Friday

May 29, 2015

May 29, 2015

Total # Posts: 2,266

**science**

What happens when a warm humid air mass meets a cold dry mass?
*May 27, 2015*

**Chemistry check my answers **

Please check my answers For each of the 7 reactions in this experiment, write a balanced equation and classify it as a synthesis, decomposition, single replacemnt, neutralization, or double replacement reaction. Reaction 1 1)Adjust a burner flae to high heat 2)using crucible ...
*May 25, 2015*

**Business Statistics**

The Bureau of Labor Statistics’ American Time Use Survey showed that the amount of time spent using a computer for leisure varied greatly by age. Individuals age 75 and over averaged 0.30 hour (18 minutes) per day using a computer for leisure. Individuals ages 15 to 19 ...
*May 5, 2015*

**health**

Healthy pregnant and postpartum women should get at least ________ of moderate-intensity aerobic activity a week.
*May 5, 2015*

**Computer Science**

Create a program that allows a user to select one of the following four menu options: a. Enter New Integer Value b. Display Pointer Address c. Display Integer Address d. Display Integer Value For this program you will need to create two variables: one integer data type and one...
*May 4, 2015*

**Science**

On what sides does a "bulge" in the earth's oceans appear on the earth?
*May 3, 2015*

**Physics Help Please**

Scientists at Oak Ridge National Laboratory confirmed the existence of element 104 by creating 3000 atoms of it. If radioactive decay caused the number of atoms to drop by half within 4.0 s, how many atoms were left after 12 s? Show work please! Thank you!
*May 2, 2015*

**social studies**

for revolutionaries like sam adams,the term------embraced a way of life, a core ideology, and an uncompromising commitment to liberty and equality
*May 2, 2015*

**chemistry**

Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank ...
*April 30, 2015*

**chemistry **

CH4 (g) + 2 O2 (g) --> CO2 (g) + 2 H2O (g), (triangle)H rxn =-802.3 kj How much heat is produced by the complete combustion of 237 g of CH4?
*April 29, 2015*

**chemistry**

Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank ...
*April 29, 2015*

**chemistry**

Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank you
*April 29, 2015*

**math **

35 percent of the total length of the screen at the movies is 51.8 feet. What is the total length of the screen? Please give full details.
*April 28, 2015*

**MATH**

35 PERCENT OF THE TOTAL LENGTH OF THE SCREEN AT THE IMAX IS 51.8 FEET. wHAT IS THE TOTAL LENGTH OF THE SCREEN?
*April 28, 2015*

**MATH**

IF THE LOAN IS FOR $18000 AND THE INTEREST RATE IS 6.5%. iF THE INTEREST PAID IS $4680.0 HOW MANY MONTHS IS THE LOAN FOR?
*April 28, 2015*

**chemistry**

In a 1.00 L container at 272 degrees C 1.3 mol of N2 and 1.65 mol of H2 are added at equilibrium 0.100 mol NH3 is present calculate the equilibrium concentrations of N2 and H2 2NH3(g)<-->N2(g)+3H2(g)
*April 24, 2015*

**Chemistry**

2H2S(g)+3O2(g)<-->2SO2(g)+2H2O SO2(g)+Cl2(g)<-->SO2Cl2(g) I balanced so how do I find the overall equation
*April 20, 2015*

**differniate**

f(x)= (12x-18x^4+3)/(5ã6x^2-11x^4+2)
*April 20, 2015*

**Science**

*Round answer to 2 decimal places.*
*April 15, 2015*

**Science**

A student is walking at 3.3 meters per second along a straight sidewalk. At a time of 6.8 seconds his position is at 19.7 meters right of the starting point. Later, the student is 52.5 meters to the right of the starting point. What was the time that the student walked to get ...
*April 15, 2015*

**chemistry**

d(g)--->3/2 e(g)+5/2 f(g) when e increases by .25 mol/l*s how fast is f increasing
*April 14, 2015*

**science**

how many seconds does it take for Mercury to go from 0 degrees Celsius to 300 degrees Celsius? 1. 5 seconds 2. 10 seconds 3. 30 seconds 4. 357 seconds
*April 8, 2015*

**Algebra**

12. Determine if the following is a conjuction or disjunction. y + 4 < -1 or y + 2 > 8 (Points : 1) 13. State how you determined if the combination above was a conjunction or disjunction. (Points : 2) 14. Solve the problem. (Hint: You should have two answers). y + 4 <...
*April 7, 2015*

**Statistics**

In the past year, Jack's Pizaa Resturant grossed more than $1500 a day for about 83% of its business days. Suppose 8 days are randomly selected, approximate the probablity that exactly 6 days will gross more than $1500 in a day.
*March 31, 2015*

**chemistry**

what is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C at 1 atm
*March 29, 2015*

**chemistry**

What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C at 1 atm
*March 29, 2015*

**chemistry**

What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C at 1 atm
*March 29, 2015*

**chemistry**

What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C
*March 29, 2015*

**fluid mechanics**

A dam has been constructed of a large cylindrical pipe 10ft in diameter an 3ft long. Calcualte the net vertical and horizontal components of the fluid(water) force on this dam.
*March 22, 2015*

**fluid mechanics**

A dam has been constructed of a large cylindrical pipe 10ft in diameter and 3ft long. Calculate the net vertical and horizontal components of the fluid(water) force on this dam.
*March 22, 2015*

**chemistry**

A proton in a linear accelerator has a de Broglie wavelength of 138pm . What is the speed of the proton?
*March 20, 2015*

**economic**

1) Explain the meaning of the notation [a, b, r, w] used in Bayes Theorem 2) Explain how the (r, w) probabilities determine the quality of information: for perfect, worthless, and imperfect better than pure chance information
*March 19, 2015*

**Finance**

As an investor, you are considering an investment in the bonds of the Conifer Coal Company. The bonds, which pay interest semiannually, will mature in 8 years, have a coupon rate of 9.5% on a face value of $1,000. Currently, the bonds are selling for $872. a. If you required ...
*March 10, 2015*

**chemistry**

how many liters of SO2 measured at STP are produced in the reaction of 6.27 kilogrrams with 234 Liters of O2 at 220 degrees celsius and 2 atm?
*March 8, 2015*

**Math**

Help plzzzz😖😖😖😖😖
*March 2, 2015*

**Math**

Sam rolls a strike in 6 of the 10 frames of bowling What is the experimental probability that Sam will roll a strike in the first frame of the next game ? Explain why a number cube would not be a good way to simulate this situation Please help !!!!😖
*March 2, 2015*

**math**

The coach uses a scale drawing of the soccer field. the diagram uses a scale of 1/4 inches : 30 feet.What are the actual dimensions? What is the length and width of the field? What us the area of the field?
*February 26, 2015*

**precalculas**

-x+4x-2 list all levels of concavity
*February 24, 2015*

**Phsyics**

How much heat is required to raise the temperature of a 4.1-kg block of steel by 64 K? (The specific heat of this steel is 450 J/kg · K.)
*February 18, 2015*

**science**

What effects or potential effects do technologically based communication modalities between patients and health carer providers and between health care providers only have on health care cost
*February 16, 2015*

**Physics**

Two objects of same material are travelling near you. Object A is a 1.5 kg mass traveling 13.5 m/s; object B is a 2 kg mass traveling 5 m/s. Which object would make you feel worse if you are hit by it? 1. B 2. A 3. Unable to determine 4. the same
*February 14, 2015*

**government**

what court hears specific cases?
*February 14, 2015*

**criminal investigations**

why advances are paramount to the historical evolution of criminal investigations
*February 11, 2015*

**Physics**

Please someone help me. This is due in 30mins
*February 9, 2015*

**Physics**

Using the conservation of momentum law.
*February 9, 2015*

**Physics**

How do I find the recoil velocity of the earth immediately after the popper popped?
*February 9, 2015*

**Physics**

A constant force is exerted for a short time interval on a cart that is initially at rest on an air track. This force gives the cart a certain final speed. Suppose we repeat the experiment but, instead of starting from rest, the cart is already moving with constant speed in ...
*February 6, 2015*

**ela**

Is there such a word as poetries?
*February 5, 2015*

**Algebra**

Sarah mixes cashews that cost $9.00 per pound with 50 lb of peanuts that cost $5.00 per pound. How many pounds of cashews should she mix to make a nut mixture that cost $6.50 per pound?
*February 4, 2015*

**Algebra 1B**

Explain and provide an illustrative example of factoring a trinomial.
*February 4, 2015*

**Algebra 1B**

Factor the following equation: 3y^3-9y^2+4y-12 Thanks for the help!
*February 4, 2015*

**Algebra 1B**

Find the Greatest Common Factor of: 6x^4-12x^3 Thanks for your help!
*February 4, 2015*

**Math**

.85km/s=m/min
*February 1, 2015*

**fin**

what are the reason behind m&a waves of the 1980 and 1990
*January 30, 2015*

**Math**

What is -a^-2 if a equals -5
*January 28, 2015*

**law**

how they can determine whether or not the jury's decision was right or wrong. Does it come down to matter of opinion by the judge? Is it biased? How does that work with posttrial motions.
*January 24, 2015*

**Law**

I need help understanding diversity of citizenship
*January 23, 2015*

**law/history**

when the supreme court makes a law is there a way to appeal their decision?
*January 23, 2015*

**physics**

A boy on a 1.9 kg skateboard initially at rest tosses a(n) 8.0 kg jug of water in the forward direction. If the jug has a speed of 2.7 m/s relative to the ground and the boy and skateboard move in the opposite direction at 0.65 m/s, find the boy’s mass. Answer in units of kg
*January 23, 2015*

**physics**

A(n) 0.364 kg soccer ball approaches a player horizontally with a speed of 19.7 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 22.4 m/s. What is the magnitude of the impulse delivered to the ball by the ...
*January 23, 2015*

**Law**

Is there a limit to the different types of arbitration one can go through before taking a case to trial? My answer is no. why? because if you don't agree the first time when seeking a arbitration than you'r chances of coming to a conclusion are again aren't high. ...
*January 22, 2015*

**LAW**

what's the easiest way to explain the sliding scale.
*January 22, 2015*

**LAW**

Once a supreme court makes their decision and it becomes law is there anyway of appealing their decision since they are the "top dog" in the courts?
*January 22, 2015*

**Math**

Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...
*January 21, 2015*

**Math**

Thomas was making iced tea with his mother. the recipe called for 1/2 a cup of sugar. However, Thomas and his mother wanted to cut the recipe in half. How much sugar should they add into the recipe? Would the answer be 1/4.
*January 21, 2015*

**Math**

Kara Maria poured herself a glass of 16 ounces of water. She drank 1/2 of her water in the morning. At lunch time she took the remaining water and drank 1/2 of that. How much water did she have left/ Would my answer be 1/4.
*January 21, 2015*

**polynomial**

Find the polynomial in X where zeros are -2, -1 and 3. Please someone help me with this. Thanks
*January 19, 2015*

**Algebra 1a**

Will someone please help me with the answer to the following: Simplify x^2*x^3*x^4 Thanks!
*January 18, 2015*

**Algebra 1a**

Will someone please help me with the answer to the following: Simplify: (xy)^-3/(x^-5y)^3
*January 18, 2015*

**Algebra 1a**

Simplify (xy)^-3/(x^-5y)^3
*January 18, 2015*

**Mat 116 - Algebra**

I need to simplify this equation
*January 18, 2015*

**Mat 116 - Algebra**

Simplify (2x)^3 Thanks for the help!
*January 18, 2015*

**math**

how to slove 35cents:$2.25 in ratio
*January 14, 2015*

**algebra**

a ten foot board has been cut in to 2 pieces, one of the board is x feet long express the other board in terms of x
*January 11, 2015*

**Physics **

The linear impulse delivered by the hit of a boxer is 97.7 N·s during the 0.368 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? Answer in units of N.
*January 11, 2015*

**Algebra 1a**

I am working with Systems of Linear Inequalities and need to find the point where the lines meet to label my graph. -9x-3y<27 and 8y+9y>=72 Thanks!
*January 10, 2015*

**Algebra 1a**

-3x-7y<21 and -7x-9y<63 I need to label the intersection on the graph where these two points meet
*January 8, 2015*

**physics**

A bungee jumper of mass 75 kg uses a bungee cord with a relaxedlength of 50 m and jumps from a bridge that is 170 m above the ground. What elastic force constant is necessary for the bungee cord in order for him to jump safely. I have no idea what to do or even start this ...
*January 4, 2015*

**math**

9 more than 5 times a number is that number increased by 45
*December 9, 2014*

**math**

Nine more than five times a number is that number increased by 45
*December 9, 2014*

**Goverment**

The governor of Texas has A. strong formal powers granted by the Texas Constitution. B.few formal powers, so the office is one of the weakest of the chief executives in the United States. C.the power to appoint all of the other officials in the executive branch. D.the power to...
*December 8, 2014*

**finacial**

Charlie Company is expected to grow at an annual rate of 6% indefinitely. The return on similar stocks is currently 11%. Charlie board of directors declared a dividend of $1.85 yesterday. What should a share of Charlie Company sell for?
*December 8, 2014*

**general question**

Prospective employers can legally select employees based on the applicant's? a.age b.education c.disabilities d.gender I am thinking B is the correct choice?
*December 6, 2014*

**Pyhsics **

A) On planet X, an object weighs 19.2 N. On planet B where the magnitude of the free-fall acceleration is 1.17 g (where g = 9.8 m/s2 is the gravitational acceleration on Earth), the object weighs 34.9 N. The acceleration of gravity is 9.8 m/s2 . What is the mass of the object ...
*November 28, 2014*

**Statistics**

For the following set of scores, fill in the cells. The mean is 70 and the standard deviation is 8. Raw score Z score 68.0 ? ? –1.6 82.0 ? ? 1.8 69.0 ? ? –0.5 85.0 ? ? 1.7 72.0 ?
*November 26, 2014*

**probation and parole**

Halfway houses: A. can be “halfway in” or “halfway out.” B. can be used for probation/parole violators. C. often encounter community opposition. D. all of the above My answer: I believe it is A The "interstate compact" provides for: A. offender ...
*November 25, 2014*

**probation and parole**

Yes halfway houses is D I finally found it in my text book :) it's all of the above.
*November 25, 2014*

**probation and parole**

For the halfway houses then I think it's D
*November 25, 2014*

**probation and parole**

Oh okay! what about this : The "interstate compact" provides for: A. offender employment. B. travel expenses for interstate travel. C. federal agents to apprehend absconders. D. none of the above My answer: D
*November 25, 2014*

**probation and parole**

Thank you ^^ !
*November 25, 2014*

**probation and parole**

Halfway houses: A. can be “halfway in” or “halfway out.” B. can be used for probation/parole violators. C. often encounter community opposition. D. all of the above My answer: I believe it is A
*November 25, 2014*

**probation and parole**

1. Alcoholics Anonymous (AA): A. recognizes that preaching abstinence is most effective in helping alcoholics. B. was founded by two men who were alcoholics. C. can be quite costly to participants. D. none of the above 2. All of the following statements about the therapeutic ...
*November 25, 2014*

**Math. (Check Answers) STUCK**

Thanks @Ms.Sue So the answer will be positve.. and did I get the first one incorrect?
*November 25, 2014*

**Math. (Check Answers) STUCK**

HI, I'm stuck on two questions(: Round the number to the thousandths place. 97093.113469 Is it 97093.113 < -- ? 97093.112 97093.114 97000 Without multiplying, determine the sign of the product. (19)(-2)(37)(-0.8)(112) Postive Negative <-- ? The product is zero
*November 25, 2014*

**chemistry**

Find the percentage of water in Na2CO3*2H2O?
*November 19, 2014*

**chemistry**

9.03 of Mg combine completely with 3.48g of N to form compound. what is the percent composition of each element in this compound?
*November 19, 2014*

**chemistry**

29.0g Ag combine completely with 4.30g S to form a compound. what is the percent composition of each element in this compound
*November 19, 2014*

**math**

Patricia donated 1 pint of blood to the blood bank. The lab assistant divided Patricia’s blood equally into 3 bags. How much blood was in each bag
*November 18, 2014*

**math**

4 multiple choice questions with 3 possible answers. What is the probability of answering the first, third, and fourth question correctly? 1/3 x 1/3 x 1/3 1/3 = 1/81
*November 16, 2014*

**Business**

Thank you again Ms. Sue!
*November 16, 2014*