Saturday

September 20, 2014

September 20, 2014

Total # Posts: 734

**French**

Jour 2-Vous prendrez votre petit déjeuner á l´hôtel. Vous aurez le plaisir de participer á une aventure sous-marine prévue par Le Club Sous-marine L´eau. Déjeuner sera mangé au restaurant L´Arbousier.Vous irez ...
*January 13, 2011*

**French**

I have to post one day at a time, otherwise it wont let me jour 1-Aprés votre arrive á l´aéroport de Nice, vous prendrez le bus á Saint Raphael. Vous ferez le check- in á L´ Auberge Provençale, où vous logerez ...
*January 13, 2011*

**French**

I have a french itinerary that I have to present to the whole class.I was wondering if anybody would help me correct it. My French is not that good, and we will be graded on the mistakes we make..
*January 13, 2011*

**physics**

a bowling ball has a mass of 8kg. if it rolls down the alley, without slipping, at 7m/s, calculate a) the linear kinetic energy, b) the rotaional kinetic energy, c) the total kinetic engergy
*January 12, 2011*

**Physics**

How much work is done by a boy weighing 450. Newtons while carrying a 20.0 kilogram package up a 2.00 meter flight of stairs?
*January 2, 2011*

**Physics**

1. A 2,000 kilogram truck traveling at 60km/h strikes a tree and stops in 0.75 seconds. How large is the force that causes this to occur?
*January 2, 2011*

**PHY**

The kilogram snowboarder stands at the top of a slope that rises 27.14 meters above the valley floor. After sliding down the slope, (s)he glides up a 6 meter long jump that rises 3 meters above the valley floor. Calculate the snowboarder's speed at the top of the ramp if ...
*December 19, 2010*

**11th grade**

Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 236 miles and a perigee of 215 miles above the surface of Earth. Use the rule of thumb that below an ...
*December 16, 2010*

**hum 176**

Choose a form of popular media that you are passionate about. The media may be music, a book, or a movie. · Write a thesis sentence stating how and why it is more than just a piece of entertainment. The thesis must include why it is a legitimate form of popular culture...
*December 13, 2010*

**physcis**

a particle moving at a velocity of 6 m/s in the positive x direction is given an acceleration of 3.9m/s^2 in the positive Y direction for 3.4s. what is the final speed of the particle? answer in units of m/s
*December 11, 2010*

**trig**

Okay, I understand how to get pi/8 but how do you figure pi/7 and how do you figure cos(10degrees) when you can use the sum and difference method of angles? Please help it is driving me crazy, and I have finals coming up. Need to get this down. Can I do the method about using ...
*December 9, 2010*

**algebra 1**

what is the commutative law to find equivalent expression of dc
*December 5, 2010*

**algerbra**

Use the graph, showing the yearly food costs of a family. What was the decrease in the cost of food from 2003 to 2004?
*November 27, 2010*

**chemistry**

calcium hydroxide is titrated with nitric acid.What volume of 0.0200 M calcium hydroxide is required to neutralize 35.00 ml of 0.0500 M nitric acid?
*November 24, 2010*

**MATH- grade 8**

Write an algerbraic expression to describe the pattern rule for the date in this table of valures. Term# Value 1 6 2 11 3 18 4 27 PLEASE explain how you got the answer... Thanks(=
*November 23, 2010*

**MATH - gr.8**

Write an algerbraic expression to describe the pattern rule for the date in this table of valures. Term# Value 1 6 2 11 3 18 4 27
*November 23, 2010*

**Chemistry**

If 75 g of ice at 0.0 C were added to 1.5 L of water at 75 C, what would be the final temperature of the mixture?
*November 22, 2010*

**FP/101**

Which of the following is considered an advantage of home ownership? A. You are responsible for all repairs and maintenance. B. Interest paid on the mortgage of your home is tax deductible. C. Mortgage payments are always lower than rent payments. D. Profits on real estate are...
*November 21, 2010*

**physics**

a race car travels 22 m/s around a circular track of radius 142 m/ what is magnitude of the resultant force on the 1400 kg driver answer his car? answer in units of kN. the angle from the wheel to the horizontal is 32 degree..and u= .11
*November 21, 2010*

**Math**

let x be the father's age and y be the son's age.. x= 3times the age of son x=3y father's age{x) + son's age (y) = 44 now we have these x=3y x+y =44 substitute x with 3y for the 2nd equation so we now we have 3y+y=44 u can solve this from here. after getting ...
*November 21, 2010*

**physics**

an amusement park ride consists of a rotating circular platform 7.4 m in diameter from which 10 kg seats are suspended at the end of 1.81 m massless chains. when the system rotates, the chains make an angle of 26.6 degree with the vertical. the acceleration of gravity is 9.8 m...
*November 21, 2010*

**physics**

a 82.7 kg ice skater is moving at 5.88 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. she then moves in a circle of radius 0.627 m around the pole. the acceleration of gravity is 9.8 m/s^2. Find the force exerted by the rope on her arm.
*November 21, 2010*

**physics**

a dog sits 1.34m from the center of a merrygo round with an angular speed of 1.26rad/s. if the magnitude of the force that maintains the dog's circular motion is 43.8N, what is the dog's mass? answer in units of kg?
*November 20, 2010*

**Math 214**

Not sure my reasoning is correct. Here is the question: In a Nasa rocket firing, the probability of the siccess of the first stage is 95%, of the second stage 97% and of the third stage 98%. What is the probability of success for the three stage rocket? My reasoning: There are...
*November 5, 2010*

**math **

Ian multiplied a number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product
*October 28, 2010*

**physics**

a runner in the starting blocks is it a potential energy or a kinetic energy?
*October 27, 2010*

**chemistry**

2. Predict the approximate amount of heat liberated by burning a gram of candle wax and a gram of propyl alcohol (Note: candle wax is a mixture of saturated carbon compounds with 20 or more carbons in each molecule and no oxygen. Propyl alcohol has the formula C3H7OH.) If time...
*October 19, 2010*

**finance**

A small chemicalcompany is negotiatimg a loan from Manhatten Bank and Trust. The small chemical company needs to borrow $500,000. The bank offers a rate of 8 1/4 % with a 20% compensating balance, or as an alternative 9 3/4% with additional fees of $5,500 to cover the ...
*October 15, 2010*

**Math**

76.50
*October 14, 2010*

**Math**

Total inerest for 30 months
*October 14, 2010*

**Math**

Calculate the simple interest on each amount the total amount at the end. A deposit of $2550.00 that earns 3% interest over 30 months. Pleas show your steps! Thankyou (:
*October 14, 2010*

**Maths**

3/8 into a decimal
*October 9, 2010*

**algebra**

use the intercepts to graph the equation x+2y=4
*September 28, 2010*

**physics**

a driver in a car traveling at a speed of 21.8 m/s sees a cat 101m away on the road. How long will it take for the car to accelarate uniformly to a stop in exactly 99m?
*September 23, 2010*

**Math**

A total of 8 058 044 651 Web pages were searched by Google by the end of 2004. Express this number in a scientific notation and in expanded form.
*September 23, 2010*

**math**

A total of 8 058 044 651 Web pages were searched by Google by the end of 2004. Express this number in a scientific notation and in expanded form.
*September 23, 2010*

**math**

Thankyou!
*September 23, 2010*

**math**

The total area of Canada is 9 984 670km2. Calculate the side length of a square with the same area. Show your work.
*September 23, 2010*

**sorting**

sorting the same set in different ways
*September 20, 2010*

**chemistry**

thanks
*September 19, 2010*

**chemistry**

What mass of copper(II) nitrate would be produced from the complete reaction of 25.1 g of copper, according to the chemical reaction shown below? Cu + 2 AgNO3 ----> Cu(NO3)2 + 2 Ag i got 74.08 is that correct?
*September 19, 2010*

**chem**

it is
*September 19, 2010*

**chem**

What is the percent composition of carbon in sodium carbonate (Na2CO3) Na2CO3 = 12/106 x 100 = 11.32% is this correct?
*September 19, 2010*

**chem**

What mass of copper(II) nitrate would be produced from the complete reaction of 25.1 g of copper my final answer is 74.08 is this correct
*September 15, 2010*

**chem**

What mass of copper(II) nitrate would be produced from the complete reaction of 25.1 g of copper, according to the chemical reaction shown below? Cu + 2 AgNO3 ----> Cu(NO3)2 + 2 Ag
*September 15, 2010*

**chem**

Anhydrous aluminum oxide can be reduced to aluminum according to thisa chemical equation: 2 Al2O3 (s) ---> 4 Al (l) + 3 O2 (g) Calculate the mass of aluminum oxide reacted if 91.4 g of Al was produced and the percent yield was found to be 89.3%
*September 15, 2010*

**science**

sodium is attracts magnets
*September 14, 2010*

**MATH**

Given the GCF or LCM, what else do you know about each pair of numbers? a) Two numbers have GCF of 2. b) Two numbers have an LCM of 2. Please and thankyou!
*September 13, 2010*

**chem**

yes ion.
*September 5, 2010*

**chem**

How many electrons are in an atom of O2-.
*September 5, 2010*

**12th grade maths**

Alicia needs $2000 three years from now. How much should she deposit at the end of each year for the next 3 years in an account that pays 5% compounded annually?
*August 20, 2010*

**chemistry**

a. NaBr - nearly neutral b. K2SO3 - basic c. NH4NO2 - acidic d. Cr(NO3)3 - acidic
*July 4, 2010*

**math**

Car A is moving 48 km/h
*July 2, 2010*

**math**

oh okay... thank you very much!
*July 2, 2010*

**math**

can you please tell me how you got the answer? :)
*July 2, 2010*

**math**

Car B is 48km ahead of Car A. If Car Bis not moving and Car A is moving at 48km/h, how long will it take Car A to reach Car B?
*July 2, 2010*

**math**

Can you bisect a acute angle, right angle, or obtuse angle using each method: paper folding, a transparent mirror, and a compass and ruler? why or why not?
*May 18, 2010*

**CHEMISTRY**

2NO(g) + O2(g) --> 2NO2(g) Derive the theoretical rate law and indicate whether or not this is a possible mechanism for the above reaction: (1) 2NO(g) <-->* N2O2(g) (fast) (2) N2O2(g) + O2(g) --> 2NO2(g) (slow) Extra Info: This reaction is third order overall. NO ...
*April 25, 2010*

**Chemistry**

2NO(g) + O2(g) --> 2NO2(g) Derive the theoretical rate law and indicate whether or not this is a possible mechanism for the above reaction: (1) 2NO(g) <-->* N2O2(g) (fast) (2) N2O2(g) + O2(g) --> 2NO2(g) (slow) * indicates equilibrium arrows Thank you!
*April 24, 2010*

**CHEMISTRY**

thank you so much! no, I've been doing many questions on half cells and cell potential and I mindlessly forgot to assign oxidation numbers, just going by the sign of the element as you would with half cell questions. you're awesome help! thanks!
*April 22, 2010*

**CHEMISTRY**

Hello, I am trying to balance this redox reaction WITHOUT using the half-reaction method. Here is the unbalanced equation: MnO4 -(aq) + Zn(s)--> Mn 2+(aq) + Zn 2+(aq) It looks as if both elements are being oxidized. The answer is supposed to be: 2MnO4 -(aq) + 16H +(aq) + ...
*April 22, 2010*

**math**

calculate the surface area of each prism. length 9cm width 4cm hieght 8cm
*April 21, 2010*

**math**

how do you find the surface area and volume?
*April 21, 2010*

**CHEMISTRY**

Hello, I am having trouble balancing this redox reaction WITHOUT using the half-reaction method. I believe this is because not all of the elements are in (aq). BrO3-(aq) + N2H4(g) --> Br-(aq) + N2(g) Br is reduced by a factor of 6. N is oxidized by a factor of 2. I will ...
*April 21, 2010*

**math**

The capacity of a 1cm cube is 1mL. How many 1cm ice cubes would you need ti melt to fill a 1.5L jar?
*April 20, 2010*

**chemistry**

why are the flair lights at the air port yellow/orange instead of white? my teacher gave me until monday 18th to answer this and i think he expects a scientific answer but i have nothing
*April 17, 2010*

**earth**

If the distance from the moon to the Earth increased from 230,000 (which it is today) to 2,000,000 miles, what affect would this have on the tides?
*April 12, 2010*

**Physics**

A spherical steel ball has a diameter of 2.540cm at 25 degree Celsius. (a)What is its diameter when the temperature is raised to 100 degree Celsius? (b)What temperature change is required to increase its volume by 1%?
*April 8, 2010*

**Physics**

A spherical steel ball has a diameter of 2.540cm at 25 degree Celsius. (a)What is its diameter when the temperature is raised to 100 degree Celsius? (b)What temperature change is required to increase its volume by 1%?
*April 8, 2010*

**education**

Thanks
*April 6, 2010*

**education**

Children will generally select equipment based on: a.their prior success with the equipment. B.the size of the equipment c.the brightness and boldness of the equipment's colors d. The opportunity for challenge presented by the equipment. My answer is D. Could someone ...
*April 6, 2010*

**Physics**

Well it's an kinematics project and it involves alot of questions. So here goes the problem: Suppose a football was thrown at an angle of 37 degrees with a velocity of 90mi/hr while leaving a quarterback hand at a height of 6'4" above the ground. A)Calculate the ...
*April 6, 2010*

**education**

Someone please check this for me
*March 29, 2010*

**education**

1.For motor development,the greatest importance for the developing infant is. A.tummy time b.sitting c.crawling d.walking my answer is crawling 2. At what stage does the ability to use imagination begin to develop? A.infancy b.toddlerhood c.preschool d.early elementary my ...
*March 29, 2010*

**education**

Someone please check me answer
*March 25, 2010*

**education**

I think it is b.verbal\linguistic
*March 25, 2010*

**education**

Cooperative activities enhance which intelligence? A.logical\mathematical b.verbal\linguistic c.intrapersonal d.interpersoal
*March 25, 2010*

**Chemistry**

Wilh this form a buffer? 50 mL of .10 M HCl; 35 mL of .150 M NaOH WORK: Moles of HCl= .005 Moles of NaOH= .00525 total litres of solution= .05 + .035= .085 L [HCl]= .005 mol/.085 L = .0588 M [NaOH]= .00525 mol/ .085 L = .0618 M Ka of HCl= 1.3*10^6 pKa= -log(1.3*10^6) = -6.114 ...
*March 22, 2010*

**chemistry**

Will this solution form a buffer? 100 mL of .10 M NH3; 100 mL of .15 M NH4Cl Work: NH3= .01 moles NH4Cl= .015 moles .... not sure what else to do. I think we use the H-H equation, but I don't know how to find pKa, or even what pKa is. This should give the pH of the ...
*March 19, 2010*

**pre algebra**

r=2
*March 18, 2010*

**French**

Can you please check these Choose A. Le caissier m'a donné 200 euros en liquide. B. Je suis toujours fauché. C. Le caissier m'a donné 10 billets de dix. D. J'aime mettre de l'argent de côté. 1. -------- J'ai touché ...
*March 15, 2010*

**education**

Transition planning for children with special needs should focus primarily on: a.maintaining continuity of services b.getting the child ready for school c.the family's needs d.the child's needs
*March 8, 2010*

**education**

A major goal of a child's transition to a new program is to: a.meet new people b.learn new skills c.meet new teachers d.transfer skills
*March 8, 2010*

**education**

1.Transition planning for children with special needs should focus primarily on: a.maintaining continuity of services b.getting the child ready for school c.the family's needs d.the child's needs. My answer is d.the child's needs. Will someone please check my answer
*March 8, 2010*

**early childhood education**

A.a bad personality
*March 8, 2010*

**early childhood education**

1.A child's noncompliance is often due to all of the following EXCEPT: a.too many rules b.not enough choices c.poor ability to understand d.a bad personality
*March 8, 2010*

**college**

B."Walk in the hallway"
*March 8, 2010*

**college**

1.You want children to walk in the hallway.If they begin to run,the best thing to say to redirect them is:a."Stop running" b."Walk in the hallway" c."Running is for outside" d."We don't run"
*March 8, 2010*

**Computer Data Analysis**

How to apply the concepts of readability,reusability,and reliability in the use of spreadsheets.Do you think these really matter in the workplace? How about charting?
*March 6, 2010*

**math**

suppose you are starting an office-clening service. You have spent $315 on equipment.To clean an office, you use $4 worth of supplies.Yoou charge $25 per office. How many offices must you clean to break even?
*February 24, 2010*

**Computers**

Hi, I have an IT programming question but I'm not sure what the question means exactly. Question: Make an immutable class to represent DNA and RNA, these classes must wrap around a mutable character array the contents of which is used to set the state of these objects ...
*February 18, 2010*

**Computers**

Hi, does anyone know the difference between "public int getId()" and "public static int getId()" and when would you use them? thanks
*February 8, 2010*

**math**

40 is the answer. You are right :)
*February 8, 2010*

**Math**

4% of 1058.3 = B)
*January 31, 2010*

**Algebra**

Thanks Damon and Reiny, it helped a lot. Really appreciate it :)
*January 31, 2010*

**Algebra**

Hi, I'm struggling to do two questions. 1) If ||u||=2, ||v||=root 3 and u dot v = 1, find ||u+v|| 2)Show that there are no vectors u and v such that ||u|| = 1, ||v||=2 and u dot v = 3 Please help if you can. Thanks a million
*January 31, 2010*

**algebra**

b would be the y-int. Therefore b = 3 then sub the pt (-16,0) into the equation and solve for m.
*January 31, 2010*

**algebra**

- x = 1 11 26
*January 26, 2010*

**french**

Pouvez-vous me tansformer le mot gratÃ©sinoge en un vrai mot franÃ§ais?
*January 25, 2010*

**français**

Qu'est-ce que gratÃ©sinogÃ©?
*January 25, 2010*

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