Saturday
December 10, 2016

Posts by j

Total # Posts: 981

Physics
figured it out nvm
December 9, 2016

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 ...
December 9, 2016

Algebra
My answer was A for #5 forgot to put a star
December 2, 2016

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...
December 2, 2016

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 ...
November 17, 2016

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...
November 16, 2016

American Government
Thats all right!
November 15, 2016

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...
November 15, 2016

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
November 15, 2016

university physics
m1v1i+m2v2i=(m1+m2)vf Hope this helps :)
November 14, 2016

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.
November 14, 2016

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
November 13, 2016

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 ...
November 10, 2016

Health!
There is statistics about suicide in general but I could not find any on antisocial personality disorder!
October 21, 2016

Health!
Statistics of Suicide regarding Antisocial Personality Disorder
October 21, 2016

HISTORY HELP
Little helper is right
October 19, 2016

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:
October 17, 2016

phyd
How long would it take for a small pebble to fall from the top of the Grand Canyon to its deepest part?
October 11, 2016

PLEASE HELP HISTORY
The first 10 A C C B B D C C C B
October 5, 2016

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 ...
September 22, 2016

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...
September 15, 2016

Math
Find three consecutive even integers such that the sum of the smallest and largest is 36
September 14, 2016

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? &#...
September 13, 2016

math
1.8e+6 in simplest form?
September 12, 2016

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.
September 7, 2016

American Government
Yes becky right
August 19, 2016

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
August 18, 2016

Social Studies
D correct
August 16, 2016

Social Studies
B correct
August 15, 2016

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.
July 27, 2016

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...
June 16, 2016

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<_
May 29, 2016

LA
@Ms.Sue your wrong stop giving everyone the wrong answer it's mrs cratchit like wow
May 23, 2016

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.
May 18, 2016

Language Arts
I did, multiple times. Spent continuous hours trying. @Reed
May 11, 2016

Language Arts
You don't have to type a full answer jut an Idea
May 11, 2016

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, ...
May 11, 2016

Language Arts, can anyone check?
I got 100%? I don't know why people are arguing???
May 1, 2016

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,...
April 28, 2016

Science (please check Ms. Sue)
#8 IS RIGHT
April 27, 2016

Language Arts, check!!!
B,D,A,A are the right answers Zack and wolfie, ruining peoples grade for their benifits
April 25, 2016

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.
April 25, 2016

Language Arts
Thanks
April 18, 2016

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!
April 18, 2016

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
April 17, 2016

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?
April 17, 2016

Statistics
A card is drawn from a well shuffled deck of 52 cards. Find P (drawing an acre or a 9)
April 7, 2016

Check my answers for drivers education please!
you got all right but look at #6 again
March 31, 2016

Health
yes that is right
March 31, 2016

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
March 23, 2016

math
the one for bulbs is a and 3. is d
March 22, 2016

math
the one for bulbs is a and the equation is 12
March 22, 2016

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 ...
March 21, 2016

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.
March 17, 2016

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.
March 16, 2016

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
March 4, 2016

Science
it is B the hole quick check anwsers are b b a true hope it helpss
February 29, 2016

English
a is the riht one
February 26, 2016

English (Check Answers Please!)
They are all right. 8a 9a 10a 11c 12a 13b 14c 15b 16c 17d 18d 19b
February 25, 2016

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 ...
February 24, 2016

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.
February 24, 2016

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.
February 18, 2016

Health
I would agree; lotions, ointments, and ESPECIALLY Vaseline would irritate the burn more.
February 18, 2016

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 ...
February 18, 2016

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
February 18, 2016

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 :)
February 18, 2016

Science
I agree with all of your answers! :)
February 18, 2016

Math
I am not going to give you the exact answers, for that would be cheating, but I will give you some answers and let you use the information to form the explicit formula. It is an arithmetic sequence. Each year, the houses money value goes down by 15,000 dollars. by the time it ...
February 18, 2016

science
forgot that last calculation :)
February 18, 2016

science
@Chanz, oops my bad, you are correct. Vf-19.6 m/s= (9.8 m/s/s)(5 s) Vf-19.6 m/s = 49 m/s Vf= 68.6 m/s
February 18, 2016

science
t=19.6/2 v=5 * 9.8 =49 m/s
February 18, 2016

Math
I agree, all you have to do is type in your calculator 1000 x 1.5, then move the decimal to the left 2 times and you get 15 dollars
February 18, 2016

Geometry
True; that would be called an isosceles trapezoid.
February 18, 2016

Chem
joules needed to melt 30.0 g of ice at 0 ∘C and to warm the liquid to 60.0 ∘C so i did Q=mFf which i set up like 30.g x 334 j/c = 10020 J then i'm sorta confused what i'm doing next. explain in detail please?
February 15, 2016

Social Studies
How does recycling influence culture
February 7, 2016

READING ASAP ASAP PLEASE HELP ME!!!!!!!!!!!!!!!!!!
the girl that has no friends is tottaly right
January 25, 2016

Language
i believe it is C.
January 17, 2016

Math
thank you
January 15, 2016

math
according to the triangle inequality, the length of the longest side of a triangle bust be less than the sum of the lengths of the other two sides. the two shortest sides of a triangle measure 3/10 and x + 1/5 and the longest measures 3/2x. write an inequality that uses the ...
January 15, 2016

Math
j
January 8, 2016

International business
critically evaluate this statement 'an international retailers preferred market entry method directly affects its market Selection decisions
December 17, 2015

Math
11
December 9, 2015

math
If it takes a lawn company 5 hours to cut 6 lawns, how many yards can be cut in 12.5 hours?
December 9, 2015

Child Development and Human Behavior
. Which of the following factors helps a child develop a positive self-concept? A. Material wealth B. The sex of the child C. Family relationships D. Conflicts with teachers
December 8, 2015

civics
@Reed I think #1 would be A, #3 would be C, and #2 would be B. Am I correct now?
December 2, 2015

civics
Please check my answers! 1. The Nineteenth Amendment granted women the right to vote, but women had been fighting for years for this right. Before the Nineteenth Amendment was passed, which existing amendment could women have used to argue that they should have the right to ...
December 2, 2015

History
Yes, C.
November 30, 2015

Chemistry
If you want to prepare 2.0 liters of a .25 M solution of NH4Cl, how many grams of the salt should you weigh out?
November 29, 2015

Chemistry
Assume you have prepared 100.0 mL of a buffer solution using 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium acetate. The pH of this buffer solution is initially 4.74. After preparing this buffer solution, you added 55.0 mL of a 1.10 M NaOH solution to your ...
November 26, 2015

Chemistry
A chemist needs to prepare a buffer using the carbonate system (information in the table in the previous quetion) with a final pH of 10. Which components should they mix in water to product this buffer? Question options: H2CO3 HCO3- CO32-
November 26, 2015

Chemistry
A chemist needs to prepare a buffer using the carbonate system (information in the table below) with a final pH of 6. Which components should they mix in water to product this buffer? H2CO3 HCO3- CO32- pKa 6.35 10.33 N/A
November 26, 2015

Chemistry
The pH of a buffer can be predicted using the Hendersen-Hasselbach equation: pH=pKa+ log([conjugate base][conjugate acid]) The choice of the conjugate acid-base pair (as you did in the previous questions) determines the pKa value to be used in the H-H equation. By varying the ...
November 26, 2015

Help Math PLZ
deez nuts is right! 10/10!
November 22, 2015

Science
A 6.90-g sample of solid NiSO4·6H2O was heated such that the water turned to steam and was driven off. Assuming ideal behavior, what volume would that steam occupy at 1.00 atm and 100.0 °C?
November 19, 2015

Math
Quinn
November 3, 2015

precalc
Solve in radians. 1) sin2X = 1/2 2) tan2 (X + pi/2) = 1 3) 5 - 3sec (X - pi/4) = -1
October 27, 2015

Physics
A boat moving at 5 mi/h is to cross a river in which the current is flowing at 3 mi/h. In what direction should the boat head to reach a point on the other bank of the river directly opposite the starting point?
October 7, 2015

jones
What is greaterthan 40 and less than7 tens
October 5, 2015

geometry
I need help to did anyone answer this
September 25, 2015

Science
no it is true not false
September 24, 2015

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