Questions Asked on
March 13, 2010

Chemistry
A solution is prepared by mixing 0.12 L of 0.12 M sodium chloride with 0.22L of a 0.19M MgCl2 solution.What volume of a 0.22 M silver nitrate solution is required to precipitate all the Cl ion in the solution as AgCl ?
asked by Abril 
Physics
A synchronous satellite, which always remains above the same point on a planet's equator, is put in orbit around Neptune so that scientists can study a surface feature. Neptune rotates once every 16.1 h. Use the data of Table 13.2 to find the altitude of
asked by Ana 
English
Subject cannot automatically limit which of these? intended audience intended purpose whether a message is timely whether a message is topical whether a message is effective
asked by Betty 
Chemistry
State whether each of the following aqueous solutions would be acidic, basic, or neutral. Include appropriate netionic equations to show why a given solution is acidic or basic. a) NaNO3 b)KC6H5CO2 c)50:50 mixture of C6H5CO2H+KC6H5CO2 d)(CH3NH3)Cl e)50:50
asked by Julie 
geometry
the base of a right prism is a rhombus whose diagonals are 6 in and 8 in. The altitude of the prism measures 10 in. Find the lateral area and the total area of the prism.
asked by Nico 
Physics
The maximum lift force on a bat is proportional to the square of its flying speed v. For the hoary bat (Lasiurus cinereus), the magnitude of the lift force is given by FL (0.020 N·s2/m2)v2 The bat can fly in a horizontal circle by "banking" its wings at
asked by Ana 
Physics
Air isn't a perfect electric insulator, but it has a very high resistivity. Dry air has a resistivity of approximately 3 x 10^13 Ù x m. A capacitor has square plates 10 cm on a side separated by 1.2 mm of dry air. If the capacitor is charged to 250 V,
asked by JOTHEY 
Chemistry
Calculate the free energy (ΔG˚) of reaction (kJ) for the equation as written at 298 K (Dependence of temperature on enthalpy can be disregard). If the answer is negative, enter the sign and then the magnitude. Express your answer to three significant
asked by Anonymous 
Physics11th grade
Two students on roller skates stand facetoface, then push each other away. One student has a mass of 94 kg, the other 65 kg. Find the ratio of the velocities just after the hands lose contact.
asked by Luricela 
geometry
find the lateral area and the total surface area of the right prism if the base of the prism is a right triangle whole legs meausure 5in and 12 in . and the altitude of the prism measure 8 in.
asked by Nico 
statistics
A statistics practitioner would like to estimate a population mean to within 50 units with 99% confidence given that the population standard deviation is 250. a) What sample size should be used. b) Repeat part (a) with a standard deviation of 50. c) Repeat
asked by Tom 
Physics
Calculate the power output of a 1.0 g fly as it walks straight up a window pane at 2.6 cm/s. I have no idea how to figure out this answer. I've tried using P = Fv but that hasn't worked.
asked by Robert C 
physics
A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 150 m, at what frequency must it rotate so that it simulates Earth's gravity? [Hint: The apparent weight of the astronauts must be the same as
asked by jade 
Statistics
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. the value of P(X
asked by Anonymous 
math
in a group of 100 people, 40 own a cat, 25 own a dog and 15 own a cat and a dog. Find the probability that a person chosen at random a) owns a dog or a cat b) owns a dog or a cat, but not both c)owns a dog, given that he owns a cat d) does not own a cat,
asked by terry 
English
How do I start out writng a paragraph on a subject, Food Safety? * Subject: food safety * Occasion: aftermath of an outbreak of sickness at fast food restaurants due to tainted meat * Audience: FDA (agency that manages food safety) * Purpose: Persuade
asked by Betty 
Physics
A satellite of mass 220 kg is launched from a site on Earth's equator into an orbit at 200 km above the surface of Earth. (a) Assuming a circular orbit, what is the orbital period of this satellite? 5310 s (b) What is the satellite's speed in its orbit?
asked by Ana 
Physics
Early one October you go to a pumpkin patch to select your Halloween pumpkin. You lift the 2.8 kg pumpkin to a height of 1.27 m, then carry it 51.4 m (on level ground) to the checkout stand. How much work do you do on the pumpkin as you carry it from the
asked by Physics Nerd 
physics
A weightlifter holding a 500 kg barbell waist high carries the barbell at a constant height and a constant speed to a rack 2 m away, and places the barbell on the rack at the same height at which he was carrying it. How much work does the weightlifter do
asked by kalisha 
Organic Chemistry
Draw the structure of [Z]2bromo3isopropyl2heptene
asked by Sarah Smith 
Chemistry
I am confused about where I am going wrong here... Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water to produce 250. mL of solution and that 35.0 mL of this solution is titrated to the stoichiometric point with 17.6 mL of 0.0935
asked by Val 
precalc
How do i verify: cotx = (sin2x)/(1cos2x)
asked by jill 
value of common stock
• Emerson Electric common stock that is selling for $80 with a par value of $5. This stock recently paid a $2.10 dividend, and the firm’s earnings per share have increased from $2.40 to $4.48 in the past 5 years. An equivalent amount of growth in the
asked by ananoumous 
math
a card is picked from a pack containing 52 cards . it is then replaced and a second card is picked. Find the probability that a)both cards are the seven of diamonds, b)the first card is a heart and the second a spade. c)one card is from a black suit and
asked by terry 
Chemistry
Copper(I) Iodide is synthesised by the equation: 2CuSO4.5H2O + 2KI + 2Na2S2O3.5H2O > 2CuI + K2SO4 + Na2SO4 + Na2S4O6 + 10H2O Would it make a difference if anhydrous CuSO4 and Na2S2O3 are used instead? Why hydrous CuSO4 and Na2S2O3 are used instead?
asked by Alan 
physics
A roller coaster has a vertical loop with radius 17.9 m. With what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats? (how do i go about in solving this)
asked by jade 
potential rational zeros
list the potential rational zeros of the polynomial function, do not find the zeros. f(x)=x^55x^2+4x+3
asked by Paris 
Intro Chemistry
If a sample of BaSO3 is found to contain 1.73 · 1018 SO32 ions how many moles of Ba2+ ions are present? Express your answer in scientific notation. The following information is given: Molar Mass (g/mol) BaSO3 217.39 Ba2+ ion 137.33 SO32 ion 80.063
asked by echem 
Physics
A 64 kg bicyclist rides his 7.7 kg bicycle with a speed of 13.5 m/s. How much work must be done by the brakes to bring the bike and rider to a stop? How far does the bicycle travel if it takes 4.5 s to come to rest? What is the magnitude of the braking
asked by Physicster 
7th Grade Math
Find the area of the circle described. Use pi= 22/7. Diameter= 1.4cm Please help!
asked by Elizabeth 
Statistics
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. the value of P(X
asked by Anonymous 
Physics
Initially sliding with a speed of 2.1 m/s, a 2.1 kg block collides with a spring and compresses it 0.35 m before coming to rest. What is the force constant of the spring?
asked by Helen Batt 
college chemistry  answer check ASAP!
The corrosion of iron can be thought of as an electrochemical cell reaction. Calculate the voltage difference between two points of corroding iron differing only in their partial pressures of oxygen: 0.20 atm of oxygen at one point and 0.0010 atm of oxygen
asked by anne 
Chemistry
Design an electrochemical cell using Pb(s) and Mn(s) and their solutions to answer the following questions. I just want to see if my answers are correct. I drew the cell already. Thanks 1. Give the line notation for this electrochemical cell. Mn(s) ∣
asked by Amanda 
penn foster
what should you do if you find a bone or foreign matter in your food after you've already put it in you mouth?
asked by mona 
Chemistry
What is the chemical equation for: CuI + NH4OH > ??? This equation should oxidise Cu+ to Cu2+.
asked by Alan 
chemistry
Why is HF has lower boiling point than CsI, even though HF has hydrogen bond. Does HF have higher boiling point than O2
asked by eng 
english
Hello! I had to read a novel and do a work about it I told what I read Can you above all correct me the tenses? The narrator, an old banker, was remembering how, fifteen years before he had given a party. There had been many clever men, they had talked of
asked by MARIE 
Physics
Two current carrying wires cross at right angles (like a + sign). Wire 1 has current directed horizontally to the left. Wire 2 has current directed vertically up. If the wires are not restrained, what statement best describes the motion of the wires? A)
asked by Jane 
stocks
• Emerson Electric common stock that is selling for $80 with a par value of $5. This stock recently paid a $2.10 dividend, and the firm’s earnings per share have increased from $2.40 to $4.48 in the past 5 years. An equivalent amount of growth in the
asked by ananoumous 
chemistry
i read in my chem book, it says that SiH4 is molecular compound but SiO2 is covalent network, but why not SiH4 since it has Si which can form network covalent as well?
asked by bme1 
physics
The density of nitrogen at STP is 1.25 kgm^3. Find the r.m.s velocity of nitrogen molecule at 20 degree centigrade.
asked by Edwin 
Chemistry
A 60.0ml 0.513M glucose solution is mixed with 120.0ml of 2.33 M glucose solution. What is the concentration of the final solution. assume volumes are additive.
asked by Adam 
math
The mass m(t) remaining after t days from a 70 g sample of thorium234 is given by the equation shown below. m(t) = 70e0.0274t Find the halflife of thorium234. (Round your answer to the nearest tenth.)
asked by Anonymous 
economics
Suppose we establish a $10,000 fine for water pollution. Would some companies still find that polluting was economical?
asked by olol 
physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve
asked by lauren 
Precalculus
Sorry i wrote the last question wrong, it was suppose to be written as: information is given about the polynomial f(x) whose coefficients are real numbers. find the remaining zeros of f: degree 4; zeros: i, 3+i
asked by hawra 
dynamics of catering
john is a caterer who encourages his staff to make suggestion on work procedures and frequently incorporates their thoughts into his management program. what kind of management style does john exhibit?
asked by mona 
precalculus
the function has a real zero in the given interval. approximate this solution correct to two decimal places: f(x)=x^4x^37x^2+5x+10; (2,3)
asked by hawra 
Phychology of Human Sexuality
Write a 700 to 1,050word paper Format your paper according to APA guidelines. The following points should be covered in your paper: Trace the movements of the sperm and the egg from their development to fertilization. Describe the function of each of
asked by Lisa 
math
Mr. Rosart selects two students from his class to present their book reports. He places the names of each student in a box and randomly picks one at a time. The class has 14 boys and 12 girls. What is the probability that the second name Mr. Rosart picks
asked by ana 
chem
is 2methyl2pentene capable of forming cis/trans isomers
asked by rashid 
Research Writing
What examples of rhetorical devices did you hear in the speech by Ronald Reagan? What type of rhetorical devices did he employ
asked by Danielle Banks 
Using the factor Theorem
use the factor theorem to determine whether xc is a factor of f(x) f(x)=x^3+8x^218x+20; x10 I have a doubt in my answer, i determined that x10 is not a factor... am i right? please verify as my exam is tomorrow night at college. thank you for your time
asked by Rose 
Physical Science
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... a)The radius of the circle b)The mass of the particle c)The charge of the particle d)The magnitude of the magnetic
asked by Stephanie 
college
Explain why, in terms of job performance and efficiency, knowing medical billing terms is critical for working in the health care field. Respond in at least 150 words and provide specific examples.
asked by Ali 
biology
How does stomata's position aid both their function and the functioning of the plant?
asked by Anonymous 
Calculus
how do you find the limit at infinity of: lim(x>infinity) (x+2)/sqrt(64 x^2+1) Do you first change the square root on denominator to (64x^2+1)^1/2 and then divide everything by zero. Please help me with this, I'm confused.
asked by Sarah 
adult education
What materials/resources do I need to do a training seminar on sexual harassment and unlawful discrimination in the work place? This is for an exam I am taking through Penn Foster... This is a written exam and does not have any "questions". I only need the
asked by Suzanne 
Statistics
Calculate the following: a) Determine the sample size necessary to estimate a population mean to within 1 with a 90% confidence given that the population standard deviation is 10. b) Suppose that the sample was calculated at 150. Estimate the population
asked by Tom 
calculus
How do you solve the initial value problem? (dy/dx)2y+4=0, y(1)=4
asked by Bree 
statistics
A data set consists of a set of numerical values. Which, if any, of the following statements could be correct? There is no mode. There are two modes. There are three modes.
asked by angel 
social studies
What products does Egypt export from Canada?
asked by shakti 
Algebra
F1 sin 30 + F2 sin 80 = M g F1 cos 30  F2 cos 80 = 0 How would I solve for F1 and F2 here?
asked by Sarah 
Physics
A massless spring of constant k = 88.9 N/m is fixed on the left side of a level track. A block of mass m = 0.50 kg is pressed against the spring and compresses it a distance of d. The block (initially at rest) is then released and travels toward a circular
asked by Ana 
chemistry
2H2 + O2 yield 2H2O , so if i switch it around, 2H2O yield 2H2 + O2. Would it change which one is breaking bond, which one is making bond. So technically is the left side always breaking bond, right side is forming bond
asked by bme1 
Physics
A 80.00 kg object is hanging from two ropes. One rope (F1) is pulling due West. The second rope (F2) is pulling 80.00 degrees up of East. Calculate the force in the first rope (F1) in Newtons. How would I do this?
asked by Sarah 
parent
Complete the following chart with examples of each type of sculpture. Fill in the title of the artwork, the artist, the year made, and the medium. In the last column, determine whether the work is additive, subtractive, or neither. I need an example of how
asked by Anonymous 
precalculus
form a polynomial f(x) with real coefficients having the given degree and zeros. degree: 4; zeros: 1, 2, and 12i. I got an exam tomorrow, i would appreciate any kind of help, thank you.
asked by Hawra 
Chemistry
I have some enthalpies of formation for a reactant and transition state but calculated using different computational methods. I want to find the ratio of the forward rate constants determined using both methods but I'm not really sure how. I thought I
asked by Alice 
Physics
A 80.00 kg object is hanging from two ropes. One rope (F1) is pulling due West. The second rope (F2) is pulling 80.00 degrees up of East. Calculate the force in the first rope (F1) in Newtons. How would I do this?
asked by Sarah 
Physics
A water pipe is made of iron with an outside diameter of 2.5 cm and inside diameter of 2.0 cm. The pipe is used to ground an electric appliance. If a current of 20 A flows from the appliance into the water pipe, what fraction of this current will flow in
asked by Selma 
Chemistry
How should I write the balanced chemical equation to represent the oxidation of Cu+ ion by air? [Cu(NH3)3]^+1 + 2H2O + ??? > [Cu(NH3)3(H2O)2]^+2
asked by Alan 
Physics
GSM networks use microwaves of 20 cm in wavelength. What is the energy carried by one trillion (10^12) photons of this wavelength is? I got 10^13 J, but this is apparently wrong. Please help!
asked by Johnny 
math
in 1995, the life expectancy of males was in a certain country was 70.7 years. In 2001, it was 74.3 years. Let E represent the life expectancy in year t and let t represent the number of years since 1995.
asked by Monti 
topic
do you no any thing about puhum ben its a festival in cambodia that's all I know help????
asked by Aime 
French
I have to write the sentence "You (plural) need to make up your own mind" in french using "il faut que" and "prendre tes propres decisions." Would the result be "Il faut que vous prenniez tes propres decisions"?
asked by Leah 
accounting
At October 31, Nathan Company made an accrued expense adjusting entry of $1,400 for salaries. Prepare the reversing entry on November 1, and indicate the balances in Salaries Payable and Salaries Expense after posting the reversing entry.
asked by Amy 
algebra
the length of a rectangle is fixed at 12 cm. What widths will make the perimeter greater than 88 cm?
asked by Monti 
Physics
To compress spring 1 by 0.23 m takes 188 J of work. Stretching spring 2 by 0.27 m requires 211 J of work. Find the force constants. K1 = K2 = I have derived the formula for k as k = W/(2x^2) but when i plug in the values the answer isn't correct.
asked by Bobby C 
Math
Forest rangers use degree measure to identify directions and locate critical spots such as fires. A forest ranger at tower A observes smoke at a bearing of 149 degrees (clockwise from the north) while another forest ranger at tower B observes the same
asked by Gayle 
Communication Studies
Is it ever appropriate for a man to use women's speech? Is it ever appropriate for a woman to use men's speech? Give an example.
asked by Rachale 
Chemistry
When diluting a weak acid and a strong acid, why is it that the pH changes more significantly in the strong acid? (consider the equilibrium occurring) With HCl
asked by Anonymous 
Chemistry
What would be the most likely product(s) when you react CuI with NH4OH?
asked by Alan 
precalculus
information is given about the polynomial f(x) whose coefficients are real numbers. find the real zeros of f: degree 4; zeros: i, 3+i
asked by hawra 
Physics
A 80.00 kg object is hanging from two ropes. One rope (F1) is pulling due West. The second rope (F2) is pulling 80.00 degrees up of East. Calculate the force in the first rope (F1) in Newtons. How would I do this?
asked by Sarah 
Physics
A 450.00 kg object is hanging from two ropes. One rope (F1) is pulling 30.00 degrees up of West. The second rope (F2) is pulling 80.00 degrees up of East. Calculate the force in the first rope (F1) in Newtons. How would I do this?
asked by Sarah 
math
1) x+8y=33 x+4y=3 I need help solving this one using the elimination method!
asked by Kristin 
Math
Dalya received the proceeds from an inheritance on April 5. She wants to set aside enough on April 6 so that she will have $17,000 available on October 2 to purchase a car when the new models are introduced. If the current interest rate on 91 to 180day
asked by Thara! 
math
Can someone help me solve the following....using elimination methods 1) 5x+7y=43 4x+y=25 2)9x9y=36 7y3x=14 I think the answers are would the answer to number 1 be (4.26,1.52)? would the answer to number 2 be (0.5,6.5)? Can someone please verify or
asked by Holly 
Math
Can someone help me solve the following problems using the substituion method? I need to find the ordered pairs and I do not get it.... Here they are 1) 6m+n=47 m4n=12 2) 6x+4y=10 7x+y=57 3) 5x+7y=43 4x+y=25
asked by Kristin 
Economics
Pls help me to sole micro problem.Production function is Y=K^0.5L^0.5 and w=$1 (wage) and r=$2 (rent) P=$5 I need to find the long term optimum amount for K and L. Also long term optimun output and a cost function. Thank you.
asked by Anna 
Statistics
HO: µ = 70 H1: µ > 70 ó = 20, n = 100, xbar = 80, á = .01 a) calculate the value of the test statistic b) set up the rejection region. c) determine the pvalue d) interpret the results
asked by Tom 
VBScript
Option Explicit Dim Answer Dim aScores() Dim intNumScores ' Initialize Answer so loop will enter and execute Answer = vbOK Do While Answer = vbOK intNumScores = CInt(InputBox("How many scores will you be entering?", "Enter Number Of Scores")) ReDim
asked by Pete 
algerbra
f(X)=(x+1)2 that squared
asked by tyler 
Please Help
A bottle contains 0.5 quarts of grape juice. Keisha will use o.2 of the grape juice to make fruit punch. How much grape juice will keisha use for the fruit pumch? a. 0.3 b. 0.2, c 0.1 or d 0.01 I chose 0.3 but according to the teacher's edition it says the
asked by MATH PLEASE HELP 
math
0.3x0.2y=4 0.5x+0.3y=7/17 Can anyone Please help me solve using the elimination system..... Someone tried to explain it but I still do not get it at all
asked by Holly 
math
Elimination Method....I am not understanding this method either and need some help here is what I am working on: 1) x+8y=33 x+4y=3 2) 5x+5y=7 7x2y=13 3) 0.3x0.2y=4 0.5x+0.3y=7/17 Can someone please help me with these!
asked by Kristin 
math
solve using the elimination method 0.05x+0.25y=11 0.15x+0.05y=12
asked by Kristen 
English
Please can you check that I have put colons, semicolons and hyphens in the right places. In 1) I need to put a colon and a semi colon in the paragraph. 1)There were a hundred and fortytwo staircases at Hogwarts: wide, sweeping ones narrow, rickety ones
asked by Therry 
Physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve
asked by Sandra 
managment ethics
How do we solve this dilemma? Assuming capitalism is based on a mutual system of trust among consumers and producers, employers and employees, is one justified in breaking a contract even if it's in the pursuit of happiness? If we used Kant's Categorical
asked by flowerpower 
Accounting
Explain the components of costvolumeprofit analysis . What does each of the components mean?
asked by Wayne 
author
• Choose two topics from the Opposing Viewpoints Resource Center that interest you and locate a set of materials from the database for each topic. If you choose school violence as one of your topics, for example, you might find a magazine article that
asked by Anonymous 
Chemistry
Can [Cu(NH3)2]^+ and/or [Cu(NH3)3]^+ be oxidised by air to become [Cu(NH3)2]^2+ and [Cu(NH3)3]^2+ respectively?
asked by Alan 
math
can someone please help me with this elimination methods problem? 0.05x+0.25y=11 0.15x+0.05y=12 solve using the elimination method and give the ordered pair...
asked by Kristin 
Physics
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... a)The radius of the circle b)The mass of the particle c) The charge of the particle d) The magnitude of the magnetic
asked by Johnny 
math
0.3x0.2y=4 0.5x+0.3y=7/17 Can anyone Please help me solve using the elimination system.....
asked by Holly 
math
Can someone help me solve the following....using elimination methods 1) 5x+7y=43 4x+y=25 2)9x9y=36 7y3x=14
asked by Holly 
Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
asked by J 
math
How do you solve using the elimination method 0.3x0.2y=4 0.5x+0.3y=7/17
asked by Kristen 
social studies
Does Canada import products frrom Egypt? If so then what are they?
asked by shakti 
Physics
An item is shot off the ground at a force of 31N and an angle of 36 degrees. In order to find the vertical force, would I use SIN, COSINE, or TANGENT? would it go 31 * COS/SIN/TAN (36) or 36 * COS/SIN/TAN (31)??
asked by Sarah 
Math209
Selling shirts. If a vendor charges p dollars each forrugby shirts, then he expects to sell 2000  100p shirts ata tournament. a) Find a polynomial R(p) that represents the total revenuewhen the shirts are p dollars each. b) Find R(5), R(10), and R(20). c)
asked by Joseph 
Communication Language Studies
Most modern style manuals endorse the elimination of sexist language. Would the reduction of sexist language influence the thoughts or attitudes of individuals who comply with these standards? Why or why not?
asked by Jessica 
Chemistry
What is the stoichiometric ratio for Cu2+ ions with cuprizone to form the coppercuprizone complex?
asked by Alan 
Functions
use the factor theorem to determine whether xc is a factor of f(x)=x^3+8x^218x+20; x10.
asked by Paris 
Math
Use the fact that (125)^1/3 = 5 and the tangent line approximation to estimate (123)^1/3
asked by Chris 
math
How do I convert 7/13 to a decimal then to a percent?
asked by Missy 
English
In the princess bride, how are the characters altered to fit the parody style of the movie.
asked by Layla 
math
0.05x+0.25y=11 0.15x+0.05y=12 solve using the elimination method
asked by Kristen 
Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
asked by J 
computers
I need a part order module for parallel array named OrderNums
asked by mary 
Statistics
Draw the operating characteristic curve for n = 10, 50, and 100 for the following test: Ho: ì = 400 Hi: ì > 400 á = .05, ó = 50
asked by Tom 
Business
can you help me with this if you can In reviewing the office's profit and loss statement, the office manager notices a discrepancy between the stated revenue and cash deposits. In fact, it appears the office may have incorrectly booked $250,000 in revenue
asked by Lori 
Spelling
What is a 5 letter word for "To give way" with ie in the word?
asked by Logan 
Chemistry
How many kilograms of red iron oxide can be obtained from 1.00kg ferrous sulfate heptahydrate?
asked by Tammy 
Statistics
Determine the sample size necessary to estimate a population proportion to within .03 with 90% confidence assuming you have no knowledge of the approximate value of the sample proportion.
asked by Tom 
Social Studies
Where could I get information on school segregation?
asked by Shadow 
social studies
What are some products that Canada imports from Egypt?
asked by shakti 
psychology
Working on a paper entitled: neurological processes. Would like to have some data to help me work on it. Thank you very much.
asked by Rose 
Biology
I was really confused by this question? Considering the energy pyramid, where does the energy go or where is it used as you go from producers to tertiary consumers?
asked by Sam 
math.
2. Factor these (3x^11z^5)^3 b. (3x^5)^ 3 / 2x5(3y)^4 c.3x^5)^ 3 / 2x ^ 5(3y)^4 (same as b but  5 is the exponent)
asked by Alyssa Pacheco 
history
nigerian national assembly and its role in decision making
asked by belema 
Chemistry
What is the stoichiometric ratio for Cu2+ ions with cuprizone to form the coppercuprizone complex?
asked by Alan 
HISTORY
WHAT ARE GOOD REULTS OF WW1?
asked by STEPHANIE 
math
1) 6m+n=47 m4n=12 can someone help me solve using substitution method?
asked by Kristin 
history
what is the religon for Potawatomi
asked by Maylee 
math
How do you solve using the elimination method 0.3x0.2y=4 0.5x+0.3y=7/17
asked by Kristen 
alg/geo
m= 5/6, (8,9) find the equation of the line having the given slope and containing the given point
asked by vyu 
3rd grade
experiment on moment of force
asked by Anonymous 
HCS 320
paper comparing and contrasting your various organizations methodologies for disseminating health information with internal and external organizations. Identify any improvements that could be made and why.
asked by Anonymous 
Communication Language Studies
What kind of problems might occur in mixed gender interviewing situations or committee meetings?
asked by Breanna 
precalculus
Also with calculator, graph f(x), and determine all the possible maxima/minima coordinates to within two decimal points. f(x)=x^3+2x^2x2/x^2+x6 i did this and got my answers but i doubt they are right, can anyone get the answers if you have a TI8384
asked by Paris 
precalculus
one solution of x^35x^2+5x1=0 is 1. find the other two solutions.
asked by hawra 
Math Help Please
A bottle contains 0.5 quart of grape juice. Keisha will use 0.2 of the grape juice to makie fruit punch. How much grape juice sill Keisha use for the fruit? I chose a.)0.3. My mom says it is b.) 0.2 The teacher's edition says it is c.) 0.1. Can you please
asked by MATH PLEASE HELP 
finance
growth rate of eps. what is the groth rate of an eps of 2.40 to 4.48 in the past 5 years...
asked by ananoumous 
trig
how do i find the corresponding function formula and check the symmetry algebraically
asked by Paris 
5th grade
is a word or phrase  "thus," "therefore"  that shows that a conclusion is up ahead
asked by suzy 
math
How do I convert 7/13 to a decimal then to a percent?
asked by Missy 
math
SOLVE USING SUBSTITUTION METHOD X+2Y =1 8X +6Y + 4
asked by HELEN 
math
what is the way to know what was Thales statement ?
asked by hinanit 
psy270
identify the following Rational and guilty I need to know what each means
asked by trudy 
Anatomy
what are the two hormones that can alter tubular function
asked by Pamela Martin 
Pre Algebra
A consultant traveled 9 hrs to a meeting. The return trip took only 8 hrs because the speed was 10 miles per hr faster. What was the consultants speed each way?
asked by Susie 
math
6x + 3 =7  5x
asked by keshia 
math
average of: 8; 10; 12; 14; 16
asked by Anonymous 
math
a student chosen at random failed a driving test.
asked by terry