Questions Asked on
July 27, 2013

Chemistry
need help to balance half reaction in basic solution IO3 to I2
asked by Shana 
Math
If you are given odds of 3 to 4 in favor of winning a bet, what is the probability of winning the bet?
asked by Ted 
Math probability
Suppose 80% of kids who visit a doctor have a fever, and 30% of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat? Round to three decimal places.
asked by Gina 
medical billing and coding
This 35yearold female patient has carcinoma of the upperouter left breast. She had a lumpectomy performed and a sentinel lymph node biopsy of the axillary lymph node. The pathology report for the lymph node states no pathological change. What codes are
asked by emtswife 
chemistry
In an experiment, 6.700g of hydrogen sulfide is fully decomposed into its elements.If 0.396g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained?
asked by fatima 
Math (probability)
Real Estate ads suggest that 50% of homes for sale have garages, 24% have swimming pools, and 11% have both. If a home for sale has a garage, what's the probability that it has a pool too? Write as a decimal.
asked by Scott 
Mathprobability
A sporting goods store estmates that 20% of the students at a nearby university ski downhill and 15% ski cross country. Of those who ski downhill, 40% also ski cross country. What percentage of these students ski both down hill and cross country? Write as
asked by Gina 
Psychology
In their book The Bell Curve, Murray and Herrnstein supported their claim of intelligence differences between races and attributable to.
asked by Maria 
Physics
Q2_2: QUIZ 2, PROBLEM #2 The composite beam AB, of length L=2m, is free at A (x=0) and fixed at B (x=L) and is composed of a round cylindrical core of constant radius R0=1cm bonded inside a sleeve of thickness R0 (outer radius 2R0=2cm). The beam is loaded,
asked by Harm 
mathematics
Given the points A(1;1) ,B(2;5) ,C(1;5/2) and D( X;4) andAB perpendicular to CD, determine the value of X
asked by gail 
science
In a serious accident, nuclear power plants reactor vessel cracks and all of the cooling water drains out. Although nuclear fission stops, radioactive decay continues to heat the reactor's 2.5× 10 to the 5 power kg uranium core at rate of 120 MegaWatts.
asked by trina 
Calculus
Solve the differential equation by using Laplace transforms. Find the particular solution that satisfies them of: y''+2y'+y =4e^(t)
asked by Elyse 
physics
You hit a 0.2 kg golf ball up at 40o from the horizontal. It travels for 4.86 s and stops on an elevated green 10 m above its initial height traveling down at an angle of 35.4o below the horizontal. What is the total impulse on the golf ball when it hits
asked by Anonymous 
math
The base of an isosceles triangle is four less than the sum of the lengths of the legs. If the perimeter of the triangle is 44, find the length of the three sides of the triangle.[ Only an algebraic solution will be accepted ]
asked by vincent 
uitm
Household hydrogen peroxide is an aqueous solution containing 3.0% hydrogen peroxide by mass. What is the molarity of this solution? (Assume a density of 1.01 g/mL.)
asked by jan 
chemistry
The kinetic energy of a rolling billiard ball is given by KE=1/2mv2. Suppose a 0.17kg billiard ball is rolling down a pool table with an initial speed of 4.7m/s . As it travels, it loses some of its energy as heat. The ball slows down to 3.7m/s and then
asked by meghan 
statistic/Psychology
According to classical test theory if the observed variance of a test is 50 and the true variance is 40 what is the estimated reliability of the test? a. 0.40 b. 0.50 c.0.80 d. 0.90
asked by Crystal 
mathematics
Prove that the line PQ,with P(0;3) and Q(5;5),is parallel to the line 5y+5=2x
asked by Lindokuhle 
Math
A random sample was taken from Wyoming. Eighty percent of students reported that they like dogs, 64% reported they like cats, and 97% reported that they like dogs or cats. What percentage of students like both dogs and cats?
asked by Tonya 
Math
during the warranty period, 6% of their computers are returned because they have defective keyboards, 5% are returned because they have defective disk drives, and 1% are returned because both the keyboard and the disk drive are defective. What is the
asked by Sarah 
geometry
consider a circle of radius 1, and corresponding inscribed and circumscribed polygons with the number of sides n = 3, 4, 5, 6, and 8. A: For each n = 3, 4, 5, 6 & 8, what are the areas of the inscribed and circumscribed polygons with n sides?
asked by james 
Elements of Structures MIT 2.02
In this problem The composite beam AB, of length L=2m, is free at A (x=0) and fixed at B (x=L) and is composed of a round cylindrical core of constant radius R0=1cm bonded inside a sleeve of thickness R0 (outer radius 2R0=2cm). The beam is loaded, as
asked by 11YearsOldMITStudent 
Calculus HELP!
Use the fact that L{f'}=sFf(0) to derive the formula for L{cosh at}
asked by Sara 
math
x^2+x(x5)x+7
asked by babyc36 
math
(x+5)(x7)
asked by babyc36 
chemistry
a 35.6g sample of ethanol (c2h5oh) is burned a bomb calorimeter, according to the following reaction. If the temperature rose from 35.0 to 76.0c and the heat capacity of the calorimeter is 23.3kj/c what is the value of enthalpyH reaction? the molar mass of
asked by and6260 
COMPARISON/CONTRAST ESSAYPlease Proofread
1. what are the type of comparison and contrast essay? 2. what are the ways to revise your paragraph in a comparison and contrast essay? 3. define of historical cause and effect essay? 4. comparison and contrast about prewriting, drafting, revising,
asked by Anonymous 
geometry
consider a circle of radius 1, and corresponding inscribed and circumscribed polygons with the number of sides n = 3, 4, 5, 6, and 8. A: For each n = 3, 4, 5, 6 & 8, what are the areas of the inscribed and circumscribed polygons with n sides?
asked by Rachel 
Math
A 13 foot ladder is leaning against a vertical wall. The distance from the top of the ladder to the bottom of the wall is 7 feet longer than the distance from the bottom of the ladder to the bottom of the wall. Find how high the top of the ladder reacher
asked by esmith 
Ehglish
How would you analyze an audience for the topic: Should regulations for home schools be changed?
asked by sara 
math
The length of a side of a square is fifteen less than four times the length of a side of a second square. The perimeter of the two squares differ by 24 inches. Find in inches, the length of a side of the smaller square. [ Only an algebraic solution will be
asked by vincent 
chemistry
Thermite mixtures are used for certain types of weldings and the thermite reaction is highly exothermic. Given delta H= 852 KJ/mol, 1 mole of granular Fe2O3 and 2 moles of granular aluminum are mixed at room temperature and the reaction is initiated. the
asked by sharmaine 
math
A storage shed is in the shape of a square. A builder increases the length of one side of the shed by three feet and decreases the length of an adjacent side by two feet. The shed is now a rectangle with a perimeter of 70 feet. What is the measure of a
asked by vincent 
chemistry
Thermite mixtures are used for certain types of weldings and the thermite reaction is highly exothermic. Given delta H= 852 KJ/mol, 1 mole of granular Fe2O3 and 2 moles of granular aluminum are mixed at room temperature and the reaction is initiated. the
asked by sharmaine 
business law
Explain how trade off happens when writers, musicians, artists profit from their work in business law?
asked by Anonymous 
Physics
A 77 kg sprinter is running the 100 m dash. At one instant, early in the race, his acceleration is 4.7 m/s^2. a) What total force does the track surface exert on the sprinter? Assume his acceleration is parallel to the ground. Give your answer as a
asked by Anonymous 
chemistry
ou weigh out Potassium Permanganate, Mass of KMnO4 (MW=158.034).......... 0.1569 g You dissolve it completely in water.......... 46.00 mL (a) Molarity of MnO4 solution........................... ________________ M You pipet out your UNKNOWN.............
asked by faruk 
math
whats the square root of 14
asked by Anonymous 
english
i need help with my essay ? is about the great debater
asked by luz 
English
So,I really need help!! Can anyone/someone please give me a poem that you originally made or anything! Thanks! :)
asked by Scarlette 
geometry
P(6,6)y=2/3x
asked by chelsey 
math
if a number x is 10%of y and z,and z is 3 times of y.What % is x of y alone? 1)3.3% 2)2.5% 3)5% 4)4%
asked by sarah 
math
the iceman found recently in a glacier was a first thought to be about 5300 years old.Roughly when did he have his 14th birthday?2700bc,300bc,3700bc,5300bc or 7300bc
asked by sarah 
math
complete the pattern : 1/2 , 3/4 , 1 , 4 , 4 , 4
asked by sarah 
algebra
the dimensions of a rectangle are such that its length is 5 in more than its width. If the length were doubled and the width were decreases by 2 in, the area would be increased 136 in^2,what are the length and width of the rectangle
asked by Anonymous 
iinterpersonal comminication skills
two components of oral communication include? A.proper volume and pitch B.pitch and eye contact C.enunciation and speaking rate D.eye contact and pronunciation my answer is c
asked by susue 
physics
an automobile travels at a uniform speed of 88 kph. how many metres does it travel in 1 second?
asked by leyfushie 
chemistry
How many moles of O2 are produced when 0.300mol of KO2 reacts in this fashion?
asked by fatima 
physics
a man walked 32.5m souhward and 78m westward. if it took him 30 minutes to reach his destination.find his average speed?
asked by leyfushie 
WORD MAKER
make 50 words with automatic
asked by Anonymous 
linear algebra
Solve for x if the vectors (2, x, 7x) and (x, 3, 2) are orthogonal
asked by Anonymous 
Maths
If the minimum value of f(x)=x^2+18x+a is the same as the minimum value of f(f(x)), what is the max value of a?
asked by KK 
Geometry
1. AB has endpoints A(8,K) and B(7,3). The slope of AB is 5. What is K? 2. Two angles of a triangle measure 68 and 54. What is the measure of the third angle?
asked by Chelsey 
Math
Convert to the lowest term 25 1/2 divided by 1 2/3
asked by Natacha 
Chemistry Please Help!!
Predict the proper equilibrium constant expression for the following reaction... Fe(OH)3(s) > Fe3+(aq) + 3 OH(aq) Explain the reasoning behind your answer.
asked by Kelly 
science
Most of the processes that influence the hydrologic cycle are: A. biological processes. B. physical processes. C. ecosystem processes. D. wind processes. is it B
asked by Amy 
Math Statistics
2. A statistics professor has asked his students to flip coins over the years. He has kept track of how many flips land heads and how many land tails. Combining the results of his students over many years, he has formed a 95% confidence interval for the
asked by James 
Science
Instinct differs from learned behavior in that instinctive behavior: A. does not change; learned behavior does. B. is acquired; learned behavior is genetic. C. is adaptive; learned behavior is not. D. All of these answers are true. is it A 2. The carrying
asked by Amy 
Elements of Structures MIT 2.02
This is my last chance and I need to see if my calculus is correct. Is it correct ? Q2_2_4 vA=5.82 cm ??
asked by ElementarySchoolStudent 
Geometry
find the slope of the lines passing through the points. (6,2), (1,3).
asked by Chelsey 
Calculus
Find the inverse Laplace transform of: F(s)=3/(s4)
asked by Elyse 
calculus
Solve the DE by using the Laplace transform: x''+x=cos(3t), x(0)=x'(0)=0
asked by David 
Spanish Literature
Please let me know whether or not this is written correctly in Spanish as follows: Específicas de “El Hijo El padre y el hijo tienen una relación buena. El padre era una persona de cuidado, de apoya y confianza en relación con su hijo. Ambos, les
asked by Joy 
Spanish Literature
Can somebody please let me know whether or not this is written correctly in Spanish and if not then please make the corrections? Específicas de “No oyes lardar los perros” Ignacio, el hijo y su padre tuvieron una relación fría, triste y distante. El
asked by Joy 
Spanish Literature
Can somebody please make the corrections here on what I have written in Spanish? Específicas de” las ataduras Benjamín y Alina tuvieron una relación fuerte como padre e hija. Benjamín quiso todos para su hija, le adoraba y a menudo le comparó a sí
asked by Joy 
Spanish Literature
Can somebody please see if this is correct as to what I have written in Spanish? If not correct please make corrections for me. Iguales en las tres obras 1. La relación: los padres y sus hijos, la relación con Alina y su padre o las relaciones con sus
asked by Joy 
science
One of Saturn's moons has an orbital distance of 1.87× 10m to the 8 power. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.
asked by trina 
physics
A spring has a length of 0.190 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 2.80 kg mass hangs from it. (a) What is the force constant of the spring? (b) What is the unloaded length of the spring?
asked by Justin 
Statistic/Psychology
Joe had a score of 72 on the Counseling Aptitude Scale, and the standard error of measurement of the scale is 3. Where would we expect Tom's true score to fall 99.5 percent of the time? a.71 to 73 b. 69 to 75 c. 66 to 78 d. 63 to 81
asked by Crystal