# Posts by J

Total # Posts: 1,028

Math
In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students at random to ...

biostatistics
figured it out

biostatistics
Rheumatoid arthritis (RA) is a chronic disease that affects synovial joints. About 1% of the world population suffers from this disease. A synovial test for the presence of the anti-citrullinated protein antibodies is commonly used when rheumatoid arthritis is suspected. This ...

Chemistry
Really appreciate it! Thanks for the break down.

Chemistry
I get that you're supposed to balance; however, I was confused on how to do the reduction and oxidation electron equations (the simplist way). Looked at too many examples online but nothing was clear. 1) Cu + HNO3 ? Cu(NO3)2 + NO2 + H2O 2.) KMnO4 + H2SO4 + FeSO4 ? MnSO4 + ...

physical science
Which description does the phrase "mechanical advantage" most closely relate to? A. The same amount of work using less force. B. The same amount of power using less work. C. The same amount of work using less power. D. The same amount of power using less pulleys.

science
Recall from previous activities in this lesson which era is sometimes referred to as the Age of Mammals. Locate and click on this section of the geologic time scale, and list the other possible names that could have been used to describe this era, and why?

math-precalculus
A Ferris wheel is 50 meters in diameter and boarded from a platform that is 1 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 6 minutes. How many minutes of the ride are ...

math-precalculus
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 73 and 87 degrees during the day and the average daily temperature first occurs at 8 AM. How many hours after midnight, to two decimal places, does the ...

Algebra
A \$4,000 principal is invested in two accounts, one earning 3% interest and another earning 4% interest. If the total interest for the year is \$126, then how much is invested in each account?

American Government
Yup it was B. 1. ABC 2.C 3.BC 4.B

7th grade ss unit 1 lesson 13 test
I am stuck on the test ss 2b one the lesson 13 test Why is mining important to the economy of the Untied states? I but mineral I am so stuck on this test

math
1:1

math

MINNESOTA STUDIES
THESE ARE ALL RIGHT ANSWERS :o cool

Social Studies
1. C 2. D 3. D 4. B

Science
What is methanol?

math
One side of triangle is 5 more than 2 times the shortest side. The third side is 23 feet more than the shortest side. The perimeter is 72. Find all three sides.

Math
The land area of Statesville, NC, is 20.5 square miles. If the entire US population (currently about 320.2 million) were put inside the city limits of Statesville, determine the number of square feet that each person would have. Round your answer to two decimal places. [Hint: ...

Math
You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for \$2.89 a pound, which is cheaper than your usual neighborhood store, which sells it for \$2.99 a pound. Is it worth the extra drive? First, determine what ...

Math
A 6 inch personal pizza has 630 calories, with 240 of those from fat. A 16 inch pizza is cut into 8 slices. Estimate the number of calories in one slice of a 16 inch pizza.

Math
It takes a hose 4 minutes to fill a rectangular aquarium 8 inches long, 9 inches wide, and 14 inches tall. How long will it take the same hose to fill an aquarium measuring 24 inches by 27 inches by 31 inches?

French
I think for the most part I have most right. I need help with all. Possibly by sunday night then to make it easy.

French
I have until sunday evening. Thankyou. It is quite a lot. I apologize but your work has been very helpful the past couple of times!

French
Can you fix any grammar I may have done wrong. Help Mme! Merci beaucoup. ______________________________________ 1. In the beginning of the film, the Magesty Cordelia talked to Joliterax about how Caesar almost annihilated the British army. *** Au début du film, la ...

science
calculate the moles of oxygen atom in 6.2 g of calcium carbonate?

math

Anon was right! 100%

math
If a gallon of milk costs \$3.00, how many gallons could be bought with \$42.00?

AP Calculus
Ship A is sailing due west at 8km/hr when it sees ship B northwest of its present position. If ship B is sailing due south at 3km/hr, then how close will they come on their courses?

Physics
figured it out nvm

Physics
A row of seats is parallel to a stage at a distance of 8.70 m from it. At the center and front of the stage is a diffraction horn loudspeaker that has a width of 7.50 cm. The speaker is playing a tone at a frequency of 9600 Hz . The speed of sound is 344 m/s. a. What is the ...

SS
google your prob a 40 year old on google look up stuff how did you get here and Your trash at combacks Dusty bih boi made looking ass

Algebra
My answer was A for #5 forgot to put a star

Algebra
For questions 1-5 solve the equation. 1.-2v-7=23 (A)15 (B)8 ? (C)-8 (D)-15 2. X/3-10=-12 (A)-6 (B)-66 (C)6 (D)66? 3. d/3+10=7 (A)51 (B)20 ? (C)0 (D)-9 4. 2(2-2x)=-3x (A)-4 (B)4 ? (C)6 (D)0 5. 2.9n+1.7=3.5+2.3n (A)3 (B)-3 (C).3 (D)1 For questions 6-7, Simpifly the expression. 6...

Chemistry
A laboratory technician wants to determine the aspirin content of a headache pill by acid–base titration. Aspirin has a Ka of 3.0 × 10-4. The pill is dissolved in water to give a solution that is about 10-2 M and is then titrated with KOH solution. Find the pH at ...

Chemistry
Determine the mass of NH2CH2CO2Na and the volume of 0.150 M HCl solution required to make 1.35 L of a buffer solution at pH=10.75 and at a total concentration of 0.33 M. pKa(NH2CH2CO2H)=9.88. a.Mass of NH2CH2CO2Na: b. Volume of HCl solution: Hi Im sooo confused. 9.88=10.75+log...

American Government
Thats all right!

Chemistry
Give a simple test that would allow you to distinguis between the following pairs of anions. Tell what you would do and what you should observe for each anion. A. CO3^2- and SO4^2- B. Cl- and SO4- C. CO3^2- and Cl- Now, for each cation A. B^3+ and Ca2+ B. Ca^2+ and Sr+ C. Ca^2...

civics
Object-to-New-Local-Government-Laws I found this in wikihow but I don't know if it will help also it doesn't let me post the full website I'm sorry

university physics
m1v1i+m2v2i=(m1+m2)vf Hope this helps :)

Chemistry
Use two concentration tables to calculate the concentrations of the species present in a 0.0400 M solution of CsBrO. a.[HBrO] b.[BrO-] = 0.0400M c. [H3O+] d.[OH-] hi. how would I attempt this problem. can you walk me through it or give me a hint.

Chemistry
For a 0.47 M solution of LiClO compute the pH. Hi. I am confused about this question. I calculated the pH...but my answer is wrong. what am I doing wrong??? pH=-log(0.47) pH=0.33

Math
The stockholders’ equity at the beginning of the period was \$200,000; at the end of the period, assets were \$255,000 and liabilities were \$40,000. If the owner made no additional investments or paid no dividends during the period, did the business incur a net income or a ...

Health!
There is statistics about suicide in general but I could not find any on antisocial personality disorder!

Health!
Statistics of Suicide regarding Antisocial Personality Disorder

HISTORY HELP
Little helper is right

criminal justice
When we claim that certain moral values or principles (e.g., do not steal) apply or should apply to all people, everywhere, we are saying that some values or principles are:

phyd
How long would it take for a small pebble to fall from the top of the Grand Canyon to its deepest part?

The first 10 A C C B B D C C C B

Wold History
Having a hard time in World History! Please let me know if these are right and if not please tell me the answers! 1. How did the religious beliefs of the ancient Israelites differ from those of other nearby peoples? The Israelites believed in many gods, while other peoples ...

stats
So I think the way the professor wanted to answer this is knowing the empirical rule because its normal 65%= 1 SD 95%=2 SD 98%=3 SD all from the mean Variance of 25 gives us a Standard deviation of 5. 80% is the mean. So moving 2 SD up gives us 90% Its normal and the empirical...

Note: There have been people who set their name as "Ms. Sue" before, and they try to confuse people.

Math
Find three consecutive even integers such that the sum of the smallest and largest is 36

Wold History
Which of the following most directly resulted from the Neolithic Revolution? •Populations increased. •Complex cultures blended. •Religion became less important. 2. Which of the following best describes the emergence of social classes in early civilizations? &#...

math
1.8e+6 in simplest form?

physics
A highway curve forms a section of a circle. A car goes around the curve. Its dashboard compass shows that the car is initially heading due east. After it travels 620. m, it is heading 30.0° south of east. Find the radius of curvature of its path.

American Government
Yes becky right

Algebra II
Let f(x) = 2x − 6. Solve f^−1(x) when x = 2. I think it is 4. f(x) = 2x - 6 y = 2x - 6 x = 2y - 6 +6 + 6 x + 6 = 2y ----- ---- 2 2 x + 6 ----- = y or f^-1(x) 2 x = 2: 2 + 6 8 ----- = --- 2 2 8 --- = 4 2

Social Studies
D correct

Social Studies
B correct

hard core physics
A car is at motion.It horns an hears the echo of the sound after 6 sec.find the speed of the car.

Physics
A 22 kg suitcase is being pulled with constant speed by a handle that is at an angle of 23 ∘ above the horizontal. If the normal force exerted on the suitcase is 150 N , what is the force F applied to the handle? I don't understand how the equations are suppose to be...

Stats
A genetic experiment with peas resulted in one sample of offspring that of 421 green peas 155 yellow peas. Construct a 95% conf. Interval for yellow peas. _<p<_

LA
@Ms.Sue your wrong stop giving everyone the wrong answer it's mrs cratchit like wow

Language Arts
We have 3 days to read the whole book. 1 lesson you have to read 90 pages. Nobody has the time for this.

C A B C D C C B C C B D C A D B D D A D C C D A C B C A A A 100 % Unit 2 Lesson 5

Language Arts
I did, multiple times. Spent continuous hours trying. @Reed

Language Arts
You don't have to type a full answer jut an Idea

Language Arts
Act II of A Christmas Carol: Scrooge and Marley contains several messages. In a paragraph, explain how one of these messages is conveyed in the second act of the play. Include at least two details from the play to support your points: When one person changes for the better, ...

Language Arts, can anyone check?
I got 100%? I don't know why people are arguing???

L.A
Setting the background - C,a,a Chapters 1-2 B&d, C,b,d Chapters 3-5 A,a,d,c Chapters 6-7 B,c,b,b,a,d,c,a,a&c,b Chapters 8-10 C,a,a Chapters 11-12 D,c,d Chapters 13-14 A,b,d Chapters 15-17 A,d,b,a,b,a,c,c&d,c Chapters 18-19 D,c,b,c,a Chapters 20-21 A,d,c Chapters 22-23 C,a,d,b,...

#8 IS RIGHT

Language Arts, check!!!
B,D,A,A are the right answers Zack and wolfie, ruining peoples grade for their benifits

Language Arts, check!!!
Zackary and wolfie are not correct, I had my answers: 1. B 2. D 3. A 4. A and I changed them for b,c,a,d and got 50% Those little guys ruined my grade.

math
7.26

Language Arts
Thanks

Language Arts
The man quickly but carefully opened the oyster’s hard shell. A. quickly B. but C. carefully D. opened I think the answer is B but i am not sure. Can you check this and explain what a conjunction exactly is. Thanks!

Math
This will help you out - 8 x __ = 80 So you can solve this by doing, 80 ÷ 8 = __ So the answer will be ___ Try doing this by yourself now. The answer is 10

math
The whole bottle = 1 = 7/7 7/7 - 3/7 = subtract 7-3 = 4 since the denominator stays the same the answer would be 4/7 Why don't you try this one for practice- 1/4 of the bottle is full. How much is empty?

Statistics
A card is drawn from a well shuffled deck of 52 cards. Find P (drawing an acre or a 9)

you got all right but look at #6 again

Health
yes that is right

PHYSICS
With what maximum speed can an unsecured passenger stay in their seat on a Ferris wheel that has a diameter of 12 m. so, this happens when Fn is zero or mg = mv^2/r. v = sqrt(gr) so is it v=sqrt9.8 what would happen with the 12m

math
the one for bulbs is a and 3. is d

math
the one for bulbs is a and the equation is 12

Microbiology
PLEASE HELP I AM NOT SURE WHAT THE CORRECT ANSWERS ARE: I have guessed them please let me know if they are correct. 1. The LEAST likely microbe to be used as a biological weapon would have which of the following characteristics? a. spread by insect vectors b. spread by ...

Calculus
A rectangle is inscribed in the interior section cut from the parabola x = 1/4 y2 by the line x=3. One side of the rectangle lies on the line. Fine the maximum area of such a rectangle.

Math
Try different methods of teaching. Make teaching fun. For example, you can try creating a game. Hope this helps, this might be a little late. You can also try waiting depending on her age.

math and algebra
on the number line below locate and label the points the represent the rational numbers listed in part (a).Describe the relationship between these two numbers.Zero on the number line represents Isaac's balance before the mistake was made

Science
it is B the hole quick check anwsers are b b a true hope it helpss

English
a is the riht one

They are all right. 8a 9a 10a 11c 12a 13b 14c 15b 16c 17d 18d 19b

PHYSICS
a block is given an initial velocity of 3 m/s up the 22 degree plane. A.) How far up will the plane go B.) How much time elapses before it returns to its starting point. IGNORE FRICTION A) I got 1.2m B.) I got 1.6s I'm confused on this question: Both questions I think go ...

geomertry
i am at connexus and on lesson 10 unit 1 in pre-algebra b. we are at the unit test and i want to know what are the awsers please to 1-18 i have the rest, i just need to check.

Health
I have to say B, but not sure. Just because I read an article on this and it said people in suburbs have a higher probability of getting higher blood pressure due to lack of exercise. However, I do not take this course, so I would suggest looking in your textbook or lesson.

Health
I would agree; lotions, ointments, and ESPECIALLY Vaseline would irritate the burn more.

maths
You just have to look for the pattern. you get 0 when you add -2 and 2, you get 3 when you add 0 and 3, and you get 7 when you add 3 and 4. There is a pattern; every time you make the next term, you raise the number by 1 to add to the previous number. Since the gap between 3 ...

Algebra
Also, when I took this course, my teacher told me to go to google and use a standard deviation calculator to find the standard deviation. You just type in the number sequence and I got: 6.08824003031 which rounded out is 6.1

Algebra
the mean is when you add up all of the numbers and divide the sum by how many numbers are given. 6+7+19+7+18+7= 64 there were 6 numbers given, so now we divide: 64/6= 10.66666667 which rounded out is 10.6, therefore, your answer is C :)

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