Thursday
July 30, 2015

Search: First estimate the answer. Then multiply to find the exact answer 9 9/2* 4 5/6

Number of results: 125,431

economics
a firm is planning to manufacture a new product. the sales department estimates the quanity that can be sold depends on the selling price. as the selling price is increased, the quantity that can be sold decreases. they estimate: P=$35-0.02Q where P=selling price/unit and Q=...
April 7, 2009 by jen

Algebra
Can you explain how to find the solution of 3x^2-2x+5, using the quadratic formula? I got it down to (2 +/- sq. root of -56)/6. But my book then reduces that to (2 +/- 2 times the sq. root of 14i)/6. But I think in place of the 2 and the sq. root of 14 it could be the sq. root...
November 30, 2009 by Leyla

physics
A 2.0-gram bullet is shot into a tree stump. It enters at a speed of 3.00 x 104 cm/s and comes to rest after having penetrated 0.05 m in to the stump. What was the average force during the impact? Show all calculations leading to an answer. KE 1= 1/2*0.002kg*300^2m/s=30 j KE2=...
April 5, 2015 by Ciara

Math.
43.The forecast predicted that Dallas County would receive eight inches of rain over the next two days. On Thursday Dallas County received 3.4 inches of rain. On Friday it rained twice with Dallas County Reciving 1.2 inches of rain each time. What was the difference in the ...
April 17, 2013 by Jerald

algebra
I have to find the square footage of my kitchen floor with the length of one side being 8 inches. So, now I know I can make X=8. f(x)=x^2 is the template needed for this solution. If f(8)= the square footage of my kitchen floor, what will my answer be? f(8)=8^2 f(8)=64 8 was ...
March 2, 2011 by Carly

Spanish
I have to find the verbs in the preterite and the imperfect but I'm getting them marked wrong. 1. Mi amiga Anita siempre tenía dolor de cabeza cuando estudiaba. my answer: tenía; estudiaba 2. El diente me dolió todo el fin de semana pero el lunes el dentista me lo sacó. my ...
March 29, 2011 by B

Chemistry
Determine the mass of carbon dioxide that will be formed when 131.0 g of propane (C3H8) is reacted with 32 g of oxygen (O2) C3H8 + 5O2 --> 3CO2 + 4H2O I got O2 as my limiting reagent. Then I used the mol of that which is 1 mol to find the mol of CO2 which I got as 0.6 mol. ...
June 16, 2014 by Nihira

Physics*
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 575 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 5,000 rev/min. (a) Find the kinetic energy ...
October 20, 2011 by Allie

math, algebra
the problem reads: Write the equation of the line which passes through the point (2,1) and is parallel to another line with equation y = (5)/(2) x + 6 the answer i get is the following is this correct though y = (5)/(2) x - 4 Since your new line is parallel to y=(5/2)x + 6 it ...
March 31, 2007 by jasmine20

trig
use the unit circle to find the exact value for all the trig functions of è=2ð/3.
February 1, 2010 by Anonymous

Trig
find the exact values of the six trig functions of angle... sin(-315degrees) how do i do this?
September 1, 2011 by ALISON

math
if the arithmetic mean of 2 positive numbers (a and b) is 16 and their geometric mean is 12, find the exact value of a^3+b^3.
November 7, 2011 by Cody

calculus
If the line y=mx-5 does not meet the curve y=3x^2-6x+7 then value of m is in the open interval (a,b). Find the exact value of b.
February 7, 2012 by Yvonne

Economics
What percentage of Americans GDP per capita is available to the average citizen of Mexico? Americas GDP $35060.00 Mexico GDP $8540.00 To find this answer, divide 8540 by 35060. Move the decimal point in your answer two places to the right to get the percentage.
September 20, 2006 by LIsa

Health care please check my answer
Please check my answer thank you The lateral ports were removed. Where would these ports be located ? A. Toward the back B. Toward the head C. Farthest form the median D. Toward the front My answer is B
March 19, 2008 by Kaleigh-Anne

math
Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,650 with factory and dealer rebates of $5,100 a-Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest cent. b-Find the ...
June 3, 2014 by leelee kay

math
-5y^3(y-6)+4y^3(y-7) OK - first, distribute -5y^3 to the (y-6). You should get -5y^4+30y^3. Do the same thing by distributing 4y^3 to the (y-7), leaving you with 4y^4-28y^3. Then combine the y^4 terms and the y^3 terms to get the answer of -y^4+2y^3.
January 4, 2007 by oscar

Algebra II
What is the first step for solving this system by substitution? DO NOT SOLVE!! 3x-2y=8 x+7y=10 How many solutions does this system of equations have? 3y-6x=12 y-2x=4 My answer is 1 solution. Is this correct?
October 28, 2007 by JaneLee

The US constitution
Please check my answer thanks :) The constitutional basis of the right to privacy is in the First admentment true or false I said True
November 14, 2007 by Anonymous

physics
You have two forces, 116.1 N and 78.6 N. What is their resultant if the first acts up- ward and the second acts downward? Answer in units of N.
September 10, 2010 by laura

Math please help
Let s and t be any two whole numbers, excluding 0. True or False The statement s/t = t/s is always true? and What did you do first to answer this question?
November 30, 2010 by Jenni

Math
A person has a total yearly income of $36,000. The part of thier income spent on transportation is 15%. How do I find the fraction in simplest form that represents the part of thier income spent on transportation? I dont want the answer, just how to get the answer. Thank you!
June 8, 2008 by Mary

Math
A person has a total yearly income of $36,000. The part of thier income spent on transportation is 15%. How do I find the fraction in simplest form that represents the part of thier income spent on transportation? I dont want the answer, just how to get the answer. Thank you!
June 8, 2008 by Mary

Pre-Algebra
this is the question please help me explain what to do its confusing. The rate that a hot tub drains is 5.9L/min.How many minutes does it take to drain a 160L hot tub? ~27 mins. Rate*time= volume solve for time. ((27.12 to be exact)) Hi Science. (And don't take this the wrong ...
May 14, 2007 by Kemmaris

Physics
A rock is thrown downward from an unknown height above the ground with an initial speed of 28 m/s. It strikes the ground 4.4 s later. Determine the initial height of the rock above the ground. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m 014 10.0 points An ...
October 8, 2014 by Bill Nye

Math help plz ASAP.
Rationalize each denominator. 6 + square root of 2 ____________________________ square root of 3 PLZ HELP..dont kno how to do this question.plz explain..thanks You have (6 + sqrt(2))/sqrt(3) multiply that by sqrt(3)/sqrt(3) to get [(6 + sqrt(2))*sqrt(3)]/3 and simplify To ...
October 15, 2006 by Karla

math
please help me i need help before tomorrow please help i need help on my homework Post a question and someone will try to help. Be specific about what you don't understand. i need help on greatest common factor What unit would you use if talking about area It would be square ...
September 5, 2006 by Asia

Math/Algebra HELP
Can you please check these answers: 1. If the first Now= -9, which equation represents this sequence? -9, -4, 1, 6, 11 A. Next= Now -5 B. Next= Now + 5 C. Next= 5* Now -1 D. Next= 5* Now + 1 Answer: A 2. Which inequality statement is true? A. 8 < (a square root sign with 78...
April 18, 2009 by Snoopy

American History
I am trying to locate either the name of the school or school district (i.e. City or County) that first required public schools to teach both male and female students. I know that in 1789 Massachusetts was the first state to make this requirement but I have not been able to ...
September 10, 2010 by AshleyC

Economics
David lives in Manhattan, where the combined state/local sales tax is 8.375 percent. David just purchased a digital camera that was priced at $800. Determine the sales tax he paid by calculating 8.375 percent of $800 (multiply by 0.08375). How much sales tax did he pay? Could ...
March 16, 2015 by Kesha

Poem: Beware do not read this poem by Ishmeal Reed
Could someone please check these ASAP! 1. What story does the poem tell in the first three stanzas? Answer: The story that the poem is telling is a women who lived amoungst mirrors had locked herself in her house, and two villagers broke in, and she escaped into her mirror. ...
January 26, 2009 by Remy

French
Could you please check these thanks. 1. Après les cours, Michel et Chantal vont au-------. A. Café B. ensemble Answer: A 2. Ils trouvent-------- à la terrasse. A. une table libre B. une tartine Answer: A 3. Le serveur------ la carte à Chantal. A. regarde B. donne Answer: B 4. ...
March 10, 2009 by Anonymous

Math
What is the easiest way to solve for x. (these are fractions, not dividing) 4/15=x/5 would I find the common denominator or cross multiply and x/3=x+10/6 same question
October 15, 2009 by Anonymous

college algebra
given the following polynomial find the zero and multiply of each were the graph touches the x axis number of turning points fx =(x-4)(x^2-25)
March 4, 2013 by zachary

College Algebra
A function f has the following verbal description: "Multiply by 5, add 9, and then take the fifth power of the result." and find the inverse?
July 22, 2015 by Lydia

Math 101
Debra is buying prizes for a game at her school's fundraiser. The game has three levels of prizes, and she has already bought the second and third prizes. She wants the first prize to be nice enough to attract people to the game. The game's manufacturer has supplied her with ...
November 20, 2009 by Rushell

Chemistry
Estimate the value of the equilibrium constant at 550 K for each of the following reactions. 1) 2CO(g)+O2(g)--->2CO2(g) 2) 2H2S(g)--->2H2(g)+S2(g) i used the equation K=e^(delta G/RT) for the first problem and got K=1.40*10^-49 but it was wrong. Is there a different ...
April 17, 2010 by Kyle

Precalculus
Polynomials Problem: 1. List two factors of h(x) of the form x−r: x, x + 2 (right answer) 2. A function of the form ax^n that approximates h(x) for large values of |x| is f(x)= 2x^4. (right answer) 3. This tells us that the degree of h is 4 and the coefficient of the ...
February 7, 2010 by jh

Math
Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? Answer: 1306.25 4. Using your answer to the question above, what is the net dollar amount of that rose ...
May 20, 2013 by Ann

6th grade science
an example of homeostasis is A) maintaining a constant body temperature B) responding to stimuli C) keeping the same number of cells in an organisms D)all of the above I put A) and had the wrong answer. I put that answer since homeostasis is maintaining a constant internal ...
November 16, 2014 by E6

Algebra re-posting
I already typed this in 2 days ago, but i did not get to see if I had an answer back, can somebody help me to the link, or can help me do the work, I found the answer using the trial and error method, but is there another way to find it without using the trial and error ...
April 24, 2008 by Hailea

PHISIC
A bouncy rubber ball is dropped from a height of about a metre above the ground .it falls to the ground, bounces and then rises back to almost the height from which it was dropped. Describe the main energy transformations that take place from the point at which the ball first ...
December 19, 2012 by sam

Calculus
I need to find the slope of the graph of the function at the given point. Function: f(theta)=4sin(theta)-(theta) Point: (0,0) I tried finding the derivative of the function at theta=0, but I got 0 for an answer. I checked the answer in the back of my book and it is 3. I just ...
September 3, 2007 by Corin

Math, derivatives
f(x) = x² + 2Cos²x, find f ' (x) a) 2(x+cos x) b) x - sin x c) 2x + sin x d)2(x - sin2x) I got neither of these answers, since the 2nd part should be chain rule, right? f(x) = x² + 2Cos²x = x² + 2(Cos x)² then f '(x) = (2)(2)(cosx)(-sinx) My answer: f '(x) = 2x - 4cosxsinx If ...
May 5, 2008 by Terry

physics
Physics Genius! please let me! Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 6.12 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.36 kg and r1 = 2.20 m, (2) m2 = 3.92 kg ...
July 2, 2015 by Lola

Physics
A free electron and a free proton are exactly 0.70cm apart. Find the magnitude of the acceleration of the proton. Express your answer with the appropriate units. Find the direction of the acceleration of the proton. Find the magnitude of the acceleration of the electron. ...
January 24, 2014 by James

Finance
On August 1, 2005 you invested $3,000 into a mutual fund. You then invested $1,000 into that same mutual fund on the first day of August for each of the years 2006 through 2013. You averaged a 7.25% annual rate of return on your investment in this mutual fund. What is the ...
September 20, 2013 by Angie

Chemistry
Write a balanced equation using the correct formulas and include conditions (s,l,g or aq) for each of the following reactions. 1)Carbon monoxide gas reacts oxygen gas to produce carbon dioxide gas. Express your answer as a chemical equation. Identify all of the phases in your ...
November 14, 2010 by TMV

science
Shown below are the data giving the length of life of lights in an underground tunnel. 9.0 months 7.0 months 8.2 months 8.3 months 7.8 months 8.1 months 7.5 months 7.6 months 9.1 months 7.4 months I calculated the standard deviation to be about 0.679. Estimate the probability ...
January 22, 2012 by Joy

Statistics
Shown below are the data giving the length of life of lights in an underground tunnel. 9.0 months 7.0 months 8.2 months 8.3 months 7.8 months 8.1 months 7.5 months 7.6 months 9.1 months 7.4 months I calculated the standard deviation to be about 0.679. Estimate the probability ...
January 22, 2012 by Joy

Statistics
A city ballot includes a local initiative that would legalize gambling. The issue is hotly contested, and two groups decide to conduct polls to predict the outcome. The local newspaper finds that 53% of 1200 randomly selected voters plan to vote "yes," while a college ...
October 28, 2013 by Jeffrey

Anatomy and Physiology
A eukaryotic cell in a human body has just reproduced assexually. Which of the following has mostl likely just occurred? A. Metastasis B. Fertilization C. Mitosis D. Meiosis Student Answer: B Answer: Incorrect Reference: 18. In which phase of the cell cycle are the ...
February 3, 2014 by Diana

Calculus
Find the positive integers k for which lim ->0 sin(sin(x))/x^k exists, and then find the value the limit. (hint:consider first k=0, then k=1. Find the limit in these simple cases. Next take k=2 and finally consder k>2 and find the limit in these cases as well) I did this...
September 24, 2011 by Sybil Jones

chemistry
How many grams of C6H12O6 need to be dissolved in 350g of water vto have a solution which freezes at -2.50 degrees celcius? delta T = Kf*m You know Kf, m = molality = mols/kg and mols = grams/molar mass, delta T is 2.50. Solve for grams. Post your work if you get stuck. what ...
May 31, 2007 by jessica

Physics
A particle travels to the right at a constant rate of 6.8 m/s. It suddenly is given a vertical acceleration of 1.8 m/s2 for 5 s. What is its direction of travel after the acceleration with respect to the horizontal? Answer between −180◦ and +180◦ and What is ...
September 18, 2011 by Jack

physics
A particle travels to the right at a constant rate of 6.1 m/s. It suddenly is given a vertical acceleration of 1.8 m/s 2 for 4.5 s. What is its direction of travel after the acceleration with respect to the horizontal? Answer between −180◦ and +180◦ . Answer ...
October 5, 2013 by Sylvia

chemistry- can you check my answers?
can you please check my answers?? 9. For the following reaction delta H=2816 kj. 6 CO2(g) + 6 H2O(l) -> C6H12O6(s) + 6O2(g) how is the equilibrium yeild of C6H12O6(s)affected by each of the following? a) increasing pressure of CO2 increase decrease no effect Answer: ...
April 20, 2011 by Lily

Algebra
Can someone tell me if I am right? I need to find the equation of a parabola. I am not sure if this is the correct way or if I have the correct answer. Vertex at origin, focus is at (0,3) Equation of parabola vertex (0,0) focus (0,3) focus (h,k+p) (0,0+3) y=0-3 directrix y=-3 ...
April 30, 2008 by Tim

Math
Hello! Can you check my answers for these questions? Thank you in advance (= 1. The following ordered pairs give the scores on two consecutive 15-point quizzes for a class of 18 students. (7, 13), (9, 7), (14, 14), (15, 15), (10, 15), (9, 7), (14, 11), (14, 15), (8, 10), (9, ...
January 27, 2015 by Wendy

U.S. Government--Need Help !
I have this question on an assignment and I need help. Many believe that political parties are incapable of serving as an avenue for social progress because: A. party positions change so frequently. B. the leaders who draft party platforms are generally out of touch with the ...
January 21, 2007 by Kyle

Math
1. Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? (1 point) Rosa: "Use square root 9 and square root 25 to estimate." Roberto: "I will use square root 4 and square root 9." Andrea: "It should be square root 11 and ...
December 1, 2013 by anonymous

MAth
Ida plans to construct a square showing exact measurements of the sides. Which combination of tools would best help Ida construct the square? Answer A: pencil, compass, and straightedge B: pencil, string, and compass C: pencil, ruler, and straightedge D: pencil, straightedge, ...
September 25, 2011 by Taylor

Math
find median 4,5,6,8,11,17 answer 7 find mean and median 68,69,71,75,76,76,81,82,86,88,93,94,95,95,96 answer mean is 83 median is 82 ?
October 17, 2009 by david

Stats
how did you come to this answer? The answer is approximately =0.017 b) Ten Cobalts are randomly selected and the miles per gallon for each car are recorded. What is the probability that the mean miles per gallon exceed 34 miles per gallon? The final answer will be = 0.0351
May 28, 2012 by Stacey

Algebra
How do I estimate a salary? I tried but I think it might be wrong Someone earns $389 a week I have to estimate the salary in 6 months which is 26 weeks. I multiplied 389 by 26 and got 10,114 Did I do this right?
June 5, 2015 by Anonymous

Statistics
A doctor want to estimate the HDL cholesterol of all 20- to 29- year old females. how many subjects are needed to estimate the HDL cholesterol within 3 points with 99% confindence assuming s=15.8 based on earlier studies?
June 12, 2015 by Sonya

physics
Equivalent forces derivation problem. EXAMPLE: Derive the formula for F3 in terms of the experimentally measured quantities m1, m2, 1, and 2. [Answer: F3=m1gcos1+m2gcos2.] Make sure you understand how this formula was derived. QUESTION: If the mass of both weights is 150 gm, ...
February 1, 2010 by Judy

Physics
question: img75.imageshack.us/my.php?image=dsc00702gn9.jpg The answer key said the answer is "C"...HOW!?!??!?!!? Please explain to me why it's 'C'
June 21, 2008 by Tom

calculus
Which of the following is a representation of the domain of the expression: h(x) = 12x + 3 / 2 - square root over x a)[0,4) b) [(0,4) U ( 4, infinity) I know that hte answer is b, but how do I come to this answer?
September 27, 2008 by Vana

math
im not getting the proper answer from this question: 5.0=k=c1/c2= 1.00g-x/15ml all over x/50 ml = (1.00-x)50/15x the answer comes out ot .40g
October 24, 2008 by tom

Dog Hunting Training
please check my answer thanks :) What is the distance of a lure course for a Junior Courser Title My answer is 600 yards
January 11, 2009 by Mallie

Algebra/Math
Could you please check these thanks for your time. Directions: Arrange the terms of each polynomial so that the powers of x are in ascending order. 1. 5+x^5+2x^3+4x Answer: 5+4x+2x^3+x^5 2. x^2y^4+x^5y^3+xy^2+x^3y Answer: xy^2+x^2y^4+x^3y+x^5y^3
March 24, 2009 by Cindy

math
Could someone check my answer? I need to figure out the equation of the circle given the center of (-9,0) and radius of 7. (x-(-9))^2 + (y-0)^2 = 7^2 answer(x+9)^2 + (y-0)^2 = 49 is this correct?
September 20, 2009 by sam

Algebra
(5x^3-6x^2+8)/(x-4). (4) 5 -6 8 5 14 72 For the remainder I divided 72/4 for 18. So the whole answer would be 5x^3+14x^2+18. But the book's answer is 5x^2+14x56+232/(x-4). Where did these numbers come from and where did I mess up?
November 10, 2009 by Jeremiah

Chemistry
what would the quantity of heat gained or lost be for 1.25 mol NaOH(s) dissolves in water? Could you post the answer and how you got the answer. Thank You
May 16, 2010 by Anonymous

Math
Write each equation in standard form. 1.y-3=-2.4(x-5) -The answer I got was 2.4x + y = 15. Could someone please check my answer and tell me how to solve it if it wrong? Thanks
August 21, 2010 by Shadow

physics
My answer for this question A 11.0 kg box is released on a 37 degreesincline and accelerates down the incline at 0.25 m/s^2. What is the coefficient of kinetic friction? My answer was 68.2 and it was incorrect.
October 15, 2010 by Anne

Algebra
Divide: (-8y^7x+15y^7x^6)/(-2y^2x^5) I got y^5(-8+15x^5)/-2x^4 It won't let me add parens. in the answer any suggestions. It does say simplify your answer as much as possible.
February 5, 2011 by Lisa

algebra
can anyone show me the steps to convert to scinctific notation of these two problems: .000316 which the answer is 3.16x10^-4 and 0.000517 which the answer is 5.17x10^-4
September 20, 2011 by katy

Physical Science
How much work is needed to lift an object with a mass of 51.0 kg to a height of 2.00 meters?  Calculate your answer in Joules Answer
February 26, 2012 by Anonymous

LA
who is John Newberry and what signifigance did he have to the award, (I just need help finding a site with the answer on it, not the actual answer because that would be cheating)
March 26, 2012 by Katniss

MATH
2x-3(x+4)= -5 The answer is -7 , but I am unable to get this answer. tried working problem several ways get different answers for ex. I get -17 or 7 Please I need some help
July 24, 2012 by SARA

multiplying fractions
write a word problem for 1/3 x 1/4 use the definition of multiplication and math drawing to help determine the answer. explain you answer.
April 24, 2014 by bernadette

math
Write down all the odd numbers that are greater than-8 and less than 7.Please answer it i'll be appreciate to the one who will answer it back.THANK YOU!
September 20, 2014 by Kashaf Imran.

Geometry
One of two similar triangles has an area of 1/4 times than that of the other. What is the ration of the trangles' perimeter? (I know that the answer is 1:2, but i dont why that is the answer :( )
February 22, 2015 by Anonymous

Math
Dear Ms. Sue, Thank you for helping me very much. I was a little confused on your response to your answer posted at 7:23. Would my answer be 18 instead of 12? Thank you!
March 9, 2015 by Alice

Science
Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. Answer:TEMPERATURE 2.) Question: a mixture of baking powder, flour, sugar, and eggs is placed...
January 14, 2014 by Kalie

Math
If sin(x) = 4/5 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(x-y) I know that the denominator will be 65
March 19, 2010 by Bryan

geometry
a snow globe has a diameter of 6 inches.find its exact volume.then approximate its volume using 3.14 for [pi]
April 5, 2010 by Anonymous

math - natural logs
Find the EXACT solution to e^(1-x) = 4^x You must use logs, not just a calculator.
October 31, 2011 by BJ

Algebra
Use properties of logarithms to find the exact value of each expression. Do not use a calculator. 8^log 8^5
April 7, 2013 by Kendall

trig identities
Find the exact value of cos (2theta) given csc theta = 8/3 and 0 < theta < pi/2
May 8, 2013 by Sean

pre calc
Find the exact value of sin(x-y) if sinx=-3/5 in Quadrant III and cosy=5/13 in Quadrant I.
May 21, 2013 by Jennifer

trig
if (-12,5) is a pointon the terminal side of an angel 0 find the exact value of six trig funcation of 0
June 19, 2014 by sal

calculus
find the exact arc length of the curve: y=0.5(e^x + e^-x) for 0 is less than or equal to x and x is less than or equals to ln2.
May 6, 2015 by may

math
There are 18 boys and 60 girls working on a community service project. They work in groups where each group has the same number of boys and the same number of girls. Q1: What is the first step to finding the greatest number of groups possible? A. Multiply 18 times 60 B. Divide...
October 8, 2014 by Kyle

Physics
1) A physics book is moved once around the perimeter of a table of dimensions 1 m by 3 m. What is the distance traveled? 2) A window washer drops a brush from a scaf- fold on a tall office building. What is the speed of the falling brush after 2.7 s? (Neglect drag forces.) The...
September 20, 2012 by Melanie

stats
An investment broker reports that the yearly returns on common stocks are approximately normally distributed with a mean return of 12.4 percent and a standard deviation of 20.6 percent. On the other hand, the firm reports that the yearly returns on tax-free municipal bonds ...
October 3, 2013 by Help

statistics
An investment broker reports that the yearly returns on common stocks are approximately normally distributed with a mean return of 12.4 percent and a standard deviation of 20.6 percent. On the other hand, the firm reports that the yearly returns on tax-free municipal bonds are...
May 13, 2014 by please help!

Chemistry
Consider a mixture of the two solids BaCl2.2H2O (FM 244.26) and KCl (FM 74.551). When the mixture is heated to 160C for 1 hour, the water of crystallization is drive off: BaCl2.2H2O --> BaCl2(s) + 2H2O(g) A sample originally weighing 1.7839g weighed 1.5623g after heating. ...
September 28, 2011 by Asuna

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