Saturday

May 30, 2015

May 30, 2015

Total # Posts: 81,887

**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*

**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*

**math**

a fisherman has estimated that it takes 4 minutes to paint each square foot of a hull of his boat. How much time should the fisherman allow for the painting of the hull, if the hull were composed of 2 sides 28.5 feet by 10.5 feet?
*May 7, 2015*

**math**

who would you write 36% of what number is 18?
*May 7, 2015*

**Lanuage. Please Help !!!**

if you dont look it up using the link then its the exact same as cheating
*May 7, 2015*

**Calculus**

Find the average value of the function f(x)= 8/ (3+x)^2 on the interval [0,2]
*May 7, 2015*

**Calculus**

A cable that weighs 3 lb/ft. is used to lift a golf cart which weighs 700 lbs up to the deck of a boat which is 300 ft above a loading dock. Find the work done.
*May 7, 2015*

**Calculus**

The region bounded by y= e^x, y=0, x= -1 and x=1 is rotated about the x-axis, find the volume generated.
*May 7, 2015*

**Calculus**

Find the volume of the solid obtained by rotating the region bounded by y= x^(1/3), and y= x about the line y=1
*May 7, 2015*

**Calculus**

Find the volume of the solid obtained by rotating the region bounded by y= x^2, y=0, and x=3 about the x-axis.
*May 7, 2015*

**Math **

Hint: 6% x $1,000,000 / $1,000,000 – {20% x ($1,000,000 – (6% x $1,000,000))] = ?
*May 7, 2015*

**economics**

sick
*May 7, 2015*

**Technology in the classroom**

A software package that you would like to run on your classroom computer list
*May 7, 2015*

**Chemistry**

Zn + 2 HCl = H2 + ZnCl2 / When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 degrees Celsius and a pressure of 854 mmHg?
*May 6, 2015*

**Math**

Jeanine used 21/2 cups of flour to make muffins and 1 3/4 cups of flour to make biscuits. After borrowing 1/4 cup of flour,she had 2 1/4 cups left to make bread. How much flour did she have to begin with?
*May 6, 2015*

**algebra**

Just use the slope formula. m = rise / run. m = y2 - y1 / x2 - x1 If it's easier for you, label them. (-4 [x1], -3 [y1]), (4 [x2], 3 [y2]
*May 6, 2015*

**Irrational or Not**

You are correct. the square root of two is not a rational number, so twice it is not rational.
*May 6, 2015*

**math**

write 10 1/2% of 60
*May 6, 2015*

**chemistry**

20 g NaOH are dissolved in 1 L H2O. What is the N of the NaOH solution?
*May 6, 2015*

**Algebra**

Thanks - I had a wrong calculation in the first two term problems that gave me the wrong "d", giving me the wrong answers. Thanks for the help.
*May 6, 2015*

**Trig**

Find each value if sin A = 12/13 with 90 degrees <= A <= 270 degrees and if sin B = -7/25 with -90 degrees <= B <= 90 degrees. sin(A - B) sin(A + B)
*May 6, 2015*

**Math**

What is the exact value of sin(-15 degrees)?
*May 6, 2015*

**Life orientation**

Xenophobia is the hatred of foreign people in a country or community seeing them prospering by their own work that we can't even do ourselves
*May 6, 2015*

**Life orientation**

orange farm
*May 6, 2015*

**Pre algebra**

The purchase price of a book is $35.85 the sales tax rate is 6.5% how much is the sales tax to the nearest cent what is the total cost of the book
*May 6, 2015*

**math**

1. two circles. x^2+y^2-16x-8y+35=0 and x^2+y^2=5 are given. a. write the equations in the standard form. b.prove that the circles touch each other. c.hence calculate the equation of their common tangent 2. find the equation of a. circle. with centre c(2;3) and which I is the ...
*May 6, 2015*

**Trig**

secθsinθ is equivalent to: Ans: tanθ?
*May 6, 2015*

**Social Studies**

If you mean WW2, then you are correct. The attack on Pearl Harbor was not in WW1.
*May 6, 2015*

**math**

Suppose the matrix A has eigenvalues lambda_1 = -1, lambda_2 = 1, lambda_3 = 2, with corresponding eigenvectors v_1 = [0 5 3]^T, v_2 = [2 0 1]^T, v_3 = [1 -1 0]^T. If you diagonalize A as A = PDP^-1 with P = [2 2 0; p_21 p_22 2; p_31 p_32 p_33], D = [2 0 0, 0 1 0; 0 0 -1], ...
*May 6, 2015*

**Chemistry**

Use the equation below to answer the following question. How many grams of calcium chloride are produced from 19.3 g of HCl? 2HCl + Ca(OH)2 à 2H2O + CaCl2 Give your answer in correct sig digs and correct label.
*May 6, 2015*

**math**

A. determine the equation of the circle passing through points A(3;2) B(8;12) and C(-6;-2) B. a chord of the circle x^2+y^2=50 has a midpoint at (6;3). determine the equation of this chord.
*May 6, 2015*

**Precal **

Find the limit if it exists. 1. Lim x--> 3 (square root of x+1) -2 over (x-3)
*May 6, 2015*