
Algebra
A contractor leans a 13foot ladder against a building. The distance from the ground to the top of the ladder is 7 feet more than the distance from the building to the base of the ladder. Find the distance from the building to the base of the ladder and
asked by Paige on September 21, 2015 
Algebra
a painter leans a 25 foot ladder against a building. The distance from the ground to the top of the ladder is 17 feet more than the distance from the building to the base of the ladder. Find the distance from the building to the base of the ladder and the
asked by Mike on May 3, 2016 
Math
The ratio of the number of cats to the number of dogs in an animal shelter was 2:3. After 120 cats were adopted, the ratio of the number of cats to the number of dogs became 3:7. Find the total number of cats and dogs in the animal shelter in the end?
asked by Dalisay on November 22, 2016 
physics help
in a local diner a customer slides an empty coffee cup down the counter for a refill. the cup slides off the counter and strikes the floor at a distance d from the base of the counter. if the height of the counter is h. a) find an expression for the time t
asked by john on October 3, 2011 
Physics
A beam of light is incident on the surface of clear ice at 60 degrees with the normal. Find the angle between reflected and refracted ray. theda 1=60 n1= 1 (air) What would n2 be for clear ice? I know that index of refraction for water is 1.33. Would it
asked by Andrea on April 16, 2008 
social studies
how are some African people and nations working to improve their economic situation? Some African people are leaving. Northern Africans are illegally boating to Europe. Several countries have destroyed their economic infrastructure by stealing
asked by preston on February 9, 2007 
Algebra II
I have a question about Algebra polynomials. Question goes about this A rectangular painting is twice as long as it is wide. A frame surrounds the painting. The frame is a constant 2 inches wide and has a area of 196 square inches. Find the dimensions of
asked by Math Asker on October 8, 2015 
7th grade math Ms. Sue please help I have no idea!
#10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements? * *Show all your work for full credit* #11 The coordinate of rectangle ABCD are given. Find the
asked by Delilah on November 5, 2012 
Physics
A semi trailer truck (seen from back) of mass M is negotiating a right hand curve on a level highway, The constant speed of the truck is v and the radius of curvature of it's circular trajectory is R. The road exerts normal forces on the trucks tires F1,
asked by Alex on March 8, 2008 
Statistics
A recent Gallup Poll dealt with the proportion of Canadians who favoured the various Prime Ministers. It found that only Pierre Trudeau did quite well, of all Prime Ministers in recent memory, and that the proportion favouring Brian Mulroney is quite low.
asked by mike on November 18, 2013 
MS.SUE DAMON REED PSYDAG PLZ HELP ON MATH PLZZZ!!!
1. The table shows the results of spinning a fourcolored spinner 50 times. Find the experimental probability and express it as a decimal. P(not red) = ? (1 point) a 0.6 b 0.4 c 0.2 d 0.3 3. The table below shows the results of flipping two coins. How does
asked by Alexia Marsel on May 20, 2016 
Physics
The wheels, axle, and handles of a wheelbarrow weigh W = 65 N. The load chamber and its contents weigh WL = 538 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a
asked by Jenna on December 1, 2014 
English
I need to choose which 5 of these are antithesis. Please tell me if i'm correct. I put a star next to them. *A little learning is a dangerous thing, drinking deep or taste not the pierian spring *be not the first by whom the new are tried, nor yet the last
asked by Justine on October 9, 2016 
MathAlgebra
1. The length of a rectangle with a constant area varies inversely as its width. The length of this rectangle is 8in when its width is 3in. Find the length when the width is 4in. 2. The number of people working on a certain job varies inversely as the
asked by Mckenna Louise on November 24, 2013 
English
1. Can I ask you to wash the dishes? 2. May I ask you to wash the dishes? 3. Might I ask you to wash the dishes?  What is the difference between #1 and #2? Do you use #3? ================================ 4. Where can I find the post
asked by rfvv on June 28, 2016 
Grammar
Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to the number and begin typing. If the sentence is already correct, write No Change. Dangling Modifiers: Q: Although heated in the
asked by Carmen on August 29, 2008 
stats.help!
Each year, 64 college basketball teams compete in the NCAA tournament . Sandbox . com recently offered a prize of $10 million to anyone who could correctly pick the winner in each of the tournament games. A. How many games are required to get one
asked by Jen on March 26, 2017 
International Business
I have to create a 2 page handout for the following scenaario: Your company has developed a product that is all but guaranteed to be successful in any country that has a substantial population. The sales and marketing department would like you to do some
asked by Lori on July 11, 2010 
English Expression
How do you pronounce the l sound? Do you know how to say the l sound? Put the front part of your tongue on the gum in your mouth, and let the air pass on both sides of your tongue, saying l. What about the r sound? Can you speak the r sound? What is the
asked by John on April 28, 2008 
inverses
You have 700 sq ft of plywood to make the stage floor. Use A^1(x) to find the dimensions of both the runway and the main part of the stage. main stage is a rectangle and runway is a square. length of the main stage is 3x o f the runway, the width of the
asked by Laura on November 27, 2016 
math
I just do not understand how to figure this out. Find the number of subsets of the given set. {math, English, history, science, art} Would I do something like this: 1. {} 2. Math 3. English 4. history 5. science 6. art 7. Math and English 8. math and
asked by Bart on April 14, 2010 
chemistry
Melting point experiment: how do i know the calibration curve? we did an experiment where: week one we did a graph with the melting points of different compounds. week 2 we used the graph to correct the melting point of unknown # 1 and then unknown # 2 we
asked by jessica on January 18, 2011 
Physics
In a pulley system, can the force of friction equal the tension in the rope? Let's say there is a mass on a table connected to a pulley system (placed at the corner of the table), while the other mass hangs from the table ... can the force of friction
asked by Lisa on October 17, 2009 
MATH URGENT!
Ok I don't understand how to find similar figures when using proportions. Can someone explain it to me? Two figures that have the same shape are said to be similar. When two figures are similar, the ratios of the lengths of their corresponding sides are
asked by Ashley on April 24, 2007 
English
I need to find the subject and the verb in each sentence. If the subject is understood, write (you). Can someone tell me if I am on the right track? 1.Have you ever heard stories about dragons? Subjectdragons, verbstories 2.Picture a yellowspeckled,
asked by Samantha on September 16, 2007 
Statics
Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random
asked by Faith on July 19, 2011 
artist
1. The artwork pictured here best represents which message? a) Ideas and creativity can be shown with many different tools. b) It is important to use one type of tool because you understand how to use it. c) People can be limited by their ideas. d)
asked by Sarah on October 30, 2014 
Math  Algebra
The number 350 is separated into three parts (numbers). Dividing the first number by the third will give 2 and dividing the second number by the pfirst number will give 5 and a remainder of 25. Find the three numbers. Andy has 145 coins in his coin bank.
asked by Ashley Kate on January 5, 2014 
Science
Given seccant of thata = 3, use trigonometric identities to find the exact value of a Cos thata b tan squre of thata c csc (90 degree  thata) d sin squre thata secTheta=3 but secTheta= 1/cosTheta solve for cosTheta Then, sin^2theta+ cos^2Theta=1 solve
asked by Josh on August 30, 2006 
english
i need to rite an english speech but i don't know what to do it on and my confidence levels are very very low somebody please help me. it has to be an aussie icon. Hi Caitlin. When we think of an Australian icon, we think of the Boxing Kangaroo. YOu can
asked by Caitlin on September 3, 2006 
Government (Check Answers)
1. What is the procedure of voter identification intended to help prevent fraudulent voting and keep the process organized? A) political socialization B) registration C) gerrymandering D) precinct divisions E) franchising 2. What do you call all the
asked by Allison on June 27, 2013 
Math(Please check answers)
1) Solve the equation: 15(7x6) = 3x5 My answer is (85/108) 2) Mary and her brother collect coins. Mary has 4 times the number of coins that her brother has. Together they have 175 coins. How many does Mary have? My answer is 140 3) Perform the indicated
asked by Hannah on September 5, 2010 
Chemistry
A chemist dissolves 0.096 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500mL volumetric flask. A 10.8mL sample of this solution is then transferred to a second 500mL volumetric flask and diluted. What is the molarity of CuSO4
asked by Eva on March 29, 2016 
Chemistry
A chemist dissolves 0.096 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500mL volumetric flask. A 10.8mL sample of this solution is then transferred to a second 500mL volumetric flask and diluted. What is the molarity of CuSO4
asked by Eva on March 29, 2016 
Astronomy
Consider an asteroid of radius 2 km and density 2,500 kgm3 impacting the Earth. When it collides with the surface its kinetic energy is, to a large extent, dumped into the environment, some as heat vaporizing rock and some as mechanical energy throwing
asked by sam on December 23, 2012 
Math  Algebra word problem
Ace manufacturing has determined that the cost of labor for producing x transmissions is L(x) = 0.3x2 + 400x + 550 dollars, While the cost of materials is M(x) = 0.1x2 + 50x + 800 dollars. Write a polynomial T(x) that represents the total cost of materials
asked by Ashley on November 14, 2009 
Math
School is 2 miles from home along a straight road. The table shows your distance from home as you walk home at a constant rate. Time(mins): 102030 Distnce(mi)1.510.5 1)Is the relationship in the table proportional? 2)Find your distance from school fro
asked by Tim on October 11, 2015 
FINANCIAL MATHEMATICS
The variable costs associated with a certain process are $0.65 per item. The fixed costs per day have been calculated as $200 with special costs estimated as $0.02X^2, where X is the size of the production run (that is, number of items produced).
asked by FAKAAPO.SUETUSI on October 6, 2011 
Algebra
I know I can use the population growth formula. here is the question; The fox population in a certain region has a relative growth rate of 7% per year. It is estimated that the population in 2005 was 19,000. (a) Find a function n(t) = n0e^rt that models
asked by Jaydon on August 10, 2015 
chemistrybuddy
hi, i am trying to develop a lab where i find the solubility of Sodium acetate. I was wondering in i was in the right path. We are given these three compounds: Acetic acid aka vinegar baking soda (sodium hydrogen carbonate) 0.100mol/l Naoh(aq) 0.100/l
asked by chemistrybuddy on June 2, 2008 
chemistry
hi, i am trying to develop a lab where i find the solubility of Sodium acetate. I was wondering in i was in the right path. We are given these three compounds: Acetic acid aka vinegar baking soda (sodium hydrogen carbonate) 0.100mol/l Naoh(aq) 0.100/l
asked by chemistrybuddy on June 2, 2008 
Trig
A ferris wheel has a 14 meter diameter and turns counterclockwise at 6 rpm. a) Assuming that the center of the wheel is the origin of an xy coordinate plane, write functions to find the position (x,y) of a rider that starts at the bottom of the wheel. b)
asked by Lisa on April 8, 2012 
EMERGENCY!!!
HELLO! I DON'T KNOW WHAT'S GOING ON WITH ME LEFT HAND. MY PINKY IS SWOLLEN AND I HAVE NO IDEA WHY MY PINKY IS SWOLLEN. I DON'T REMEMBER INJURING MY LEFT HAND OR MY PINKY IN ANY WAY TODAY AND NONE THIS PAST WEEEK. WHEN I BEND MY PINKY I FEEL NUMNESS AND
asked by Mack on November 19, 2007 
Math
In a scene of the play the director would like the furniture to be normal sized and the actors and actresses to look like giants! The art students are making giant heads and costumes for the actors. Maria needs help with the sizes of the giant head and
asked by John on August 26, 2008 
Probability
A defective coin minting machine produces coins whose probability of Heads is a random variable Q with PDF fQ(q)={3q2,0,if q∈[0,1],otherwise. A coin produced by this machine is tossed repeatedly, with successive tosses assumed to be independent. Let A be
asked by A on April 2, 2014 
mathmatics
how much is one acre i cant find out and i want an exact answer because all the things online say between this number and that number and it bothers me so please tell me what the answer is so i can go back to my school and feel confedent bye bye and yes i
asked by Haley on November 27, 2006 
physics
A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. (b) Calculate the buoyant force acting on the balloon.________N (c) Find the net force on
asked by Amanda on November 7, 2012 
Physics drwls please help
Please tell me where I am going wrong. A 59.5 kg person, running horizontally with a velocity of +3.90 m/s, jumps onto a 12.2 kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and
asked by Mary on March 3, 2007 
Physics
A pair of speakers separated by distance d = 0.900 m are driven by the same oscillator at a frequency of 670 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers as in the
asked by Anna on June 8, 2015 
history
If courts are to regard the Constitution, and the Constitution is superior to any ordinary act of the legislature, the Constitution, and not such ordinary act, must govern the case to which they both apply. Use the passage to answer the question. What
asked by maria on January 6, 2019 
Physics
A pair of speakers separated by distance d = 0.900 m are driven by the same oscillator at a frequency of 670 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers as in the
asked by Anna on June 8, 2015 
physics
In lab, Will burns a 0.6 g peanut beneath 48 g of water, which increases in temperature from 22 degree C to 55 degree C. The amount of heat absorbed by the water can be found with the equation Q =cm \Delta T, where Q is the amount of heat, c the specific
asked by christy on April 3, 2012 
foreign languages
Writeacher, I changed my name to Mike1 because someone answered my post with "I don't know". I hope it is OK with you. Here are the sentences I left out before. 1) I was proud of myself for helping my granny last holiday (on my last holiday, during my last
asked by Mike1 on April 21, 2012 
Social Studies
Which of the following best summarizes Hoover’s and Roosevelt’s policies? A. Hoover was most concerned about stabilizing the banks, while Roosevelt chose to provide jobs. B. Hoover believed in providing public works and welfare, while Roosevelt wanted
asked by Anonymous on February 23, 2017 
Calculus
In a certain chemical reaction, substance A combines with substance B to form substance Y. At the start of the reaction, the quantity of A present is a grams, and the quantity of B present is b grams. Assume a
asked by Anonymous on December 4, 2017 
College algebra
A person is driving a car on a straight road. The graph shows the distance in y miles that the individual is from home after x hours. the graph has the following points (1, 40) and (3, 90) Find the slope intercept of the line y = ____x + ______ How fast is
asked by Lee on December 6, 2010 
Algebra 1Please, help me! (Steve)
Mulitiply. Simplify your answer. 1. 3r^2t/6st^3 x 2r^2s^3t^2/8r^4s^2 Add or subtract. Simplify your answer. 2. x^2 + x/x^2 + 3x + 2 + 3/x + 2 3. The Escobar family went on a car trip. They drove 100 miles on country roads and 240 miles on the highway. They
asked by Victoria on May 27, 2014 
Music
Hello Instrument: Baritone Saxaphone I am to play the circle of forths for a band test. (only G to D flat) Although i realise for G i would start at E on the circle i don't understand what notes to play for each scale ..as i forgot too tell you we have to
asked by Mike on June 11, 2006 
English
Sorry, but what are some examples of these themes from A Raisin In The Sun. I tried to do some and don't know if they are right. I was also ask to find out what the rhetorical device for the examples of each theme represents. So please help me. 1. Values,
asked by Notafanofschool on March 9, 2015 
Chemistry
50mL of 0.1M HCl is mixed with 50mL of 0.1NaOH. delta T = 3^oC. Calculate the enthalpy of neutralization per mole of HCl. assume the specific heat capcity of the solution is 4.18J/g/C and density=1.0g/mL. I tried it but got the wrong answer. What I did was
asked by Vic on August 10, 2007 
Chemistry
If we ignore the small fraction of U234, natural uranium has a concentration of 99.28 atom% of U238 and 0.72% U235. Their halflives are, respectively, 4.68*109 and 7.038*108 years. (a) In the future, will the U238 percentage be higher or lower? (b) In
asked by Jane on October 15, 2013 
College Physics
Tarzan spies a 35kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, vine so that he will first come to rest 4.0 s after beginning his swing, at which time his vine makes a 12 degree angle with the vertical.
asked by Jen on October 26, 2007 
algebra1/McDougal Littell
Is the given number a solution of the equation or the inequality? 4y7=3y4;3 equation I think it is the inequality. Try substituting 3 for y and see what you get. 4*37=3*34 or 127=94 Is this a valid equality? Alternative solution: solve for y
asked by tonya on September 14, 2006 
Physics
(a) Determine the amount of work (in joules) that must be done on a 104 kg payload to elevate it to a height of 993 km above the Earth's surface. ______ MJ (b) Determine the amount of additional work that is required to put the payload into circular orbit
asked by Jeannine on June 11, 2007 
Math
Math Unit 6 Lesson 7: Exploring Probability Unit Test Connexus I already answered the questions and I just need to check them so pls help. Thx 1. A single standard number cube is tossed. What is the probability of getting a number greater than 3? A.2/3
asked by Anonymous goat on May 21, 2018 
Math
A regional flight has first class passengers and of economy passengers. x = number of economy passengers and y = number of first class passengers The plane has at least 20 economy passengers The plane has at least 10 first class passengers The plane has 2
asked by Ayan on November 30, 2017 
Science
I missed a few days and I forgot what the following are Independent Variable Dependent Variable Control and the order of scientific methood This should refresh your memory. An independent variable is the potential stimulus or cause, usually directly
asked by Ash on October 1, 2006 
OPERATING SYSTEM
Hi, I need help with these questions. I have tried to find them but could not. 1.OLE is now referred to as ActiveX by Microsoft. 2.Embedded objects will travel with the destination document. 3.Linked objects will travel with the destination object. 4.A(n)
asked by Jameson on February 10, 2010 
algebra
Flying with the wind, a plane traveled 390 miles in 3 hours. Flying against the wind, the plane traveled the same distance in 5 hours. Find the rate of the plane in calm air and the rate of the wind. rate of plane ? mph rate of wind ? mph
asked by Jer on November 23, 2014 
AP GOVT
Where in the constitution (in the first 3 articles) can you find 'a power that the executive branch has over the judicial branch';'a power that the legislative branch holds over the executive branch'; and 'a power the judicial branch holds over the
asked by Jordan on August 24, 2009 
english
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. Bold each adverb. Underline each adjective. Compare the event to one or more similar events. When comparing, use at
asked by smb on September 8, 2010 
Physics**Scientist
Please help me with this!! I really can't find it. 1) This scientist used his device by dropped a spool of wire through a magnetic field. 2)This scientist used a torsional balance to show that the magnetic repulsion between magnetic poles varied by the
asked by Isis on May 30, 2013 
Microeconomics
1.You plan a major adventure trip for the summer. You won’t be able to take your usual summer job that pays $6,000, and you won’t be able to live at home for free. The cost of your travel on the trip will be $3,000, film and videotape will cost you
asked by yt on November 14, 2010 
Physics sound
As the drawing shows, the length of a guitar string is 0.628 m. The frets are numbered for convenience. A performer can play a musical scale on a single string, because the spacing between the frets is designed according to the following rule: When the
asked by Judy on June 18, 2007 
English
I know that no one is here to do my homework but I am in quite a pickle today. I really need someone to give me a intro that I can start off on. Or even a sentance. I am really confused right now. a sentance is all i ask. Here is a sentence: Shakespeare
asked by Gina on October 11, 2006 
math,correction
Problem #1 Number problem. If onehalf of one integer is subtracted from threefifths of the next consecutive integer, the difference is 3. What are the two integers? My answer is: the two integers are 24 & 25 Problem#2 Science and medicine. A passenger
asked by jas20 on March 7, 2007 
Social psycology
Prepare at minimum a 1,400 word paper (no maximum) in which you examine the discipline of social psychology. As a part of your examination, be sure to address the following items: o Define social psychology. o Discuss how social psychology differs from
asked by cla on February 10, 2011 
medu
RM 2000 was invested on 15march 2012. If the simple interest rate offered was 10% per annum, find the interest received on 29 August 2012 using A. Exact time and exact simple interest B. Exact time and ordinary simple interest C. Approximate time and exact
asked by mariam on June 8, 2012 
Math
1. What is the algebraic expression for the following word phrase: the sum of 3 and 4x? 2. What is the algebraic expression for the following word phrase: the quotient of 8 and the difference of x and y? 3. What is the algebraic expression for the
asked by Cakes4me on September 8, 2017 
Physics
A vector has magnitude 58.0 units and is inclined to the positive axis of x at 42.0°. Vector has magnitude 36.0 units and is inclined to the positive axis of x at 121°. Vector has magnitude 40.0 units and is inclined to the positive axis of x at 53.0°.
asked by Alex on February 7, 2015 
chem
if ferric chloride was added to an unknown which happened to be benzophenone to identify if it has the phenol functional grp...will the sol'n turn purple (it contains the phenol) or yellow(does not contain phenol)? Benzophenone is a ketone and ketones
asked by kim on November 18, 2006 
Calculus Damon, Steve, Reiny
I forgot to mention that I am trying to find sigma squared.. given that the mean is r and p(x)= (1/r)(e^(x/r)) on the interval [0,infinity), where r>0.. note: sigma squared= integral sign (inf, inf) (xM)^2 p(x) dx i got (r^2  2r)^(1/2) for sigma, but
asked by Christina on November 28, 2015 
English
I left out the following sentences. Thank you very much for your invaluable help! 1) I don't like reading novels because they are sometimes too abstract. I've got a quite oval face. 2) I like doing clothes shopping. At five o'clock I do to calisthenics
asked by Henry2 on November 11, 2011 
English
I don't know how bad it is. But here it is. In the story “Only Goodness”, Rahul’s mother is characterized by her blindness in which of parental behavior plays a big role in their children. Eventually, an act that in one way or another would end up
asked by Alie on October 13, 2016 
physic
A police car is travelling in a straight line with constant speed vp.A truck travelling in the same direction with speed 3/2 vp passes the police car.The truck driver realizes that she is speeding and immediately begins to slow down at a constant rate
asked by shaiz on February 11, 2011 
Integration
What is integral [0 to 2] e^x^2 dx You are talking about the error function. That integral cannot be expressed in a closed form in terms of other simple functions. The answer I get, taken from an error function table, is 0.99532 * [sqrt(pi)]/2 =0.88208...
asked by 413 on October 22, 2006 
Math
The area of a rectangle is shown below The area of the rectangle is 56 Which of the following are possible values for the length and width of the rectangle? A.length=6cm and width=9cm B.length=7cm and width=8cm C.length=14cm and width=14cm D.Length=28cm
asked by Jerald on March 6, 2013 
algebra
The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acrefeet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature,
asked by Jesse on October 25, 2014 
Algebra
an arrow is shot straight up from a cliff 58.8 meters above the ground with an initial velocity of 49 meters per second a. write an equation that represents this situation b. Transform the equation to the format that can most easily be used to find the
asked by Jabari on March 19, 2017 
Chemistry
Can hypochlorite ions oxidize bromide to bromine? In acid solutions, yes. That's the old qual test for bromide. Shake a solution of the unknown with NaOCl, this oxidizes bromide to bromine, and the bromine colors the carbon tetrachloride layer (added
asked by Raj on March 20, 2007 
PhysicsDr. Bob cannyou look at my workI'm still
had this question last night for Dr. BobA fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it grabscarrion
asked by Joelle on September 23, 2010 
PhysicsPlease help!!!
had this question last night for Dr. BobA fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it grabscarrion
asked by Joelle on September 23, 2010 
chemistry
a beam of blue light has a wavelength of 595 nm. What is the frequency Since this is not my area of expertise, I searched Google under the key words " wavelength frequency" to get these possible sources: http://zebu.uoregon.edu/~soper/Light/frequency.html
asked by crystal on June 12, 2007 
chemistry
which has the most acid coke or vinegar I don't have any numbers to support my thinking but I know MOST brands of vinegar are 5% acetic acid (although I saw one recently at 4%). I think coke is about 0.05 M but I don't KNOW that. In addition, k1 for H2CO3
asked by nichole on November 12, 2006 
socal
if i have to do reserch about french guiana and i cant find information on the internet or books. what should i do Thank you for using the Jiskha Homework Help Board. Not to worry on French Guiana! I have more if you need it, but here's a start for you:
asked by tara on February 8, 2007 
Chemistry
We have been getting numerous questions like this on assignments and I can't figure them out. Its like I know that there some way connected but I can't figure it out. This is for Chemistry in highschool and its likea review and so they are not going over
asked by Tracy on September 17, 2006 
Math
18. In 2000, the circulation of a local newspaper was 3,250. In 2001, its circulation was 3,640. In 2002, the circulation was 4,100. a. Find the percent of increase in the newspaper’s circulation from 2000 to 2001 and from 2001 to 2002. b. Which period
asked by EmberShy on October 13, 2016 
Math
In 2000, the circulation of a local newspaper was 3,250. In 2001, its circulation was 3,640. In 2002, the circulation was 4,100. Find the percent of increase in the newspaper's circulation from 2000 to 2001 and from 2001 to 2002. Which period had the
asked by Anonymous on December 18, 2015 
work force
a force of 10 pounds is required to stretch a spring of 4 inches beyond it's natural length. assuming hooke's law applies, how much work is done in stretching the spring from its natural length to 6 inches beyond its natural length. what i did so far:
asked by david on April 13, 2007 
equilibrium
when Br2 (5.7mol) and Cl2 (.0934mol/L)in a 61 L vessel at 604'C are allowed to come to equlibrium the mixture contains .0523 mol/L of BrCl. What concentration of Cl2 is reacted?  i know how to find the Kc... Br2 + Cl2 ==> 2BrCl 0.0523 mol/L BrCl at
asked by christine on April 10, 2007
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