Questions Asked on
April 14, 2011

Algebra
Three quarters are tossed and a tail appears on at least one of them. What is the probability that at least one head appears? Express as a common fraction.
asked by Sam 
Algebra
For how many twodigit prime numbers is the sum of its digits 8?
asked by Jack 
chemistry
What mass of liquid water a t room temperature (25°C) can be raised to its boiling point with the addition of 40.0 kJ of energy?
asked by Anonymous 
Math
You are given 9 to 1 odds against tossing three heads with three coins, meaning you win $9 if you succeed and you lose $1 if you fail. (Find the expected value of the described game. Would you expect to win or lose money in 1 game? in 100 games? Explain.
asked by Chris 
physics
In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a
asked by monique 
physics
At the equator, the earth’s field is essentially horizontal; near the north pole, it is nearly vertical. In between, the angle varies. As you move farther north, the dip angle, the angle of the earth’s field below horizontal, steadily increases. Green
asked by Tom 
chemistry
I don't know how to explain or if Ive got my homework answer correct. The question is: A patient on dialysis has a high level of urea, a high level of sodium and a low level of potassium in the blood. Why is the dialyzing solution prepared with a high
asked by Connie 
chemistry
The indicator methyl red has a pKhln=4.95 . It changes from red to yellow over the pH range from 4.4 to 6.2. If the indicator is placed in a buffer solution of Ph = 4.56, what percent of the indicator will be present in the acid form,Hln , AND what
asked by Carmel R. 
Physics
Light containing two different wavelengths passes through a diffraction grating with 1300 slits/cm. On a screen 16.0 cm from the grating, the thirdorder maximum of the shorter wavelength falls midway between the central maximum and the first side maximum
asked by Chelsea 
history
Discuss how the rise of capitalism led to the development of communism. I put: • Capitalism was where individuals and business firms would carry out all factors of production and trade. The owners would control the prices of their products. When
asked by Anonymous 
math
A teacher prepares a test. She gives 5 objective type questions out of which 4 have to be answered. Find the total ways in which they can be answered if the first 2 question have 3 chioce and the last 3 have 4 choices. I think this a permutation question
asked by michele 
Chemistry
How many isomers does bromoethane (C2H5Br)??
asked by Danielle 
Chemistry: Stoichiometry
calculate the number of oxygen needed to oxidize 12.5grams of glucose (C6H12O6) into carbon dioxide and water. (Combustion reaction)
asked by Opo 
math
please help me how to find the median , range and mode of 2,8,24,12,22,62,61,62,82.
asked by santos 
Math
How do you do a number pattern for 8 starfish with 5 arms
asked by Evelyn 
Chemistry: Stoichiometry
calculate the number of oxygen needed to oxidize 12.5grams of glucose (C6H12O6) into carbon dioxide and water. (Combustion reaction)
asked by Opo 
physics
Billiard ball A of mass mA=0.400kg moving with speed vA=1.80m/s strikes ball B, initially at rest of mass mB=0.500kg. As a result of the collision, ball A is deflected off at an angle of 30.0 degrees with a speed of vA=1.10m/s. (a) Taking the x axis to be
asked by shahzi 
child care
A good technique to prevent children from talking to you while you're observing is to A. sit far away. B. avoid eye contact. C. stand to one side. D. tell them to go away.
asked by Anonymous 
Physics pls help
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is 9.10939 × 10^−31 kg. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.1
asked by cr 
Chemistryatoms
A. How many protons are in one atom of fluorine  19? B. How many neutrons are in one atom of potassium  39? C. How many electrons are in one neutral atom of V  51? D. What is the symbol for the element that has 78 protons? E. What is the symbol for the
asked by Anne 
Chemistry
In one trial of an investigation 50.0 mL of HCl(aq) of an unknown concentration is Tiresias with 0.10M NaOH (aq). During the titration the total volume of NaOH (aq) added and corresponding pH value of the reaction mixture are measured and recorded in the
asked by Kelly 
childcare
2. Rachel's parents enrolled her in your afterschool program in September. In October, Rachel and another girl named Callye started planning a holiday play for December. They worked on the plan everyday. Soon they became inseparable. In December, parents
asked by brandy 
Physics
A particle with a charge of 60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 33.0 cm. The spherical shell carries charge with a uniform density of 2.02 µC/m3. A proton moves in a circular orbit
asked by Danielle 
chemistry
For a solution that is 0.280M HC3H5O2 (propionic acid, Ka= 1.3*10^5) and 0.0894M HI , calculate the following: [H3O+] [OH] [C3H5O2] [I]
asked by Saunders 
Chemistry
How many moles of silver nitrate are needed to produce 6.75 moles of copper nitrate (CU(NO3)2) upon reaction with excess copper by useing this equation: 2AgNO3(Aq) + Cu (s)>2Ag(s)+Cu(NO3)2 (AQ)
asked by Jane 
trig
Show that (9045)=cos90 cos 45
asked by Ntando 
Chemistry
To what Celsius temperature must 32.5 mL of methane gas at 60.0°C be changed so the volume will be 62.0 mL? Assume the pressure and the amount of gas are held constant.
asked by Mary 
Math
There are 30 students in a math class. 12 belongs to the computer club and 8 belongs to the photograph club. three belongs to both. how many belongs to neither???
asked by Duce 
Algebra
What is the number of degrees in the measure of the larger of two supplementary angles if the ratio of their measures is 4:5?
asked by Tana 
chemistry
Decide if each of the following principles were first discovered during Thompson's cathode ray tube experiments, Rutherford's gold foil experiment, Millikan's oil drop experiment or none of these. Label each one with either Thompson, Rutherford, Milikan,
asked by chris 
childcare
Which of the following observations of children is the most objective? A. Chris took a toy truck from Alex. Alex cried, became angry because Chris took the truck, and then stamped his feet on the floor. He snatched the truck back from Chris, and ran to the
asked by brandy 
childcare
Observational records that contain significant detailed information are usually in what form? A. Checklist B. Narrative C. Unobtrusive D. Outline i got d
asked by brandy 
French  SraJMcGin
Thanks for your help with the last exercises. But Im still sort of confused with the Superlative stuff. For the excercises yesterday. Le film, Inception est le plus interessant au Canada. The teacher corrected this sentence to: Inception est le film le
asked by Sydney 
Chemistry
How many grams of water will be produced if 32.0 g of nitrous oxide are also produced in the reaction? useing this equation: NH4NO3 (s)> N2O (g) + 2H2O (g)
asked by Jane 
Biology
Suppose you have monohybrid pea plants in your garden and find that they produce round seeds to wrinkled seeds in the ratio of 3:1. If the alleles are designated R and r, respectively, what are the probable genotypes of the wrinkled seeds produced by your
asked by Joe Henly 
Math
you deposit $1000 at 3% per year.what is the balance at the end of one year,and what is the annual yield,if the interest.Please help solve the problem. Simple interest? Compounded annually? Compounded quarterly Compounded daily
asked by Mike 
physics
A 20 kg object falls from a height of 30 meters. How many joules of kinetic energy will the object have just before it hits the ground?
asked by luis brito 
Geometry
The area of triangle ABC is 494in^2. Find the height if AC = 19 inches.
asked by Need Help 
FRENCH  *Imperative*
Limperatif. Use the command to indicate what your friends should or should not do. Could you please give me an example of what its asking me to do. For the not. I believe you are supposed to put N' infront of a verb.
asked by Sydney 
Math
A gift store stocks baseball hats in red or green colors. Of the 35 hats on display on a given day, 20 are green. As well, 18 of the hats have a grasshopper logo on the brim. Suppose 11 of the red hats have logos. How many hats are red, or have logos, or
asked by ann 
Geometry
A gallon of paint costs $20 and covers 465 square feet. Three coats of paint are recommended for even coverage. The room to be painted is 12 feet high, 20 feet long, and 20 feet wide. Only 4 gallons of paint are left to paint the room. Is this enough paint
asked by Need Help 
Geometry
Determine whether each statement is always, sometimes, or never true. Two cones are similar. A pyramid is similar to a square. Two spheres with the same radius are congruent. Nonsimilar solids have different volumes.
asked by Need Help 
English
Jack London's Law of Life What is the "law of life"? How does it relates to naturalism?
asked by Misty 
English
Can you please check of these sentences are possible? Thank you. 1) You limited yourself to include (including?) the various themes without linking them in a coherent paragraph. 2) In your paragraph you didn't change any single word from the notes I gave
asked by Mike1 
managing human resources
what economic social and political forces have made emplouyee even more important tody that it was in the past
asked by jeev 
Child Development
When preparing an environment for scjhoolaged childre, the caregiver should ensure that the (children have the opportunity to relax in a homelike atmosphere) OR (outdoor area allows them t ocontinnually challenge their physical ability)? I cant remember
asked by Brooke=HELP 
Math
She added 4, multiplied the sum by 5, and subtracted 12. She then doubled the result and got 34. What number did Christa started with?
asked by Jay 
Calculus (please help!!!)
Consider the parameterization of the unit circle given by x=cos(4t^2−t), y=sin(4t^2−t) for t in (−InF, INF). Describe in words and sketch how the circle is traced out, and use this to answer the following questions. (a) When is the parameterization
asked by Catherine 
algebra
Tad was delivering lunch to a local office building. His first delivery was to the middle floor of the building. He then took th elevator up 4 floors for the next delivery, down 6 floors for his third delivery, and up 7 floors for his final delivery. He
asked by Tom 
Chemistry (The Composition of an Atom)
In 1808, John Dalton wrote his atomic theory of matter. The following is a list of points from that theory. If it is still considered true today, label it true. If it is not considered true today, label it false. 1)Atoms cannot be subdivided. 2)Atoms
asked by Andy 
childcare
One of the most important factors in a caregiver's ability to provide quality care is A. good business sense. B. patience. C. knowledge of child development. D. experience in the field. i got b
asked by brandy 
Math
Jake spent 3/8 of is money on books and 1/2 of what is left on magazine. he now has $6.25. how much did he start with?
asked by Micky 
math !!!! :O
Luisa and Connor had $360 altogether. After Connor gave Luisa 2/5 oh his money, she had the same amount of money as he did. How much money did Connor have in the beginning?
asked by Katherine 
childcare
Six, seven, and eightyearolds A. do a great deal of tattling and boasting. B. make lasting friendships. C. are seldom aggressive. D. become logical thinkers. im not sure about this one
asked by brandy 
Math
List the elements {a1, a2, a3...} where an is defined as a1= 1, an=na(n1) n E N, 1
asked by Alicia 
physics
A sphere of radius 0.715 m, temperature 21.1°C, and emissivity 0.672 is located in an environment of temperature 93.8°C. At what rate does the sphere (a) emit and (b) absorb thermal radiation? (c) What is the sphere's net rate of energy exchange?
asked by jim 
Chemistry
I need to know how to right a net ionic equation for the following chemical reaction: 5 H2C2O4 + 3 H2SO4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 8 H2O + 10 CO2
asked by Matthew 
Chemistry
How many moles of aluminum oxide can be produced from 12.8 moles of oxygen gas (O2) reacting with excess aluminun (Al)? useing this equation:  I don't get how to do these? 4Al(s) + 3O2> 2Al2O3(s)
asked by Jane 
chemistry
Lactic acid, C3H6O3, is found in sour milk. A solution containing 1.00g NaC3H5O3 in 100.0mL of 0.0500M C3H6O3 has a pH= 4.11. Calculate the Ka of lactic acid
asked by Lauren 
chem PLEASE HELP
WHO MADE THESE ATOMIC DISCOVERIES? An atom has a nucleus that is very small In a reaction, the mass of the products must equal the mass of the reactants. Electrons are negatively charge pieces of matter. An electron has a mass that is very small compared
asked by Sal 
chemistry
Thymol blue in its acid range is not a suitable indicator for the titration of HCl by NaOH(aq) . Suppose that a student uses thymol blue by mistake in the titration of Figure 179 in the textbook and that the indicator end point is taken to be pH=2.0.
asked by sk1227 
business math
gordon rosel went to his bank to find out how long it will take for $2,300 to amount to $2, 860 simple interest.
asked by elijah 
Chemistry
how could you maximize the rate of reaction of magnesium and hydrochloric acid other than concentration and surface area techniques.tell a experiment in short.
asked by Anjan 
French  Excerise on Passe Compose
Here is another writing prompt which basically focuses on the Passe Compose. Using the irregular verbs Avoir, Etre. Here are the instructions: You are spending six months in Paris studying at a specific language school. Write your French teacher a letter
asked by Sydney 
Chemistry 12
If a 0.50 M solution of potassium hypochlorite, [OH^]=3.0*10^4. What is the Ka for hypochlorous acid? Can someone please help me with this question? I can't get the right answer
asked by JM 
Math
after your holiday you have come home and decided that you are going to open up your own business.In order to advertise you put up a free standing sign. you notice that the shadow of the sign is 4metres long when your shadow is 1.6m long if you are 1.5m
asked by Dwight 
Buffer L
CH3CO2H: 0.109M & 20ml NaOH : 0.109M& 10ml H20:10ml Buffer Problem, when I solve it the ratio becomes the same and the pH is the same as the pka, is that right?
asked by Nicole 
math
Mr. Forrester has a swimming pool that measures 3 1/3 yards by 8 yards. If the deck around the pool is 2 2/3 yards wide, what is the outside perimeter of the deck?
asked by Marie 
Physics
A bomber is flying horizontally over level terrain at a speed of 250 m/s relative to the ground and at an altitude of 3.20 km. The bombardier releases one bomb. How far does the bomb travel horizontally between its release and its impact on the ground?
asked by Chi 
social studies
both patricians and plebian men were roman what?
asked by aname 
Math
On Dec 1,2007,you could buy a 10year U.S.Treasury note(a kind of bond)for $10,000 that pays 4.21% simple interet every year through Dec 28,2017.How much total interest would it earn by then? Thanks!
asked by Lucky 
Business & Society
What are two forces that you believe shape the relationship between business and society?
asked by mary 
Algebra
The measures of two sides of a parallelagram are 28 in and 42 in. If the longer diagonal has measure 58 in, find the measures of the angles at the vertices
asked by Kaylee 
reading
working on a crossword puzzle it has 8 letters and the words are grammar;______;:scale;music
asked by John 
American History
This is what my teacher wrote up on the board today and i was needing some help with it i don't really understand it all... This is exactly what he wrote: In a pagelong essay describe how we got Texas Include: Stephen Austin, Zachary Taylor, Manifest
asked by Caitlin 
Geometry
How do you find the base and height of the parallelogram if the area is 180 square units?
asked by Need Help 
English
Can you please check these sentences for me? Thank you very much. 1)Another important theme is that of equivocation.The witches confuse good and bad (better evil). They are unable to distinguish between good and evil. 2) Closely connected to the theme of
asked by Mike1 
Math
What is the exact number of 2 inch cubes that wi fit in a rectangular prim measuring 6 inches by 8 inches by 4 inches?
asked by Jim 
Physics
Diego pulls a 4.5 kg sled across level snow with a force, F, of 200 N on a rope that is 35.0° above the horizontal, as shown in Figure 1018. If the sled moves a distance of 63.6 m, how much work does Diego do?
asked by Lisa 
Geometry
The coordinates of the vertices of a polygon are R(4, 3), S(4, 7), T(5, 7), and V(5, 3). Find the area and determine whether it is a parallelogram, rectangle, or square.
asked by Need Help 
Geometry
The coordinates of the vertices of a polygon are A(0, 0), B(7, 0), C(9, 7), and D(2,7). Find the area and determine whether it is a parallelogram, rectangle, or square.
asked by Need Help 
FRENCH Venir
Based on the illustrations, write sentences with VENIR DE to tell what everyone has just done. 1. Nous venons de faire du shopping. 2. Je viens de manger mon sandwich au jambon. 3. Ils viennent de téléphoner. 4. Tu viens de préparer une tarte. 5. Elle
asked by Sydney 
world history
neanderthals lived near homo sapians for thousands of years
asked by tina 
reading
crossword puzzle 6 letters words given square;perpendicular;:triangle;________
asked by John 
Geometry
The area of rhombus RSTV is 1326 Ft. Find SV if RT = 39 ft.
asked by Need Help 
reading
crossword puzzle 9 letters words given watermark;paper::________;person
asked by John 
Composition
what does united we stand mean
asked by Bojangles 
Ebglish
I still have afew more doubts 1) The Whigs were in power (and not "in charge") from 1714 and 1760. 2) Avoid writing longwinded sentences linked by the conjuction "and". 3) The ministers' meetings were called Cabinet (better: they developed into the
asked by Mike1 
quadratic equation
(x + 6)2 = 49
asked by Anonymous 
French  Professions
Sorry, If Im posting a lot of French stuff today, its just that I have a Test tomorrow on all of this, so Im trying to get myself prepared. Professions in French  I want to know exactly what the professions mean, so I don't get them mixed up anyhow. Un
asked by Sydney 
physics
The average rate at which energy is conducted outward through the ground surface in a certain region is 51.6 mW/m2, and the average thermal conductivity of the nearsurface rocks is 3.31 W/m·K. Assuming a surface temperature of 11.7°C, find the
asked by tim 
French  Grand Palais et Petit Palais
Im wandering whether these two palaces are connected to each other? Or are they two different Palaces?
asked by Sydney 
Geometry
Find the base and height of the parallelogram if the area is 1395 square units.
asked by Need Help 
chemistry
True or False? Two identical beakers of water that have been over the same size flame for the same length of time will ALWAYS stay at the same temperature, no matter how much water is inside.
asked by Jessica 
math
If the true population standard deviation was known to be 3.0, then approximately what minimum sample size would you need in a simple random sample if you want a 95% confidence interval for the mean to have a margin of error of .5 or less?
asked by Marissa 
pys 202
One of the reasons that certain advertisements are successful is because viewers want to behave like those they observe. What is the general term that psychologists use to describe this type of behavior?
asked by Anonymous 
Geometry
Given the vertices of RST where R (3, 2), S (1, 1) and T (0, 4), explain how you would solve for R’S’T’ after the translation (x, y) (x +3, y – 1).
asked by Need Help 
Biology
How does the CVS, urinary and respiratory systems work together to maintain homeostasis?
asked by Natalie 
physics
Which principle can be applied to explain what happens to the pitch of a sound as the source comes closer and close,pass the listener and away?
asked by Nobuhle 
english
Values and Lifestyle system of consumers in James B. Twitchell's What We Are to Advisters. What are the consumers gropups being targeted?
asked by Anonymous 
Quadratic Equations
Can anybody tell me step wise step how to solve this quadratic equation? x^33x^2+4=0 Please tell me step wise step as i haven't solved such type of equations before. Thank You
asked by Akash 
Physics
You observe someone pulling a block of mass 48 kg across a lowfriction surface. While they pull a distance of 3.0 m in the direction of motion, the speed of the block changes from 4.9 m/s to 7.7 m/s. Calculate the magnitude of the force exerted by the
asked by Amelie 
Intro to chem
What is the volume of 19.7g of oxygen at STP? Heres what i got but did not get the same answer..pls tell me where i am wrong! (grams to moles) 19.7g x 1 mol/ 16.00 = 1.23 mol Oxygen (Pv=nRT) looking for V 1.23 mol x 0.0821 x 273K / 1.00 atm = 27.57 CORRECT
asked by pooja 
Calculus
1. Find the are between the curves y=e^x and y=4x^2 graphically. a.) set up the integral b.) include bounds rounded to three decimal places c.) use integral function on calculator 2. Find the area of the "triangular" region bounded by y=4x on the left,
asked by Amy 
Chemistry
Name the new compound formed when sodium sulfide is added to zinc sulfate. What is the chemical formuala for this new compound?
asked by Naseeb 
Geometry
Given the volume of two cubes, find the scale factor. 6) V = 343 in3 and V = 729 in3 7) V = 1331 ft3 and V = 125 ft3
asked by Need Help 
Geometry
The scale factor of two similar solids is 7:5. 8) Find the ratio of volumes. 9) Find the ratio of surface areas.
asked by Need Help 
chemistry
why is it a bad idea to use lead in ceramic object that are used to serve food
asked by angel 
finance
Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5%.
asked by rebecca 
Geometry
Find the scale factor of the two spheres if g = 12 and h =10.
asked by Need Help 
Math
you deposit $1000 at 3% per year.what is the balance at the end of one year,and what is the annual yield,if the interest.Please help solve the problem. Simple interest? Compounded annually? Compounded quarterly Compounded daily
asked by Mike 
english
Could you show me some examples of sentences using pronouns desribing a recent interaction with a friend or family member about personal finance or credit cards.
asked by Jackie 
home economics
Bridget has a limited income and consumes only wine and cheese; her current consumption choice is four bottles of wine and 10 pounds of cheese. The price of wine is $10 per bottle, and the price of cheese is $4 per pound. The last bottle of wine added 50
asked by Gar 
math please help
Inverse Trigonometric Functions please explain this to me in mathematical steps please how to solve sin^(1) (1/2) this equals  pi/6 i know that sin^(1) domain and range switch from original sin but i don't know how to apply that... i need an
asked by Amy~ 
division
example of a expanded notaion problem
asked by veldee 
CONSUMER BEHAVIOUR
HOW DOES A BUSINESS GO ABOUT CHOOSING THE RIGHT TENDER
asked by MA;IBONGWE 
english
sam's essay lack a clear beginning,middle, and end as well as wek and limited transitions. in which area was Sam's essay weak?
asked by Anonymous 
math
3u(squared) 11u  14 =??
asked by Sheldon 
home economics
In an article about the financial problems of USA Today, Newsweek reported that the paper was losing about $20 million a year. A Wall Street analyst said that the paper should raise its price from 50 cents t o75 cents, which he estimates would bring in an
asked by Gar 
math
2u (squared) + 5u  18
asked by Sheldon 
Science
Consider a mole of CO2 and a mole of N2O each at STP. Which of the following statements are true? Check all that apply. ~Both gases will have approximately the same density at these conditions. ~When the volume is not held constant, raising the temperature
asked by Laura 
Socials
All schools in BC(private and public schools) should be fully funded by the Ministry of Education. I know that there could be Cons to this as well. But Ive got to list the Pros. The Pros  All students should not need to pay to receive education. It should
asked by Anonymous 
finite math
The weights of boxes of Brand Z cereal were found to be normally distrubted with a mean of 16.5 ounces and a standard deviation of 0.4 ounces. a. what percentage of the boxes will weigh more than 16 ounces? b. what percentage of the boxes will weigh
asked by margie 
finance
A company’s perpetual preferred stock currently trades at $80 per share and pays a $6.00 annual dividend per share. If the company were to sell a new preferred issue, it would incur a flotation cost of 4%. What would the cost of that capital be?
asked by kory 
finite math
kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores
asked by margie 
finite math
1. what are the mean and standard deviation for this distribution of weekly takehome pay amounts? 2. what percentage of the pay amounts lie within 1 standard deviations of the mean? 3. what percentage of the pay amounts lie within 2 standard deviations of
asked by margie 
earth
¿EN QUE PUNTO DE GRAVEDAD SE PUEDE RETORNAR UN SATELITE ARTIFICIAL HACIA LA TIERRA? ¿EN EL PERIGEO O EN EL APOGEO?
asked by Rosemary 
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 26 chocolates in his jar with a cashew. (He hates cashews with a passion.) How many
asked by Sarah 
Math
She added 4, multiplied the sum by 5, and subtracted 12. She then doubled the result and got 34. What number did Christa started with???
asked by Anonymous 
MATH
CAN YOU EXPLAIN TO ME HOW quadratic equation CAN BE USED IN EVERYDAY LIFE?
asked by patiance 
SraJMcGin
Sra I have a lot of French posts below. Could I please receive your help with them? I have a Test tomorrow, so Im trying to prepare myself at the earliest. Thanks a lot in advance. :)
asked by Sydney 
French
1. _______ (on sundays), mes parents _______(aller) musee. 2. _______ (on Fridays) , ma mere _______ (aller) Banque
asked by mel 
Social Studies
Name two other factors besides latitude that influence japans climate? and what major ocean currents affect japan
asked by Erika 
chemistry finding moles
I know the formulas to a mole which equals 6.02x10 to the 23rd power but i have no idea what to do with the formula when converting grams to moles visa versa or atoms or molecules, and i have no idea what goes with what as far as what resources you're
asked by Jessica 
psychology
what do you do if a teacher and a behavior analyst want you to teach a child two different ways? (Autistic child)
asked by celli 
Chemistry
What is the final volume of 945 mL of neon gas at 174°C if the gas is cooled to 58.5°C? Assume the pressure and the amount of gas are held constant.
asked by Mary 
american history
What Civil War general replaced Hooker as commander of the army of the Potomac in June of 1863?
asked by sabrina 
Chemistry
If 290 Liters of carbon dioxide forms, how many grams of nitroglycerine exploded?
asked by Syd 
Chemistry
What is the volume of 150. mL of oxygen gas at 72.0°C and 110. mm Hg if the conditions are adjusted to 750. mm Hg and 82.5°C? Assume the amount of gas is held constant.
asked by Mary 
Chemistry
A closed container with a mixture of hydrogen, helium, and argon has a total pressure of 3.00 atm. The partial pressure of hydrogen is 0.550 atm and the partial pressure of argon is 615 mm Hg. What is the partial pressure of helium?
asked by Mary 
Chemistry
What is the pressure of 495 mL of oxygen gas at 30.5°C and 710. mm Hg if the conditions are adjusted to 310. mL and 80.5°C? Assume the amount of gas is held constant.
asked by Mary 
Chemistry
A 230. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 60.°C?
asked by Mary 
Literature
I was wondering if someone could help me find information on the short story "Died and Gone to Vegas" by Tim Gautreaux. I read the story but didn't understand it to well. I was just wondering what the theme is. I tried to look it up but I cannot find any
asked by Hannah 
6th grade math
Gene has less than 12 nickels,dimes,and quarters in his pocket.The probability of pulling out a nickel or a quarter is 3/4.The probabilty of pulling out a dime is 1/4.How many coins does Gene have in his pocket?How many of each does he have?
asked by mike T 
math
what is the surface area of a rm 12ft x 12ftx9ft
asked by Anonymous 
physics
An air compressor is a device that pumps air particles into a tank. A particular air compressor adds air particles to its tank until the particle density of the inside air is 40 times that of the outside air. If the temperature inside the tank is the same
asked by ann 
American Goverment
Which is the correct translation of de jure segregation?
asked by Anonymous 
social studies
Hi, I have a big debate tomorrow and I am going to be a cross examiner. I need arguments and ideas of what to say... the resolution is Gender Roles Are/Are Not Beneficial to Society. Thankyou!
asked by Anonymous 
math
Please help solve the below problem Show work please! Thanks. On Dec 28,2007,you could buy a 10year U.S.Treasury note(a kind of bond)for $10,000 that pays 4.21% simple interet every year through Dec 28,2017.How much total interest would it earn by then?
asked by MIKE. 
Math III
1. Traci purchases a car for $16,000. If its depreciates by 12% per year, what will be the car's value in 5 years? 2. The population of flies in Mr. Bunn's classroom doubles every 5 days. If there where 10 flies on the first day of school, when will the
asked by Bianna 
Child Development
A good technique to prevent children from talking to you while you're observing them is to what? 1. Avoid eye contact 2. Sit far away 3. Stand to one side Which one is correct?? ( i think its one of the first two im not sure)
asked by Brooke 
Leadership
I can't think of a time when an ordinary person has made a difference in somebody's life.
asked by Alex L. 
algebra
How many different seven digit phone numbers are available if the only restriction is that the first digit cannot be 0.
asked by Matt 
English
Which of the fllowing is CORRECT? A. She sings bad. B. He runs a well race. C. They won with a lucky shot. D. all of the above
asked by robin 
Chemistry
time(s) 30 60 120 180 240 300 420 480 t(*c) 13.8 13.8 13.9 13.1 14.2 14.3 14.5 14.7 14.8 b. if t1= 24.5*c, T2= 1.5*C, tr= 23.6*c, and with the tf obtained from the plot, determine Ccal, in J/*C, if the procedure descrived in the laboratory is followed.
asked by Daniel Medaris 
math
a triangle with a side of length 2/7 units and side of length 15/28 units
asked by michelle 
Chem
For a solution that is 0.280 M HC3H5O2 (propanoic acid Ka=1.3*10^5) and 0.0894 M HI, calculate the following. Concentration of H30, OH, C3H5O2, I
asked by Joe 
physics
You observe someone pulling a block of mass 48 kg across a lowfriction surface. While they pull a distance of 3.0 m in the direction of motion, the speed of the block changes from 4.9 m/s to 7.7 m/s. Calculate the magnitude of the force exerted by the
asked by Amelie 
SAT
DOES ANYONE KNOW A WEBSITE THAT PROVIDES A FULL PRATICE TEST OF SAT AND GIVES YOU SCORE NEXT PS : OTHER THAN COLLEGEBOARD..
asked by Anonymous 
Algebra
What is the remainder when 13 to the 51st power is divided by 5?
asked by Cam 
English
I urgently need you to revise these sentences. I thank you very much for your help 1) They prophesy that Banquo will be father to a line of kings. The witches also tell him that no man born of woman can hurt him. 2) What does Shakespeare say (write) in the
asked by Mike1 
reading
working on a crosword puzzle it has 9 letter and the words given are watermark; paper;________;person help please
asked by John 
math
Gene has less 12 nickels,dimes,&quarters in his pocket.The probabilty of pulling out a nickel or quarter is 3/4.pulling out a dime is 1/4.How many coins does gene have in his pocket?.how many of each coin does he have?Please explain how you got the
asked by mike 
Net Ion Equation
How can you write a net ion equation and identify the conjugate acid/base pairs for these followings? KNO3 Na2HPO4 NH4Br
asked by Nicole 
9th grade English
I'm writing an essay about Mercutio's character and why friendship is so important to him in Romeo and Juliet. I have a good complex thesis but I'm having trouble structuring it. Thesis: Mercutio is extremely close with Romeo and cares very deeply about
asked by Aria 
English
Which of the following sentences is in the passive voice? A. I just don't see the point. B. I want my MTV. C. A whole case of beer gets drunk every Satyrday night. D. Please don't tell me I missed it. I think its D
asked by robin 
chemistry
Its 5:23pm Ive just checked to see if I've gotten a response,looks like mine has been skipped over. I see questions that were asked after mine and the one right before mine. I never got an answer. What's up?!
asked by Connie 
math
can you explain to me how I would use Quadratic equations in everyday life
asked by patiance 
French for Sydney
I had to go way back to a site I used to recommend when I tutored for AOL. I am glad it is still there and you might find it very handy: http://www.utm.edu/staff/globeg/gramm.shtml I also had a site where I put a lot of review things but I lost that with
asked by SraJMcGin 
algebra
what is the effect on the graph of the equation 6x+3y=12 if 12 is changed to 36?
asked by payton 
APUSH
The U.N. Resolution 1441 authorized what?
asked by Meghan 
geometry
how many feet up the wall of the building is the other end of the ladder?
asked by cashawn 
American History
This is what my teacher wrote up on the board today and i was needing some help with it i don't really understand it all... This is exactly what he wrote: In a pagelong essay describe how we got Texas Include: Stephen Austin, Zachary Taylor, Manifest
asked by Caitlin 
Physics
How many slices of pizza must you eat to walk for 1.0 h at a speed of 5.0 km/h? (Assume your mass is 68 kg). Our book provides: One slice of pizza's energy content is 300 cal, or 1260 KJ. To walk at 5 km/h= 380 W of a 68 kg individual. Thanks!!!
asked by Kirsten 
chemistry
An unknown was prepared with the concentration of 0.000630 M. A Beer's Law plot was prepared using the absorbance values from standard solutions of ASA and a line drawn through all the points passed through the origin with a slope of 1550.2 M–1 . The
asked by ChemLover 
English
1. I like clothes made by Italian designers. 2. I like clothes which were made by Italian designers. 3. I like clothes which are made by Italian designers. (Does #1 mean #2 or #3? Which ones are missing?)
asked by rfvv 
geometry asap
I put ^ next to the answer i put. can you tell me if im correct or not. and if not can you correct it for me and tell me what i did wrong? 1. The length of a rectangle is 6 1/2 inches and the width is 3 3/4 inches. What is the ratio, using whole numbers,
asked by Jesicca 
Algebra 1
How do you graph the function: y = 6x(squared)  12x + 1 Then, how would you find the Axis of Symmetry and the Vertex? Any help is greatly appreciated
asked by Ben 
American History
I need asap homework help
asked by Sylvia 
Math. Help me please!
The two circles have equations x^ + (y3)^2 = 49 and x^2 + (y17)^2 =49. find the equation of the larger circle. The diagram looks like two circles on top of the other then a large circle outside.
asked by Bianca 
math
For 6z=126 mike wrote that z=756 explain what mikes mistake was then tell the cor4rect answer.
asked by Kayla 
Comp
What is sentence variety and rhythm in composition writing and how do they interact in effective writing?
asked by Loiuse 
Physics
Fresh snow is about onetenth as dense as liquid water. How much latent heat is released in storm clouds per square kilometer of surface area by the freezing of water droplets if the storm deposits a 30cmdeep layer of fresh snow? Q = LfM where the mass
asked by Dan 
trig
A rocket tracking station has two telescopes A and B placed 1.9 miles apart. The telescopes lock onto a rocket and transmit their anlges of elevation to a computer after a rocket launch. what is the distance to the rocket
asked by mikey 
English
1. My favorite is music (which was/which is) written by Mozart. 2. I am reading a book (which was /which is) written by Hemingway. (which one is right in the parentheses?) 3. After use, just take them off and wash the fat away. (What is the meaing of
asked by rfvv 
social studies
Which is a valid conclusion that can be drawn from the information in the chart?
asked by cici 
math
Plywood is sold in rectangle sheets 4 feet wide and 8 feet long. How many 4x8 sheets of plywood are needed to completely cover a rectangle shaped floor measuring 16 feet by 12 feet
asked by dexter 
marketing
Is there any difference between a brand name and trademark? If so, why is this difference important?
asked by ak 
marketing
Explain the importance of an organized newproduct development process and illustrate how it might be used for. a. A new care product b. A new children’s toy and c. A new subscribersonly cable television channel
asked by ak 
business math
carol miller went to europe and forgot to pay her 4740 mortgage payment on her new hampshire house,. for her 59 days overdue on her paymen. the bank charged her a penalty of $15 assume 360 days. what was the rate of interest charged by the bank?
asked by dee 
childcare
Children develop to their potential when caregivers have A. realistic expectations. B. strong values. C. a philosophy. D. regulations. i got a
asked by brandy 
trig
A rocket tracking station has two telescopes A and B placed 1.9 miles apart. The telescopes lock onto a rocket and transmit their anlges of elevation to a computer after a rocket launch. what is the distance to the rocket
asked by mikey 
physics
An airplane flies 200 km due west from city A to city B and then 245 km in the direction of 36.0° north of west from city B to city C. (a) In straightline distance, how far is city C from city A?
asked by Anonymous 
childcare
When preparing an environment for schoolaged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually
asked by brandy 
Physics
Microwaves of wavelength 4.50 cm enter a long, narrow window in a building that is otherwise essentially opaque to the incoming waves. If the window is 36.5 cm wide, what is the distance from the central maximum to the firstorder minimum along a wall 6.70
asked by Stefan 
Modern History
Hi Guys! Okay sweet, here goes. I'm supposed to be keeping a research journal of my research. In it I like examine my research and process. I've already done my Hypothesis. Under the topic of INITIAL THOUGHTS AND IDEAS I outlined why I chose the topic,
asked by Tasha 
biology
I want to imaging collagen and elastin in porcine heart tissue without staining using a confocal microscopy. So far most of the articles that I found are using staining to differentiate the two, is anyone familiar with the microscopy method
asked by tech 
College Physics
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.90 m long conducting wire. A charge of 65.0 µC is placed on one of the conductors. Assume the surface distribution of charge on each sphere is uniform. Determine
asked by Marie 
Math
Triangle LMN hes vertices at L(4,3), M(2,5), and N(13,10). If the distance from point P(x,2) to L equals the distance from P to M, what is the value of x? Could you be so nice and help me please. I tried so hard but I couldn't find the same solution
asked by Gabi 
Math
solve the equation sin(3x) + (1/2) = 2cos^2(x) for X to be between 0 and 360
asked by sahmit 
business math
carol miller went to europe and forgot to pay her $740 mortgage payment on her new hampshire house. for her 59 days overdue on her payment, the bank charged her a penalty of $15 (assume 360 days) what was the rate of interest charged by the bank?
asked by deedee 
physics
a mass of density bottle is 20g,when empty,70g when full of water and 55g when full of a second liquid.calculate the density of the liquid
asked by frank 
Calculus (urgent!!)
A particle moves with its position given by x=cos(2t) and y=sin(t), where positions are given in feet from the origin and time t is in seconds. A)Find the speed of the particle. Speed = ____________ (include units) B)Find the first positive time when the
asked by Catherine 
English  Native speakers
Hello! What does toiletries mean? Is this stuff we use in our bathroom e.g. toothbrush, comb etc. or is this a perfume but with higher percentage of water?
asked by Mark 
math!
Frank had a pretest score of 6, what must his posttest score be for his percent of increase to be 50 percent?
asked by Sara 
business math
abe wolf brought a new kitchen set at sears. abe paid off the loan after 60 days with as interest of $9. if sears charges 8% interest. What dis abe pay for the kitchen set (assume 360 days)
asked by elijah 
AP CALCULUS!!! HELPP
related rates: the base of a pyramidshaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er
asked by Raven 
chemistry
how much heat is released when 5.60 moles of NaOH is dissolved in water?
asked by Samm 
child care
When preparing an environment for schoolaged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually
asked by ann 
English
I forgot to include the following sentences. Thank you. 1) The last theme concern the fundamental questions whether time is preordained or the result of human activity. 2) The three witches stand for evil and are linked to the theme of equivocation. 3)
asked by Mike1 
chemistry
I need help on a few of these. A. How many protons are in one atom of fluorine  19? B. How many neutrons are in one atom of potassium  39? C. How many electrons are in one neutral atom of V  51? D. What is the symbol for the element that has 78 protons?
asked by mary 
business math
margie pagano is buying a car. her june payment monthly interest at 13.2% was $208. what was margie principal balance at the beginning of june
asked by elijah 
chemistry
The solubility of Mg(OH)2 in a particular buffer solution is 0.66g/L . What must be the pH of the buffer solution?
asked by bitta 
Chemistry
Determine the pH of 263 ml of solution which has [NH 4I] = 0.300 M. Kb = 1.74 × 105 for NH3(aq)
asked by Cait 
smk n2
Tent. sudut yang lebih kecil dari perpotongan bidang 5x14y+2z8=0 dan 10x11y+2z+5=0 (tent sudut antara normalnormalnya)
asked by Dani 
English  Native speakers
Can we then say He may have come yesterday or just He might have come yesterday? Can we use may in the past tense or not?
asked by Mark 
chemistry
A solution is 2.0×10−2M in both chromate and sulfate anions and . To this solution, 0.55M Pb(NO)3 is slowly added. What is [Pb2+] at the point at which the second anion begins to precipitate (in M)? The second anion being the, sulfate anion.
asked by nahang 
Chemistry
How many moles are in 51 g of (NH4)2SO4
asked by Dee 
chem
how can you tell if two reactants will make a buffer?
asked by Rebekah 
half life
tritium has a half life of 24.3 years .a sample of 0.1 is produced . will tthe mass of tritium change after 24.3 years
asked by Anonymous 
MATH
On my homework it says write the ratios.Explain what your ratios show. Chocolate 6 vanilla 1 Strawberry 3
asked by nicole 
French  Exercise  Superlative
I have to do a writing prompt on Superlatives. And here's the instructions. Imagine that you are one of the animals in the Zoo in Paris. Give your name, age, and tell where you live. Describe some of your favourite animal friends at the Zoo  Saying who's
asked by Sydney 
GENERAL ISLAMIC
A wife has applied farsakh in the syariah court. Then later she moved out of the home. The husband, a practicing Islamic worker disagrees with the wife’s action and accused her wife of nusyuz. He said the wife is just being intolerant and having negative
asked by ASMA' 
math/115
evaluate 618 please help me, I just don't get it
asked by stephanie 
English
Do you want to lose weight? Just wear FatSox. These special socks will suck the fat out of your feet as they sweat. After use, just take them off and wash the fat away. It's simple and easy. (In this passage, what does "It" refer to in the last sentence?)
asked by rfvv 
Social Sciences
I am writing a paper about a new amendment proposal to the Bill of Rights proclaiming that people should be able to marry who they want (same sex or not). I need an opening statement that declares the amendment in congressional form and is a paragraph
asked by Francis 
math
Triangle LMN hes vertices at L(4,3), M(2,5), and N(13,10). If the distance from point P(x,2) to L equals the distance from P to M, what is the value of x?
asked by Gabi 
Physics pls help
A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^7 and
asked by cr 
business math
lane french had a bad credit rating and went to a local cash center. he took out a $119 loan payable in five weeks at $129. what is the percent of interest paid on this loan?
asked by elijah 
Math
The top of a table is in the shape.of a regulations pentagon. The wood should measure 1 1/2 feet on each side. What is the perimeter of the piece of wood?
asked by Anonymous 
Chemistry
How much heat is emitted when 4.55 of water condenses at 25 ? The heat of vaporization of water at 25 is 44.0 .
asked by Tany 
Chemistry
Use the equation to determine what volume of nitrous oxide can be produced from the decomposition of o.55 moles of ammonium nitrate useing the equation: NH4NO3 (s)> N2O (g) + 2H2O (g)
asked by Jane 
Physics  pls help
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a battery with electric potential V as shown in the figure. A magnetic field ~B is now imposed. The acceleration of gravity is 9.8
asked by cr 
algebra
Make up a word problem that uses a quadratic function and requires finding either a maxiumum or minimum value.?
asked by Joseph 
Calculus (please help!!!!)
Consider the parameterization of the unit circle given by x=cos(4t^2−t), y=sin(4t^2−t) for t in (−InF, INF). Describe in words and sketch how the circle is traced out, and use this to answer the following questions. (a) When is the parameterization
asked by Catherine 
Japanese
How do I say: 1. I wake up at 6:00 2. I eat breakfast at 6:30 3. I go to school at 8:15 4. I use a car 5. I have lunch at 1:05 6. I do homework after school 7. I have dinner at 6:30 8. I watch Biggest Loser before bed 9. I go to sleep at 8:30
asked by Caity 
Math
compound and interest Using the below values please calculate the amount accumulated (future value) *Initial principal=$2000 *Interest Rate=9% *Number of years 7 *Monthly compounding
asked by John 
chemistry
How much energy is needed to raise 20.0g H2O from 10.0oC to 75.0oC. The specific heat of water is 4.18 J/gC.
asked by Qrishaa 
Chemistry
Determine the pH of 263 ml of solution which has [NH 4I] = 0.300 M. Kb = 1.74 × 105 for NH3(aq)
asked by Cait 
chemistry
Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no longlived radioactive byproducts. The Sun is a nuclear
asked by Grace 
world history
how did alfred the great secure his modern reputation as a state builder?
asked by geri 
math
For the given linear prgramming problem, write down the objective function and the constraints. Kris is trying to make his business more efficient by having a system of both large and small vans. He can spend no more than $100,000 for both type of vans and
asked by fakaapo 
Pre calculus
bit strings of a fixed length are needed to form a code. what is the minimum length of the string is one string is needed to represent each letter of the alphabet and each decimal digit?
asked by Lisa 
physics
While watching ocean waves at the dock of the bay, Otis notices that 13 waves pass beneath him in 32 seconds. He also notices that the crests of successive waves exactly coincide with the posts that are 7 meters apart. What are the period, frequency,
asked by anna 
Chemistry
describe an experimental design that you might use to determine the effect of temperature on reaction rate.
asked by Anjan 
finance
Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5%.
asked by rebecca 
mathProbablity
Hi, just a few stupid questions about probability. 1. How many different license plates can there be if there is a total of 7 letters (no numbers) (and I'm assuming this has a something to do with permutation. 2. How many different batting line ups can be
asked by Connor 
Math
A choir has 6,000 cans and the recycling center offers $2 for 500 cans. How much will the choir earn?
asked by Haiile 
Bus 303
. List one external factor that you feel has a powerful influence on your company's HRM function and explain why.
asked by Anonymous 
statistics ***pls help!
for each of the following, assume the 2 samples are selected from populations with equal means and calculate how much difference should be expected, on average, between the 2 sample means. a)each sample has n = 5 scores with s^2 = 38 for the first sample,
asked by jerr ****** 
chemistry
why solution always prepared in HCl and not in HNO3 ?????????
asked by hira 
Law
What do you think the right to a fair and impartial jury as mentioned in the Sixth Amendment entails? Do you believe it means having a jury consisting of diverse members? Or, do you believe it means a jury with members similar (in terms of occupation and
asked by Lisa 
First and second person pronouns
I need some advice. I am terrible about using first and second person pronouns. I know in is not proper in academic writing, although I still have a tendency to overuse them. (Bad Habit) When proofreading my paper, and I see that I have done it again, what
asked by Jim 
Physics
A child in a boat throws a 5.40 kg package out horizontally with a speed of 10.0 m/s, Fig. 731. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25.0 kg and that of the boat is 40.0 kg.
asked by Brittney