Friday

January 20, 2017
Total # Posts: 982

**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?

*January 9, 2017*

**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*

**math**

7.26

*April 18, 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*

**math**

@Ms.Sue how are you going to say that when i see you everywhere giving your "students" the answers

*February 8, 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*

**International business**

critically evaluate this statement 'an international retailers preferred market entry method directly affects its market Selection decisions

*December 17, 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*