me brainliest if wrong)
Using the interquartile range (IQR), determine if the data set contains any outliers. Name the outlier or choose No outliers.
{20, 25, 25, 26, 28, 30, 32, 33, 37, 56}
A. 25
B. 56
C. 45
D. No outliers
Answers
HELP ASAP!!!
Describe and correct the error a student made when solving \(kx+3x=4\) for x.
Describe the error the student made. Choose the correct answer below.
(Image Given) (Brainliest Will be given as well)
![HELP ASAP!!!Describe and correct the error a student made when solving [tex]kx+3x=4[/tex] for x.Describe](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/cf3aGtLzcTainQjW9Ppq1Ouj0VeHB09b.png)
Answers
The equation was not solved for x as x is still present on both sides of equation.
The correct option is C .
Given, steps to solve kx + 3x = 4 .
To solve for x, isolate x in the equation .
Equation : kx + 3x = 4
Take x common in the LHS of equation.
x(k+3) = 4
Divide LHS and RHS of the equation by x+3
\(\frac{x(x+3)}{x+3} = \frac{4}{x+3}\)
\(x = \frac{4}{x+3}\)
Therefore the correct value of x is 4/x+3 .
Hence the equation was not solved for x as x is still present on both sides of equation.
The correct option is C .
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Write the coordinates obtained after the given translation. (someone please help me with this, I really need it.)
Answers
Answer:
1.) A' : (2,-5) B' : (4,-5) C' : (5,-3) D' : (2,-4)
2.) P' : (-3,3) Q' : (-1,3) R' : (0,5) S' : (-3,5)
3.) K' : (-1,-1) L' : (-1,2) M' : (2,1) N' : (-1,1)
4.) S' : (-4,1) T' : (-3,1) U' : (-2,3) V' : (-5,3)
Step-by-step explanation:
:)