Questions Asked on
January 25, 2010

chemistry
a typical backyard swimming pool holds 150 yd^3 of water. what is the mass in pounds of the water?

college chem
A 1.10g sample contains only glucose and sucrose . When the sample is dissolved in water to a total solution volume of 25.0ML , the osmotic pressure of the solution is 3.78atm at 298K a.What is the percent by mass of glucose in the sample? b.What is the

chemistry
Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of sodium ions in water does not cause the white, scaly residues caused by calcium ions. However, calcium is more beneficial to

physics
Point charge 2.5 is located at x = 0, y = 0.30 , point charge 2.5 is located at x = 0 and y = 0.30 . What are (a)the magnitude and (b)direction of the total electric force that these charges exert on a third point charge = 5.0 at x = 0.40 , y = 0?

high school
in an inverse relationship, when one variable _______, the other increases. A. is not affected B. stays the same C. increases D. decreases

vocab.
Is this correct? The word "pen" comes from the Latin word "pinna" which means a feather (as they use to write with) with ink. This is my short essay on a word.

physics
Two very large parallel sheets are 5.00 cm apart. Sheet A carries a uniform surface charge density of 9.00 microcoulombs per meter squared, and sheet B, which is to the right of A, carries a uniform charge of 11.6 microcoulombs per meter squared. Assume

MATH
Tara says that 1/2 of a salad is always the same amount. Lynn says that it could be different amounts, depending on how large the salad is. Who is correct? Why?

math i need help please
solve the equation 13a=65 a.845 b.30 c.5 d.15

english 10
Source text: From the sketch here given it will be seen, that our good grandmothers differed considerably in their ideas of a fine figure, from their scantily dressed descendants of the present day. A fine lady, in those times, waddled under more clothes

chemistry
How much energy (in kilojoules) is released when 12.3g of steam at 121.5degree C is condensed to give liquid water at 64.5 degree C? The heat of vaporization of liquid water is 40.67 kj/mol, and the molar heat capacity is 75.3 J/(K mol) for the liquid and

4th grade
A 200300 word essay on cabeza de vaca

Finance
the problem in stretching out the maturity of marketable securities is?

French/Sra
You decide to enter a contest for a shopping spree at your favourite clothing store. Write a paragraph describing what new clothes you need for summer and why you need them. Include the color of 5 articles of clothing that you would like and what

Accounting
Which one of the following transactions does not affect cash?

Geometry
In a right prism whose bases are regular hexagons what is the measure of the dihedral angle between adjacent lateral faces?

math
A hill is inclined at 18 degrees to the horizontal. If the base of the hill is at sea level, find my height above sea level if i walk 1.2 km up the hill

geography
compare latin america's landmass and population to those of the united states. Based on that data, how might the overall population densities of the two compare?

chem
Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.2L of water upon warming from 25C to 50C . Assume that the water is initially saturated with nitrogen and oxygen gas at

chemistry
A solution containing 26.05 mg of an unknown protein per 23.5 mL solution was found to have an osmotic pressure of 3.75 torr at 44 C.

algebra
Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method? Consider responding to your

math
what is the answer to sin 67=cos

12th grade
The three fifths compromise and the commerceand slave trade compromise were included in the constitution at the insistence of the southern states. Why did states in the south think these items were important and what price, if any, did southern states pay

chemistry
If you have a 8M solution of H2SO4 how do you produce 105 ml of .25 M solution?

science
calculate the force it would take to accelerate a 650kg vehicle at a rate of 3 m/s2.

maths
what is a third of the product of six and twelve

Finance
Suppose you shortsell 100 shares of a stock at $55 with a commission charge of 0.5%. You also payu commission charge for purchasing the stock to cover the shortsale. What is your profit if you close the shortsale at $54?

accounting
Suppose the hospital pays out $300,000 in dividends. A stockholder receives $10,000. If the stockholder's tax rate on dividends is 15 percent, what is the aftertax dividend?

9th grade
what is the formal and functional regions of seattle washington and Las Vegas Nevada?

math
How many different ways can u make change for 75 cents using quarters, nickels and dimes?

Physics
The general relationship of oscillation T of a mass m suspended on a spring is T=2(pie)square root of m/k, where k is the spring constant. how would i change this equation into a straight line equation to graph?

Accounting
George and Margaret Wealthy are in the 48 percent tax bracket, considering both federal and state personal taxes. Norman Briggs, the CEO of Community General Hospital, has been aggressively pursuing the couple to contribute $500,000 to the hospital's soon

science
how can you make a more dense object float on a less dense liquid

Business
What are Technology Project Development Methodologies

math
If a right triangle has a base of 4 inches and a height of 3 inches, make an equivilant triangle with a base of 17 inches. Can someone explain how to figure this answer?

french
Pouvezvous me tansformer le mot gratÃ©sinoge en un vrai mot franÃ§ais?

math
drawing a red checker from bag of 9 black checksrs and 6 red checkers, replacing it and drawing another red checker

5th grade
what do moms use to read?

math
In what proportion should 95% alcohol be mixed with 30% alcohol to make 70% alcohol?

History
All of the following were reasons for the failure of the People's (Populist) party EXCEPT a.the radical nature of its program alienated non farming interests b.racism strained the coalition of poor White and Black farmers c.the Democratic party coopted

English!
if i state that France has a population of 64.1 million do i have to cite this? :S

math
EXPLAIN WHY IT IS NECESSARY TO RENAME 4 1FORTH IF YOU SUBTRACT 3 FOURTH

Physics
A skydiver, who weighs 682 N, is falling at a constant speed with his parachute open. Consider the apparatus that connects the parachute to the skydiver to be part of the parachute. The parachute pulls upward with a force of 669 N. (a) What is the force of

Physics
A block of mass m1 = 4.1 kg rests on a frictionless horizontal surface. A second block of mass m2 = 1.7 kg hangs from an ideal cord of negligible mass that runs over an ideal pulley and then is connected to the first block. The blocks are released from

chemistry
can you check my answers(has star next to it) 1. Absolute zero is when T = 0 K. A. true* B. false 2. Molecular motion is neglibible at absolute zero. A. true* B. false 3. Absolute zero is the temperature when P = 0. A. true* B. false 4. Absolute zero is

Science
What is the magnitude of the charge on two identical spheres that exert a force of 0.300 N when 75.0 apart?

biology
is the overall charge of glu (glutamate) at a pH of 4.3 0? I thought it would be since there is a (+) charge on the NH3, counteracted by the negative charge on the COO() group.

chemistry
please help!!! im confused... can you explain to me how period and group trends in atomic radii are related to electron configuration? is it because as you move down the table the atomic radius increases and as you move across the table from left to right,

math
4m+9+5m12= 42 my question is how to get m=5 (the answer) can u show me the steps to do this problem right please because i keep getting 6 ?

health and diseases
I need a little help with an analogy for Nephrogenic diabetes insipidus. I'm not sure excatly how to make an analogy for that. i don't know what to compare Nephrogenic diabetes insipidus to. please help

math
there are fewer than 6 dozen eggs in a basket. if i cout them by 2s, there is obne left over. if i count by 3s, there are 2 left over. three are left if i count them by 4s. four are left if i count by 5s. how many eggs are there

Science
A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90,000

fifth frade fractions
Two numbers have a product of 3 1/5 and a sum of 3 3/5. one of the numbers is a whole number. What are the numbers?

algebra
5/43i

Physics 11
If the length of a guitar string is 90 cm, and the speed of sound is 343 m/s that day, what is the 3 rd fundamental frequency of the guitar?

math
is the fraction (1/5) the same as 1/5 or the same as 1/5. thank you.

Science
A plant produced 200,000 spores and onethird as many eggs. How many eggs did the plant produce? Thanks

poetry
what is the rhyming pattern in the poem The road not taken, written by Robert Frost TWO ROADS DIVERGED IN AYELLOW WOOD, And soory I could not travel both, And be one traveller ,iong I stood and looked down one as far as I could To where it bent in the

Physics 11
If the length of a guitar string is 90 cm, and the speed of sound is 343 m/s that day, what is the 3 rd fundamental frequency of the guitar?

Math
If 11/16 of the business come from delivery and 1/5 come from customer in store purchases what percentage come from catering

Physics
As a result of doing work, a person supplies a machine with 1100 J of energy in 12 seconds. The machine in turn does work and delivers 900 J of energy in 14 seconds to some object. What is the efficiency of this machine?

math i need help please
5m229if m=2 a)9 b)+9 c)54 d)54

9th grade Math
I need help in creating 3 Math problems that has to do with Baseball. Does anyone know how to or websites to help me...

5th Grade Math
I have bases with more than 4 sides each. I have 5 faces. What am I? My answer is pentagonal prism. Is that correct? Please advise. Thank you

choir
HELP I have singing auditions on Thursday. I need a challenging song that will knock the judges socks off!

Math
How are the symbols 3/4, 0.75, and 75% related?

Government
In a democracy, those who are accountable to the people for what is done in their name. Which form of government, presidential or parliamentary, comes closer to this idela? why?

space
help what is the Kuiper belt

algebra
I am not sure how to solve this equation 49xy=558

Physics
A 10 N toy rocket is fired straight up [KE= 40 J]. At the very top of its trip, the total mechanical energy= 140 J. What was the final maximum height reached? When I tried to solve the problem, I got 10 m for the answer. Can anyone tell me whether or not

algebra
use the substitution method 5x+4y=8 x=84y How do you do this?

human services
what are three most important factors affecting organizational structure?

health
A healthful diet and regular exercise not only improves health, but lowers health care costs.

4th grade math
REASONING Tara says that 1/2 of a salad is always the same amount. Lynn says that it could be different amounts, depending on how large the salad is. Who is correct and why?

Humanities.
Search for F. Scott Fitzgerald, The Great Gatsby and read a sample chapter. Share your impressions of the chapter, especially how it contributes to our discussion of the Humanities.

science
See i took this practice test and i got a lot wrong i need help its on nature of matter and i need help so my mom can get of my back help me please I'm desperate for help please i beg

algebra
I'm really confused on substitution. My teacher has a terrible accent and cannot understand what she says. i get the basics myself but i'm pretty confused on the following problems: 1) y= 3x  8 y= 4x 2) 2x + 7y = 3 x=1 4y 3) x = 2y 4x + 2y = 15 Any

7th grade science
1) what is the hard,strong layer of bone called? 2) what is the smooth flexable layer of tissue covering the ends of bones? 3) what kind of joints are found in the skull and pelvis? 4) what type of muscles make up the majority of muscles in your body? (no

Health and Human Services
I am having problems looking for a definition of data relevancy and data accessibility related to the field of health care. Can someone help me find any information regarding these definitions.

math i need help please
solve the equation x+13=8 a.21 b.21 c.5 d.5

sensory process, BEH
what is the process of if someone was hitting a ball, and then watching the ball, and finally catching a ball.

3 rd grade math
Samantha says 1+1+1 =3 can not be writtin as a muliplication sentence because there are no equal groups. do you agree? explian? I don't understand and my son did not bring his book home! Can u help please? Thank you

chemistry
How do the lewis structure and the positions of valence electrons affect the shape of the covalent compound? This is something for my lab

math i need help please
solve equation w/9=9 A)1 b)1 c)81 d)81

Philosophy
HOW ARE PRAGMATISM AND ANALYTIC PHILOSOPHY UNIQUELY AMERICAN MOVEMENTS? AND WHAT ARE SOME IDEAS THAT MAKE THEM DIFFERENT FROM THE WAY EUROPEANS OF THE SAME PERIOD WERE THINKING?

Accounting
John Doe is in the 40 percent personal tax bracket. He is considering investing in HCA bonds that carry a 12 percent interest rate. a. What is his aftertax yield(interest rate) on the bonds? b.Suppose Twin Cities Memorial Hospital has issued taxexempt

science
what are all of the formulas for physical science?

Accounting
Jane Smith currently holds taxexempt bonds of Good Samaritan Healthcare that pay 7 percent interest. She is in the 49 percent tax bracket. Her broker wants her to buy some Beverly Enterprises taxable bonds that will be issued next week. With all else the

geometry
diameter 11cm

amrican history
what were the factors that led to world war 1

English
As agreed, I'm posting you the paragraphs for correction. Thank you in advance for your invaluable help. 1) During a bike competition the biker who was going to cross the finishing line wanted to cheer his supporters and took both his hands off the

Physics
physics  drwls, Sunday, January 24, 2010 at 2:50am Compute the angle of the strings from vertical. It is sin^1 (8.5/40) Call this angle A If the string tension is T T sin A = F (the Coulomb force) T cos A = M g tan A = F/Mg You need to say what the units

pre calc
find delta in each of the following case: tan delta=0.75

Algebra 2
2. Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $2,500 for setup costs and $3.00 to administer each test. a. Write an expression that gives the total cost to test x

8th grade
Hey In Science were are learning about speed and motion and our teacher gave us the assignment to make a speed acrostic. Can I Get Some HELP?

Algebra 2
How do i put +/ in the y= part in a graphing calculator?

biology
Compare the chemical composition of the contents of the stomach one hour after eating a meal containing proteins, carbohydrates, and fats, to the contents of the small intestine several hours later.

algebra
A cashier earn $x for an 8hour day. Write an algebraic expression in terms of x for the cashier's a) hourly pay B) weekly pay for a 5 day week c) yearly pay for year of 52 weeks

psychology of health
Has specialized medicine made a positive impact on the quality of patient health care delivery?

Math 111
Suppose you have a job that requires that you work at least 25 hours but no more than 40 hours per week. Write an inequality, using t, that gives the number of hours you work each week.

Math
I can't figure out 6  2/3r = 1 1/2 The way we're learning how to solve it, is by using the LCD. the LCD I use is 6 The book says the answer is 6 3/4 But I keep getting the wrong answer.

algebra
who do i solve this equation 49xy=558

world history
How geography features did helped civilization grow in Nubia?

Principles of Management
The criteria for corporate social responsibility suggest that economic responsibilities are of the greatest magnitude, followed by legal, ethical, and discretionary responsibilities. Do you agree? Why or why not? Remember to support your position.

math
How do you build an array for 4x7?

HISTORY
how might the end of world war I influence social, political, and economic changes

franÃ§ais
Qu'estce que gratÃ©sinogÃ©?

S.S
what is the renaissance? No links please

HISTORY
I cannot find information on the emergence of mass society, mass media and how celebrity influenced change? Changes in the 1920's create a clash of values btw. modernists and traditionalists? how traditionalists fight back against the age of modernism and

L.A
How do I improve my hooks when writing an essay? Also, how should my last paragraph be and what should it end with? Thanks

Calculus
A trucker handed in a ticket at a toll booth showing that in 2 h she had covered 159 mi on a toll road with speed limit 65 mph. The trucker was cited for speeding. Why?

science
if more than half of the ppl of 293,027,571 live within 80km of an ocean how many peoplelivethatdistanc

math
How many mls of a syrup containing 85% of sucrose should be mixed with 150ml of a 60% sucrose syrup to make a syrup conatining 80% sucrose?

Physics  Frequency
While blowing its horn of frequency 580 Hz, a car accelerates at 0.4 m/s2. The car starts from rest by your side and moves away. How long will it take for the frequency you hear to decrease by 5%? Hint: Do not forget to include the time it will take for

math
A phsician orders 750mg of chloramphenicol to be added to a 100ml bag os NS. if the drug is reconstituted to 1gm/10ml, how many mls will be added to the NS?

Biology
Need help with these two: PLEASE help me; this is like the 4th time I'm posting this. 26. Why do plant cells contain both choroplasts and mitochondria? a. in the light, plants are photosynthetic autotrophs. In the dark, they are heterotrophs. b. if plants

math
Jacqueline was onethird as young as her grandmother 15 years ago. If the sum of their ages is 110, how old is Jacqueline's grandmother?

EA course
Can someone help me with this question please?? 10. When setting guidelines or rules for children and then enforcing them, the best advice is to A. have several discipline measures in mind for consequences of misbehavior. B. have children help determine

S.S
I want some info on American Revolution, just little bit, No links please

world history
what is the middle class

Philosophy
Is this argument valid or invalid? If invalid, describe a possible situation where all of its premises are true and its conclusion is false. Lori is unhappy with some people who did not write thank you notes. Lori will send presents next year to everyone

pre calc
express the followinf trig functions in terms of an acute angle. (a) cos 143 degrees (b) tan 192 degrees

math i need help please
solve the equation b/215=16 a.62 b.15 c.1/2 d.2

english
what is a good thesis statement for the topic: "Schools helping to stop global warming" The broader topic was: "What can schools do to help stop global warming" Please help Thank you

math
if you had to round the number 24,042 to the nearest 1,000 what would it be

5th grademath
is every polygon with three sides a triangle? why or why not?

7th grade
At a party, there were 105 handshakes. If each person shook hands exactly once with every other person, how many people were at the party?

communication
3 ways on how language construct social reality

7th grade science
what type of muscles make up the majority of mucsles in your body ? (please no websites only answers)

vocabulary
Doesn't the word 'barber' only have one meaning?

calculus
Find the volume if the area between the curve y=lnx, x=1, and y=1 is rotated about the xaxis.

science
how can i create a drawing that demonstrates the energy transformations that would take place in order to provide power for an appliance

algebra
what is an equation of the line that passes through the point (4,6) and has a slope of 3? a) y=3x+6 b) y=3x6 c) y=3x+10 d) y=3x+14 i don't get this question at all.

chemistry
At what temperature (in degrees C) does acetone have Pvap= 102 mmHg?

chemistry
4FeCr2O4+ 8K2CO3+7O2= 2Fe2O3+8K2CrO4+8CO2 how many grams of FeCr2O3 are required to produce 44g of CO2?

french
what does le premier etage mean

7th grade science
define smooth muscles.

math
Can you check my work? (4+16) 20+7= The answer is either 7 or 7?

chemistry
What is the vapor pressure of CS2(in mmHg) at 18.5degree C? Carbon disulfide, CS2, has Pvap= 100mm at 5.1 degree C and change in Hvap = 28.0 kj/mol .

math
how do you solve that pair of simultaneous equation^2=4y x=y+3?

Pharmacy math
asprin tablets generally contain 235mg. How many tablets may be prepared from 5kg of asprin?

english
what are 3 ways that language construct social reality.? i want an answer, not a website. if u don't know it, don't answer

3rd grade
when i am rounded to the nearest ten, i am 30. The sum of my two digits is 5. What number am I?

English
Can you check my punctuation and the word choice? Thank you. 1) Coketown was a town of red brick blackened by industrial pollution. Actually, it was dominated by chimneys from which smoke coiled up like snakes. 2) Dickens uses two similes to describe its

Physics
Whila riding a bike, a rider exerts a fore of 540 N on the pedal, which when attatched to a sprocket creates a radius of rotation of 0.18 m. How much torque does the rider exert on the sprocket? I think I have to use the formula torque=rFsin(x) But I'm not

math
how do you solve that pair of simultaneous equation^2=4y x=y+3?

geography
how are the andes of south america similar in location to the rocky mts.?

math
how do you solve that pair of simultaneous equation^2=4y x=y+3?

math
express 3x^2+2x+1 in the form a(x+p)^2+q where a, p and q are real numbers

math
Ted put several different integers in order from least to greatest. He then put the same integers in order from greatest to least. Both times the same number was third in order. Explain how this is possible.

statistics
At Guadalajara Airport, passengers must claim their luggage and then proceed to Customs. In the Customs area, each passenger will press a button that activates a modified stoplight. This light has only red and green bulbs. If the green light shows, the

spelling
What is the correct analogie for these consonant Blend thr spr str scr for whirlwind breeze downpour...

religious studies
How can you reefine the word "Chakras"?

chemistry
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 152 cm and makes an angle of 125° with the positive x axis. The resultant displacement has a magnitude of 150 cm and is directed at an angle of 35.0°

math
I have three packages whose total weight is 60 kg. If the two heaviest packages weigh 50 kg together, and the two lightest weigh 25 kg together, what is the weight, in kg, of the heaviest package?

english
I am writing a five paragraph essay for my freshmen comp. class on the difference between High school and college. I don't know where to start, so far i have this as an introductory sentence. Can you please tell me what i should change, and help me on to

science
air pressure changes whats the effect of that

biology
Compare the chemical composition of the contents of the stomach one hour after eating a meal containing proteins, carbohydrates, and fats, to the contents of the small intestine several hours later.

Physics
Two 0.09g pith balls are suspended from the same point by threads 40cm long. (Pith is a light insulating material once used to make helmets worn in tropical climates.) When the balls are given equal charges, they come to rest 19 cm apart What is the

Math 111
Find the next two numbers in the geometric sequence 1,4,16...

6th Grade Math
3 5/8 times 4 1/2.

ScienceDrBob222Help
I’m sorry, that’s exactly the way the question is written! I was confused by it myself! I think it means: Suppose you are at a concert and a singer’s voice is radio broadcast all around the world before reaching the radio you hold to your ear. This

Math 117
it takes 4 hr for 8 cook to prepare a dinner. how long would it take for 7 cooks? inverse or direct variation?

Precalc
Solve these equations for x by factoring: 1) x(x4)=12 2) 2x^3+50x=20x^2 3) 2x^2+x6=0 Thank you for all your help!!!!

english
I am trying to find 3 poetic devices in the poem "The Road Not Taken" by Robert Frost. I think "to Where it bent in the undergrowth" is personification I think "Somewhere ages and ages hence" is figurative language and "then took the other, as just as

science
While riding a bike, a rider exerts a force of 540 N on the pedal, which when attatched to a sprocket creates a radius of rotation of 0.18 m. How much torque does the rider exert on the sprocket? I think I have to use the formula torque=rFsin(x) But I'm

Physics
Anyone can help me solve 2 of those problems A man lifts a box of books that weigh 185N. The box is lifted 0.80m. How much work does the student do on the box? A thermometer can measure temperature to the nearest enth of a degree. Which of the following

spelling
Is this correct spelling? Addicting.

Physics
A map of a burned area obtined from remote sensing contains 120 pixels. The remote sensing image shows that the fire is isolated to 73 of the 120 pixels. a) how many km^2 of forest does the image represent? b) how many km^2 of the forest is burned? c) how

Physics
Can a lamp with a broken light bulb produce electromagnetic radiation? and What happens when you have two colored lamps in a dark room. A red one on the left and a green one on the right, and you place your hand in the center of the 2! Would the shadows on

math
how to solve h/2=3/16

math
76+900= The answer is 901?

Algebra
Find the next two numbers in the geometric sequence: 1, 1/3, 1/9

Physics
Why use remote sensing for obtaining information about areas or objects?

math
Kara has a thousand marbles. Kara's brother and his 9 friends steal 5 marbles each. Kara's brother gets caught and gives his marbles back. How many marbles does Kara have now? Is it 1,060?

Physics
Why use remote sensing for obtaining information about areas or objects?

Algebra
Find the next two numbers in the geometric sequence: 28,14,7...

algebra
12u^2x^8z^7+15u^3x^8=

math
how do you find a vector perpendicular to the plane containing the given points? (0,2,2),(1,2,3),(4,0,1)

OPERATING SYSTEMS
A _________IS AN AREA OF HIGH SPEED MEMORY THAT SITS BETWEEN THE PROCESSER AND THE PRIMARY MEMORY.

English
Can you (Writeateacher) check the punctuation and word choice of my last three paragraphs please? Thank you in advance 1) Coketown was a town of red brick blackened by industrial pollution. Actually, it was dominated by chimneys from which smoke coiled up

spanish
what does Cuando es la fiesta de Arturo mean? and how do you answer it in a complete sentence.

Social Studies
One of the biggest reasons for the increased European agricultural production in the medieval period was? A) the introduction of a heavier plow. B) the official support of the serfs by the popes. C) the introduction of new crops from the Byzantine world.

Physics
A harmonic wave is traveling along a rope. It is observed that the oscillator that generates the wave completes 40.0 vibrations in 30.0 s. Also, a given maximum travels 425 cm along the rope in 10.0 s. What is the wavelength?

Social Studies
One of the biggest reasons for the increased European agricultural production in the medieval period was? A) the introduction of a heavier plow. B) the official support of the serfs by the popes. C) the introduction of new crops from the Byzantine world.

Science
I need to check my answers!! Which of these is not in the family a. sound b. light c. infrared radiation (answer) d. radio waves When an electric charge is shaken to and fro in quick succession, the vibrating charge emits a. infrasonic sound b. Ultrasonic

science
create a venendiagram of the properties of a solid liquid gas include chartericstics such as shape volume and particle motion can u explain it more to me i don't get it im only in 3 grade

social studies
I'm about to sign up for classes and am wondering...what are microeconomics and macroeconomics and what are the differences between the two?? THANKS!

Math
In the first sixteen terms of the Fibonacci sequence, which ones are even numbers?

math 116
You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in

math
a photo 5 inches wide and 7 inches long is enlarged. The sides of the new photo are in proportion to the original. The new photo is 14 inches wide. how do i find the length

Science
I needed help with this question. I’m not sure I got it quite right. Is it correct to say that in every case, without exception, any radio wave travels faster than any sound wave? ANSWER: Yes, it is correct to say because radio waves are electromagnetic

math
Use sets to verify that 8>6

algebra
Could someone please verify if this rational equation is undefined? I think that it is: w/2  2/w = 0

English
Contrat the reaction of Hamlet, Laertes to their father's death.

Science
I was so confused by this question!! Any advice?? Suppose at a concert a singer’s voice is a radio broadcast all the wave around the world before reaching the radio you hold to your ear. This takes 1/8 seconds. If you’re close, you her her voice in the

Physics
A 0.180 kg ball falls 2.5m. How much wordoes the force of gravity do on the ball? Do I multiply .180x2.5 to get .45J Thank you for your help

chemistry
1.Vapor pressure is the pressure exerted by a vapor when condensation A. < B. = C. > evaporation over its liquid in a closed system. 2.Evaporation is an A. endothermic B. exothermic process, because when a substance evaporates it must A. absorb B. release

hca 240
Write a 150 to 200word script for a radio ad that promotes a healthy musculoskeletal system in old age. Address the risk factors for arthritis, osteoporosis, and injuries from falls. Incorporate prevention strategies such as proper nutrition (calcium,

english
how about this for starters? The shift from being a high school student to a college student can be both pleasurable and discomforting at the same time for the simple fact that college is nothing like high school. In college there are no “boundaries”,

cultural diversity
to write a 75 to 100word response describing the role civil disobedience played in the Civil Rights Movement

physics
How would I graph a collision. i.e if I have a problem A 12,000 kg railroad car traveling at a speed of 19 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward? What would my x

science
what must be the density of an object with a mass of 5000 grams if the object is to float in water?

criminal justice
Strategy 2: Coordinating a Menagerie of Agencies appendix c

algebra
I would like to have some help on this problem please. I'm so post to find the vertex and axis of the parabola.Does anyone have an idea? Y=x²16x+63. A)vertex(8,1)axis=x=8 B)vertex(8,1)axis=x=8 C)vertex(8,1)axis=x=8 D)vertex(8,1)axis=x=8

algebra
factor 2581z^2

Chemistry
Raoult's Law and Ionic or Organic Solutions At 55.0 C, what is the vapor pressure of a solution prepared by dissolving 62.8 g of LiF in 247 g of water? The vapor pressure of water at 55.0 C is 118 mmHg. Assume complete dissociation of the solute.

Science
I need to check my answers!! Which of these is not in the family a. sound b. light c. infrared radiation (answer) d. radio waves When an electric charge is shaken to and fro in quick succession, the vibrating charge emits a. infrasonic sound b. Ultrasonic

chemistry
A solution containing 26.05 mg of an unknown protein per 23.5 mL solution was found to have an osmotic pressure of 3.75 torr at 44 C. What is the molar mass of the protein?

Strategies for revising a paper
What strategies do you use for revising a paper? How do you know when to accept feedback from another source? What makes feedback valuable to you?

geology
Can anyone explain how to draw a topographical profile to me. This is the question that is posted in our material. draw a topographic profile from coordinates F6.7 to H.510 on the Lakeside quadrangle. F6.7 H.510 FEET 4100

Class choices!!
What are macroeconomics and microeconomics and what is the difference between the two?! I am trying to decide which class to take.

5th grade fractions
Attendance at the Fireman's Ball has been declining. Each Year, the number attending is 2/3 of the previous year's attendance. In what year will the attendance be less than 1/3 the original attendance?

english standard
can someone help me with some analysis on Away by Michael Gow which relates to belonging?

L.A.
is this a good beginning?!??! The movie, "Swing Kids", is not a light hearted, family film, but rather one that provokes deep emotions and thoughtful thinking within the viewer. This movie contains interesting information that shows the viewer how

math
If you tend to be one of those people who taps their foot, picks their nails, drums their fingers, or moves around in their seat, there may be some good news. Although your fidgeting may be annoying to others, researches at the National Institute of Health

science
one way we know that food is spoiled is by tasting it.what other sense can help us identify spoiled food? how?

Physics
A surveyor measures the angle from his location to the top of cliff to be 51 degrees.If he is standing 100m from the base of the cliff, how high is it? Anyone have any idea how to do this porblem?

math
I need help with this problem. If someone can do it step by step that would be great. I can't get the problem correct? I keep getting 26. 3  1/8a = 1/4 the book says it's 22.

math
If painter A can paint a room in three hours by themselves, and painter B can paint the same room in four hours, and painter C can paint the same room in six hours, how long will it take for all three to paint the room together if they do not get in each

4th grade math
find the value of n. n / by 30 = 20

Physics
A barge with mass 1.7×105 kg is proceeding down river at 6.1 m/s in heavy fog when it collides broadside with a barge heading directly across the river. The second barge has mass 2.83×105 kg and was moving at 4.2 m/s. Immediately after impact, the second

English
Can you help me check the mistakes in the following paragraphs, please? 1) The biker who was in the first place was in a few metres from the arriving line but he put his hands in the air for cheering and he fell over because he lost control of the bike.

Communication Studies
Have the use of war metaphors gone too far? More specifically, does it matter? that is, do these metaphors really influence how people think and act about movies, sports, politics and "real" wars?

math i need help please
evaluate the expression 7d5cif d=7 and c=3 a)50 b)40 c)20 d)34

english
i still don't know a good thesis statement for: students helping to stop global warming at school (topic) please help what is your suggestion of a good thesis statement

nutrition
I am made from two substances that separately will kill. These same two substances combined will help preserve. What am I?

SciencePlz Help (I have a Test)
I need to check my answers!! Which of these is not in the family a. sound b. light c. infrared radiation (answer) d. radio waves When an electric charge is shaken to and fro in quick succession, the vibrating charge emits a. infrasonic sound b. Ultrasonic