Tuesday

July 7, 2015

July 7, 2015

Total # Posts: 82,688

**pre calculus **

Given that sinx= 3/5 and that x terminates in Quadrant 2 , determine the values for cosx and tanx Find Cos x/2
*May 11, 2015*

**math**

In a camp ,there is a meal for 120 men or 200 children . if 150 children have taken the meal, how many men will be catered to with remaining meal
*May 11, 2015*

**math**

population increasing at rate of 5% per year current population 7,000,000 what will it be in 12years
*May 10, 2015*

**math**

A particle moves along the x-axis with position function s(t) = esin(x). How many times in the interval [0, 2π] is the velocity equal to 0?
*May 10, 2015*

**Chemistry**

DrBob222, No. We have used the Solubility Curve before, but it doesn't show NaNO3 at 40 C. All I have is the 3m, 40 C, and you can figure out the molar mass (85). Any idea how to go about this?
*May 10, 2015*

**Chemistry**

I need to figure out whether NaNO3 is saturated, unsaturated, or supersaturated in a 3 molal solution at 40 degrees Celsius. I am completely stuck right now, and am not sure where to go with this.
*May 10, 2015*

**math**

While building a snowman, a large snowball is created at the rate of 5 inches per hour. How fast is the volume of the snowball changing at the instant the snowball has a radius of 10 inches?
*May 10, 2015*

**chemistry **

what is the solubility in grams of KCL3(s) per 100 ml of water?
*May 10, 2015*

**Geometry**

The figure below represents an oval shaped track. the rounded portion of the track are semicircles. If you were to run one lap of this track, how far would you run? Pic: LONG OVAL, THE WHOLE LENGTH IS 106 FT. THERE ARE TWO LINES NEAR THE OPPOSITE ENDS WHICH IS 12 FT LONG. (...
*May 10, 2015*

**math**

a locker combination has tow nonzero digits and digits can be used twice. the first number is 8.what is the probality that the second number is 8
*May 10, 2015*

**Physics**

A girl swings on a playground swing in such a way that at her highest point she is 4.1 m from the ground, while at her lowest point she is 0.8 m from the ground.What is her maximum speed? The acceleration due to gravity is 9.8 m/s2 .Answer in units of m/s.
*May 10, 2015*

**chemistry**

estimate the boiling point of Pcl3
*May 10, 2015*

** physics**

A bar of gold measures 0.15 m × 0.050 m × 0.050 m. How many gallons of water have the same mass as this bar?
*May 10, 2015*

**chemistry dont know how to do it**

dG for the formation of Hi(g) from its gaseous elements is -20.2 kj/mol at 500k. when the partial pressure of HI is 10 atm, and I2 0.001 atm, what must the partial pressure of hydrogen be at this temperature to reduce the magnitude of dG for the reaction to 0. H2(g)+I2(g)----&...
*May 10, 2015*

**thermodynamics**

dG for the formation of Hi(g) from its gaseous elements is -20.2 kj/mol at 500k. when the partial pressure of HI is 10 atm, and I2 0.001 atm, what must the partial pressure of hydrogen be at this temperature to reduce the magnitude of dG for the reaction to 0. H2(g)+I2(g)----&...
*May 10, 2015*

**life orientation**

evaluate the extent to which the service delivery protest you have described in 2 above met or did not meet with processes that you have research end in 3 above
*May 10, 2015*

**S.S**

Oh, so it's A
*May 10, 2015*

**S.S**

The merrimack and the monitor changed naal warfare because they engaged in the first battle between A. metal covered ships B. wooden ships C. aircraft carriers D. ships carrying guns I say its B, please check.
*May 10, 2015*

**physics**

sixty complete waves passes a particular point in 4 seconds if the distance between 3 successive troughs of the wave is 15m.calculate the speed of the wave
*May 10, 2015*

**life oriantation**

What did the people of malamulele do before the protest
*May 10, 2015*

**life orientation**

Service delivery protests:are protests against inadequate local service
*May 10, 2015*

**life orintation**

Campaign with responsibility
*May 10, 2015*

**life orintation**

Introduce your topic by defining "service delivery protests"
*May 10, 2015*

**life orintation**

In about 1 page describe a recent service delivery protest in your community. what are the problems that community faced without water services delivery what did the community members do before the protest . explain the measures taken by the local government to adress the ...
*May 10, 2015*

**life orintation**

I need answers
*May 10, 2015*

**life orintation**

full information
*May 10, 2015*

**life orintation**

Answers for introduction
*May 10, 2015*

**life orintation**

Answers of all the question
*May 10, 2015*

**life orintation**

given the same task.
*May 10, 2015*

**life orintation**

When they engage they must protest in public areas
*May 10, 2015*

**binomial expansion**

thank you
*May 9, 2015*

**binomial expansion**

find the term containing y^3 in the expansion of (sqroot 2+y)^12
*May 9, 2015*

**binomial theorem**

thank you
*May 9, 2015*

**binomial theorem**

find the 20th term in the expansion of (a+b)^22
*May 9, 2015*

**ap chemistry**

thank you
*May 9, 2015*

**ap chemistry**

predict the sign
*May 9, 2015*

**ap chemistry**

is this positive or negative entropy? devitrication of glass desalination of water hard of boiling of a egg
*May 9, 2015*

**Pre-Calculus**

Can someone please explain on how to solve this equation so I can do the others that are similar to this one? Find the solutions of the equations that are in the interval [0,2pi) cos x cot^2 x= cos x Thank you!
*May 9, 2015*

**Math**

Joseph spent 3/4 hour working out at the gym. He spent 2/3 of that time lifting weights. What fraction of an hour did he spend lifting weights?
*May 9, 2015*

**precalculus no clue**

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. . t-3,t-2, t-1, t... . 1,-3/2,2,-5/2....
*May 9, 2015*

**precalculus**

thank you
*May 9, 2015*

**precalculus**

i have another question: Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. t^3,t^2,t,1.... is it geometric or arithmetic?
*May 9, 2015*

**precalculus**

what is the common difference then for the first one?
*May 9, 2015*

**precalculus**

below where?
*May 9, 2015*

**precalculus**

Identify if the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic or geometric, then find the next term. and write the nth term. . t-3,t-2, t-1, t... . 1,-3/2,2,-5/2....
*May 9, 2015*

**chemistry**

what is your answer?
*May 9, 2015*

**chemistry**

how would you do it then?
*May 9, 2015*

**Trig**

Two pilots take off from the same airport. Mason heads due south. Nancy heads 23 west of south. After 400 land miles, how far is Nancy from Mason’s route? I think 156.29, but I'm not sure because the question comes in a lesson on sum and difference identities...
*May 9, 2015*

**Physics**

A car travels 300 m [N] along a road, then turns a corner and drives an additional 400 m [E]. Draw a vector diagram of the path travelled by the car, and then calculate the car's distance travelled and its displacement. The displacement is 500m and the distance is 1200m. ...
*May 9, 2015*

**stats**

research shows that 14.3% of persons 20-25 years old and 59.9 % of persons 60-65 years old vote. What is the absolute increase from the younger group to the older group to the nearest point?
*May 9, 2015*

**Linear Functions**

2
*May 9, 2015*

**college chemistry**

so dH/T?
*May 9, 2015*

**Maths**

Six friends sat around a circular table. Ann (who is the the banker) sat opposite the consultant. Bob sat opposite Fred. Celia sat on the doctors right. Dave (who is not the consultant) sat opposite the accountant. Emily sat opposite the engineer and next to the financier. ...
*May 9, 2015*

**maths**

The 5th term of an arithmetic sequence is 11,12th term is 32.What are the first 3 terms?
*May 9, 2015*

**Chemistry**

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.5L of water upon warming from 25C to 50C . Assume that the water is initially saturated with nitrogen and oxygen gas at 25C and a total ...
*May 9, 2015*

**college precalculus**

so one and two are neither
*May 9, 2015*

**chemistry**

The rate constant for the following equation is 0.00454 M−1 · s −1 . We start with 0.134 mol C2F4 in a 4 liter container, with no C4F8 initially present. 2 C2F4 → C4F8 What will be the concentration of C2F4 after 2 hours? Answer in units of M.
*May 8, 2015*

**P.E.**

It was Drug Abuse, but the other question was right!
*May 8, 2015*

**P.E.**

Yup sorry for spelling error! Anyway thx a bunch! I have no clue what Id do with out u!! Thxs!!!!
*May 8, 2015*

**P.E.**

_______________ occurs when a person internationally uses drug improperly. A side affect Drug misuse*** Drug synergism Drug abuse Thanks!!
*May 8, 2015*

**P.E.**

thanks! 1 more I wil post in like 2 min, plz check thx!
*May 8, 2015*

**P.E.**

Nausea, vomiting, or headache after taking a drug may be due to Dependency addiction side effects*** tolerance Thanks a whole bunch :)
*May 8, 2015*

**Physics**

η=Q₁-Q₂ /Q₁ Q₂=800J η=0.2 Q₂=Q₁ (1- η) Q₁=Q₂/(1- η)=800/(1-0.2) =1000 J W= Q₁-Q₂ =1000-800=200 J
*May 8, 2015*

**Please help**

1. Napoleon Bonaparte claimed to have put into practice the ideals of the French Revolution and the Enlightenment. Do you think he did? Did his actions and the legacy of his reign represent those ideals? Explain in a short essay whether or not Bonaparte’s reign and legacy...
*May 8, 2015*

**Physics**

∆Q – ∆U
*May 8, 2015*

**Physics**

m₁cΔt₁=λm₂+m₂cΔt₂ m₂=m₁cΔt₁/(λ+cΔt₂) = =1.31•4218•(64.9-14.9)/(336000+4218•14.9)= =0.69 kg (Latent heat of ice = 80 kcal/kg=336000 J/kg)
*May 8, 2015*

**Ms. Sue PLZ HELP!!!(Civics)**

Srry bout caps just saw!!
*May 8, 2015*

**Ms. Sue PLZ HELP!!!(Civics)**

nEVER MIND!! i Got IT!
*May 8, 2015*

**Ms. Sue PLZ HELP!!!(Civics)**

Which of the following is true about new foreign treaties? A.They prevent the formation of alliances with other countries. B.They do not have an effect on the domestic policies of a country. C.People could be worried whether they will affect their jobs and businesses. D.People...
*May 8, 2015*

**Ms. Sue PLZ HELP!!!(Civics)**

thx I sumbitted long time ago and got this right!! Thx for ur time!
*May 8, 2015*

**Ms. Sue PLZ HELP!!!(Civics)**

ok Thanks!! Ms. Sue is B right?
*May 8, 2015*

**Ms. Sue PLZ HELP!!!(Civics)**

Is it B?????
*May 8, 2015*

**Ms. Sue PLZ HELP!!!(Civics)**

Which of the following is true about foreign and domestic affairs? A. They are completely separate types of policy issues that do not affect one another. B. Leaders must consider how one type of policy may affect the other since they relate. C. The president and Senate are the...
*May 8, 2015*

**analytical chemistry**

Hi DrBob222. Thank you for your answer However, I feel like this method requires absorbance to plot a graph. Unfortunately, My question does not provide any absorbance data.
*May 8, 2015*

**analytical chemistry**

Hi DrBob222. Thank you for your answer However, I feel like this method requires absorbance to plot a graph. Unfortunately, My question does not provide any absorbance data.
*May 8, 2015*

**English**

What does Guy Montag mean in Fahrenheit 451 when he asks if it has a "happy ending"?
*May 8, 2015*

**Math**

1.B 2.C That's all I know.
*May 8, 2015*

**chemistry**

sketch a graph to show the melting curve for water as it goes from -25.0C to 110.0C. Use temperature on y-axis and time on your x-axis
*May 8, 2015*

**Physics**

(16000/60)x15=4000 m
*May 8, 2015*

**Physics**

we know that speed = distance travelled/time taken.. or , v = d/ t d= v * t Yup; its the correct formula
*May 8, 2015*

**math**

97 is 5% of what number
*May 8, 2015*

**mathematics**

A total of 50 seniors and juniora wwere give amath tesr.the 35 juniors got an average of 80 and 15 seniors got 70.what was average score of all 50 students
*May 8, 2015*

**Psychology**

Compare and contrast the temperament and biological approach and the personality approach with respect to development, causes of behavior, and influences on criminal behavior. Which approach has more of an influence on developing criminal characteristics?
*May 8, 2015*

**English**

#2 is grammatically correct however, #1 is not.
*May 7, 2015*

**jjj**

. If your HIM department has 100,000 active medical records and you received 5,352 requests for records within a six-month period, what is the request rate for the past six months? Round to two decimal points.
*May 7, 2015*

**Math**

The 13-member math club needs to choose a student government representative. They decide that the representative, who will be chosen at random, CANNOT be any of the 3 officers of the club. What is the probability that Samara, who is a member of the club but NOT an officer will...
*May 7, 2015*

**PreCal**

absolute values solve for "x" 2|5x-5|+4=20
*May 7, 2015*

**chemistry**

when calcium carbonate, caco3(s) is heated, it decomposes to form calcium oxide, cao(s) and carbon dioxide gas. how many liters of carbon dioxide will be produced at stp if 2.38 kg of calcium carbonate reacts completely?
*May 7, 2015*

**math**

Oh well thank you, I had a feeling like the first one made more sense.
*May 7, 2015*

**math**

im getting it now but just to make sure, would I subtract 11 from 11 and 26 or subtract 11 from 3 and 26
*May 7, 2015*

**math**

Im confused on how to get x
*May 7, 2015*

**math**

Im so confused now :/
*May 7, 2015*

**math**

nevermind it's 41?
*May 7, 2015*

**math**

x + 7.5 ?
*May 7, 2015*

**math - please answer**

William, Jan, and Greg have a total of $26. Greg has the most money. Jan has twice as much money as William. Greg has $11. How much money does Jan have?
*May 7, 2015*

**math**

William, Jan, and Greg have a total of $26. Greg has the most money. Jan has twice as much money as William. Greg has $11. How much money does Jan have?
*May 7, 2015*

**algbera (check answer)**

Simplify the algebratic expression below. -3[(5x-2y)-4(x+y)+2y]-2(8y-3x) For my answer I got -13x-9y which is wrong because its not in the answer choices.
*May 7, 2015*

**Accounting **

Gorton Corporation has 30,000 shares of $10 par value common stock outstanding when it announces a 2-for-1 stock split. Before the split, the stock had a market price of $120 per share. After the split, how many shares of stock will be outstanding? Common Stock Outstanding? ...
*May 7, 2015*

**science**

please unscramble dramalanse
*May 7, 2015*