Sunday

December 21, 2014

December 21, 2014

Post a New Question | Current Questions

**11th grade**

The answer I get for the problem 3 1 4 _____ - ____ = ___ 3x-9 x-3 9 is 4/0 which is undefined. Am I doing something wrong or could this answer be right?
*Tuesday, December 21, 2010 at 6:51pm*

**11th grade math **

The equation Ax^2 + 4y^2 = 16 represents an ellipse. Find all values of A such that its intersection with y = |x| has coordinates (x,y) which are integers.
*Sunday, December 19, 2010 at 5:21pm*

**11th grade math**

Using the formula 4.9t^2... A object is dropped how long will it take it to fall 92 meters
*Thursday, December 16, 2010 at 6:12pm*

**11th grade**

Is this sentence punctuated correctly. My garden is full of water, because of yesterday's rain
*Wednesday, December 15, 2010 at 10:53pm*

**11th grade**

Heather and Mathew walked eastward with a speed of 9.8 m/s. If it takes them 34 min. to walk to the store, how far have they walked?
*Tuesday, December 14, 2010 at 6:14pm*

**11th grade**

determine the gram formula (mass of one mole) KMnO4
*Tuesday, December 14, 2010 at 10:16am*

**11th grade**

You push a 250 kg desk with a force of 800N. The coefficient of friction is 0.2. What is the acceleration of the desk?
*Monday, December 13, 2010 at 9:07pm*

**11th grade**

If 720.0 mL of liquid water absorbs 80.0 kJ of heat, what will be its increase in temperature?
*Monday, December 13, 2010 at 7:50pm*

**11th grade**

If 720.0 mL of liquid water absorbs 80.0 kJ of heat, what will be its increase in temperature?
*Monday, December 13, 2010 at 7:49pm*

**11th grade**

what is the gerund or gerund phrase in the sentence. Cheering the team gave me a sore throat.
*Saturday, December 11, 2010 at 5:28pm*

**11th grade**

What is the most important reason that sediments at beaches are usually rounded and smooth?
*Saturday, December 11, 2010 at 3:15pm*

**11th grade**

I need help interpreting a quote...." in this world goodness is destined to be defeated ".
*Thursday, December 9, 2010 at 1:34am*

**11th grade**

I NEED URGENT HELP!! Bob is riding his bike along at 2m/s and drops his 2kg backpack from a height of 1.5 meters. What is the backpacks resulting velocity when it strikes the ground?
*Wednesday, December 8, 2010 at 8:48pm*

**11th grade**

a yo-yo has a mass of 0.20kg and i attached to a string 0.8m long. what isthe velocity of the yo-yo?
*Tuesday, December 7, 2010 at 7:02pm*

**11th grade**

How much electricity is needed to produce 120g of Calcium metal from molten CaCl2.
*Monday, December 6, 2010 at 5:01pm*

**11th grade**

the mass of a dog that weighs 100 N how many kilograms does it weigh?
*Friday, December 3, 2010 at 12:00pm*

**11th grade physics**

A car slows down from +32 m/s to +8 m/s in 4s. Calculate the acceleration .
*Monday, November 29, 2010 at 9:30pm*

**11th grade**

If the volume of water produced during the reaction doubled, what would happen to the ratio of hydrogen to oxygen in the following equation: 2 H2+ O2 --> 2 H2O
*Monday, November 29, 2010 at 4:27pm*

**11th grade**

A 16.0 kg box is released on a 39.0° incline and accelerates down the incline at 0.267 m/s2. Find the friction force impeding its motion
*Saturday, November 27, 2010 at 9:21pm*

**11th grade**

Find the lowest common denominator of the rational expression: 1/m = (m-34) / 2m squared
*Wednesday, November 17, 2010 at 6:06pm*

**11th grade**

What measures does henry say the colonists have already tried in the dealings with england?
*Monday, November 15, 2010 at 10:08am*

**11th grade**

An 88g arrow shot with Force=110N. Distance traveled is 78cm. What is speed of arrow?
*Monday, November 8, 2010 at 5:29pm*

**11th grade physics**

the horizontal range of a projectile is 4 root 3 times of its maximum height. calculate the angle of projection.
*Monday, November 8, 2010 at 1:22am*

**11th grade physics**

find the value of 60 joule per minute on a system which has 10 cm,100gm, and 1 minute as fundamental units.
*Monday, November 8, 2010 at 1:13am*

**11th grade**

Sodium Vapor lamps emit a characteristic yellow light . What can we deduce about sodium atoms, based on this observation?
*Monday, November 1, 2010 at 6:59pm*

**11th grade history**

Compare Thomas Paine to someone well known today
*Wednesday, October 27, 2010 at 2:50pm*

**11th grade english**

What is a good thesis statement on the destruction of world due to food we eat for my critical analysis paper?
*Saturday, October 23, 2010 at 12:15pm*

**11th grade**

Use the following functions to solve. f(x) = x2 + x + 1; g(x) = 5 - 2x; h(x) = -x2 Solve f(g(-1))
*Wednesday, October 20, 2010 at 12:08pm*

**11th grade**

a meter stick of wight 0.8 n is pivoted at 40 cm mark at which mark 1n load should be located to balence the sticke
*Tuesday, October 19, 2010 at 8:14am*

**11th grade**

a 65kg diver jumps off of a 10m tower. find the diver´s velocity when he hits the water?
*Sunday, October 17, 2010 at 11:51pm*

**11th grade**

how do bacterial plasmids relate to resistance and how do they relate to genetic engineering. i am very syuck and i need help please
*Sunday, October 17, 2010 at 10:45pm*

**11th grade**

what does the value of G=6.67e-11 tell us about the force of gravity
*Sunday, October 17, 2010 at 4:02pm*

**11th grade**

a motorcycle changes velocity from 80km/h[N] to 100km/h[N] in 5.0 seconds. calculate her average acceleration
*Wednesday, September 29, 2010 at 8:12pm*

**11th grade**

A roller coaster moves horizontally, then travels 45 m at an angle of 30 degrees above the horizontal. What is its displacement from its starting point?
*Wednesday, September 29, 2010 at 8:12pm*

**11th grade**

sound travels at 350 m/s in warm air. "If you hear the echo in 10 seconds, how far away is the reflecting surface?
*Tuesday, September 28, 2010 at 5:31pm*

**11th grade**

determine the number of significant figures in each following measurements
*Monday, September 27, 2010 at 11:25pm*

**11th grade**

Calculate the root mean square,average and most probable speed of oxygen at 27degree celcius
*Friday, September 24, 2010 at 2:52am*

**11th grade**

Having problems with proving segment relationships in paragraph proof forms in geometry.
*Tuesday, September 21, 2010 at 8:58pm*

**11th grade**

the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?
*Sunday, September 19, 2010 at 5:54pm*

**11th grade**

the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?
*Sunday, September 19, 2010 at 5:53pm*

**11th grade**

Lo que se hace despues de la clase de educacion fisica.
*Thursday, September 9, 2010 at 10:31pm*

**11th grade**

do you think the activation energy in living things is high or low
*Monday, September 6, 2010 at 3:30pm*

** geometry 11th grade**

suppose the coordinate of 9 is 2, pq=8 and pr=12. what are the possible coordinates of the midpoint of the given segment qr
*Thursday, August 26, 2010 at 8:09pm*

**11th grade**

You are traveling at a rate of 50 m/s. If you accelerate at a rate of -15 m/s2, what will be your velocity after 3 seconds?
*Wednesday, August 25, 2010 at 7:46pm*

**11th grade**

According to Bohr model, what determines the color of light emitted when an electron moved from one energy level to another?
*Wednesday, August 25, 2010 at 6:24pm*

**11th grade Maths**

Can someone help me understand what that even function & odd function is, in trignometry
*Sunday, August 8, 2010 at 8:49am*

**11th Grade Physics**

A stone falls from a tower and travels 100m in the last second before it reaches the ground. Find the height of the tower
*Thursday, August 5, 2010 at 12:37pm*

**11th Grade Physics**

If a particle's motion is described as x = ut+1/2at^2, where x is position, t is time and u and a, are constants. Show that the acceleration of the particle is constant
*Thursday, August 5, 2010 at 12:35pm*

**11th grade**

Calculate the molecular mass of the nonionic solutes: 64.3 g of solute in 390 g of water raises the boiling point to 100.680 degrees C.
*Wednesday, August 4, 2010 at 3:03am*

**11th grade**

in the heat of soultion lab what would happen to the delta T if the soultion CaCl2 was not stireed with the water?
*Sunday, July 18, 2010 at 1:20pm*

**11th grade,physical science**

what are the advantages and disadvantages of chlorine? what is chlorine?
*Thursday, July 15, 2010 at 3:54am*

**Grade 11th Chemistry**

How many molecules of water and oxygen atoms are present in 0.9g of Water. this numerical is based on Mole Concept. Kindly solve it!!!
*Monday, June 28, 2010 at 1:55pm*

**11th grade**

Describe how to find the multiplier for an exponential growth rate of 15%.
*Monday, June 21, 2010 at 1:49pm*

**11th grade**

Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22ºC) and 780 mm Hg of pressure.
*Wednesday, June 16, 2010 at 11:09am*

**11th grade**

write an expression that represents the width of a rectangle with length x+5 anmd area x to the 3 power + 12x to the 2nd power+ 47x+60
*Monday, May 24, 2010 at 11:38pm*

**11th grade**

what is the chemical reaction equation for : Hydrogen sulfite reacts with oxygen to form sulfur dioxide and water vapour.
*Monday, May 24, 2010 at 3:10am*

**11th grade science**

How would you balance Na2O plus HOH
*Monday, May 10, 2010 at 8:29pm*

**11th grade chemistry**

in 1D there are 4g of Zinc. How many moles of Barium Hydroxide are required?
*Tuesday, April 13, 2010 at 6:42pm*

**11th grade Algebra 2**

For each of the following sets determine it the represent the side lengths of a right triangle? A. 5, 6.5, 7.9 B. 1.6, 1.2, 2 C. 5, 1.3, 1.5 D. 1.5, 2, 2.5
*Thursday, April 8, 2010 at 6:23pm*

**11th grade**

On the issue of segregation, compare the views of Martin Luther King Jr. to those of Malcolm X.
*Thursday, April 8, 2010 at 12:51pm*

**11th grade Physics**

What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?
*Sunday, April 4, 2010 at 4:35pm*

**11th grade Physics**

What is the current produced by a 9-volt battery flowing through a resistance of 2 x 10^-4 ohms?
*Sunday, April 4, 2010 at 4:33pm*

**11th grade Physics**

What voltage is necessary to produce a current of 200 amperes through a resistance of 1 x 10^-3 ohms?
*Sunday, April 4, 2010 at 4:30pm*

**11th grade Physics**

What resistance would produce a current of 120 amps from a 6-volt battery?
*Sunday, April 4, 2010 at 3:39pm*

**11th grade Physics**

What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?
*Sunday, April 4, 2010 at 3:36pm*

**11th grade English**

The Book of "The Great Gatsby" Describe the "valley of ashes." What does it look like, and what does it represent?
*Sunday, April 4, 2010 at 2:46pm*

**11th grade Physics**

How many current paths are there in a parallel circuit connection?
*Wednesday, March 31, 2010 at 7:04pm*

**11th grade Physics**

How many current paths are there in a series circuit connection?
*Wednesday, March 31, 2010 at 7:02pm*

**11th grade Physics**

What happens when an insulator is wired in parallel with the bulb? is the swich open or closed?
*Wednesday, March 31, 2010 at 6:59pm*

**11th grade Physics**

What happens when an insulator is wired in series with the bulb? Is trhe swich open or closed?
*Wednesday, March 31, 2010 at 6:51pm*

**11th grade Physics**

What happens when a conductor is wired in parallel with the bulb? Is the swich open or closed?
*Wednesday, March 31, 2010 at 6:36pm*

**11th grade**

ALACRITY,ALCHEMY,ECCENTRIC,EFFICACY, INSURGENCY,INTEGRITY,PENITENT,PENTECOSTAL, RESOLUTE,RESONATE. i need analogies for these words. any help??
*Wednesday, March 31, 2010 at 11:52am*

**11th grade**

bar graph of automobile sales throughout the 1950's.
*Thursday, March 25, 2010 at 9:09pm*

**11th grade**

how much current flows in a 12-watt radio connected to a 120-volt circuit.
*Monday, March 22, 2010 at 3:54pm*

**11th grade**

what steps did the government take to respond to a demand by many Americans to control?
*Sunday, March 21, 2010 at 2:21pm*

**11th grade**

what is the systematic widespread effort to manipulate people`s ideas
*Saturday, March 20, 2010 at 7:31pm*

**11th grade**

convert into moles 1.44*10^25 atoms C = ? moles C
*Friday, March 12, 2010 at 12:59am*

**11th grade economics**

Why is it that the reward for capital is interest? I don't get how the business is rewarded interest, isn't it the banks?
*Monday, February 15, 2010 at 4:00am*

**11th grade**

Why is square root of x squared = absolute x? Is it because absolute x = -x and x?
*Monday, February 15, 2010 at 3:56am*

**11th grade English**

What is the timeline of chapters 13 through 18 of The Scarlet Letter? Please i need this by Tomorrow.
*Thursday, February 4, 2010 at 5:08pm*

**11th Grade math**

Find a degree polynomial that has zeros -3,4 and 5 and in which the coefficient of x^2 is 12.
*Thursday, January 21, 2010 at 5:06pm*

**11th grade**

I'm doing The Ambiguos case of triangles given SSA. My givens are a=6; b=7; alpha=30 degrees. how do I know if there's 2 triangles?
*Wednesday, January 13, 2010 at 7:17pm*

**11th grade**

Angle QRS is a straight angle. If a=2c, c=2b, and b=d/3, what are the values of a,b,c,and d? a+b+c+d = 180
*Tuesday, January 12, 2010 at 9:52pm*

**11th grade psychology**

does anyone have a current event that i can some how make a psychological tie to ?
*Thursday, January 7, 2010 at 6:46am*

**11th grade math**

find the sum of -2 plus 3i and -1 minus 2i ..........im not sure how to do it can anyone help me out?/
*Monday, January 4, 2010 at 12:01am*

**11th grade**

I am having trouble understanding pronouns, predicate nominatives, direct objects, indirect objests, and object of prepostion. I don't know how to tell them apart. What's an easy way to undertstand them?
*Tuesday, December 15, 2009 at 7:32pm*

**11th grade**

How do you draw the Lewis Structure for SO4,SF6,NH3 and H2S
*Tuesday, December 15, 2009 at 6:18pm*

**11th grade**

This item can give a president real leverage in influencing Congress
*Monday, December 14, 2009 at 8:58pm*

**11th grade**

What were the diverse purposes of England's American colonies and how were these purposes altered in early years of settlement?
*Saturday, December 12, 2009 at 2:38pm*

**11th grade**

A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s. (a) Calculate the centripetal acceleration of the child.
*Wednesday, December 9, 2009 at 4:22pm*

**11th grade**

A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s. (a) Calculate the centripetal acceleration of the child.
*Wednesday, December 9, 2009 at 4:20pm*

**11th grade**

Where have canadians been involved in peacekeeping missions? where was their first mission?
*Thursday, November 19, 2009 at 7:44pm*

**11th grade**

Where have canadians been involved in peacekeeping missions? where was their first mission?
*Thursday, November 19, 2009 at 7:44pm*

**11th grade**

A diamond contains 0.090 moles of carbon what is the mass of the diamond
*Tuesday, November 17, 2009 at 12:58am*

**11th Grade**

Well, then what's the best homework website for tutors who work via e-mail, so that they can take a look at my art and help me?
*Sunday, November 8, 2009 at 1:08pm*

**11th grade**

After the Bolsheviks took control of Russia, what did they do to get out of the war?
*Thursday, October 29, 2009 at 10:21pm*

**11th grade**

what was the most major turning point which marked the changing relationship between american colonists and the british which sparked the start of the revolutionary war
*Sunday, September 20, 2009 at 5:23pm*

**11th grade**

Is malleability an extensive property or an intensive property? Explain.
*Saturday, September 19, 2009 at 12:26pm*

**11th grade**

what is the density of an 84.7g sample of an unknown substance if the sample occupies 49.6cm3
*Wednesday, September 9, 2009 at 8:43pm*

**11th grade**

Can some one help me and give me the answers for the questions in the book hornbill of the lesson discovering tut: the saga continues?
*Thursday, August 6, 2009 at 1:12pm*

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