Sunday

December 21, 2014

December 21, 2014

Number of results: 47,567

**Algebra**

There are 15 people to choose from for a nine-person batting order in a baseball team. In how many ways can the people be arranged in the lineup? Is it 1,816,214,400? 2. A basketball team consists of 12 people. How many lineups of 5 people can be selected? Is it 792?
*May 13, 2014 by Anonymous*

**linear programming**

Exeter Mines produces iron ore at four different mines; however, the ores extracted at each mine are different in their iron content. Mine 1 produces magnetite ore, which has a 70% iron content; mine 2 produces limonite ore, which has a 60% iron content; mine 3 produces pyrite...
*May 20, 2012 by alia*

**Chemistry**

In solution, hypochlorite ion is known to decompose with a second-order rate law. If [ClO-]0 = 0.0570 M and k = 2.06x10-4 M-1·min-1, calculate the half-life for this reaction 2ClO- 2Cl- + O2.
*September 6, 2012 by Amber*

**chemistry (please check/help)**

How would you make a serial dilution if you have a starting value 100mM of X The are the values of X show different dilutions. Volume variables (x) mL 0 1 3 1 10 30 100 We starting out with 100mM of X which would be considered its concentration. In order to describe how to do ...
*January 28, 2007 by tatiana*

**Biology**

Arrange the following in correct order in food chain- Fish,Plankton,Shark,Crab
*March 3, 2012 by Zoopy*

**Math**

A state lottery requires you to choose 4 cards from an ordinary deck: I heart, 1 club, 1 diamond, and 1 spade in that order from the 13 cards in each suit. If all four choices are selected by the lottery, yo win $5,000. It costs $1 to play. Find the expected payback.
*April 2, 2013 by Devin*

**calculus**

se differential, i.e., linear approximation, to approximate (8.4)^(1/3) as follows: Let f(x)=(x )^(1/3). The linear approximation to f(x) at x=8 can be written in the form y=mx+b where m is: and where b is: Using this, we find our approximation for (8.4)^(1/3) is
*August 28, 2010 by jin*

**linear approximation**

a) Find the linear approximation of the function f(x)=4cos(3x^2) near x = 0 b) Use the approximation found in part (a) to estimate the value of f(pi/20)
*December 7, 2014 by Peter*

**Math**

Can in a Cone Find the volume of the largest can that can fit entirely under a cone with volume 900 cubic cm. 1.draw pictures of at least THREE different cases (including the endpoints if any). 2. define all variables CLEARLY (with words) and then use those variables ...
*March 11, 2013 by jonh*

**Math**

Can in a Cone Find the volume of the largest can that can fit entirely under a cone with volume 900 cubic cm. 1.draw pictures of at least THREE different cases (including the endpoints if any). 2. define all variables CLEARLY (with words) and then use those variables ...
*March 14, 2013 by jonh*

**Physics**

With your equations, I solved for the two unknown variables and got the correct answers for the forces. Thanks! Unfortunately, I don't really understand how you came up with those two equations in the first place. I set up a diagram and selected a pivot point force the forces...
*March 10, 2008 by Jessica*

**Psychology**

From Negative Reinforcement University...You're stuck in a dungeon. In each room water is filling to the top but you can choose a button a Triangle or a Circle and if you choose correct a door will open and you can continue to another room (there is a total of 5 rooms) if at ...
*November 1, 2010 by Anonymous*

**English**

Bret Harte "Plain Language from Truthful James" 1. What was the major theme in this poem? 2. What can we learn from the characters in the poem about the people of this time period. 3. What lesson can be learned from the plot if this poem. 4. What message was Hate trying to ...
*February 22, 2013 by Anonymous*

**Statistics**

You want to compare the quality of several statistics textbooks. (a) Identify two categorical variables and two quantitative variables that you would use to describe textbook quality. Give a reason for each of your choices. So I think for the first categorical variable the ...
*September 9, 2009 by Samantha*

**chemistry**

I need to find out which structure is more correct: Reaction of the compound C3H8O with CrO3 (oxidizing agent) yields acetone. Which of the three structures is more correct? (My three structures are as follows: 1-propanol, 2-propanol, and methylethyl ether.)
*January 18, 2011 by ella*

**Chemistry**

What kind of reaction is this (redox, precipitation, acid-base, or complex ion formation reaction)? 1. 3 Ca(s) + 2 Al^3+(aq) -> 3 Ca^2+(aq) + 2 Al(s) 2. LiHCO3(s) + heat -> Li2CO3(s) + CO2(g) + H2O(g) Complete the reaction: Ni(s) + 2 Na^+(aq) -> ?
*October 21, 2013 by Fred*

**Chemistry**

For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying concentrations are given below. run # [XO] [O2] rate, mol L-ls-l 1 0.010 0.010 2.5 2 0.010 0.020 5.0 3 0.030 0.020 45.0 The rate law is therefore a. rate = k[XO]...
*February 20, 2012 by Hannah*

**Math**

Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c. The last ten d. The ...
*June 18, 2013 by mysterychicken*

**Chemistry**

For the following reaction, the equilibrium constant Kc = 97.0 at 900K. If the initial concentrations of NH3 and H2S are both 0.20 M, what is the equilibrium concentration of H2S? H2S(g) + NH3(g) = NH4HS(s) Would you have to create an ICE chart for this type of problem?
*March 17, 2012 by David*

**ap chemistry :(**

consider the reaction C6H14 + 9.5O2 yields 6CO2 + 7H2O at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no work is done as the ...
*October 18, 2012 by sam*

**maths**

Compass bearings of a carin are taken from two points A and B, 400 m apart, along a strsight north-south path, A being due north of B. the bearings of the carin from A and B are 110 degrees and 80 degrees, respectively. choose the two options which give the distances from A ...
*April 19, 2007 by kelly*

**chemistry**

Aspirin, C 9 H 8 O 4 , slowly decomposes at room temperature by reacting with water in the atmosphere to produce acetic acid, HC 2 H 3 O 2 , and 2-hydro x ybenzoic acid, C 7 H 6 O 3 (this is why old bottles of aspirinoften smell like vinegar):C 9 H 8 O 4 + H 2 O p HC 2 H 3 O ...
*April 9, 2013 by vikha*

**physics **

Monochromatic light of wavelength 550 nm passes through a diffraction grating that has 55000 lines/m. A bright line appears on the screen at an angle of 12.23o from the central bright fringe. What is the order of this bright line? Choose one answer. a. 5 b. 6 c. 7 d. 8
*April 30, 2011 by ashley --*

**chem**

which one of the following statements about sulfuric acid is correct? A. sulfuric acid is a known muriatic acid B. sulfuric acid is a strong oxidizing agent C. sulfuric acid has little effect on metals D. sulfuric acid is dangerous to living organisms B and D are both correct...
*August 5, 2005 by alf*

**chemistry**

The standard free energy of activation of a reaction A is 78.2 kJ mol–1 (18.7 kcal mol–1) at 298 K. Reaction B is ten million times faster than reaction A at the same temperature. The products of each reaction are 10.0 kJ mol–1 (2.39 kcal mol–1) more stable than the reactants.
*December 6, 2012 by Deidra *

**Algebra 1**

1)A farmer plans to create a rectangular garden that he will enclose with chicken wire. The garden can be no more than 30 ft wide. The farmer would like to use at most 180 ft. of chicken wire. Write a system of linear inequalities that models this situation. 2) Determine the ...
*January 2, 2013 by Hally*

**Chemistry 2**

For the fist order reaction A <-> B, calculate the t1/2(half life) and k(rate constant) and also fill in the blanks. A-Concetration t-time 20 0 10 ? 5 40 sec 3 ? ? 500 sec t1/2=? k=?
*March 3, 2014 by Ivan *

**Chemistry 2**

For the fist order reaction A <-> B, calculate the t1/2(half life) and k(rate constant) and also fill in the blanks. A-Concetration t-time 20 0 10 ? 5 40 sec 3 ? ? 500 sec t1/2=? k=?
*March 3, 2014 by Ivan *

**chemistry**

The decomposition reaction, x-->products, is second-order with rate constant k=0.0183 L/(s)(mol). How long will it take for the decomposition to be 95% complete, if the intitial concentration of X is 1.25mol/L? Thanks
*June 18, 2014 by Jin*

**Biology**

Okay so if i have two enzyme catalyzed reactions: 1) delta g of the ES = -22kJ/mol 2) delta g od the ES = 42 kJ/mol Is this first reaction going to have a higher reaction rate because the of the negative delta g, because doesnt a negative delta g give you a spontaneous ...
*January 26, 2013 by Cindy*

**Cal 1**

Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answers to three decimal places.) (1 + 2x)^1/4 ≈ 1 + 1/2x
*March 7, 2013 by Dee*

**statistics**

suppose a company receives 60% of its order the internet. what is the probability that the fifth order received is the first internet order? what is the probability that the eight order received is the fifth internet order?
*December 17, 2011 by Anonymous*

**Math**

This box plot shows the heights in inches of girls on a freshman basketball team. What would you say is a typical height of a team member? I can't show the box plot on here, but I would like to know what a "typical height" is. Like is this asking for an average height or ...
*May 7, 2013 by Cassidy*

**Science**

What were Mendeleev's reversals?How did Henry Moseley explain them? Mendeleev thought the periodic table was in order of atomic mass. Mosley determined that atomic number was the correct order. http://www.chemistry.co.nz/henry_moseley.htm
*October 16, 2006 by Raquel*

**science very urgent help?**

Susan has heard that taking an over-the-counter ‘energy’ pill, which contains as much caffeine as a strong cup of coffee, makes people feel alert and ‘speedy’. She wonders if taking this pill will make a difference to the reaction times of people doing an online reaction test...
*December 13, 2013 by sam*

**Statistics**

Prev Up Next (1 pt) Suppose that in the year 2000, the cost of a compact car averaged $ 12600 and that in 2003, the cost averaged $ 14100. Assuming that the relationship between year t and cost c is linear, develop a formula for predicting the average cost of a compact car in ...
*March 8, 2014 by Rebecca *

**chemistry (work shown)**

How would you make a serial dilution if you have a starting value 100mM of X The are the values of X show different dilutions. Volume variables (x) mL 0 1 3 1 10 30 100 We starting out with 100mM of X which would be considered its concentration. In order to describe how to do ...
*January 28, 2007 by tatiana*

**Math**

Tom's new CD player has a 9-disc changer. If she owns 45 CDs, in how many ways can he choose 9 CDs to listen to? After picking 9 CDs, in how many ways can he order them in the 9 slots of the changer?
*April 17, 2011 by Tracy*

**Biology help**

can anybody please tell me if the diagram to show anaphase 1 is a cell with the 4 genes at the top and 4 genes at the bottom, im struggling with this as there are many diagrams to choose but is this one correct mant thanks
*April 12, 2007 by bex*

**Physics**

The materials with the lowest resistance are called a) conductors b)superconductors c)semiconductors d) insulators I can't decide between a) or b) but if I had to choose one would the correct one be b)?
*April 5, 2008 by Andrea*

**chemistry correction**

1. Which two elements react vigorously with each other? A: Chlorine and lithium B:Chlorine and potassium C:iodine and lithium D:iodine and potassium my answer is B 2. which statement about electronegativty is correct. A: Electronegativity decrease across a period. B:...
*March 11, 2010 by Richard*

**ap chemistry :(**

consider the reaction C6H14 + 9.5O2 yields 6CO2 + &H2) at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no work is done as the ...
*October 18, 2012 by samuel*

**differential equations **

Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two first-order equations. please ...
*November 16, 2011 by Rikki *

**Chemistry**

A reaction is said to be diffusion controlled when it occurs as fast as the reactants diffuse through the solution. The following is an example of a diffusion controlled reaction. The rate constant for this reaction is 1.4x1011 M-1s-1 at 25oC and the reaction obeys the ...
*May 19, 2009 by Kevin*

**English**

Hi there, could you help me create a thematic statment for the following essay question Discuss the contribution to Scout's maturation by three of the following characters: Calpurnia, Mrs.Dubose, Mr.Cunninghan, Miss Caroline and Mayella Ewell. Why are they significant. I chose...
*April 23, 2009 by Kristen*

**math**

There are 5 options on the dessert menu at a restaurant. Erin and Ellen like all of the choices equally, so they each choose a dessert at random from the menu. What is the probability that Erin will choose apple pie and Ellen will choose strawberry cheesecake for dessert? ...
*April 24, 2013 by re*

**Probability and Linear Math**

SET UP BUT DO NOT SOLVE THE FOLLOWING LINEAR PROGRAMMING PROBLEM. A financier plans to invest up to $500,000 in two products. Project A yields a return of 10% on an investment, whereas Project B yields a return of 15% on the investment. Because the investment in Project B is ...
*December 1, 2014 by Missy*

**Chemistry**

I can not determine the answer for this problem...can someone please help me? Determine the number if moles of MgO that form from the reaction of 4.4 moles of O2 in the following unbalanced reaction: Mg + O2 ----> MgO The balanced equation is: 2Mg + O2 -----> 2MgO a. 1.1...
*September 10, 2009 by Jessica *

**Chemistry**

The question is "the reaction CO + SO3 <=> CO2 + SO2 has two possible mechanisms. If the rate law for this reaction is rate=k[SO3] which mechanisms is correct? which step in THAT mechanisms is the slow step? and the mechanisms are: mechanism 1 CO + @ -> CO@ SO3 + CO...
*June 5, 2011 by Kat*

**English**

Can you check these sentences for me and help me find suitable synonyms? 1) Julius Caesar has just come back from a victorious (or triumphant) battle against his rival Pompey 2) Where has J. just come back from? 3) Some of his followers plot (synonym) against him and try to ...
*January 24, 2010 by Franco*

**grammar(correct version**

Choose the correct version of the sentence. The bird naive but curios-flew straight towards the cat.(my choice) The bird-naive but curious-flew straight towards the cat. Can someone please check for me
*April 18, 2012 by lilman*

**social studies**

An unintended consequence of World War II was the creation of the nation of Israel in order to A. Provide a buffer zone between the West and Communist East. B. Establish a Jewish homeland. C. Create a refuge for Germans who lost their homes during World War II. D. Give Great ...
*January 30, 2012 by anonymous*

**chemistry**

A certain first order reaction has a rate constant of 3.75x10^-2 s^-1 at 25.0C. What is the value of k at 70.0C when the activation energy is 135 kj/mol? Would I use the formula K=Ae ^-Ea/RT even though I have two temperatures?
*March 14, 2012 by student*

**algebra**

The value, v, of a shopkeepers inventory software program is given by v= -1/2t+5, where t is the number of years since the shopkeeper bought the program. What is the program worth four years after it is 1st purchased. Plot the point with the given t-value, 4. I have made ...
*May 13, 2011 by anonymous*

**Ms.Sue NEED YOU HELP LANGUAGE ARTS URGENT!!!!!**

1. In a persuasive essay, the thesis statement should represent an opinion. (1 point) True False Multiple Choice 2. The most common structure of a persuasive essay is (1 point) order of importance. chronological order. problem and solution. 3. Which of the following is NOT a ...
*December 18, 2012 by Gabby*

**Physics**

Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 170 m in radius. How quickly must the space station turn in order to give the astronauts inside it apparent weights equal to their real weights at ...
*February 11, 2011 by M*

**physics**

Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 120 m in radius. How quickly must the space station turn in order to give the astronauts inside it apparent weights equal to their real weights at ...
*March 15, 2011 by olga*

**Biology Science**

Arrange the following in correct order in food chain- Fish,Plankton,Shark,Crab
*March 5, 2012 by Sweeny*

**CHEMISTRY**

Are these listed in the correct order of increasing average molecular speed? NH3<N2<CO2<SO2<Cl2 ???
*May 12, 2012 by John*

**Chemistry**

which of the following sets of elements is arranged in order of decresing electronegativity? O,S,As Cl, B, CL Br, Cl, P Be, C, O please explain correct answer
*February 23, 2014 by Lisa*

**psychology**

In psychology,correlation measure the strength of the link between two variables. It is also important to know that correlations do not show: a)the strength of the relationship b)causation c)the direction of the relationship d)what occurs between sets of observations IS B ...
*March 2, 2010 by vedrana*

**Chemistry**

Calculate the percent yield of iron if 950 g of Fe3O4 underwent the reaction shown in the chemical equation below and 533 g of Fe was isolated from the reaction mixture. Fe3O4 (s) + 2 C(s) ----> 2 CO2 (g) + 3 Fe(s) 1). 25.9% 2). 77.5% 3). 56.1% 4). None of the above. Based ...
*April 11, 2007 by Van jan*

**Algebra**

How can you tell if an equation is quadratic and not linear? Quadratic equations contain a term that is squared (such as x^2). Linear equations are of the form y = mx + b, where m and b are constants. the variable in a quadratic equation must be squared ..but in linear ...
*July 11, 2007 by Jess*

**calc**

Consider a function f : {R}^2 \to {R}^2 for which f(4, -4) = (3, 3) and f{D}f(4, -4) = (5 4) (-3 0) <-- this is a 2x2 matrix The linear approximation of f at the point (4, -4) is (written as a row vector) is L(x,y) = (___,___) thanks, I have no idea where to. Since they ...
*April 11, 2010 by John*

**math**

I have a graph plotted which makes a straight line (linear graph) The points are as follows X , Y (.25, 0.593) (.50, 1.161) (.75, 1.762) (1.0, 2.348) I need to determine the linear range. Also, can Beer's Law be applied?
*September 3, 2010 by j*

**Calculus Help Please!!!**

Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answers to three decimal places.) ln(1 + x) ≈ x xE
*March 30, 2014 by Tim*

**Psychology**

Can someone please tell me whether or not these answers are correct. Thanks! 1. Regarding the memory processes, incoming information is first _______, then stored, and finally the memories must be _______, or taken out of storage to be useful. a. retrieved; encoded b. encoded...
*November 19, 2011 by Marilyn*

**Solving a system of linear Equations using Substit**

Suppose a school club publishes a newslettter. Expenses are 90 cents for mailing and printing each copy, plus 600 total for research and writing. The price of the neewsletter is a 1.50 per copy. How many copies of the newletter must the club sell in order to break even?
*February 22, 2011 by Tonnie*

**Algebra**

I am having trouble with this one… Can someone please show me the steps, the pairs to plot and the asymptotic? Thank you in advance! Evaluate the logarithmic equation for three values of x that are greater than 2, three values of x that are between 1 and 2, and at x=2. Show ...
*June 16, 2010 by Kris*

**Angular acceleration**

A flywheel of 480 mm diameter is accelerated with an angular velocity of 0.4 rad/s^-2 from rest by an electric motor until it is rotating at 400 revs/minute. Calculate: a) the time of acceleration b) the linear speed of the rim of the flywheel My answer for (a) is 104.7 secs, ...
*January 21, 2007 by Jim (BIGEYE)*

**chemistry**

The first-order reaction, SO2Cl2 ¨ SO2 + Cl2, has a rate constant equal to 2.20 ~ 10-5 s-1 at 593 K. What percentage of the initial amount of SO2Cl2 will remain after 6.00 hours?
*September 27, 2010 by JOSEPH*

**CHEMISTRY**

The first-order reaction, SO2Cl2 ¨ SO2 + Cl2, has a rate constant equal to 2.20 ~ 10-5 s-1 at 593 K. What percentage of the initial amount of SO2Cl2 will remain after 6.00 hours?
*September 27, 2010 by JOSEPH*

**Chemistry**

What is the activation energy for a simple A->B fist order type of reaction with the following rate constants at different temperatures? Temp rate constant (k) 310K 1.77 x 10-1s-1 480K 3.22 x 10^2s-1
*December 7, 2011 by Kristi*

**Chemistry**

In a reversible reaction, chemical equilibrium is attained when ? 1. Rate of the forward reaction is greater than the rate of the reverse reaction. 2. Rate of the reverse reaction is greater than the rate of the forward reaction, 3. Concentration of the reactants reaches zero ...
*March 9, 2011 by Jazmin F. *

**math 115**

1.eleven applications for a certain position had the following ages. 32, 33, 25, 36, 48, 51, 28, 23, 54, 52, 45. sort them out in ascending order. 23, 25, 32, 33, 36, 45, 48, 51, 54, I picked 33 for the middle number to get the median is it correct? 2.clay is building a pen ...
*September 6, 2009 by Lea*

**BIOLOGY**

How to create a dichotomous key? I have an assignment on how to create a dictomoous key with this ten different things' Hornet, Leech,salamander,iguana,tulip plant,pig,paramecium,pinetree,housefly,MUSHROOM could someone help me with this
*September 11, 2010 by AMARI*

**Chemistry**

50 mL of copper(II) sulfate reacts with 50 mL of sodium hydroxide. Their concentrations are 0.3 M and 0.6 M respectively. The temperature increased to 23.6 C from 23.4 C. Determine the enthalpy change for the reaction in kJ/mol of sodium hydroxide. Q=mcΔT =(50g + 50g)(4....
*March 3, 2013 by a Canadian*

**Calculus Help Please**

let f(x)=(x-1)^2, g(x)=e^(-2x), and h(x)=1+ ln(1-2x) find linearization of f, g, and h at a=0 Lf(x)= Lg(x)= Lh(x)= graph f,g, and h, and their linear app. For which function is the linear app. best? for which is the worst? explain. the linear app. appears to be best for the ...
*April 2, 2014 by Ahmed*

**Physics**

A pair of eyeglass frames made of plastic with a coefficient of linear expansion of 1.30x10-4 (Cº ) -1 have circular lens holes of diameter 4.40 cm at room temp (20º C). To what final temperature must the frames be heated in order to insert lenses 4.42 cm in diameter? (Hint: ...
*November 30, 2013 by Angie*

**Physics**

A pair of eyeglass frames made of plastic with a coefficient of linear expansion of 1.30x10-4 (Cº ) -1 have circular lens holes of diameter 4.40 cm at room temp (20º C). To what final temperature must the frames be heated in order to insert lenses 4.42 cm in diameter? (Hint: ...
*December 1, 2013 by Angie Need Help ASAP*

**managerial economics**

Suppose the inverse market demand equation is P = 80 ¡V 4(QA+QB), where QA is the output of firm A and QB is the output of firm B, and both firms have a constant marginal constant of $4. Firm B is the Stackelberg leader in this market. (a)State the reaction function for firm A...
*September 7, 2008 by jenny*

**algebra**

1 Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for a 2 4 7 3 2 Solve the set of linear equations by Guassian elimination method : a+2b+3c=5, 3a-b+2c=8, 4a-6b-4c=-2. Find a 1 4 5 -1 3 Solve the set of linear equations by ...
*January 14, 2013 by Mandung*

**programming**

create a program that prompts the user for a number the returns the value on the main method after validation.Create a method that promts the user for input?
*April 11, 2013 by thabo *

**Botany**

Choose the correct option: The strongest evidence in favour of DNA as genetic material comes from - 1) Griffith effect 2)Conjugation 3)Taylor's experiment 4)Caim's effect
*June 14, 2011 by Shivangi*

**amth/algebra**

can someone help me with simplification: ã20/5 - 1/ã5 my first answer is 1/ã5 my second answer is 10 -ã5/5 but the answere I have to choose from are: (a) ã20 - 5ã5/ã5 (b) ã20 - ã5/5 (c) cannot be simplified (d) 1/5ã5 which is correct and if I'm not where did I go ...
*July 29, 2007 by dee*

**Math Word Problems**

Citydog Screen Printers received two orders for a t-shirt designed for a math symposium. The first order was for 40 shirts at a total cost of $295 and the second order was for an additional 80 shirts at a total cost of $565. Each order included a shipping and handling charge. ...
*September 14, 2007 by Lisa*

**stats**

In each of the four examples listed below, one of the given variables is independent (x) and one of the given variables is dependent (y). Indicate in each case which variable is independent and which variable is dependent. I. Gas consumption; Miles driven II. Course grade; ...
*July 10, 2011 by Celest*

**English**

We were asked to pick 3 literary elements and explain how they can be affected by setting. I have protagonists and antagonists as one, that they can change due to not being completely rounded just yet - basically in the sense that the characters kind of create themselves as ...
*January 9, 2014 by Me*

**Chem**

What is the enthalpy for the following reaction? overall: C2H4+H2O--->C2H5OH is -1411kJ correct??
*November 4, 2010 by Angel*

**chemistry**

Write down the correct mechanism for the reaction between 3-methyl-2-pentene and HCL?
*February 18, 2011 by ben*

**linear programming**

Brian Q’ Rourke, owner of The Horse & Hound Pub in Dublin, is preparing for St. Patricks Day, amd he must determine how much cider to stock. Brian sells three brands of cider on tap – Murphy’s Blackton, and red Rye. The cost per gallon (to the pub owner) of each brand is as ...
*June 6, 2012 by uma*

**linear programming**

Brian Q’ Rourke, owner of The Horse & Hound Pub in Dublin, is preparing for St. Patricks Day, amd he must determine how much cider to stock. Brian sells three brands of cider on tap – Murphy’s Blackton, and red Rye. The cost per gallon (to the pub owner) of each brand is as ...
*June 6, 2012 by uma*

**Economics.**

What does, "What are two strategies might you employ in order to create and maintain a high demand for stained glass windows. Be sure to consider what would work best for your targeted customer base." mean? NOTE: My targeted customers are: In their middle to older age Any ...
*October 20, 2013 by Nicole*

**O.CHEM -> PLEASE CHECK!!**

Arrange the compounds in the order of increasing boiling point ***(LOWEST first): 1) H3C-O-CH3 2) H2O 3) CH3CH2OH 4) CH3CH2SH I think the order should be: #1, 4, 3, 2 Arrange the following in order of increasing rate of reactivity with conc.HBr ***(LEAST first). a) ...
*March 12, 2008 by K*

**calcus/ math**

Nick has enough wire to construct a 100m of fence. he wish to use it to form three sides of a rectangular garden,one side is along his building. 1)What dimensions should be choose in order to enclose the largest possible area? 2)Verify the result thus obtained by graphical ...
*December 28, 2010 by Jessy*

**Chemistry**

time(s) 30 60 120 180 240 300 420 480 t(*c) 13.8 13.8 13.9 13.1 14.2 14.3 14.5 14.7 14.8 b. if t1= 24.5*c, T2= 1.5*C, tr= 23.6*c, and with the tf obtained from the plot, determine Ccal, in J/*C, if the procedure descrived in the laboratory is followed. 3.when 0.600g of metal ...
*April 14, 2011 by Daniel Medaris*

**SS8R: Robber Baron or Captains of Industry Project**

Create a PowerPoint about your Captains of Industry (min. 7 slides) I chosen Andrew Carnegie, John D. Rockefeller, and Cornelius Vanderbilt for me previous assignment (that's why I ask you those questions about them). Now I have to choose ONE OF THEM to do my project. In my ...
*November 1, 2012 by Laruen*

**math**

Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answers to three decimal places.) 1/(1 + 2x)^5 ≈ 1 − 10x
*October 10, 2014 by jedidiah*

**chemistry**

A balanced equation that represents an overall cell reaction is shown. Choose the cell notation which corresponds to the electrochemical cell that is described by this equation. 2H2O(l) → 2H2(g) + O2(g) i dont get why the answer is this. How can OH- appear in both sides ...
*June 3, 2010 by eng*

**ANYBODY HERE?????????????????????????????????**

PLEASE ANSWER MY QUESTION! THANK YOU! WHAT IS A PLOT? A plot (in mathematics and engineering) is a graph. It geography, it is a piece of land. In a cemetery, it is a grave site. It can also be a covert plan of action or conspiracy. In English a "plot" can be the form a story ...
*December 23, 2006 by TANU*

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