Wednesday

September 17, 2014

September 17, 2014

Number of results: 55,651

**maths**

Compass bearings of a carin are taken from two points A and B, 400 m apart, along a strsight north-south path, A being due north of B. the bearings of the carin from A and B are 110 degrees and 80 degrees, respectively. choose the two options which give the distances from A ...
*May 12, 2007 by claire philips*

**algebra**

A boat is tied to a pier with a 25-foot rope so that the distance between the top of the pier and the top of the boat deck is 7 feet. If the water level hoes down 8 feet with the low tide , how much closer ( in feet) is the boat to the base of the pier? Assume the rope is ...
*December 2, 2012 by Alexius*

**math problem check**

would some one please see if I am correct with these problems 1.Add. write the answer in simpliest form. 3/11 + 9/11 + 1/11= 13/11= 1 1/2 2. Subtract write the answer in lowest term. 19/24 - 7/24= 12/24 = 1/2 3. Victor owned 9/10 of a family business he sold 2/5 of the ...
*January 6, 2007 by carrie*

**Geometry**

Can someone please check these for me. I have to leave answers in Pi. Find the Volume of a right cone with radius 6 height 10 V=1/3 pi r squared*h =1/3pi (6)^2(10) =1/3(360)pi =120pi Find the volume of a sphere with radius 3cm V=4/3 pi r^3 =4/3 pi3^3 =4/3(27)pi =36pi They ...
*July 9, 2007 by DANIELLE*

**Spanish**

Hi I have this nintendo ds game my spanish coach one of the games is fill int he blank but i think they might be wrong on one This is what was given, spanish and eng Usted __(to be filled in with "form va" they accept it is correct) a la derecha ena la esquina. but then they ...
*July 3, 2009 by Kim*

**Biology**

Are these correct? A. harvests energy from organic compounds= mitochondria B. makes proteins in both types of cells= ribosomes C. uses light energy to make food= chloroplasts D. outer support for plant cells= cell wall E. gives shape and protection to animals= cell membrane F...
*January 21, 2010 by mysterychicken*

**Grade 11th Physics**

A bus starts from rest and accelerates uniformly for 20 seconds to a speed of 18 km/h. It then moves with a uniform velocity and it is finally brought to rest in 100 meteres with a constant retardation. If the total distance travelled is 0.5km. Find the accelration, ...
*July 9, 2010 by Akash*

**physics**

is the following statements true or false + write a correct version of each false sentance below: 1. usually, the cooler a liquid or gas is, the denser it is. 2. if you only want a small volume of hot water, you should place the immersion heater near the bottom of the hot ...
*October 29, 2011 by lissa*

**Writing**

This isn't exactly a homework question, but it's something I've seen in books recently, and it's bothering me. The way I've been taught, it's grammatically incorrect, and my teacher agrees; however, she says she's been seeing it in a lot of recent books as well. This sentence...
*January 12, 2014 by Me*

**history **

1. What was described as the ' hardest work " slaves did ? ( 1point ) A. work in the rice fields B . Work in the tobacco fields C. Work in the lumber business D. Work loading and unloading ships in port 2. which of the follow best describes the social class of a small farmers...
*February 18, 2014 by crazygood *

**history **

1. What was described as the ' hardest work " slaves did ? ( 1point ) A. work in the rice fields B . Work in the tobacco fields C. Work in the lumber business D. Work loading and unloading ships in port 2. which of the follow best describes the social class of a small farmers...
*February 23, 2014 by lovey*

**physics help**

A ski gondola is connected to the top of a hill by a steel cable of length 680 m and diameter 1.7 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 15 s for the pulse to return. What ...
*April 27, 2010 by Anonymous*

**TI-83 CALC PROGRAM**

Please can anyone help me with this or any part of it? Be very grateful as left it too late... Write a program for ti-83 calculator which generates and displays integer values for A, B and C between 1 and 10; • requests the student to input the solution to the equation; • ...
*June 14, 2010 by Jo*

**Physics**

When light of a certain wavelength is incident normally on a certain diffraction grating the line of order 1 is at a diffraction angle of 25 degrees. The diffraction angle of the second order line is : a) 25 b) 42 c) 50 d) 58 e) 75 I am not sure how to do this problem since it...
*May 8, 2007 by Susan*

**English**

Could you please check if everything is correct? Thank you. 1) Thank you very much for having your students send email to their Italian partners. 2) Tomorrow I will distribute the emails to my students so that they can start the partnership. 3) Four more students would like to...
*March 22, 2012 by Matthew*

**English**

Can someone check my analogies and see if I did them wrong? Correct me if I'm wrong! 1. shrimp : crustacean :: A. motor: auto B. mustang : horse C. bull : ox D. squirrel : rodent I got D 2. glass : cinder block :: A. soft : hard B. fragile : breakable C. house : wall D. smooth...
*January 25, 2014 by Anonymous*

**Early Childhood Education**

Appropriate materials and equipment for outdoor play should contain which? 1. a lot of immovable parts 2. some loose parts 3. large,simple,steel units designed for a single purpose. 4. hard,strong surfaces for ground cover Shouldn't the materials and equipment contain a lot of...
*April 2, 2007 by Natasha*

**chemistry- DR BOB**

and we had to round this was the question was to again calculate the number of moles in each of the following masses a)64.1 g of aluminum b)28.1 g of silicon c)0.255 g of sulfur d)850.5 g of zinc a) 64/27 = 2.4 mols b) 28.1g/28=1.0 mol c) 0.255/32=.0080 d)850.5/65 =13.076. I ...
*February 20, 2008 by john*

**stats**

A company with a large fleet of cars found that the emissions systems of 18 out of the 65 randomly selected cars they tested failed to meet pollution control guidelines. Is this strong evidence that more than 20% of the fleet might be out of compliance? Test the appropriate ...
*May 11, 2011 by Erica*

**organic chemistry**

I need to design a method to separate a mixture of benzoic acid and caffeine based on the results of a solubility experiment I did and Im not sure where to start. Ok, I know that the caffeine acts as a base as it was soluble in HCL and the Benzoic acid is an acid as it was ...
*September 19, 2007 by AMY*

**calculus**

a 20 ft ladder is leaning against a wall. The bottom is being pulled out at a constant rate of 2.5 ft/sec. Will the top of the ladder clide sown thr wall at a constant rate? What will the rate be? In relation to time? It is not constant. Use pythagorus: x^2 + y^2 = l^2, where ...
*October 12, 2006 by Suzy*

**Calculus URGENT test tonight**

Integral of: __1__ (sqrt(x)+1)^2 dx The answer is: 2ln abs(1+sqrt(x)) + 2(1+sqrt(X))^-1 +c I have no clue why that is! Please help. I used substitution and made u= sqrt(x)+1 but i don't know what happened along the way! Your first step was a good one. next, let u = sqrt x + 1 ...
*April 20, 2007 by Gabriela*

**biology**

How does photosynthesis work? wikipedia has stuff type photosynthesis in google! or type this in google "how stuff works photosynthesis" Well,basically just go to google and search it up!LOL! Go fckin search it on google u lazy b!tches.
*November 5, 2006 by Erin*

**physics repost**

A car of mass 1330 kg is traveling at 28.0 m/s. The driver applies the brakes to bring the car to rest over a distance of 79.0 m. Calculate the retarding force acting on the car. same as before just posting again so you wont have to scroll. heres my work KE=1/2*m*v^2 KE=521360...
*April 16, 2008 by Anonymous*

**chemistry**

given 2CH3OH+3O2->2CO2+4H2O 1. Calculate number of grams of CH3OH required to react with 34.0L of O2 at STP. 2. How many liters of CO2 at 18 degrees Celcius and 6.94 atm are produced when 3.40 mol of CH3Oh is burned completely. 3. What volume of CO2 is produced if 7.11L of ...
*November 13, 2012 by sheila*

**chemistry**

I have to prepare a 0.2% water solution of n-propanol and a water solution of methanol and isopropanol at 0.2% that can be in the same container. It didn't specify but I'm pretty sure the solutions are v/v%. For the n-propanol a 0.2% solution should just be 2mg/mL of solution ...
*February 2, 2014 by making solutions*

**Trig**

A force of 323 newtons makes an angle of 54 degrees and 20 minutes with a second force. The resultant of the two forces makes an angle of 39 degrees forty minutes with the first force. Find the magnitude of the second force. I have the answer, 814.3022, but I need to know how ...
*October 19, 2010 by Brittany*

**Math**

1.A job hotline service charges $25 plus a 4% commission c on the first month of earnings if it finds work for a client. Write an equation that represents the total cost T to find a job through the hotline. What is the cost if a client earns $1500 the first month? ( Could ...
*November 20, 2010 by Shadow*

**Computers**

I tried to use Google Video Uploader. However, I was not able to log in. I entered my e-mail address and then I entered the pass word, but it didn't work. Many times I tried to log on, but failed. How can I use the Google video Uploader? Would you let me know that? How can I ...
*December 7, 2010 by rfvv*

**algebra**

Write the equation for this situation: the value, v, in hundreds of dollars, of Bob’s stamp collection is 12 dollars more than 1/3 of the age, t (in years). Then graph the equation and use the graph to determine the value of Bob’s coin collection if it is 9 years old. Please ...
*November 1, 2011 by Sharday*

**Grammar**

I'm describing the properties of a molecule, and I'm wondering if it's correct to say this - Physical properties: Fine, white, crystalline, powder OR should I remove the commas and write - Physical properties: Fine white crystalline powder
*November 30, 2008 by Lucy X*

**Algebra**

Please solve the inequality .04 x + .06(12000-x) >= 650 .04x + 720 - .06x ¡Ý 650 -.02x ¡Ý -70 x ¡Ý -70/-.02 x ¡Ý 3500 I think this is wrong and what is below is correct? Which is right? Thanks! .04x + 720 - .06x ¡Ý 650 -.02x ¡Ü -70 x ¡Ü -70/-.02 x ¡Ü 3500
*July 14, 2009 by Crystal*

**Please Help Anyone! :]**

____ kg = 440 g ((Help Please)) ____ kg 1,006,000 ((Help Please)) 8.6 kg = ____ g ((8600/0.0086??)) 800 g = ____ mg ((800.000??)) 1.7 kg = ____ ((1700/0.0017??)) ____ mg = 6.2 kg ((Help please)) (((((I understand it it's just I can't get a correct answer again.Can someone help...
*September 16, 2009 by Cheyenne*

**math-please check my answer!!**

5x-7y=-14 7y-5x=14 what is the solution of the system of equations? ANSWER IS B??? A) A point B)Infinitely many solutions C) no solution Is the system consistent ot inconsistent? ANSWER IS CONSISTENT Is the system dependent or independent? ANSWER IS DEPENDENT??? Are my answers...
*August 1, 2010 by Michelle*

**math**

ted wrote the following ruleand exspresion to represent the relationship between a and b in the input/output table input a 9 15 21 24 36 output b 7 9 11 12 16 what did ted forget to do when he wrote the rule and exspresion write the correct rule and exspresion
*January 11, 2011 by Anonymous*

**Chemistry **

What is the strongest intermolecular force exhibited in each? Covalent molecules, Ionic compounds, polar covalent molecules. This is my answer: Covalent: London forces Ionic: Ion-dipole Polar Covalent: Dipole- Dipole Is this correct?
*September 22, 2011 by Jessie *

**Algebra 1**

Which statement is always a correct conclusion about the values x and y in the function y=x-3? a. The value of x is always 3 less than the value of y b. The value of y is always less than the value of x c. When the value of x is positive, the value of y is also positive d. As ...
*November 9, 2013 by Jake*

**algebra**

Which of the following ordered pairs is included in the solution set of the system, y < 2 - 2x and y > 2x -3? (4, 0) (0, 0) No Solution (3, 4) 2. Choose all correct answers. Which of the following are solutions of the system? x < 3 and x + y < 5 (2, 2) (4, 2) (2, -...
*May 4, 2014 by Andrean*

**Calculus**

At a given moment, a plane passes directly above a radar station at an altitude of 7 miles. (a) If the plane's speed is 400 mph, how fast is the distance between the plane and the station changing half an hour later? (b) How fast is the distance between the plane and the ...
*November 4, 2012 by Anna*

**Math**

To open the chest of shells the souvenir merchant must enter a code. As his memory is poor, to remember the code he has filled in this speech bubble so that every statement is correct. What is the code? ? X number 1, ? X number 2, ? X number 3, ? X number 4. The multipliers ...
*August 16, 2012 by John*

**chemistry**

a galvanic cell: A copper electrode is placed in a Cu(NO3)2 electrolyte. An iron electrode is placed in a Fe(NO3)3 electrolyte. a) What will happen to the voltage if sodium sulfide solution was added to the copper solution(I found that CuS(solid precipitate) will be formed, ...
*February 21, 2010 by LALA*

**Physics**

Is this statement correct: When part of sound travelled through water, wavelength and speed of sound would change because since the particles are closer together in water than in air, the speed of sound would increase which in turn would decrease the wavelength according to ...
*March 8, 2009 by Lena*

**math**

in 1994 the life expectancy of malews in a certain country was 70.9 years. In 1998 it was 73.6 years. Let E represent the life expectancy in year t and let t represent the number of years since 1994 The linear functionE(t) that fits the data is E(t)= 80.6t+81.0 Use the ...
*June 30, 2009 by jason*

**Math**

Margarit liked to balance things. She balanced 3 pencil sharpeners and 2 one gram blocks witha 100 gram weight and another one gram block. She let x stand for teh weight of one pencil sharpener and she claimed that x=30 grams. Was she correct? If not, how much did each pencil ...
*October 11, 2010 by Colton*

**Calculus**

The altitude of a triangle is increasing at a rate of 3000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 9500 centimeters and the area is 87000...
*July 12, 2011 by Joe*

**calculus**

please anyone help me out Consider the following. Function Point f(x) = 5x^2 − 4, (3, 41) Find an equation of the tangent line to the function at the given point. y = Find the function values and the tangent line values at f(x + Δx) and y(x + Δx) for Δx...
*May 4, 2013 by justin*

**statistics**

The Sledge Tire and Rubber Company plans to warranty its new mountain bike tire for 12 months. However, before it does this, the company wants to be sure that the mean lifetime of the tires is at least 18 months under normal operations. It will put the warranty in place unless...
*March 12, 2012 by nouah*

**math**

a childs bank contains $6.30 in dimes and quarters. there are twice as many dimes as quarters. how many of each kind of coin are in the bank? let d = #dimes and q=#quarters. The total is worth $6.30. eqn 1 is 0.10*d + 0.25*q=$6.30 eqn 2 is 2*#quarters = #dimes or 2q=d. Two ...
*November 29, 2006 by katie*

**physics**

The force required to stretch a Hooke’s-law spring varies from 0 N to 62.4 N as we stretch the spring by moving one end 17.2 cm from its unstressed position. a) Find the force constant of the spring. Answer in units of N/m b) Find the work done in stretching the spring. Answer...
*October 12, 2011 by phys101!*

**Algebra**

The work and solution to: Stefan is bicycling on a bike trail at an average of 10 miles per hour. Erik starts bicycling on the same trail 30 minutes later at 16 miles per hour. How long will it take Erik to pass Stefan?
*May 29, 2013 by Michelle*

**Math**

Randi takes the stairs at work whenever possible instead of the elevator. She must climb up 51 steps from her office to get to the accounting department. The human resources department is 24 steps below her office. How many steps are there between human resources and ...
*September 10, 2013 by Jerald*

**science**

the question says assume the valencies of hydrogen, nitrogen and carbon in the compounds are 1, 3 and 4 from this i must draw a structural formulae for hydrogen cyanide and cyanogen that are consistant with these valencies. please help H : C::: N: Does that work? thanks but ...
*February 27, 2007 by Mark jones*

**Physics**

The problem goes like this... You are pushing a shopping cart at a constant speed. The handle makes an angle of 30.0 degrees with the horizontal and the friction in the cart has a coefficient of 0.400 to account for all the axles, etc. The mass of the cart is 45.0-kg and we ...
*December 22, 2010 by Fatima*

**physics**

Batman, whose mass is 119 kg, is holding on to the free end of a 14.6 m rope, the other end of which is fixed to a tree limb above. He is able to get the rope in motion as only Batman knows how, eventually getting it to swing enough that he can reach a ledge when the rope ...
*February 25, 2011 by ali*

**pre-calculus**

the spread of oil leaking from a tanker is in the shape of a circle. If the radius r (in feet) of the spread after t hours is r(t)= 200 square root of t, find the area A of the oil slick as a function of the time t. You know that the area of a circle is A=pi*r^2. You're told ...
*October 3, 2006 by Erica*

**Calculus**

A missile is rising vertically from a point on the ground 75,000 feet from a tracking station. The missile is rising at a rate of 16500 feet per minute at the instant when it is 38,000 feet high.What is the rate of change, in radians per minute, of the missile's angle of ...
*December 16, 2010 by Mika*

**Financial Accounting**

Prepare adjusting journal entries for the year ended December 31, 2011 for each of the independent situation in (a) to (f). Assume that prepaid expenses are initially recorded in asset accounts. Assume that fees collected in advance of work are initially recorded as ...
*July 25, 2010 by Prateek*

**Physics**

A)What is the equation for equivalent resistance for resistors wired in series? What about series wiring makes resistors in series add the way they do? B)What is the equation for capacitors wired in parallel? What about parallel wiring makes capacitors add the way they do? I ...
*July 27, 2012 by Luke*

**Stat Help**

A researcher wishes to be 95% confident that her estimate of the true proportion of individuals who travel overseas is within 4% if the true proportion. Find the sample necessary if in a prior study, a sample of 200 people showed that 40 traveled overseas last year. If no ...
*October 6, 2011 by Shannon *

**Physics**

A farmer drives a 0.100 kg iron spike with a 2.00 kg sledge hammer. The sledge hammer moves at a constant speed of 3.99 m/s until it comes to rest on the spike after each swing. Assuming all the energy is absorbed by the nail, and ignoring the work done by the nail on the ...
*January 16, 2014 by Holly*

**Eugenol**

I isolated eugenol from cloves in the lab using extraction and steam distillation but we did not do infrared. The lab report question is: Description of Method. I'm not sure what to put. We prepared the spice, did steam distillation, extracted the essential oil, dried it using...
*November 21, 2006 by Sheryl*

**English**

When a teacher wants you to do a reserch paper on the literary reflections of something, what does that mean? I am not certain what the teacher has in mind. When one looks into a mirror, one sees not the actual object, but rather an image. The image is unique to the observer, ...
*June 17, 2007 by Monique*

**spanish SRA MCGUINN**

are these correct Que hiciste ayer? my answer YO huhica moas tarea Adonde fuiste el sabado pasado? My answer Estaba en las peliculas Estuduante para tu clase de espanol anteayer? My answer Estudie para la clase espanola ayer -- is it espanola or espanol?
*January 23, 2008 by sam*

**Health Care**

I am not seeing anywhere in my text how I would provide this answer could someone point me in the correct direction... It states this... Compose a list identifying the major components of health communication. Who is involved in each component? How does each component promote ...
*May 9, 2008 by Ann*

**Chemistry**

Select the correct name for the following compound. Image: img39.imageshack.us/img39/2299/44906767.jpg a. 2,5-dimethyl-3-octyne-7-cyclobutane b. 4-cyclobutyl-1-isopropyl-3-methyl-1-hexyne c. 3-cyclobutyl-4,7-dimethyl-5-octyne d. 6-cyclobutyl-2,5-dimethyl-3-octyne e. 3-...
*July 2, 2009 by Toronto*

**Math 8R - HW Qs. Check**

1) One hundred forty-eight swimmers started a race. Nineteen stopped the race because of cramps. Twelve dropped out because of sunburn. Seventeen did not finish due to fatigue. How many finish the race? 148 - 19 = 129 129 - 12 = 117 117 - 17 = 100 My Answer - 100 Is my answer ...
*September 6, 2012 by Laruen *

**MaTh**

Need help with another word problem The swim team sold tickets to their skit night to earn money to go to the finals in another city that was 200 miles away. They sold 4 adult tickets for each child's ticket. If they sold 155 tickets, how many adults bought tickets? Is this ...
*August 19, 2013 by Amy*

**ALGEBRA 1**

change 50 to 25*2 sqrt 50 = 5 sqrt2 change 8 to 4*2 Nope: (sqrt3-sqrt5)(sqrt3-sqrt5). remember (a-b)(a-b)= a^2-2ab + b^2 Simplify.Express in simpliest radical form. 1.3sqrt2 +sqrt50 Cannot be solve. Terms have unlike radicals 2.3sqrt8+2 sqrt16 Terms have unlike radicals 3. Not...
*April 11, 2007 by bobpursley*

**PHYSICS PLEASE HELP!**

(a)How much work is done by the field in moving the electron through a distance of 7 cm? J (b) Through what potential difference will it have passed after moving through this distance? V (c) How fast will the electron be moving after it has traveled this distance? m/s
*March 17, 2010 by James*

**Health care**

I need orginal work on this question:• What is one strength you see in the current U.S. health care system? What is one weakness you see? List and describe one of the challenges facing the U.S. health care system.
*December 9, 2010 by david d*

**GEOMETRY**

DETERMINE WHICH IF ANY,OF THE THREE STATEMENTS ARE EQUIVALENT. GIVE A REASON FOR YOUR CONCLUSION.SHOW COMPLETE WORK. 1) iF THE DOG LICKS HER NOSE, THEN THE DOG IS NOT HAPPY. 2) IF THE DOG LICKS HER NOSE,THEN THE DOG IS HAPPY. 3) iF THE DOG IS NOT HAPPY,THEN THE DOG DOES NOT ...
*June 2, 2012 by angela*

**chem/plz/check work studying for a final**

what is the volume occupied by 16.0g ethane gas (C2H6) at 720 Torr and 18C? V=nRT/P conversion of mol: 16.0g C2H6 X 1mol C2H6/30.07g C2H6= .53mol C2H6 V= .53 mol(0.0821 L*atm/mol*K)(291)K / 720 Torr (1 atm/760Torr) V= 13.5 L
*December 16, 2010 by julia*

**chem/plz/check work studying for a final**

what is the volume occupied by 16.0g ethane gas (C2H6) at 720 Torr and 18C? V=nRT/P conversion of mol: 16.0g C2H6 X 1mol C2H6/30.07g C2H6= .53mol C2H6 V= .53 mol(0.0821 L*atm/mol*K)(291)K / 720 Torr (1 atm/760Torr) V= 13.5 L
*December 16, 2010 by julia*

**Physics - Potential difference (check + help)**

A pair of horizontal plates are situated in a vacuum and separated by a distance of 1.8cm. What potential energy would need to be connected across the plates in order to hold a single electron suspended at rest between them? Ans: I used the formula (qv)/d = mg ; where q=is the...
*October 13, 2010 by Anonymous*

**Physics**

During the Olympic ice competition, Boris (m = 75 kg) glides at 1.8 m/s to a stationary Juliette (52 kg) and hangs on. How far will the pair slide after the “collision” if the coefficient of kinetic friction between the ice and their skates is .042? My answer: Conservation of ...
*November 23, 2010 by Mike*

**English**

1.The clowns and jugglers (has, have) always been my favorite performers. 2.Neither pencils nor an eraser (are, is) permitted. 3.All of the boats in the harbor (belong, belongs) to the village. 4.Either the wall clock or our wristwatches (tell, tells) the correct time. 5.Both ...
*December 9, 2010 by Tracy*

**history**

In his famous sermon of 1095, Pope Urban II saw Christian Europe as A. only a small part of Europe and an even smaller part of the larger world. B. being evenly divided among Europe, Africa, and Asia. C. a military and economic powerhouse that had always been on the rise. D. ...
*May 31, 2011 by bob*

**Spanish**

I posted a question about nationality before-thank you for the answer Also are these correctly done? 1.Juan Gabriel Juan Gabriel es mexicano. 2.Carlos Vives Carlos Vives es colombiano. 3.Julio Iglesius y Enrique Iglesias son espanoles. 4. Samantha es colombiana. 5.Fidel Castro...
*December 10, 2011 by Julian*

**Psychology**

Help Please! Need to know if I'm the right track. If this the correct answer. I said the answer is C After Mrs. Keech's doomsday predictions failed, her followers suddenly became interested in convincing others they were right. This strong need to maintain consistency in one's...
*December 12, 2011 by Princess*

**English**

1. It's your problem, not my problem. 2. It's your problem, and it's not my problem. 3. It's your problem, but it's not my problem. (What does #1 mean? Does #1 mean #2 or #3? Or do you have another expression which is the full form of #1?) 4. I think the girl (to be) her. 5. I...
*July 6, 2009 by John*

**English**

1. I am Bora, your student from last year. 2. I am Bora, your student last year. (Which one is correct?) 3. School begins at 8:30 am. (What does school mean here? Does 'school' mean 'class'?)
*March 22, 2010 by rfvv*

**,math**

Find the number of subsets of the given set. {math, English, history, science, art} Is this correct: 1. {} 2. {math} 3. {English} 4. {history} 5. {science} 6. {art} 7. {m, E} 8. {m,h} 9. {m, s} 10. {m, a} 11. {e, h} 12. {e, s} 13. {e, a} 14. {h, s) 15. {h, a} 16. {s, a} 17. {m...
*April 15, 2010 by bwb*

**math**

Find the number of subsets of the given set. {math, English, history, science, art} Is this correct: 1. {} 2. {math} 3. {English} 4. {history} 5. {science} 6. {art} 7. {m, E} 8. {m,h} 9. {m, s} 10. {m, a} 11. {e, h} 12. {e, s} 13. {e, a} 14. {h, s) 15. {h, a} 16. {s, a} 17. {m...
*April 15, 2010 by bwb*

**English**

1. What was their job? 2. They worked at a bakery. 3. He worked at a bakery, and she worked for a bank. 4. What were their jobs? 5. He worked at a bakery, and she worked for a bank. 6. They worked at a bakery. (Will you look at the questions and answers? Which ones are not ...
*April 15, 2010 by rfvv*

**Pre-Calculus**

This is application question. Bacterial Control. If t days after treatment the bacteria count per cubic centimeter in a body of water is given by C(t) = 10t^2 - 120x + 800 0 <= t <= 9 Thn in how many days will the jcount be a minimum? I got this result: 20(t^2 - 6 + 40) ...
*November 19, 2011 by Stacy*

**Physical Science**

The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... a)The radius of the circle b)The mass of the particle c)The charge of the particle d)The magnitude of the magnetic field e)Actually, it ...
*March 13, 2010 by Stephanie*

**Calculus**

I don't know if I did these problems correctly. Can you check them? Use Integration by parts to solve problems. integral x^3(lnx)dx u=lnx dv=x^3dx du=1/x v=x^4/4 Answer:(x^3)(lnx)-(x^4/16) integral xcosxdx x cosx 1 sinx 0 -cosx Answer: xcosx+cosx integral e^2x(sinx)dx u=e^2x ...
*November 18, 2007 by Anonymous*

**English**

Write ten sentences about different people places or things. Begin each sentence with a compound subject. Make sure the compound subject and the verb agree. 1.My friend and I go to the park on the weekend. 2.Lance and Darren don't want to go to the party. 3.Hot Topic and ...
*March 7, 2013 by Jerald*

**OHHH MYYY GODDD**

Hi I need some help here guys what is the Atomic Structure in the periodic table ,, I need a full explained answer, thankyou You are talking about several chapters in a chemistry text. If you can refine your question a little and tell us exactly what you want to know (not ...
*January 1, 2007 by Hi*

**Algebra**

Prada Sport 02LS Gloss Black 02LS 1AB1A1 £132.30 My equation is as follow: S=C(1+r/100)^5. This is to determine the inflated cost S, in five years, of an item, good and service, where C is the current price of that item in that country currency and where the inflation rate is ...
*June 23, 2010 by Mayl*

**Chemistry**

XeF2 is a linear molecule with vibrational frequencies of 515 cm–1 (symmetric stretch), 555 cm–1 (antisymmetric stretch) and 213 cm–1 (bend). A vibrational Raman spectrum is acquired using radiation at 488 nm from an argon-ion laser. Predict, with justification, which ...
*May 22, 2011 by Alice*

**Psychology**

In a classroom experiment, students were asked to place one paper clip in each hand. They were then instructed to add paper clips to the left hand until they were certain that the clips in the left hand weighed more than the paper clips in the right hand. The class average was...
*November 7, 2011 by Kasey*

**Changes in Matter**

Which of the following geological changes are physical changes and which are chemical changes? a)formation of a limestone cave b)creation of a canyon by a river c)wearing of rocks by wave action d)destruction of lakes by acid rain e)heaving of the ground by ice formation a = ...
*March 22, 2010 by Sara*

**accounting**

Nature’s Way, Inc., keeps one of its production facilities busy making a perfume called Essence de la Vache. The perfume goes through two processing departments: Blending and Bottling. The following incomplete Work in Process account is provided for the Blending Department for...
*April 4, 2012 by Daddyoj*

**Spelling!**

I have a hard home work with spelling. i have to write sentences using each word. It doesn't sound so hard right?? The words are : Spelling List-Possessives anybody's brother's brothers' companion's companions' lions' president's presidents' teenager's teenagers' someone's ...
*October 25, 2010 by Erin*

**Geography**

16. Although most of South America lies within the tropical latitudes a. climate and vegetation differ greatly in the region b. cold ocean currents keep the air cool and dry c. there is little tropical vegetation on the continent d. the abundance of highlands and mountains ...
*September 7, 2009 by mysterychicken*

**History**

So I was reviewing my online lecture for school, and I noticed something the teacher had said. The Plains Indians planted seeds in the Spring, hunted buffalo and small game in the summer, harvested crops and made sure there was a good food surplus for winter in autumn, but in ...
*September 8, 2014 by Katt*

**childhood**

it has been propsed that there is a tendency for parent to trat full term babies better than preterm babies a big reason is ? a. that a full term infants dont cry as much. b. that the behavior of pre term babes is more annoying and irratible c. that pre term infants demand ...
*February 20, 2011 by alisha*

**permutations in math**

suppose 15 countries compete in an olympic event. gold, and silver,and bronze medals are awarded. how many different arrangements of winners are there if no country wins more than one medal in this event? show the work. thanks. 15 countries can get the gold 14 countries can ...
*April 9, 2007 by dillon*

**physics**

I need help confirming my answers: 1) The work done on an electric charge equals a) IR b)q/t c)Vq d) It I think it's C.(Vq) 2) The direction of an electric field is the direction that a ___ test charge will move when placed in the field. a)negative b) positive c) neutral I ...
*April 7, 2011 by Katie*

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