Answer: The mininum percentage of recent graduates is 88.9%
Step-by-step explanation:
We are given:
Mean value = $24,800
Standard deviation = $1100
Minimum value of salary = %21,500
Maximum value of salary = %28,100
The equation for Chebyshev's Theorem is given by:
[tex]\%=1-\frac{1}{k^2}[/tex] .....(1)
To calculate the value of 'k', we first subtract the mean value from the maximum value.
⇒ [28,100 - 24,800] = 3300
Secondly, dividing the above-calculated value by the standard deviation, we get:
[tex]\Rightarrow \frac{3300}{1100}=3=k[/tex]
Putting value of 'k' in equation 1, we get:
[tex]\%=1-\frac{1}{3^2}\\\\\%1-\frac{1}{9}\\\\\%=\frac{8}{9}=88.9\%{[/tex]
Hence, the mininum percentage of recent graduates is 88.9%
You are studying the color patterns of a species of iris that can be yellow, purple, or red. If you are performing a chi-squared test to compare the number of each you find in a field to the number you would expect to find based on the pollinators in the area, how many degrees of freedom would you have in your analysis
Answer:
Number of degrees of freedom = 2
Step-by-step explanation:
The degree of freedom in such type of chi-Square test depend on the number of phenotypes of the a particular species produced in a given cross.
Here the total phenotype number is three i.e yellow, purple, or red
Hence, the number of degrees of freedom = total number of phenotype - 1
Number of degrees of freedom = total number of phenotype - 1
Number of degrees of freedom = 3-1
Number of degrees of freedom = 2
Graph the solution to the following linear inequality in the coordinate plane. 5 x - y > -3
Given:
The inequality is:
[tex]5x-y>-3[/tex]
To find:
The graph for the given linear inequality in the coordinate plane.
Solution:
We have,
[tex]5x-y>-3[/tex]
The related equation for this inequality is:
[tex]5x-y=-3[/tex]
The table of values is:
x y
0 3
-1 -2
Plot the points (0,3) and (-1,-2) on a coordinate plane and connect them by a dotted straight line because the sign of inequality is >.
Check the given inequality for (0,0).
[tex]5(0)-(0)>-3[/tex]
[tex]0>-3[/tex]
This statement is true. So, the shaded area of the given inequality is towards the origin.
Therefore, the required graph is shown below.
Factorize by splitting the middle term: 100 x2 – 20x + 1.
Answer:
Below;.
Step-by-step explanation:
100x^2 - 10x - 10x + 1
= 10x(10x - 1) - 1(10x - 1)
= (10x - 1)(10x - 1).
5x5x5x5x5 in expression in exponential form
Answer:
5^5
Step-by-step explanation:
There are 5 fives being multiplied together.
The expression 5x5x5x5x5 can be written in exponential form as [tex]5^5[/tex].
To express the expression 5x5x5x5x5 in exponential form, follow these steps:
Step 1: Count the number of times the base (5) is multiplied by itself (the number of factors).
Step 2: Write the base (5) followed by the exponent, which is the number of factors from Step 1.
In this case, the base is 5, and it is multiplied by itself 5 times:
5x5x5x5x5 = [tex]5^5[/tex]
So, the expression 5x5x5x5x5 can be written in exponential form as [tex]5^5[/tex].
To know more about exponential form, refer here:
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mrqualyn needs helppppppp
Answer:
25 minutes
Step-by-step explanation:
1 hour 15 minute ( 1 hour = 60 minutes)
60+15 = 75 minutes
75 minutes for play practice
Divide by 3 to get the amount of time for homework
75/3 = 25
25 minutes for homework
Time taken by Trevor to practice for the school play=1 hour 15 minutes=1.15 hours
Time taken by Trevor to finish his homework=1.15×3=3.45=3 hour 45 minutes
Hope it helps you
Use the formula for the sum of the first n integers either to evaluate the sum or to express it in closed form.
a. 9 + 10 + 11 + 12 + .........+ 400
b. 9 + 10 + 11 + 12 +......... + k
Answer:
A) 80,164
B) S_n = (n/2)(17 + n)
Step-by-step explanation:
A) Formula for the nth term of an arithmetic progression series is;
a_n = a + (n - 1)d
a is first term of the series and in this case it is 9.
Difference is d which is 1 since they are consecutive integers.
Thus, For the last term which is 400, we have;
400 = 9 + (n - 1)1
400 - 9 = n - 1
391 = n - 1
n = 391 + 1
n = 392
Thus,there 392 terms in this sequence.
Formula for sum of an AP is;
S_n = (n/2)(2a + (n - 1)d)
S_392 = (392/2)((2 × 9) + (392 - 1)1)
S_392 = 80,164
B) The last term here is k, so we can't know exactly how many terms are in this sequence. Thus, let the number of terms be n.
Now, as above,
a = 9
d = 1
Sum of this AP sequence is;
S_n = (n/2)((2 × 9) + (n - 1)1)
S_n = (n/2)(18 + n - 1)
S_n = (n/2)(17 + n)
The store charges $2.50 for a bottle of soda and $1.25 for a bottle of water. Write an equation in standard form for the number of soda (s) and water (w) bottles that you can buy with $15. PLZ HELPPPP
Answer:
2.50 + 1.25= 3.75
15.00 - 3.75= 11.25
Step-by-step explanation:
Jasmine drinks 500 ml of water 3 times a day. How many days would it take to drink 9 liter of water?
Answer:
6 days
Step-by-step explanation:
1 L = 1000 mL
3 days = 1500 mL = 1.5 L
9 L divided by 1.5 L = 6 days
please help me with 5th question
Answer:
uog cougccutxcouxi tdddpfd tdosiduo
Step-by-step explanation:
গ cuogchlicglici xiyxryfkcyricgilxiygciyrcuoxucy
How would you classify the number 121?
A. Perfect square
B. Perfect cube
C. Both a perfect square and a perfect cube
D. Neither a perfect square nor a perfect cube
A . Perfect square
Step-by-step explanation:
This is your answer
Hope this helps you :)
Answer: B- Perfect cube
Step-by-step explanation: I am smort
tom has 60 apples, 30 oranges and 10 bananas
Valerie has 45 apples, 20 oranges and 5 bananas
how many more apples, oranges and bananas does tom have each?
how many apples, oranges and bananas do they have in all?
how many apples, oranges and bananas do they have in all times 2?
Answer:
15 10 5
60+45=15
30-20=10
10-5=5
170
60+30+10+45+20+5=170
340
170x2=340
Step-by-step explanation:
Find the circumference of this circle
using 3 for T.
C ~ [?]
2
C = 2Tr
Answer:
12Step-by-step explanation:
Formula:
C = 2πrGiven:
r = 2, π = 3The circumference:
C ≈ 2*2*3 = 12Hope this help!!!
Have a nice day!!!
Solve (5y+2)(y+2)=3(5y+2)
Answer:
y=1, y=-2/5
Step-by-step explanation:
Answer:
y= -2/5 . y= 1
Step-by-step explanation:
Solve for x
(4/y) + (3/x) = 8
(6/y) + (5/x) = 13
Answer:
0.5
Step-by-step explanation:
Given data
[tex]\frac{4}{y} +\frac{3}{x} =8\\\frac{6}{y}+\frac{5}{x} =13[/tex]
Now,
4x+3y=8xy......(i)
6x+5y=13xy.......(ii)
Multiply by 5 in equation (i) and by 3 in equation (ii)
20x+15y=40xy.....(iii)
18x+15y=39xy.....(iV)
Solving above equation (iii) and (iv)
2x=xy
y=2
Now, putting the y=2 in equation (i)
4x+3(2)=8x(2)
4x+6=16x
6=12x
x=0.5
Value of x=0.5
Devaughn is 14 years younger than Sydney. The sum of their ages is 76. What is Sydney's age?
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Answer:
Sydney is 45
Step-by-step explanation:
Let s represent Sydney's age. Then Devaughn's age is (s-14). The total of their ages is ...
s +(s -14) = 76
2s = 90 . . . . . . simplify, add 14
s = 45 . . . . . . . divide by 2
Sydney's age is 45.
___
Check
Devaughn's age is 45 -14 = 31. Their age total is 45 +31 = 76, as required.
Answer:
x + (x - 14) = 76
2x - 14 = 76
2x = 90
x = 45
Sydney is 45
45 - 14 = 31
Devaughn is 31
31 + 45 = 76 ✅
If f(x) = -2[x] + 8, what is f(-1.8)?
4
6
10
12
Answer:
it's 12!
Step-by-step explanation:
Answer:
C. 10
Step-by-step explanation:
First, you plug in f(-1.8) into the original equation.
f(-1.8) = -2 (-1) + 8
The reason why I rounded -1.8 to -1 is because we're using the ceiling function, which means we need to round up (the brackets tell you in Edge but not on Brainly). Rounding up a negative number means we are going closer to 0. The next whole number close to -1.8 on the right will be -1.
Now solve:
f(-1.8) = 2 + 8 = 10
The answer is 10 if f(-1.8)
If you need more proof I took the quiz as well:
cho hệ các vector
U = − − + − {(1,2, ); (2,3, 1);(1,0,2 n n n (0, 1,1 ); ) n }.
a. Tìm số chiều và một cơ sở W của không gian con sinh bởi hệ vector U .
b. Tìm tham số k để u k = + (2,3, 1) 2 là một tổ hợp tuyến tính của W , và suy ra [ ] u W
Points A, B, and C are collinear, BC = 2x+1, AB = 4x-3. AC is 7x- 6. What is
AB?
A line is a one-dimensional shape that is straight, has no thickness. The length of the sides AB is 13 units.
What is a line?A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely.
Given Points A, B, and C are collinear, BC = 2x+1, AB = 4x-3, and AC is 7x- 6. Since the three points are collinear therefore, the sum of AB and BC will be equal to AC. Therefore, we can write,
AB + BC = AC
4x - 3 + 2x + 1 = 7x - 6
6x - 2 = 7x - 6
-2 + 6 = 7x - 6x
4 = x
Now, since the value of x is 4, the measurement of AB is,
AB = 4x - 3 = 4(4) - 3 = 16 - 3 = 13 units
Hence, the length of the sides AB is 13 units.
Learn more about Line:
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Solve the equation. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
|x − 1| = |3x + 8|
Answer:
ndwiqnubuyohaiuhdiupas
I GOT A BLEEE
Step-by-step explanation:
Answer:
- 9/2 , - 7/4
Step-by-step explanation:
You can use the app photo math, you just take a pic of the problem and it gives you the answer and explains the steps. and it is free.
PLEASE HELP!!!
WILL MARK BRAINLIEST!!!
Solve for x.
MULTIPLE CHOICE!
THANK YOU!
Answer: 3 I think
Step-by-step explanation:
You have been assigned to conduct a survey of college and career intentions of high school students at a local high school. You need to start by drawing a simple random sample of 40 students. Which of the following is most likely to produce a simple random sample?
a. Select the first 40 students to enter the library.
b. Select every 10th student entering the school cafeteria until 40 students are selected.
c. Select 40 students at random (by using software) from the official school roster.
d. Select 10 each of first-year, second-year, third-year, and fourth-year students.
e. Select the first 40 students to arrive at school in the morning
Answer:
Textbook Solutions
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mathstatistics and probabilitystatistics and probability questions and answersProblem 9 You Have Been Assigned To Conduct A Survey Of College And Career Intentions Of High ...
Question: Problem 9 You Have Been Assigned To Conduct A Survey Of College And Career Intentions Of High School Students At A Local High School. You Need To Start By Drawing A Simple Random Sample Of 40 Students. Which Of The Following Is Most Likely To Produce A Simple Random Sample? Select The First 40 Students To Enter The Library Select Every 10th Student ...
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Problem 9 You have been assigned to conduct a survey of college and career intentions of high school students at a local high
Show transcribed image text
Step-by-step explanation:
Find ƒ–1 for the function ƒ(x) = (x – 10)3 + 4.
Answer:
x=-69/7
Step-by-step explanation:
f (-1) f (x)=(x-10) 3+4
-1=(x-10) 3+4
-1=(x-10) 7
You will multiply 7 by (x-10)
-1=7x-70
Well move the-1 to the right hand side which will become+1 and move the+7x to the left hand side which will become -7x
-7x=-70+1
-7x=-69
So you will divide both sides by-7
-7x/7=-69/7
x=-69/7
Module 07: Project Option 1
Instructions
First, you need to come up with an activity. If you are having trouble thinking of what to do, here are some ideas:
• How many jumping jacks can you do in a minute?
• How many times can you write your full address in a minute?
• How many points can you score in a game in three minutes?
• How many pages of a book can you read in four minutes?
• How far can you walk in five minutes?
Feel free to be creative or even to come up with an activity you think your teacher has not seen before.
Now that you have decided what your activity is going to be, it’s time to get started.
Part 1: Record Information
Spend a short amount of time (one to five minutes) doing your activity. Answer the following questions:
1. What was the activity?
2. How long did you spend doing your activity?
3. How much of the activity did you complete in the time period? (Example: I did 24 sit-ups in one minute.)
4. Which of these variables is your dependent variable?
5. Which one is the independent variable?
6. Write a sentence that describes the relationship between the dependent variable and the independent variable. (Hint: Ratio language can help.)
(Questions 1 to 3 are worth 1 point each; questions 4 to 6 are worth 2 points each.)
Part 2: Prepare a Table
Assuming that you could complete the activity at the same rate over different time periods, how much of the activity could you complete in two minutes, three minutes, four minutes, and five minutes? (Note: If you spent two minutes doing your activity, then you should edit the table below and use multiples of 2 up to 10).
You may use the table below for your variables.
Time (minutes)
0 0
1
2
3
4
5
Part 3: Prepare a Graph
Create a graph to show your relationship. Make sure you include all the parts for a graph and show the data clearly. Include a title for the graph and label the x- and y-axes.
Part 4: Write an Equation
Based on your recorded values, write an equation that represents the relationship between the time you spent doing the activity and the amount of the activity you completed. Make sure to define your variables.
Follow-up questions
7. If you were able to maintain this rate of your activity for 12 minutes, how much of the activity would you be able to complete?
8. How long would it take you to reach 100 for the number of times you did your activity?
9. Which representation do you believe is the best way to share this information with someone else? This is your opinion. No answer is right or wrong.
Answer:
See below
Step-by-step explanation:
Feel free to be creative or even to come up with an activity you think your teacher has not seen before.
Liked that. So let's be creative.
Part 1: Record Information
Spend a short amount of time (one to five minutes) doing your activity. Answer the following questions:
1. What was the activity?
I am from Japan and practice Kendo (feel free to search about it). Suppose you are doing suburi. You did 100 joge suburi.
2. How long did you spend doing your activity?
Suppose it took you 5 minutes.
3. How much of the activity did you complete in the time period? (Example: I did 24 sit-ups in one minute.)
You did 100 joge suburi in 5 minutes. It means [tex]\dfrac{100}{5} = 20 \text{ per minute}[/tex]
4. Which of these variables is your dependent variable?
If you want to calculate how much suburi you did in an amount of time [tex]x[/tex], given the time in minutes, we can write the function
[tex]y = f(x)=20x[/tex]
Therefore, the dependent variable is the number of suburis. More precisely it is given by [tex]y[/tex]. On the other hand, the independent variable is [tex]x[/tex], the time.
Considering the example: I did 24 sit-ups in one minute.
sit-ups is the dependent variable and the number of minutes represents the independent variable.
Note: The number of sit-ups will depend on the time. 24 is the coefficient. In this case, the function would be
[tex]g(x) = 24x[/tex]
5. Which one is the independent variable?
The time in minutes.
6. Write a sentence that describes the relationship between the dependent variable and the independent variable. (Hint: Ratio language can help.)
You can write: The ratio of suburi done is 100:5 or 20:1 because for every 1 minute passed you did 20 suburis.
Part 2: Prepare a Table
Assuming that you could complete the activity at the same rate over different time periods, how much of the activity could you complete in two minutes, three minutes, four minutes, and five minutes? (Note: If you spent two minutes doing your activity, then you should edit the table below and use multiples of 2 up to 10).
You may use the table below for your variables.
Time (minutes) Quantity of suburi
0 0
1 20
2 40
3 60
4 80
5 100
Part 3: Prepare a Graph
Create a graph to show your relationship. Make sure you include all the parts for a graph and show the data clearly. Include a title for the graph and label the x- and y-axes.
This part I will let it to your. But is is just a linear graph.
Part 4: Write an Equation
Based on your recorded values, write an equation that represents the relationship between the time you spent doing the activity and the amount of the activity you completed. Make sure to define your variables.
[tex]y = f(x)=20x, \forall x \in\mathbb{Z}_{\geq 0}[/tex]
[tex]y: \text{number of suburis}[/tex]
[tex]x: \text{time}[/tex]
7. If you were able to maintain this rate of your activity for 12 minutes, how much of the activity would you be able to complete?
For [tex]x=12[/tex]: [tex]y = f(12)=20\cdot 12 = 240[/tex]
240 suburis
8. How long would it take you to reach 100 for the number of times you did your activity?
5 minutes.
9. Which representation do you believe is the best way to share this information with someone else? This is your opinion. No answer is right or wrong.
The function is the best because it describes all the variables easily.
A.______number on the right of zero has an opposite on the left of zero.
B.________ is neither positive nor negative.
C. Integers are______
and negative numbers.
D. A number line is used to represent____
E. Numbers greater than zero are called ______
F. Numbers smaller than zero are called______
please help me guys
Answer:
1. A positive
2. 0/zero
3- Positive
4- Positive and negative numbers
5- Positive numbers
I'm not too sure but I hope this helps.. you can wait for another answer to be sure
Can someone please help? U get points just from typing and I would really appreciate it.
The sum of two consecutive numbers is 131. What are the two numbers?
A. 64 and 65
B. 64 and 67
C. 65 and 66
D. 130 and 131
No links or fake answers pls. Thank you for understanding.
Answer:
C
Step-by-step explanation:
Consecutive numbers are directly next to each other on the number line, so B is already out of the question. Add each pair together to see which one is 131.
Answer:
C. 65 and 66
Step-by-step explanation:
Let x be first number
Then x + 1 be next number
x + (x + 1) = 131
2x + 1 = 131
2x = 130
x = 65
x + 1 = 66
I NEED HELP ASAP ⚠️⚠️
If 1 is a solution to g(x) = 0, what is the other solution?
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Answer:
A. -1
Step-by-step explanation:
The table shows that g(x) = 0 for x = -1. (third row)
The other solution is x = -1.
If d(4)=68. Thus, joe travels 68 mi in 4 hours. How many mi does Joe travel in 45 min
Answer:
12.75 miles
Step-by-step explanation:
Changing hours to minutes
4 hours 4*60 = 240 minutes
Now we can use a ratio to solve
68 miles x miles
------------- = -----------------
240 minutes 45 minutes
Using cross products
68*45 = 240x
Divide each side by 240
68*45 /240 = x
12.75 miles
Answer:
12.75 MILES
Step-by-step explanation:
if he travels 68 miles in 4 we should find how many miles per hour
to find this we divide 68/4 which is 17
So if he is going 17 MPH then to find how far he travels in 45 min we should multiply by 3/4
17 x 3/4 is 12.75
12.75 MILES
What is the volume of this rectangular prism? All dimensions are in centimeters.
40 cm3
80 cm3
22 cm3
11 cm3
Answer:
Volume = 40
Step-by-step explanation:
Formula for Volume: Volume = w*h*l
Plug in the values: Volume = 5*4*2
Volume = 40
What is 3/x - 2/x = 1/5
Answer:
x=5
Step-by-step explanation:
See image below:)
What did she do wrong??
Answer:
She did nothing wrong
