Questions Asked on
November 29, 2010

chemistry
The following data were collected at the endpoint of a titration performed to find the molarity of an HCl solution: Volume of acid (HCl) used = 14.4 mL; Volume of base (NaOH) used = 22.4 mL; Molarity of standard base (NaOH) = 0.200 M; What is the molarity
asked by vin 
chemistry
Given the table of Ka values on the right below, arrange the conjugate bases in order from strongest to weakest. Acid Ka HClO 3.5 e8 HClO2 1.2 e2 HCN 6.2 e10 H2PO4 6.2 e8 A. ClO2, ClO¬, HPO42, CN B. ClO2, HPO42, ClO¬, CN C. CN, HPO42,
asked by linda 
Biomechanics
If an average net force of 20N at 45* is applied to a 0.35 kg water balloon for 0.12s. how far away should the catcher stand? Assume release height and cathc height are the same and air resistance is not a factor.
asked by Bob 
chemistry
What would be the resulting molarity of a solution made by dissolving 21.9 grams of KCl in enough water to make an 869milliliter solution?
asked by smith 
chemistry
If 35.8 grams of LiCl are dissolved in 184 grams of water, what is the concentration of the solution in percent by mass?
asked by smith 
chemistry
What is the mass of 5.00 moles of Pb(CH3COO)2?
asked by jeff 
chemistry
How many molecules are 100.00 grams of H2O?
asked by jeff 
physics
Spirit of Australia, a hydroplane boat, made speed records by traveling 239 miles in 0.75 hours. What is its record breaking speed?
asked by cori 
chemistry
Why is the ionic compound NaCl (table salt) able to dissolve in a glass of the molecular compound water (H2O)?
asked by smith 
Chemistry
which formula is correctly paired with its name? 1.MgCl2 magnesium dichloride 2.N2O5 dinotrogen pentoxide 3.H20 hydrogen oxide 4.CuCl2, copper (III) chloride please help! i think its1 or 4
asked by Anonymous 
Chem 20
Calculate the mass of strontium hydroxide required to make a 450mL solution with a pOH of 4.00. Step 1: Find pOH. I found that pOH is 10. The next steps is where I'm stuck. Step 2 :Calculate the hydroxide ion concentration. Express your answer in
asked by Anonymous 
pre calc
prove identity cscx(cosx)(cotx)=sinx
asked by logan 
Chemistry
235.over.92U + 1.over.n > 90.over.38Sr + 3 1.over.n + ??
asked by Gman 
test
235U 92
asked by d 
computer,plz...give me answer fast
a company decides to sell the game on a cd rom instead of many floppy disks ,state 3 reasons why they should do this?
asked by sweetie 
computer
explain the need for back up procedures.describe suitable backup procedures for home,including how often backups should be taken and where they should kept?
asked by sweetie 
english
At my son’s very first softball game his team did not do very well. No one seemed to be able to hit the ball or run the bases when they were up to bat. When they were in the field they would either run from the ball or be nowhere near it when they
asked by melissa 
computer
what are the similarities and differences between main memory and hard disk.atleast write 5 points.
asked by sweetie 
math
Compute the effective rate of interest given the nominal rate of 7 3/8% compounded monthly
asked by Anonymous 
physics
A yoyo is made of two solid cylindrical disks, each of mass 0.053 kg and diameter 0.073 m, joined by a (concentric) thin solid cylindrical hub of mass 0.0052 kg and diameter 0.012 m. Use conservation of energy to calculate the linear speed of the yoyo
asked by Sasha 
Calculus  MathMate Please help
I asked this question on last thursday and u told me that the bottom limit for the 1st and the right limit for the 2nd area is missing? The question that i posted had no other information and i don't know why you said that the limits are missing. There is
asked by K 
history 1945 and up
explain how the policies introduced suring the reagan presidency contributed to conservative politics and stimulation of the economy.
asked by cristee 
Physics
A car is travelling with a 5m/s in 25 minutes at a distance of 30cm calculate initial velocity and declaration of the car.
asked by Abdullah 
Physics
A car is travelling with a 5m/s in 25 minutes at a distance of 30cm calculate initial velocity and declaration of the car.
asked by Abdullah 
chemistry
An old bottle of 12.3 M hydrochloric acid has only 33 mL left in it. What is the HCl concentration if enough water is added so that the final volume is 513 mL?
asked by masin 
math
how can i find c , f', g' from (1+cx)(f')cx(g')/(1+cx)^2
asked by thy 
history 1945 and up
• Final Project: Most Significant Events • Resources: Appendix A • Write a 1,750 to 2,050word essay in which you: 1. Choose one social, economic, or political topic/issue/theme that you think had the most powerful effect on the development of the
asked by cristee 
Math  derivative of sinusoidal (check)
a) Find a function y=f(x) that satisfies the differential equation dy/dx = fifth derivative. This is one of the questions in my practice test, I tried the basic equation of the trig function such as f(x)= sin(x) or f(x)=sin(x) however in the fourth
asked by Farah 
C++ Programming
Video Game Player Program Write a program to do the following. In main declare a Player Name Array and a Score Array. Declare the size of the arrays to be 100. In the InputData function input the player name and score into the arrays for an unknown number
asked by Jeffry 
Physics
______1. Which of the following is NOT true about a stone dropped from the third floor of the high school building? A. It is a freefalling object. B. It accelerates at the rate of 9.8 m/s2. C. It decelerates at the rate of 9.8 m/s2. D. Its initial
asked by Joshua 
chemistry
equation of the reaction of hydrochloric acid and iron sulphide
asked by melody 
financial accounting and reporting
january 01,2007 Mr.A started a business with cash Rs.3000,000 Bank RS.4000,000, Building Rs.3000,000,Laptop Rs.80,000, Desktop computers Rs.50,000,Fax machine Rs.100,000,Simple calculators Rs.5,000, Financial calculators Rs.10,000, Printer Rs.35,000,
asked by saedd 
Math
2^x = (3/2)^6 solve for x
asked by Gray 
physics
Posted by sandhu on Sunday, November 28, 2010 at 10:03pm. A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by an elastic band (k=998 lb/ft) that has an initial stretch of 5.6 feet. What is the maximum distance
asked by sandhu 
English (Grade 6)
What is the best website to practice direct and indirect speech, adjectives and verbs for free? Thank you
asked by Tiffany 
history
What social, economic, and political factors led to the need for the formation of labor unions?
asked by Katey 
math
(2x+3)(5x7)/6x+11=8/3
asked by Hitesh 
chemistry
Suppose you carry out TLC separation of acetaminophen and ibuprofen on silica ggel using a nonpolaar developing solvent. which should have a higher Rf? Assuming that the drug components whose spots you identified dissolved completely when you stirred the
asked by tristan 
comm155
help write: Write a paragraph, using several sentences, to describe a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. Use at least five different pronouns in your
asked by queen 
physics
A harmonic wave moving in the positive x direction has an amplitude of 3.1 cm, a speed of 37.0 cm/s, and a wavelength of 26.0 cm. Assume that the displacement is zero at x = 0 and t = 0. Calculate the displacement (in cm) due to the wave at x = 0.0 cm, t =
asked by Anonymous 
Chemistry
In an experiment liquid hexane, C6H14 (l) is combusted completely to produce CO2(g) and H2O (l) according to the equation: 2 C6H14 (l) + 19 O2(g) > 12 CO2(g) + 14H2O (l) The change in H degrees for the reaction is 8.39 x 10^3 KJ. Calculate change in H
asked by vvvvvv 
English
Can you please check these sentences on Shelleys's Frankenstein? Thank you very much for your help. 1) The monster can be compared to Rousseau’s primitive man, since he comes to life free from social constrictions and unspoilt by civilization. 2)However,
asked by Franco 
English
I forgot to include the following sentences.I really hope you can have a look at them, too. 1) Coleridge’s Rime of the Ancient Mariner and Shelley’s Frankenstein share similarities. Actually, both the shooting of the albatross and the creation of the
asked by Franco 
chemistry
Most elements are stable with eight (8) valence electrons. True or False Elements react in order to gain, lose, or share electrons. True or False
asked by samantha 
statistics
the following sample observations were randomly selected: x: 2,5,6,8,9,11,15 y: 22,23,16,18,19,13,12 a)calculate the correlation coefficient, r b) determine the regression equation c) determine the value of Y when X=20
asked by skitter 
chemistry
What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride I think 16 but im not sure
asked by samantha 
Chemistry Help
Which of the following species are isoelectronic? Select all that apply. 1) S^2 2) Be^2+ 3) Cl^ 4) K^+ 5) Ca^2+ 6) Se^2
asked by Amy 
math
number patterns write the next 2 terms for the pattern 2,4,8,32,,.
asked by ty_11 
math
how long will it take to earn $525 in interest if $3500 is invested at 6% annual interest rate ?
asked by teeka 
us history
The Mayflower compact is an example of which concept?
asked by Tim 
College Chemistry
If current is passed in an electrolytic cell containing sodium nitrate, NaNO3, dissolved in water, what are the products at the anode and the cathode? If it's dissolved in water then it is: NaNO3 > Na+ + NO3 right? So you have... Anode: NaNO3 > Na+ + e
asked by James 
Chemistry
In each of the following pairs, choose the species with the larger radius. 1) S^4+ or S^2+ 2) S or S^2
asked by Amy 
Physics
Thanks you alot for correction. A car is travelling with a 5m/s in 25 minutes at a distance of 30 cm calculate initial velocity and decelaration of the car.
asked by Abdullah 
Physics
Thanks you alot for correction. A car is travelling with a 5m/s in 25 minutes at a distance of 30 cm calculate initial velocity and decelaration of the car.
asked by Abdullah 
Physics
Thanks you alot for correction. A car is travelling with a 5m/s in 25 minutes at a distance of 30 cm calculate initial velocity and decelaration of the car.
asked by Abdullah 
Calculus
If the region in the first quadrant bounded by the graph of y=cosx and the interval[0,pi/2] is bisected by the line x=c, guess c.
asked by Farva 
Chemistry
Which of the following electron configurations is not consistent with Hund's rule? 1) 1s^2 2s^2 2p^2 3s^1 2) 1s^2 2s^2 2p^6 3s^2 3p^5 3) 1s^2 2s^2 2p^6 3s^3 3p^6 4) 1s^2 2s^2 2px^2 2py^1
asked by David 
Ap chemistry
A 20mL sample of .200M potassium dichromate solution is added to 30 ml of .4M silver nitrate. What is the balnced molecular equation?
asked by Sarah McKee 
Physics
Thanks you alot for correction. A car is travelling with a 5m/s in 25 minutes at a distance of 30 cm calculate initial velocity and decelaration of the car
asked by Abdullah 
math
Farmer Frank's pumpkin patch had 360 pumpkins and he was searching for perfect pumpkins to sell at his farm stand. As he walked through his pumpkin patch, he noted the following: Every third pumpkin had no stem. Every sixth pumpkin was too small. Every
asked by Susan 
Algebra
What is the value of x such that the list 100, 102, 104, x, x, 106, 104, 118, 113, 101 has the same mean and mode?
asked by Tony 
Chemistry
What is the concentration, in w/w%, of a solution prepared from 50.0 grams NaCl and 150.0 grams of water? I think it would be 25.0%, but I'm struggling with these new concentration calculations.
asked by Ann 
Physics
A player is 6.5 ft tall.What is the player’s height in meters?
asked by JJ 
math
37 is what percent of 58?
asked by de 
chem
what are 6 elemts that make up Yellow Gold? What are 6 elements that make up White Gold? What are 5 elements for platinum for gemstone settings? what are 2 elements that make up palladium for gemstone settings? what is 1 element that makes up a diamond? 3
asked by samantha 
math
express 0.028 as a percent
asked by Anonymous 
geometry
In an isosceles trapezoid, the longest base is 11", a leg is 5", and the height is 4". Find the length of the shorter base of the trapezoid.
asked by gayle 
economics
What were greenbacks?
asked by patrick 
Chemistry
An aqueous mixture containing starch, NaCl, glucose and albumin is placed in a dialyzing bag and immersed in distilled water. Which of the following, correctly describes the location of the indicated substance after dialysis? A. albumin, inside B. starch
asked by Beth 
Chemistry
A solution that has an osmotic pressure greater than that of red blood cells is called?
asked by Ann 
Chemistry
I'm having trouble with molarity. What is the molarity of a KCl solution made by diluting 75.0 mL of a 0.200 M solution to a final volume of 100.0 mL?
asked by Madison 
chem
A solution is prepared with 50.0 g of HNO3 and 130.0 g of H2O. It has a density of 1.21 g/mL. What is its molarity (M)?
asked by Michelle 
7th grade Pre algebra( math honors0
triangle ABC is smilar to triangle FED Ab= 12 Ac=15 De=4 df=5 1. write three equal ratios to show correspnding sides are prosportional. 2. find the value of bc 3. find the value of ef.
asked by panda 
chem
158.5 mL of a AgNO3 solution at 5.0M was combined with a 3.5M CaCl2 solution. 110.5g of AgCl was recovered. Given that the CaCl2 is the limiting reagent, how many milliliters of the 3.5M CaCl2 solution was used? 2 sig figs
asked by Michelle 
statistics
In one history class, 34 students took an exam. The mean of the exam was 52 with a standard deviation of 13. If the instructor is going to assume data are normally distributed and assign grades on a curve, then she will assign an A to the top 10% of the
asked by melissa 
Finance
RCA made a coupon payment yesterday on its 6.25% bonds that mature in 11.5 years. If the required return on these bonds is 9.2% nominal annual, what should be the market price of these bonds?
asked by Anonymous 
adv. algebra
1)SIMPLIFY i^2 square root of 80 2)SOLVE 49x^2+100=0 3)14i^6 divided by i
asked by kaleb 
Physics
A store owner wishes to hang a sign weighing 750 N so that Cable A attached to the store makes a 30 degree angle from the vertical wall. Cable B is attached horizontally to an adjoining building. Calculate the necessaryt tension on Cable B.
asked by Jim 
Physics
A box weighing 215 N is placed on an inclined plane that makes a 55 degree angle with the horizontal. Compute the component of the gravitional force acting down the inclined plane.
asked by Jim 
8th grade
how many 2kg and how many 5kg plates go onto the bar to make 34kg.
asked by cassy 
Physics
A pilot wishes to fly 450 km due south in 3 hours. A wind is blowing from the west at 50 km/hr. By means of a vector diagram, compute the proper heading and speed that the pilot must choose to achieve this objective.
asked by Shayne 
Economics
A market (or industry) demand curve is described by Q = 50 – 0.5 P The firm’s cost function is TC = 10 + 2 Q a. Find the profitmaximizing quantity and price. b. If the industry is regulated in a way that requires it to set P = AC, how much will be
asked by hiten 
Economics
Suppose a monopolistically competitive firm’s demand is given by P = 100 – 2Q And its cost function is given by TC = 5 + 2Q a. Find the profit maximizing quantity, price, and total profit level. b. Is this a longrun or a shortrun outcome? How do you
asked by hiten 
Economics
Suppose a perfectly competitive firm has a cost function described by TC = 100 + Q2 The industry price is $100. a. Find the profit maximizing level of output. b. Is this a shortrun or longrun situation? How do you know? c. Assuming that this firm’s
asked by hiten 
mat 156
The following algorithm give a correct answer 488 +_65_ 5^1 5^1 3 Explain why the algorithm works
asked by susan 
Chem
Please tell me if these are right? A mixture of oxygen and helium is prepared for a scuba diver that will descend to 125 feet below the ocean surface. At that depth the diver breathes a gas mixture that has a total pressure of 8atm. If the particle
asked by Lindsay 
Fine Art
1. Wooden temples were considered an art form from a. Japan b. China c. Buddhists d. Indians A 12. Which of the following colors represents the spiritual realm in many African societies? a. White b. Red c. Black d. Brown Not sure... 13. Shiva Nataraja
asked by mysterychicken 
Math/Statistics
The mean starting salary for graduates in the spring of 2004 was $36,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3,300. What percent of the graduates have starting salaries between
asked by Dave 
statistics
Q. The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected. 100 observations from population 1 (dual degree students) and 100 from population 2
asked by jeen 
stat
1. The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected 350 observations from population 1 (dual degree students) and 310 from population 2
asked by jeen 
Calculus
A particle moves along the xaxis with position at time t given by x(t)=e^(t)sin(t) for 0 is less than or equal to t which is less than or equal to 2 pi. a) Find the time t at which the particle is farthest to the left. Justify your answer I think you
asked by Leanna 
Chemistry
Which of the following electron configurations is not consistent with Hund's rule? 1) 1s^2 2s^2 2p^2 3s^1 2) 1s^2 2s^2 2p^6 3s^2 3p^5 3) 1s^2 2s^2 2p^6 3s^3 3p^6 4) 1s^2 2s^2 2px^2 2py^1
asked by David 
Chemistry
Which of the following species are isoelectronic? Select all that apply. 1) S^2 2) Be^2+ 3) Cl^ 4) K^+ 5) Ca^2+ 6) Se^2
asked by Amy 
Chemistry
In each of the following pairs, choose the species with the larger radius. 1) S^4+ or S^2+ 2) S or S^2
asked by Amy 
physics
how much work does a woman do if she exerts a force of 75N for 3m?
asked by nOEL lOYALL 
Finance
Agency theory deals with the issue of Answer when to hire an agent to represent the firm in negotiations. the legal liabilities of a firm if an employee, acting as the firm's agent, injures someone. the limitations placed on an employee acting as the
asked by Anonymous 
Algebra 2
Find the value of: 5+8×2÷411. A. 23/4 B. 11/2 C. 3 D. 2 I chose answer choice D, am I correct?
asked by anthony 
com 156
What are some red flags that indicate you should avoid a particular source?
asked by jojo 
algebra
Evaluate (ay)2(squared) +2y3(cubed), if a =2 and y=3 A. 29 B. 43 C. 79 D. 53 I got answer choice A, am I correct?
asked by anthony 
Physics
A 6.0 mlong string has a mass of 12.5 g. Transverse waves propagate along the string with a speed of 189.0 m/s. One end of the string is forced to oscillate at 120.0Hz with an amplitude of 0.470 cm. What power is transmitted along the string?
asked by Anonymous 
PreAlgebra
The length of a rectangular jewelry box is 5 inches more than twice the width. The perimeter is 28 inches. Find the length and the width.
asked by Willie 
Calculus
Use the given derivative to find all critical points of 'f' and at each critical point determine whether a relative maximum, relative minimum, or neither occurs. Assume that 'f' is continuous everywhere. f' (x) = (12x)/ ∛(x+3) ∛(x+3)in words is the
asked by Roy 
us history
Which side did the federal government choose to support in the major strikes of the late 1800s? What actions did the government take?
asked by Jory 
Calculus
Find all values of x, where the graph of y = [(5x^3)(6x)+(8)] / (x^2) crosses its oblique asymptote.
asked by Raj 
Physics
A physics student wants to build a spring gun that when aimed horizontally will give a 15.0 g ball an initial acceleration of 'g' by releasing a spring that has been compressed 15.0 cm. The spring constant is .981. What is the velocity of the ball as it
asked by Anonymous 
Microeconomincs
1Find an article that deals with current labor issues. 2 Find and article that talks about the competitive nature of international business. 3 Find and article that deals with market competition, either in general or a specific firm's competitive
asked by john 
Calculus
Verify that the hypotheses of the MeanValue Theorem are satisfied for f(x) = √(16x^2 ) on the interval [4,1] and find all values of C in this interval that satisfy the conclusion of the theorem.
asked by Ronnie 
spanish
Natalia viajó al Perú. Escribió una lista de lo que va a hacer al volver a casa. Contesta las preguntas según la información de la lista. Modelo: ¿Qué va a hacer ella con el poncho? Va a regalárselo a Óscar. And then there is a table given:
asked by rafay 
mumford
decide whether the function is linear. then evaluate the function for the given value of x. f(x)=x11:f(4)
asked by james smith 
spanish
Direct and indirectobject pronouns combined 816 Dos amigas hablan. Completa las oraciones. MARÍA: Juanita, ¿quién ______ mandó las flores? JUANITA: Alejandro ____, ____ mandó. MARÍA: ¿Vas a mostrar ____ a tus papás? JUANITA: Sí, ____ , ______
asked by kate 
Chem
Please help are these right? A 2.3 mole sample of nitrogen (N2), has a volume of 50.0 L and a pressure of 630 mmHg. What is the temperature of the gas? 41.5 C which I converted to Kelvin and got 231.5K Calculate the molarity (M) of the following solutions:
asked by Jada 
capitalization
Aunt consuelo melendez, doctor of surgery.
asked by nequita pierce 
Microeconomics
1Find an article that deals with current labor issues. 2 Find and article that talks about the competitive nature of international business. 3 Find and article that deals with market competition, either in general or a specific firm's competitive
asked by john 
Microeconomics
1Find an article that deals with current labor issues. 2 Find and article that talks about the competitive nature of international business. 3 Find and article that deals with market competition, either in general or a specific firm's competitive
asked by john 
english
The paragraph should demonstrate your ability to use sentence variety and proper punctuation. Your audience is your classmates. Begin with a 23 sentence description of the scene. Then add 68 lines of dialogue to complete your narrative. Use a variety of
asked by reeves 
Statistics
Are these questions below true or false? I am stuck. I think 1 is true and 3 is false 1. In Regression Analysis if the variance of the error term is constant, we call it the Homoscedasticity property. 2. In simple linear regression analysis, if the error
asked by Logan 
Math
What is the greatest possible product of a 2digit and a 1digit number? Explain how you know
asked by Jasmin 
ecology
what is the atlantic pahtway? and why does its path through upstate New York raise special conservation concerns for woodlands and wetlands on the south side of Lake Ontario?
asked by Allie 
geometry
a dog toy is constructed in the shape of a cylinder with a length of 6.8 in. The cylinder has a hemisphere at each end. The diameter is 19 in. Find the volume.
asked by robert 
annatomy
Calculate the osmolarity of a solution that contains 0.1 M urea, 0.2 M NaCl, and 0.5 M CaCl2. Assume urea does not ionize and NaCl and CaCl2 ionize completely
asked by russel 
world history
Today i got asked to write 3 fact bullets about the 7 aspects of civilization With details from the fertile crescent dose that mean 7 bullets or no?
asked by Alex 
language arts
what it the complete ssubject in this sentence... Can you explain last night's homework to me?
asked by Kit 
Algebra uno check+ help?
So, I've got these problems: To tell which form the equation is in. 1)2x+8y=3 I think this one is standard form. 2)y=5x+8 I think this is slope intercept form. 3)y+4=2(x6) I think this is also slope intecept form. Could somebody tell me if my answers
asked by Allyson 
Chem
what mass of calcium oxalate can be dissolved in 180 ml of distilled water before a precipitate forms?
asked by Melissa 
language
what part of speech is has passed
asked by chan 
Chemistry
I was just wanting to make sure I did these right. How many grams of solute are in each of the following solutions? a.) 2.5 L of 3.0 M Al(NO3)3 solution. for this one I get 1600 g of Al(NO3)3 b.) 75 ml of 0.5 M C6H12O6 solution. and for this one I get 6.8g
asked by Carrie 
bio
what is an example of a naturally fragmented habitat, and a habitat that has been fragmented by human land use?
asked by Allie 
psychology
hello I wanted to know if you could help me write my thesis statement
asked by rhonda 
9th grade
what does the sun become after super nova
asked by Anonymous 
11th grade
If the volume of water produced during the reaction doubled, what would happen to the ratio of hydrogen to oxygen in the following equation: 2 H2+ O2 > 2 H2O
asked by bernice 
art
What are some key considerations when approaching shading on a realistic rendering
asked by someone needing help 
English
I really need your help to check these sentences and alternatives. Thank you very much! 1) According to Rousseau's theories,society was regarded (better: should be regarded) as the source of any kind of evil and corruptions. 2)One of the main themes is
asked by Franco 
Managerial Accounting
The Fashion Shoe Company operates a chain of women’s shoe shops around the country. The shops carry many styles of shoes that are all sold at the same price. Sales personnel in the shops are paid a substantial commission on each pair of shoes sold (in
asked by Adrienne 
medical
Quinine, which is found in tha bark of the cinchona tree is effective in A. Reducing fevers B. Reducing the sting of a burn c. Treating bacterial infections D. Reducing convulsions
asked by Mare 
Managerial Accounting
• Calculate the annual breakeven point in dollar sales and in unit sales for Shop 48. • Prepare a CVP graph showing cost and revenue data for Shop 48 from zero shoes up to 17,000 pairs of shoes sold each year. Clearly indicate the breakeven point on
asked by Adrienne 
economics
Briefly describe the main attributes of the following economic systems: market economy, centrally planned economy, and mixed economy.
asked by Anita fields 
college
How to do an inventory purchase budget and cash disbursements?
asked by Raveen 
algebra uno help + check?
So, I've got these other sets of problems, that are telling me to write equivilant equations for the equations given, heres what I think. 1) x+y=10 5+5=10 5(2)+10 2) 5x+10y=15 5x(3)=15 5x+10=15 3)x+2y=9 y=3(3)=9 3+6=9 Heres what I need YOU tutors to
asked by Allyson 
5th grade
what is 9 /24794
asked by pamela 
Science
how can I go about explaining the basic process without using the word adapt?
asked by Christopher 
Economics
I need a article that talks about the competitive nature of international business. also I want to know what it means
asked by Don 
Spanish
Could you please explain the transalation and how to answer for the first and check my answer for the second. Estás en el correo. ¿Qué hora es? I think this says I'm in the mail and what hour is itbut that doesn't make sense. Please explain how I
asked by JamieLynne 
science
5. Discuss possible benefits and drawbacks of a transgenic organism such as Bt corn?
asked by DENETTE 
U.S. History
Describe the three ways the Federal Government can affect the economy.
asked by Sanyah 
Math
If the morning temperature is 24degrees and the overall temperature is 7 degrees, what is the evening temperature.
asked by Ev 
Language Arts
What is the verb and predicate noun or adjective in this sentence: Rennett is an extract made from the lining of a calf's fourth stomach. thank you!!!
asked by Jon 
Algebra
using synthetic subsititution to evaluate the polynomial functuion for the given value of x. h(x)= 8x^3+14x35; x=4
asked by Pedro 
calculus problem
(y^2+2)^3=x^4y+e^2
asked by spookey69 
English
1.Augustus' regin was the period that came to be called the Augustan Age, and his influence continued for nearly two hundred years. I have to identify the subordinate clause 1.that came to be called
asked by Tracy 
calculus problem1
x^2+2y^211=0
asked by spookey69 
calculus problem2
x^2/3+y^2/3=5
asked by spookey69 
Language Arts
What is the predicate noun or predicate adjective in this sentence; The thickened mass eventually becomes cheese.
asked by Jon 
AP Physics
A cylindrical container of radius 20 cm contains water of height of 3 m. Two meters down from the water level there is a hole of 0.5 cm in radius. Find the velocity and volume flow rate of water leaving the hole. Where does it strike the ground?
asked by Charlie 
Language Arts
Ms.Sue, i think that the verb is becomes and the oredicate noun is cheese?
asked by Jon 
chem
I am having lots of trouble with these questions: Classify each of the following reactions in as many ways as possible. (Select all that apply.) a)2 Rb(s) + Br2(g) 2 RbBr(s) you can select: acidbase doubledisplacement gas evolution
asked by hannah 
Calculus
A particle moves along the xaxis with position at time t given by x(t)=e^(t)sin(t) for 0 is less than or equal to t which is less than or equal to 2 pi. a) Find the time t at which the particle is farthest to the left. Justify your answer I think you
asked by Leanna 
Math 6th grade
What is the answer the perimeter is 30 and the area is 3??
asked by William 
Algebra one, help me please?
Okay so, I have to write an equation in standard form, of a line that passes through the given point and has the given slope, ( M) or that passes through the given points. Heres what I think: 1)( 4,1) M= 3 So, it's in y=3x+B and then, I would plug in 1
asked by Allyson 
English
1.It was built entirely by hand. 2.Several Chinese states began to build walls for protection. 3.The Ming government began rebuilding the crumbling ruins in the fifteenth century, and much of their work remains today. 4.The wall is as high as thirtyfive
asked by Hayley 
6TH GRADE MATH
Repost perimeter is 30 and area 36
asked by William 
calculus
Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 70 degrees F and a living body temperature of 98.6
asked by Anonymous 
economic
Does diminishing marginal utility or indifference curve works for consumers? which of these concept works
asked by lisa 
calculus
the side of squyare,s, is increasing at a rate of k unites per second. find the rate at which the area of the square is increasing
asked by lindy 
science
how do you write the chemical equation for liquid pentanol (C5H12O) and gaseous oxygen ? Thanks ~Samantha~
asked by Samantha 
health
The information for Blocks 19 on the CMS1500 can be obtained from?
asked by julianna 
chemistry
How many kilojoules of heat is required to completely covert 60.0 grams of water at 32.0° C to steam at 100°C? For water: s = 4.179 J/g °C Hfusion = 6.01 kJ/mol Hvap = 40.7 kJ/mol
asked by Kate 
Calculus
Use the given derivative to find all critical points of 'f' and at each critical point determine whether a relative maximum, relative minimum, or neither occurs. Assume that 'f' is continuous everywhere. f' (x) = (12x)/ ∛(x+3)
asked by Roy 
chemistry
How many kilojoules of heat is required to completely covert 60.0 grams of water at 32.0° C to steam at 100°C? For water: s = 4.179 J/g °C Hfusion = 6.01 kJ/mol Hvap = 40.7 kJ/mol
asked by Kate 
economics
Briefly describe the main attributes of the following economic systems: market economy, centrally planned economy, and mixed economy.
asked by Anita fields 
chemistry
NH4NO3(s) H2O(g) + N2(g) + O2(g) Consider the unbalanced equation above. What will be the total volume of gas produced at 720. mm Hg and 570.0°C when 2.50 g of NH4NO3 completely decomposes? Use molar masses with at least as many significant figures as the
asked by Kate 
AP Calc BC
Hi! Thank you for your help How do you find the antiderivative of 2/((x^2)+1) "two over (x squared plus one)" I think I have to do integration by partial fractions but I didn't figure it out...assistance is much appreciated Thank you very much
asked by APpreciative student 
Calculus
Find all values of x, where the graph of y = [(5x^3)(6x)+(8)] / (x^2) crosses its oblique asymptote.
asked by Raj 
Algebra help please.
So, I carried this problem through: (0,5) M=2 y=2x+B 5=2(0)+B 5=0+B 5=B y=2x+5 How do I write this in standard form? Did I do this problem right? Thanks!
asked by Allyson 
5th grade
how to convert improper fraction into mixed number or whole numbers
asked by jana 
math
peppers are sold in packs of three or singly.single for .29c each.and three pack for $1.11 which is the best value and give reason and working out if possible
asked by kamy 
math
My couch potato friend enjoys sitting in front of the TV and grabbing handfuls of 4 chocolates at random from his snack jar. Unbeknownst to him, I have replaced one of the 18 chocolates in his jar with a cashew. (He hates cashews with a passion.) How many
asked by LC 
PreAlgebra
30 ft pipe is broken in three pieces. The shortest piece is 6ft. shorter than the longest piece. The medium length piece is 2/3 the length of the longest
asked by Lily 
geometry
find the midpoint M of the segment with endpoints[1,10] and [13,6].
asked by norah 
Algebra 7th Grade
what is 8(7003)= (using distributive property)
asked by Robert 
math
How could you use two color or coins to model 3/4x1/2?
asked by monica 
Algebra 7th Grade
what is 8(7003)= (using distributive property)
asked by Robert 
Science
how can I go about explaining the basic process of natural selection without using the word adapt.
asked by Christopher 
English
1.The Great Wall is no longer needed for defense, but it has become a major tourist attraction. 2.Much of the wall was in ruins when the Ming dynasty took power in A.D. 1368. 3.Parts of the wall were built as long as 2,500 years, but the different sections
asked by Hayley 
physics
 A 1600KG ELEVATOR accelerates downward at 2.00 m/s2 starting from rest. how much work does gravity do on the elevator? b) how much does tention in the elevator cable do on the elevator? c) use the work kinetic energy theorem to find the kenetic energy
asked by Anonymous 
Algebra 7th Grade
what is 8(7003)= (using distributive property)
asked by Robert 
English
What is the adjectives in the sentence, Lake Baika is in southeast Siberia
asked by Anonymous 
math
3y=4/5
asked by liz 
IPC(integrated phsyics)
Insulating materials are rated by their _____. specific heat heat index Rvalue temperature resistance
asked by lana 
physics
a tennis player swings her 1000g racket with a speed of 6.00 m/s. she hits a 60g tennis ball that was approaching her at a speed of 18.0 m/s . the ball rebounds at 43.0 m/s. a)how fast is her racket moving immediately after the impact? you can ignor the
asked by Anonymous 
chemistry hw help :)
which of the following substances dissolve in each other? and why? water ethylene glycol isopropanol cycolohexane ethyl acetate
asked by tarkan 
Geometry
Can a triangle have sides with the given lengths? Explain. 15) 8cm, 7cm, 9cm 16) 7ft, 13ft, 6ft 17) 20in, 18in, 16in 18) 3m, 11m, 7m
asked by Hannah 
Physics
What is the gravitational force between the proton (1.67X10^27 kg) and the electron (9.11X 10^31 kg) in a hydrogen atom if they are 3.00X10^10 m apart?
asked by Alecia 
business statistics
solv the following a)mean b)mode c)median d)standard deviation observation Frequency 5 14 10 22 15 47 20 17
asked by Anonymous 
Spanish 1
A spanish exchange student is trying to figure out what his friends like to eat. Provide the correct pronoun forms to complete his sentences below.: ____ gusta la comida china. A Patricia y a Juan ____ gusta la comida mexicana. ¿A vosotros ____ gusta la
asked by Allie 
8th grade
Tom had scores of 78, 88, 94 and 79 on his first four science tests. What must he score on the next test to have an average of 88?
asked by Lisa 
adult education
The majority of the world’s diamonds comes from Country A and Country B. Suppose that the marginal cost of mining a diamond is $1,000 per diamond and that the demand schedule for diamonds is as follows: Price Quantity $ 6,000 5,500 5,000 6,500 4,000
asked by maryplease show work and solve i am very confused 
Spanish 1
Use the cues below to write sentences with the verb GUSTAR. MODELO: comida italiana/Vilma = A Vilma le gusta la comida italiana. 1) quien/los animales 3) quienes/la musica
asked by Allie 
grade nine geography
I need to have "Sensitvie Tourist" suggestions so that visitors can minimize their impact and local environment and community on the Mixedwood Plains. Thanks
asked by peyton 
Geometry
SORRY I FORGOT SOME QUESTI IN MY LAST POST!!! The lengths of two sides of a triangle are given. Describe the possible lenths for the third side. 19.) 5,11 20.) 12,12 21.) 25,10 22.) 6,8 25.) A student draws a triangle with a perimeter 36 cm. The students
asked by Hannah 
Chemistry Decomposition
What is the decomposition of AgC2H3O2? AgC2H3O2>?
asked by Marie 
physics
A 45.00 kg child standing on a frozen pond throws a 0.60 kg stone to the east with a speed of 5.80 m/s. Neglecting friction between child and ice, what is the speed (in m/s) of the child after throwing the stone? I'm kind of confused about the masses..
asked by help 
physics
Review Conceptual Example 2 in preparation for this problem. In Figure 5.4, an object, after being released from its circular path, travels the distance OA in the same time it would have moved from O to P on the circle. The speed of the object on and off
asked by megan 
3rd grade
show me a baseten drawing
asked by cortney 
Chemistry
For the compound C13H18O2 (ibuprofen) determine the molecules of ibuprofen that contains 15 mol of hydrogen? I am missing a step and I am trying to figure it out. I tried 15 mol of H x 1 mol C13 H18 O2 divided by 1 mol of H and got 15 MOL C13 H18 O2 then
asked by TMV 
Calculus  MathMate Please help
ok, i tried to do what you told me but i cant solve it for c because they cancel each others out! the integral for the first one i got is [sin(c)cos(x)cos(c)sin(x)+sin(x)+c] and the integral for the 2nd one i got is [sin(c)cos(x)+cos(c)sin(x)sin(x)+c] I
asked by K 
kindergarten
HAVE CHILD COUNT THE SEA ANIMALS AND THEN DRAW COUNTERS TO SHOW HOW MANY SEA ANIMALS
asked by LEA 
Algebra 1
In the army kitchen there are 4 pots for every 3 pans for every 21 glasses. All together there are 476 of these items. How many pans are there?
asked by Cheryl 
Calculus
Suppose that the number of bacteria in a culture at time t is given by N = 4950 ( 28 + t*e ^(t/24)) Find the LARGEST and SMALLEST number of bacteria in the culture during the time interval 0 ≤ t ≤ 140 .
asked by Elisa 
Calculus
Suppose that the number of bacteria in a culture at time t is given by N = 4950 ( 28 + t*e ^(t/24)) Find the LARGEST and SMALLEST number of bacteria in the culture during the time interval 0 ≤ t ≤ 140
asked by Elisa 
chem
What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
asked by Kate 
chem
What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
asked by Kate 
chemistry
if .500 mol of copper combines with .250 mol of sulfur what is the empirical formula of copper sulfide?
asked by Pam 
edu
What are the career possibilities in the education world.
asked by luly 
trig
the terminal side of an angle theta in standard position coincides with the line y=5x and lies in quadrant 3. find the six trigonometric functions of theta.
asked by meg 
geography
What does this mean? Nationbuilding can involve the use of propaganda or major infrastructure development to foster social harmony and economic growth.
asked by Bethany 
Calculus
Find: (a) the interval(s) on which f is increasing, (b) the interval(s) on which f is decreasing, (c) the open interval(s) on which f is concave up, (d) the open interval(s) on which f is concave down, and (e) the Xcoordinate(s) of any/all inflection
asked by Please Help 
geometry
two of the angle of a arallelogram measure 75 what are the measures of the other two angle
asked by ruby 
Problem Solving
What form does Bernoulli's equation take if we use the information in the problem statement that P1=P2?
asked by JahMan 
math
perimeter=240 yd., the length is 16 yards longer than than width. what are dimensions?
asked by toju 
grade 9 GEOGRAPHY
I posted a question earlier about the sensitive tourist I am a little confused on what the question is asking exactly. "Sensitve tourist" suggestions so that visitors can minimize their impact on the local environment and community. My paper is on the
asked by peyton 
PHYSICS
1)A picture of width 40 cm weighing 40N hangs from a nail by means of flexible wire attached to the sides of the picture frame. The midpoint of the wire passes over the nail which is 3 cm higher than the points where the wire is attached to the frame. Find
asked by Ann 
geometry
the equal sides of an isosceles trapezoid eah measure 5, and its altitude measures 4. if the area of the trapezoid is 48, find the lengths of its bases.
asked by kiiah roberts 
science fair ideas
PLZ help i have a science project due in less than a week and still have no idea what im going to do dose anyone have ideas for zoology science experiments?
asked by Courtney 
Grammar/English
Please correct this sentence, the street was blocked off said Holly how did you see it Thanks!!
asked by Erin 
Calculus!!!!
A particle moves along the xaxis with position at time t given by x(t)=e^(t)sin(t) for 0 is less than or equal to t which is less than or equal to 2 pi. a) Find the time t at which the particle is farthest to the left. Justify your answer I think you
asked by Leanna 
2nd grade
If i have this number, 312. Which number is in the tens place and which is in the ones place?
asked by Brendt 
Physics
The speed limit on a particular freeway is 28.0 m/s (about 101 km/hour). A car that is merging onto the freeway is capable of accelerating at 6.50 m/s2. If the car is currently traveling forward at 13.0 m/s, what is the shortest amount of time it could
asked by Mike 
Physics
A 250gram pendulum bob is initially constrained at a 53 degree angle by two strings. When the horizontal string is cut the pendulum begins to swing. As the pendulum bob passes through its equilibrium position, what will be its velocity?
asked by Jenny 
chemistry
classify in as many ways possible 2 Rb(s) + Br2(g) > 2 RbBr(s) acidbase doubledisplacement gas evolution oxidationreduction precipitation singledisplacement synthesis thanks
asked by rebekah 
physics
A 910 kg sports car slows down to 6.0 m/s to read a cross street sign. The 1440 kg pickup truck following the sports car fails to see that the sports car has slowed and continues traveling at 17.0 m/s. The pickup slams into the sports car. With what
asked by help 
economics
explain why the marginal cost curve is equal to the supply curve for a monopoly
asked by SYLVIA 
Logic
Supply steps in a proof of a valid argument and give reasons using rules of inference. 1.)~A*B 2.)C>A 3.)CvD/D
asked by Greg 
Chemistry
8.40 grams of Hydrogen gas reacts with 48.2 grams of Oxygen gas. Give the mass of the water vapor produced and the mass of the excess reactant left over. Can somebody please explain stoichiometry to me? I've failed the test and the retest. I'm usually able
asked by Anna 
History
A more unified African American culture began to emerge in the early decades of the nineteenth century because? the Gullah dialect spread to the new slave territories in the Old Southwest. the rapid transfer of slaves from other regions into the Lower
asked by Joel 
Algebra
3/12+5/12+3/12+n=1
asked by Skyler 
math 208
y=3x +19 y=2x=1 need to know whether the equation are independent,dependent or inconsistent
asked by brille 
math
Explain how to use cross product to detemine whether the ratios 27 to 36 and 12 to 16 are equal.
asked by Kay 
spalding
the american bankers association is an example of a? a. labor union b. public interest group c. trade association d. single interest group
asked by kelly 
us history
Some help with this questions would be great....thanks everyone. I would like to say the answer is #1. As president, John Quincy Adams supported... 1.a national bank to promote a uniform currency and to control credit. 2.a strict limit on the powers of the
asked by Diana 
geometry
express in y=mx + b form the equation of the line perpendicular to the line 5x3y=8 and passes through the piont (5,1)
asked by veronica 
government
which is an economic interest that is represented by most interest groups? a. business interests b. agricultural interests c. professional interests d. all of the above
asked by kelly 
Problem Solving
What are some ways to decrease cancer related deaths?
asked by JahMan 
government
common cause and the league of women voters are examples of? a. private pressure groups b. business groups c. economic groups d. public interest groups
asked by kelly 
government
a political action committees purpose is to a. use propaganda b. work for the interests of all americans c. raise enough money for political candidates d. encourage americans to join interests groups
asked by kelly 
government
a political action committees purpose is to a. use propaganda b. work for the interests of all americans c. raise enough money for political candidates d. encourage americans to join interests groups
asked by kelly 
6th grade
if a spinner is numbered 110 what is the probability of it stopping on a multiple of 3?
asked by chevy 
5th grade
Having trouble with division word problems
asked by Antoine 
government
lobbyist activities re a. illegal b. regulated by laws c. not concernd with public policy d. driven by personal, not group, goals
asked by kelly 
math
if a spinner s numbered 110, what is the probability of it landing on a multiple of 2?
asked by chevy 
government
a lobbyist encourages parents to write letters to their representatives in congress in support of an education bill. this is an example of a. grass roots pressure b. PAC contributions c. a public interest group d. propoganda
asked by kelly 
math
is it possible to make a triangle with side leangths 4,8, and 17?
asked by Tahsina 
physics
in deep space a gun is fired; how much force will be required to keep the bullet going?
asked by alexis 
social studys
what is two spanish artifacts?
asked by thomas 
math
156 devided by 47
asked by Anonymous 
social studys
what is two spanish artifacts?
asked by thomas 
Math
I need help with the following math problem. A sculptor has a 3lb block of clay. He ads 24 oz. of clay to the block in order to make a sculpture. What is the total weight of the clay before he begins sculpturing?
asked by Jared 
algebra
what is 5 on the square root of 2m divied by 5 on the square root of 3m cubed
asked by lea 
Statistics
using bayes theorem, what would be the probability of a honda civic being stolen 53% of civics are stolen and 46% were other honda cars
asked by Ken 
arithmetic
a recipe for rice pudding uses 1/2 cup of rice and serves 6 people. write the cups of rice per person as a unit rate . how many cups of rice do you need to serve 75 people?
asked by jane 
LA
In the book, The Giver, why was it important for the community to have someone who could "see beyond?"
asked by Reina A. 
algebra
m/6
asked by janice 
LA
In the book, the Giver, why does Jonas refer to Gabe as his little brother?
asked by Reina A. 
math
16over5 / 5 can you explan to me
asked by george 
LA
In the Giver, why was the Giver bitter about the COuncil of Elders
asked by Reina A. 
Econ
A firm is considering locating a 100 employee microprocessor production facility in one of Aland’s cities. The products this firm will produce are expected to be exported to other places (other cities within and outside the country). City planners think
asked by Candie 
GeometryEXtended Exponents
Use the given ratio and information in the figure to find the value of the variable(s). XY:YZ:XZ=7:10:14 XY=b7 These are side lengths YZ=b+20 to a triangle. Side XZ=5c24 note XZ is the hypotenus
asked by chica 
geography grade nine
Does eco tourism and sensitive tourist the same thing?
asked by peyton 
physics
An EF 151 GTA sits on the EF stool and rotates CCW with an initial speed of 60 rpm. After 28 revolutions he stops. Assuming constant acceleration, how long was he rotating?
asked by sandhu 
English
a. Paragraph one – Describe the subject that you are writing about, and say why this subject is important. b. Paragraph two – State the current situation associated with this subject(s). What is happening now in the field that triggered you to write an
asked by jenny 
algebra 2
Solve the inequality : 3(r11)+15≥9
asked by sara 
english
This might sound stupid but I really need help. I think I know how to do it yet I am not sure if I am right or wrong so please direct me. My teacher asked me to Word format my paper, so I opened the microsoft word, then clicked on View and checked off the
asked by Mary 
math
For numbers less than 40, what are the pairs of numbers that have a GCF of 12
asked by anonymous 
math
find the values ofx and y that solve the following system of equations 3x 8y=19 4x+9y=22
asked by brille 
math
i need help with square roots?
asked by lea 
Math
Jen and Heather went to lunch. When the bill came, Jen discovered she had only $8. Luckily, Heather had enough money to pay the other part, 3/5, of the bill. How much did Heather pay? How much was the total bill?
asked by Zay 
Chem
what would be the partial pressure of N2 gas over water at 22*C and 721 torr pressure
asked by kary 
math
find the values of x and y that solve the following system of equations 3x+2y=22 5x 9y=25
asked by brille 
math
A cyclist travels 70 miles in 7 hours going aganist the wind and 56 miles in 4 hours with the wind. what is the rate of the cyclist in still air and and the rate of the wind. rate in still water= rate of the wind=
asked by brille 
Chemistry
True or False: A nonspontaneous reaction is converted into a spontaneous reaction in a voltaic cell by the expense of electrical energy. I believe it is true because in a non spontaneous reaction, energy must be induced in order for it to occur. Is this
asked by James 
math
2 rainstorms occurred in one week in a certain area. In the first storm, 15ml of rain fell per hour, and the second storm, 20ml of rain fell per hour. rain lasted for a total of 40 hours, resulting in a total rainfall of 675ml. how long was each storm
asked by brille 
algebra
Solve the inequality : 3(r11)+15≥9 a. [rr≤13] b. [rr≥13] C. [rr≤13] D. [rr≥13]
asked by sara 
Chem 22
1. What volume will a mixture of 5.00 mol of H2 and 0.500 mol of CO2 occupy at STP?
asked by Ivy 
math
a motorboat takes 4 hours to travel 256miles going up stream. the return trip takes 2 hrs going downstream. what is the the rate of the boat in still water and what is the rate current. rate of the boat in still water = mi/hrs rate of the current=mi/hrs.=
asked by brille 
Chemistry
Using the compound for Ibuprofen C13H18O2 find molecules of Ibuprofen that contain 2.84 x10 23 atoms of Hydrogen So for every 1 mol of H= 6.022 x 10 23 molecules of H? (Not sure if Im going in the right direction?) Having trouble setting this up or 1 mol
asked by TMV 
Physics
An elevator manufacturing company is stresstesting a new elevator in an airless test shaft. The elevator is traveling at an unknown velocity when the cable snaps. The elevator falls 2.50 meters before hitting the bottom of the shaft. The elevator was in
asked by Thomas 
math
on monday 86 science fiction books were sold at a book sale this is 8 more than twice the amount sold on thursday how many science fiction books were sold on thursday
asked by felix 
Chemistry
What is the pH when 25 mL of .20 M CH3COOH has been titrated with 35 mL of .10 M NaOH?
asked by Louis 
Physics
The speed limit on a particular freeway is 28.0 m/s (about 101 km/hour). A car that is merging onto the freeway is capable of accelerating at 6.50 m/s2. If the car is currently traveling forward at 13.0 m/s, what is the shortest amount of time it could
asked by Thomas 
Chemistry 22
1. What is the Kelvin temperature of a system in which 4.50 mol of a gas occupy 0.250 L at 4.15 atm? 2. In the lab, students generated and collected hydrogen gas according to the following equations: Zn + H2SO4> H2 + ZnSO4 a) How many mL of hydrogen gas
asked by Ivy 
geometry
if the measure of each exterior angle is 9, what type of polygon is it?
asked by Rose 
College Chem
A diver exhales a bubble with a volume of 25 mL at a pressure of 2.4 atm and a temperature of 15 degrees C. how many gas particles are in this bubble?
asked by Jennifer 
Chemistry
Consider the following equation: 4NH3(g) + 5O2(g)> 4NO(g)+6H2O(g) a. How many liters of oxygen are required to react with 2.5 L NH3? Both gases are at STP b. How many grams of water vapor can be produced from 25 L NH3 if both gases are at STP? c. How
asked by Ivy 
Chemistry
Consider the titration: .30 M HCl versus .30 M methlamine (CH3NH2). What is the concentration of CH3NH3+ at the equivalence point?
asked by Amy 
Chemistry
What is te component concentration ratio, [NO2]/[HNO2], of a buffer that has a pH of 2.42 (Ka of HNO2=7.1 x 10^4)?
asked by Jer 
physics
You own a yacht which is 14.5 meters long. It is motoring down a canal at 9.80 m/s. Its bow (the front of the boat) is just about to begin passing underneath a bridge that is 30.0 m across. How much time is required until its stern (the end of the boat) is
asked by Thomas 
Chemistry
Find the pH of a buffer that consists of .28 M NH3 and .12 M NH4Cl (pKb of NH3=4.75)
asked by Rach 
math
)SIMPLIFY i^2 square root of 80 2)SOLVE 49x^2+100=0 3)14i^6 divided by i
asked by kaleb 
Chemistry
A buffer is prepared by mixing 205 mL of .452 M HCl and .500 L of .400 M sodium acetate. (Ka =1.80 x 10^5) a) What is the pH? b) How many grams of KOH must be added to .500 L of the buffer to change the pH by .125 units?
asked by Missy 
Calculus  Still Need Help! Anyone!
A particle moves along the xaxis with position at time t given by x(t)=e^(t)sin(t) for 0 is less than or equal to t which is less than or equal to 2 pi. a) Find the time t at which the particle is farthest to the left. Justify your answer I think you
asked by Leanna 
math
find the values of x and y that solve the system of equations 3 x 8y=19 4x+9y=22
asked by zoe 
chemistry
Find the pH of a buffer that consists of 1.6 M sodium phenolate (C6H5ONa) and 1.0M phenol (C6H5OH). (pKa of phenol=10.00)
asked by Kate 
11th grade
A 625kg racing car completes one lap in 14.3 s around a circular track with a radius of 50.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
asked by john 
math
yhank you very much for solving the question i asked yesterday:the two parners in a business, one partner mortgaged business property to his copartner for $15,000 at 12% interest. no payments were ever made for 17 yearsyour answer was "assuming the
asked by martin sostre 
chemistry
Write the balanced equation and solubility product expression for the solubility equillibrium of Mn3(PO4)2: Ksp expression?
asked by Karly 
Chemistry
The solubility of zinc oxalate is 7.9 x 10 ^3 M at 18 degrees C. Calculate its Ksp.
asked by Pink 
Chemistry
The solubility of calcium sulfate at 30 degrees C is .209 g/100mL solution. calculate its Ksp.
asked by Al 
chemistry
the solubility of Ag3PO4 (in water) is 6.7 x 10^3 g/L. what is the molar solubility>
asked by AJ 
chem
you used a pencil to mark the chromatography paper since the carbon in the "lead" pencil does not dissolve in the solute. why does carbon not dissolve? what type of pen (ink) will also not produce a chromatogram when water is used as the solovent? explain
asked by anon 
alg 2
How would I factor 2X^29X+9 ?
asked by billy 
algebra
use linear combinations to solve these system. 3x+2y=22 9x8y=4
asked by aviel 
physics
1) a force of 10 N acts on a 5.0 kg object, initially at rest, for 2.5 s. What is the final speed of the object? 2) a 1500 kh car, is allowed to coast along a level track at a speed of 8.0 m/s. It collides and couples with a 2000kg truck , initially at
asked by Joceylin 
math
What is the distributive property?
asked by Teacha 
Grammar
For each sentence write whether the sentence is in the active or passive voice. 1.Pygmalion was written by George Bernard Shaw. Passive voice 2.Shaw's play is based on an ancient Greek myth. Active voice 3.Many people saw the play at the theater. Active
asked by TiffanyJ 
science
create a concept web to summarize the types of presevation  thnx
asked by kayla 
spanish NEED HELP!!!!
Es época de elecciones nacionales. Durante el almuerzo, los empleados opinan y discuten de política. Completa el diálogo con los verbos en el imperfecto del subjuntivo. (FILL IN THE BLANKS) WORD BANK: aprobar dedicarse defender estar hablar juzgar saber
asked by Jay 
Physics
density of ice 917 kg/m^3, density of sea water is 1025 kg/m^3, a piece of ice floating has a volume of 5.2 m^3, what is the weight of the heaviest bear the ice can support without sinking?
asked by Omar 
science
sequence the steps involved in the making of the cast of a shell 1)sdiment buries shell 2)??? 3)??? 4)mold results 5)??? 6) cast results
asked by kayla 
math
Find the standard deviation. Round to one more place than the data. 68, 34, 86, 46, 48, 39, 79, 85, 81
asked by fatma kaya 
math
if 1/4 inch represents 40miles then what is 1/2inch represent
asked by Angelise 
11th grade physics
A car slows down from +32 m/s to +8 m/s in 4s. Calculate the acceleration .
asked by jess 
AP Calculus
Show that the equation x^3  15x + c = o has exactly one real root. All I know is that it has something to do with the Mean Value Theorem/Rolle's Theorem.
asked by cel 
algebra 2
solve the inequality: 2
asked by sara 
Physics
What force does work on a ball rotating down an inclined plane? Explain why the other forces the ball experiences do not do work.
asked by Joe 
Math
Is RESP a form of annuity?
asked by Emily 
Physics, URGENT!!!
We consider tobacco virus diffusing along a 0.47 m long tube filled with water. The crosssectional area of the tube is unknown. The diffusion coefficient is found in Table 10.5, p. 319 in the textbook. A total amount of virus of 2.6 x 1016 kg is
asked by Sydney 
college
You are on an island where a huge explosion at a distance of 915 miles away can be heard. How long (in seconds) does it take the sound to travel to your location? Assume the temperature of the air is 20 oC
asked by Anonymous 
Geometry
The three coordinate points are collinear. Use slopes to write aproportion to find the value of a. #38. (4,1),(1,2),(5,a) #39. (4,5),(1,2),(a,0)
asked by chica 
Calculus
Suppose that the number of bacteria in a culture at time t is given by N = 4950 ( 28 + t*e ^(t/24)) Find the LARGEST and SMALLEST number of bacteria in the culture during the time interval 0 ≤ t ≤ 140
asked by Elisa 
Calculus
Find: (a) the interval(s) on which f is increasing, (b) the interval(s) on which f is decreasing, (c) the open interval(s) on which f is concave up, (d) the open interval(s) on which f is concave down, and (e) the Xcoordinate(s) of any/all inflection
asked by Dan 
physics
player kicks football from ground level with velocity of32 m/s at an angle of 40 degrees above horizontal. What is hang time of football? How far does the ball travel horizontally before hitting the ground? What is the maximum height that the ball reaches?
asked by chelsie 
Grammar
11. Costumes were created by the cast members. Passive voice
asked by TiffanyJ 
Math
Add parentheses to 9+8*76*5+4*3+2 so that the value of the expression is 105
asked by Stephen 
algebra 2
solve the inequality: 3m4>6 A. [m2
asked by sara 
science
What are the rules for number of sig figs in the answer when multiplying/dividing? when adding /subtracting?
asked by anonymous 
unit conversion
what is .07g/cm3 in kg/m3?
asked by Sydney 
physics
An EF 151 GTA sits on the EF stool and rotates CCW with an initial speed of 60 rpm. After 28 revolutions he stops. Assuming constant acceleration, how long was he rotating?
asked by sandhu 
Prealgebra
Lydia wrote 4.5 pages on her science report in 1 hr.What was her writing rate in pages per minute?
asked by Bianca 
Math
for what values of _ is 2,3_1 divisible by 9? by 3?
asked by Jake 
english
a praragraph using a adverb and adjective
asked by Anonymous 
Geometry
Rectangles The ratio of the length to the width of one rectangle is proportional to the ratio of the length to the width of a smaller rectangle. Describe the circumstances for which this proportion involves a geometric mean.
asked by chica 
english
credit card paragraph using five adverbs and five adjectives
asked by charla 
Chemistry
Is benzil soluble in NaOH? Looking at the structure of benzil it appears that it is.
asked by Amphee 
physics
A stone with a weight of 5.38 N is launched vertically from ground level with an initial speed of 25.0 m/s, and the air drag on it is 0.269 N throughout the flight. What are (a) the maximum height reached by the stone and (b) its speed just before it hits
asked by kate 
physics
A single conservative force F = (7.0x  11)i N, where x is in meters, acts on a particle moving along an x axis. The potential energy U associated with this force is assigned a value of 29 J at x = 0. (a) What is the maximum positive potential energy? At
asked by kate 
english
Fred has gone(t) to l(p)ondon with ^ last week.) plz help me
asked by rahila 
Chemistry
what are 1 or 2 causes of loss of product that you may observe when synthesising a coordination compound
asked by andrea 
Chemistry
how could you improve the product yeild if you had to redo the synthesis
asked by andrea 
Physics
A cooling fan is turned off when it is running at 920 rev/min. It turns 1100 revolutions before it comes to a stop. What was the fan's angular acceleration? How long did it take the fan to come to a complete stop?
asked by Angel 
tefl
– How, what and when would you correct mistakes/errors made during the following stages: engage stage study stage activate stage
asked by rahila 
Social Studies
What four actions did the Congress take as it began to govern the colonies?
asked by Carley 
Social Studies
What did Patriots do when they learned that British troops intended to invade New York?
asked by Carley 
math urgent!
find the values of x and y that solve te following system of equations 3x+2y=22 5x9y=25
asked by kathy 
8th grade math
Julianne plans to take advantage of the after Thanksgiving sale to purchase the portable DVD player she wants. She finds it on sale at two different stores at the local mall. JMart advertises the DVD player for $48.00, while Better Buy has the same model
asked by Anonymous 
sustainability (wes jackson)
I need help understanding this article from wes jackson "toward an ignorance based worldview". I understand he does not speak of knowledge as in getting an education of a university, but i cannot understand his point. could anyone please help me.
asked by gaby 
physics
a 2500 kg car accelerates from rest under the act of two forces. 1.) a forward force of 1400 N between the wheels and the road. 2.) 1140 resistive force due to various frictional forces. Use the workkinetic theorem to determine how far the car must travel
asked by mikaela 
Chemistry
what are 1 or 2 causes of loss of product that you may observe when synthesising a coordination compound sorry more detail we were synthesising Copper sulfate pentahydrate CuSO4.5H2O And Potassium oxylate dihydrate K2C2O4.H2O
asked by andrea 
physics
How high must a 2.0kg basketball be thrown so that the top of its arc, it has a potential energy of 160 J?
asked by royce calvin 
physics
A 200kg crate is moved across a frictionless floor by applying a net force of 70 N for 5 seconds. This results in a final speed of 3 m/s after the crate moves a distance of 5m. What is the final kinetic energy of the crate?
asked by royce calvin 
Bio Chem
What would the freezing point of water be if one prepared a 10 m solution of urea in water? (ÄTfp = 1.86°C/m x m)?
asked by Anonymous 
english
When a student has chosen to continue their education, they have also started towards being financially secure in life. has chosen is part tense participle Is "have also started" present perfect tense?
asked by Heidi 
algebra
If I receive $6570 from the sale of my car and the sales person got a 10% commission, how much did my car sell for.
asked by margie 
math urgent
A cyclist travels 70 miles in 7 hours going against the wind and 56 miles in 4 hours with the wind. what is the rate of the cyclist in still air and the rate of the wind. rate in stir air = rate of the wind=
asked by kathy 
Frequency  Physics
An organ pipe that is closed at one end has a fundamental frequency of 128 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 217
asked by Rachel 
More Frequency  Physics
A guitar player plucks two strings simultaneously. One string is tuned to a (fundamental) frequency of 381 Hz. It is found that beats are audible, with a beat frequency of 5.54 Hz. What are possible values for the frequency of the other string? (Answer the
asked by Rachel 
math urgent
2 rainstorms occurred in one week in a certain area in the first storm, 15ml of rain fell per hour, and in the second storm, 20ml of rain fell per hour. rain lasted for a total of 40 hours, resulting in a total rain of 675ml. how long was each storm. 1st
asked by leeann 
Algebra
The value V, in dollars, of a shopkeeper’s inventory software program is given by V=50t+300, where t is the number of years since the shopkeeper first bought the program. Find the value of the software after 4 years.
asked by Mary 
math urgent
a motorboat takes 4 hrs to travel 256 miles going upstream. the return trip takes 2 hours going down stream. what is the rate of the boat in still water and what is the rate current. rate of the boat in still water=mi/hr rate of the current=mi/hr
asked by mandy 
Chemistry
What volume (in liters) is occupied by 0.01 moles of carbon monoxide, CO, at 9 degrees celsius and 0.973 atm?
asked by Kewanka 
english
Fred has gone(t) to l(p)ondon with ^ last week.)
asked by rahila 
math
draw an rectangle that has an area of 12sq.in and a perimeter that is greater than 25in.?
asked by justin 
math
Help! Urgemt Constant term of (x(2/x^2))^9 is?? I expanded it and ended up with (1)^9 and (2)^9. Im stuck as to wat to do from here. should i add? or... what??
asked by Marie 
math
A person’s blood glucose level and diabetesare closely related. Let x be a random variable measured in milligrams of glucose per deciliter (1/10 of a liter) of blood. After a 12hour fast, the random variable x will have a distribution that is
asked by Kris 
Math
According to CTIAThe Wireless Association, the mean monthly cell phone bill in 2004 was $50.64. A market researcher believes that the mean monthly cell phone bill is different today, but is not sure whether bills have declined because of technological
asked by Kris 
PHYSICS
What is the angular momentum of a 2.7 kg uniform cylindrical grinding wheel of radius 12 cm when rotating at 1600 rpm? How much torque is required to stop it in 4.4 s?
asked by Malin 
Accounting
For each of the journal entries, prepare an explanation of the business event that is being represented
asked by Carol Masters 
PHYSICS
Find the force on a proton, with kinetic energy 10keV, that is moving perpendicular to a magnetic field of magnitude 2.0kG. I know I need to find the velocity, and then use F=qvBsinTHETA, but I'm so bad at equating different parts of formulas. Can anyone
asked by Trace 
Physics
how many sig figs do you use for estimated absolute uncertainties?
asked by Emily 
Physics
A 250gram pendulum bob is initially constrained at a 53 degree angle by two strings. When the horizontal string is cut the pendulum begins to swing. As the pendulum bob passes through its equilibrium position, what will be its velocity?
asked by Jenny 
Chemistry
Consider the reaction, CH4(g) + 2 O2(g) => CO2(g) + 2 H2O(g). How many grams of H2O(g) will be made by the reaction of 17 moles of CH4(g) with 7 moles of O2(g)?
asked by Alle 
Chemistry
Calculate the final temperature when 20.0 g at 60 *C iron is put into 50.0 ml of 20 *C water. The specific heat of iron is 0.449 J/g*C and that of water is 4.184*C. (Assume no heat is lost to the container or the surrounndings.)
asked by Stacy 
Chemistry
In a calibration of a calorimeter, 50.0 g of water at 60.0 *C is added to 50.0 g of water at 20.0 *C to give a mixture at 39.0 *C. What is the heat capacity of the calorimeter used in this experiment? If the calorimeter has a mass of 5.4g, what is its
asked by Stacy 
algebra
determaine if the two lines are parrallel , perpendicuar, or neither. line a: y = 4x line b: x + 4y = 2
asked by sammi 
PHYSICS
A beam of electrons is moving in a horizontal circle in a uniform magnetic field that is directed downward. The speed of the electrons is 1.0*10^7 m/s and the magnitude of themagnetic field is 1.0*10^3 T. As seen from above, are the electrons moving
asked by Trace 
math
How do you find the unit rate for this? The managerof Quality Dairy stores says it takes 1000 pounds of milk to make 100 pounds of cheddar cheese. Find a unit rate relating pounds of milk (m) to pounds of cheese (c). 1000 pounds of milk per 100 pounds of
asked by Zoe