Monday

February 8, 2016
Total # Posts: 2,417

**Chemistry**

I have the same question as anonymous person before me so I just copy the question from that person, here is the question please help the two of us! if you have a mixture of sodium chloride and sodium bromide, could you use its conductance to determine the concentration of ...
*January 9, 2013*

**Chemistry**

thank you so much! this make more sense than what my friend try to explain to me!
*January 9, 2013*

**Chemistry**

please help sodium sulfate is soluble in water. How do you expect its conducatance to compare to sodium acetate at the same concentration? explain
*January 9, 2013*

**trig**

how to graph thr trig function f(x)3x-180)+2 and the parent function?
*January 7, 2013*

**heelth: HCA 415**

Look over the definitions of public health in this week’s reading and describe its main features. In your opinion, what two features have had the greatest impact on improving health status and quality of life throughout history? Explain why you selected these features and...
*December 30, 2012*

**math**

1. 6 costumes 2. He doesn't use all of any of them Because you do 1.5*6=9 and you can't have another 1.5 and then you just times everything by 6 and you see that they all work
*December 26, 2012*

**Math**

a textbook page measures 6 inches by 9 inches. there is a margin of uniform width around all four sides of the page leaving 28 square inches for printing. find the width and height of the printing area
*December 25, 2012*

**MATH**

LIST A SET OF 12 NUMBERS THAT HAS THE FOLLOWING: MODE 29, MEDIAN 30, MINIMUM 28 AND MAXIMUM 34.
*December 19, 2012*

**math**

how do you find the zeros of a function?
*December 18, 2012*

**reading**

You know that the " home on the range" is " where the deer and the antelope play." However, on animal in north america fits the true classification of antelope. What does classification means A. Friendliness B. Kind of music C. Particular group D. ...
*December 17, 2012*

**american history**

in 1700 which of the following colonies had the largest slave population relative to its overall population
*December 16, 2012*

**WORLD HISTORY**

does anybody have penn foster answer to the age of discovery to the american experiment
*December 15, 2012*

**math**

In each set of shapes there is one shape that does not belong tell why
*December 10, 2012*

**english**

does this sound write and look grammatically correct? Please and thank you(nohbdy is suppose to be spelled that way) Odysseus was brave from the rest of the crew so he led us into fooling Cyclops. He gave some wine to Cyclops to get him drunk. Then Odysseus, me, and a couple ...
*December 9, 2012*

**english**

thanks
*December 9, 2012*

**english**

does this sound write and look grammatically correct? Please and thank you Odysseus the Curious took us inside a cave to eat. After we ate some cheeses the ugly Cyclops came along with his flock of sheep and rams. He put a gigantic boulder to block the exit of the cave. The ...
*December 9, 2012*

**english**

thanks a ton
*December 9, 2012*

**english**

does this sound right with grammatical errors too Odysseus sent three men to see what the land of the Lotus Eaters, who live on the flower, is about. The three men had gotten fed the Lotus and now they had no desire to go back to the ship or go back home. That is why Odysseus ...
*December 9, 2012*

**english**

Thanks so should i write: The ruined city of Troy was a catastrophic place. There was blood everywhere. Men’s bodies were cut open and infants were crying. The whole city looked on as Poseidon, the god of earthquakes, gave Troy the most disastrous earthquake ever.
*December 9, 2012*

**english**

does this sound and look grammatically correct? The ruined city of Troy looked to be a catastrophic place. There was blood everywhere. Men’s bodies were cut open and infants were crying. The whole city looked as Poseidon, the god of earthquakes, gave Troy the most ...
*December 9, 2012*

**math**

A customer needs 88, 2-inch pipe connectors to complete a project. How many bags of connectors would you recommend the customer purchase if each bag includes 25 connectors? 2 4 25 88 100 176
*December 7, 2012*

**hr**

I tend to stay with my original opinion even after a discussion with others.
*December 7, 2012*

**math perimeter**

susans garden fence goes around the entire garden.the fence is a quadrilateral.all of the sides are equal in lenth.one side measures 15 cm. what is the perimeter of the garden
*December 6, 2012*

**art**

How does the Holy Trinity by Masaccio express the humanist ideals of the15th century Renaissance? Include examples from two other artists from the same era who express the same humanist ideals. Use one example from Gardner’s Art through the Ages and one from the Internet.
*December 6, 2012*

**Linear Programming - Math**

A small software company publishes computer games and educational and utility software. Their business strategy is to market a total of 36 new programs each year, at least four of these being games. The number of utility programs published is never more than twice the number ...
*December 6, 2012*

**math**

How many inches are in a yard? That number divided by two because radius is diameter divided by 2 r = d/2
*December 4, 2012*

**Math (trigonometric identities)**

I was given 21 questions for homework and I can't get the last few no matter how hard and how many times I try. 17. Sinx-1/sinx+1 = -cos^2x/(sinx+1)^2 18. Sin^4x + 2sin^2xcos^2x + cos^4x = 1 19. 4/cos^2x - 5 = 4tan^2x - 1 20. Cosx - sinx - cos^3x/Cosx = sin^2 - tanx 21. ...
*December 4, 2012*

**Math**

A car dealer will sell you the $16,650 car of your dreams for $3,290 down and payments of $331.97 per month for 48 months. What is the APR? (Round your answer to the nearest tenth of a percent.)
*December 4, 2012*

**V/CV OR VC/V PATTERN**

Student
*December 3, 2012*

**Chemistry**

A 1.20g sample of benzoic acid is burned in excess of )2 in a bomb calorimeter immersed in 1300 g of water. The temperature of the water rises from 25 to 30.2 degrees C. The heat of combustion of benzoic acid is -26.4 kJ/g. The heat capacity of water is 4.18. What is the heat ...
*December 3, 2012*

**math**

The area of a table top can be represented by l× w where l is the length and w is the width.What is the area of the table top if l=60 in and w=40 in?
*December 1, 2012*

**7 grade math**

a helicopter blade spend 775 times in 3 mintues find the rate in revolutions per second
*November 27, 2012*

**English**

Identify the italicized phrase in the following sentence.For some reason,Vince didn't like falling in the mud puddle.
*November 26, 2012*

**Chemistry**

If the initial volume is 500. ml at a temperature of 30 C, at a constant pressure, what would the new volume be if the temperature was changed to 50 C?
*November 23, 2012*

**physics **

A snapshot graph of a travelling wave is shown. The wave is travelling to the right at 10.4m/s. What is the amplitude if the maximum displacement is 26.6cm and the total distance travelled by the wave is 18.4m?
*November 20, 2012*

**math**

P=$1000 r=7% t=8 compounded annually
*November 17, 2012*

**social studies**

according to the preamble of the constitution, give at least three reasons why the new constitution is being established?
*November 17, 2012*

**probability**

probability of choosing a red marble is 1/5 also white marble is 3/10 what is the blue marble probability?
*November 15, 2012*

**Chemistry**

If 32.6 g of aluminum is produced, how many moles of aluminum nitrate is reacted?
*November 13, 2012*

**Math**

How can you tell by looking at the coordinates of a point whether the point is on the x axis or the y axis?
*November 11, 2012*

**Math**

thanks for the help
*November 11, 2012*

**Math**

Don't understand the problem can somebody please help me The bottom of the rabbit cage is a rectangle with a perimeter of 118 inches. Let x be the cages width(in inches) and let y be its length (in inches). write an equation for the perimeter the find the intercepts
*November 11, 2012*

**reading **

son needs to use the word idioms in a sentence
*November 8, 2012*

**Chemistry**

Consider the reaction 2H2O(g) --> 2H2(g) + O2(g) deltaH = +483.6 kJ/mol at a certain temperature. If the increase in volume is 32.7 L against an external pressure of 1.00 atm, calculate deltaU for the reaction. (1 L * atm = 101.3 J)
*November 8, 2012*

**algebra**

The dimensions of a playground are 50 feet by 75 feet. You want to double its area by adding the same distance x to the length and width. Find x and the new dimensions of the playground.
*November 2, 2012*

**ENGLISH II HELP PLEASE!!**

pure,fresh real apple juice , packaged to deliver the freshnessof nature straight to you
*October 30, 2012*

**history**

What is a fertile crescent
*October 29, 2012*

**math**

How many equal line segments are needed to make a line of 30 triangles
*October 29, 2012*

**statistics**

determine whether the following formula is a probability distribution P(X)=X/20 for X=1,4,7 AND P(X)=X+0.1 for X=0.24,0.26,0.15
*October 27, 2012*

**statistics**

A lottery offers one $800 prize, one $400 prize, and ten $80 prizes. One thousand tickets are sold at $3 each. Find the expectation if a person buts two tickets. Assume that each ticket can win more than one prize.
*October 26, 2012*

**Please help with math!!**

thanks
*October 23, 2012*

**soicial studys help plz**

the one above me is correct thanks
*October 22, 2012*

**chem 1**

9.70 grams of nitrogen gas are allowed to react with 5.44 grams of oxygen gas. What is the maximum amount of nitrogen monoxide that can be formed? What amount of the excess reagent remains after the reaction is complete?
*October 21, 2012*

**chemiswtry**

in a lab there is a spill of 47.5ml of .500 mol/l NaOH how many grams of Sulfuric acid is needed to neutralizethe spill
*October 18, 2012*

**math**

Amy and Kim found a sale in a sporting goods store. Amy spent $33 on 2 pair of shorts and 3 packages of socks. Kim spent $27 on 1 pair of shorts and 5 packages of socks. How much does one of each item cost?
*October 10, 2012*

**physics**

A mass m1 = 10 kg on top of a rough horizontal table surface is connected by a massless cable over a frictionless wheel to a hanging mass m2 = 5 kg, as shown in the previous problem. In m2 falls 1 m from rest in 1.2 seconds, find the co-efficient of kinetic friction between m1...
*October 8, 2012*

**Finance**

(Bond valuation) A $1,000 face value bond has a remaining maturity of 10 years and a required return of 9%. "The bond's coupon rate is 7.4%. What is the fair value of this bond?
*October 7, 2012*

**Math**

Please find the next THREE numbers in the patterns and explain how you got them: 1) 5, 5/2, 5/4, 5/8, 5/16.... 2) 1, -3, 9, -27, 81... 3) 1/2, 1/2, 3/8, 1/4, 5/32... 4) -9, 101, -999, 10001, -99999...
*October 6, 2012*

**chemistry**

How many moles of Fe2S3 are produced from a 0.4g piece of Fe?
*October 3, 2012*

**ashford university**

i need ant 101 week2 quiz
*October 2, 2012*

**Maths**

How to do factorise ? What is Factorise ? Give me some examples ,please . Thank you !
*September 28, 2012*

**Chem**

Calculate the number of C atoms in 0.185 C6H14O.
*September 28, 2012*

**Pre-Algebra-math**

Mr.jones bought 20 yards of fencing to make pen for dog pen will be in rectangle shape, the fencing comes in 1 yard section, wants the MAXIMUM areafor his dog to run, what dimension will give the pen the biggest space for dog to run?? then what r the dimensions for the maximum...
*September 25, 2012*

**Pre-Algebra-math**

Mr.Jones bought 20 yards of fencing to make a pen for his dog, the pen will be in a retangle shape fencing comes in 1-yard sections,he want the biggest space possible for his dog to run. What are the dimensions of the maximum space of the pen he can get??
*September 23, 2012*

**northwest**

how many 2 1/4 inch pieces can be cut from 6 foot long tape?
*September 23, 2012*

**physics**

A projected space station consists of a circular tube that will rotate about its center (like a tubular bicycle tire) as shown in the figure . The circle formed by the tube has a diameter of about 1.1 km. What must be the rotation speed (revolutions per day) if an effect equal...
*September 22, 2012*

**chemistry**

drysol contains 5g of aluminum chloride hexahydrate in 60 ml of an alcohol base. what is the final strength of drysol
*September 20, 2012*

**math**

a rope is cut into two pieces. one has a length of 37 feet. if the other piece has a length of x what was the total lengh of rope in feet before it was cut?
*September 19, 2012*

**physics**

A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 39.0 m. Next, the student stands at the edge of the pool and uses a ...
*September 14, 2012*

**physics**

A ladder 7.65 m long leans against the side of a building. If the ladder is inclined at an angle of 60.5° to the horizontal, what is the horizontal distance from the bottom of the ladder to the building?
*September 14, 2012*

**earth science**

shelf
*September 13, 2012*

**earth science**

The gently sloping shallow area that extends from the continental shore is the called the continental?
*September 13, 2012*

**physics**

A bullet is fired horizontally from the top of a cliff which is 750 meters high and hits the ground at a horizontal distance of 1660 meters. (Consider air resistance to be negligible
*September 11, 2012*

**physics**

Find the magnitude and relative direction (e.g., NE, NW, SE, SW) of the velocity of an airplane relative to the earth, if the velocity of the airplane relative to the air is 165 km/hr. south to north and the wind velocity is 65 km/hr. at an 50o angle from east to west.
*September 11, 2012*

**math**

Jansen purchased a lot that was 121 feet in width and 360 feet in length. If he wants to build a fence around the entire lot, how many feet of fence does he need?
*September 10, 2012*

**Business**

Analyze and compare both data sets using the data analysis and biases concepts from Chapter 11 of Sekaran & Bougie (2010). Compare only those categories that you find are significant to your analysis in demonstrating whether the US demographics based promotions can or cannot ...
*September 8, 2012*

**physical**

a crate rest on a ramp that makes an angle of tangent with the horizontal.the coefficient of kinetic friction is 0.35 and the coefficient of static friction is 0.45.the inclination of the ramp is slowly increased.(a)find the angle at which the crate starts to slip down the ...
*September 6, 2012*

**Math**

thanks delilah!
*September 5, 2012*

**English**

What are some of the assimilation and marginality in the story Studs Terkel by Stephen Cruz?
*September 4, 2012*

**English**

What are some of the assimilation and marginality in the story Studs Terkel by Stephen Cruz
*September 4, 2012*

**improving vocabulary skills fourth edition**

Chaper 23 page 126. What do i do
*September 3, 2012*

**Math**

bill and amy want to ride their bikes from thier neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster is Amy's average speed fro the entire trip?
*September 2, 2012*

**Physics**

A long jumper takes of at an angle of 20 degrees and a speed of 11.0 m/sec. The max height achieved is 0.722 meters an the max length is 7.94 meters. At what angle and speed would the jumper have to take off to get the same max length, but twice the max height?
*August 31, 2012*

**biochemistry**

A solution was prepared by dissolving 8.0g of solid ammonium sulfate (MW= 132.14, specific volume= 0.565ml/g) in 35ml (i.e 35g) of water. What is the final volume of the solution?
*August 30, 2012*

**prinicples of management**

Scenario: Assume you are the owner-driver of a truck, which transports vegetables overnight from the farmers in Florida to the markets in Atlanta. On the way back you haul whatever goods need transporting in the opposite direction. You have five employees in your office ...
*August 25, 2012*

**biology**

This is cheating! JUST LOOK AT THE NOTES THEY GIVE US! simple as that, trust me!
*August 24, 2012*

**management**

1A 2D 3B 4B 5C Would these answers be correct
*August 22, 2012*

**management**

1. Regarding management and leadership, which statement is most accurate? A. Leaders can be good managers, and good managers can be leaders. B. Leaders aren’t managers, and managers aren’t leaders. C. Leadership and management are entirely unrelated. D. Most ...
*August 22, 2012*

**math**

my present salary is $1,560.00. I was offered a new position at $8.60 per hour with 1 1/2 hrs pay for overtime after 40 hours of work per weeke. How man hours of overtime per week would I need to earn the $390.00 per week.
*August 21, 2012*

**math**

a square is made up of section a and section b. section a is 500 sq ft and section b is 1350 sq ft. what percent of the square is section a.
*August 21, 2012*

**Intermediate Algebra**

State the degree of the following polynomial: -2x4y + xy – y
*August 19, 2012*

**health**

Me too!
*August 11, 2012*

**health**

Actually the answer is B. Page 19: health(dot)gov/dietaryguidelines/dga2010/DietaryGuidelines2010(dot)pdf
*July 28, 2012*

**Math**

There are 6 pairs of black socks and 6 pairs of white socksWhat is the probability to pick a pair of black or white socks when 2 socks are selected randomly in darkness?M
*July 27, 2012*

**healthcare management**

œ Differences in communication processes used in crisis situations, including what you learned from the situations in the scenario and how you might incorporate that knowledge to improve health care communication strategies
*July 26, 2012*

**math**

what%is 234 of 450
*July 26, 2012*

**STATISTICS(NEED HELP PLEASE?)**

Consider the following set of data. (25, 6), (25, 51), (62, 34), (84, 15), (112, 57), (122, 14) (a) Calculate the covariance of the set of data. (Give your answer correct to two decimal places.) 40.17 (b) Calculate the standard deviation of the six x-values and the standard ...
*July 25, 2012*

**math grade 12**

2. An isotope of sodium has a half-life of 15 h. A sample of this isotope has a mass of 2 g. a. [2] Find the mass equation that remains after t hours. b. [1] Find the mass that remains after 5 hours, to the nearest hundredth. c. [2] How long, to the nearest hour, will the ...
*July 24, 2012*