Monday
August 3, 2015

Homework Help: 11th Grade

11th grade
true or false. if three points are coplanar, they are collinear
Thursday, September 11, 2008 by candace

11th grade
Eplain about "The federlist paper"
Wednesday, September 10, 2008 by Tae

11th grade
what exactly is chemistry?
Thursday, September 4, 2008 by orlando

11th Grade A&P
What is GERD? Is it the same as acid reflux disease?
Monday, March 24, 2008 by Britney

11th grade algebra
Determine the nature of the roots of this question (1/4)x^2+x+1=0
Thursday, September 27, 2007 by Lauren

Biochem
Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th ...
Thursday, November 13, 2014 by Pop

Algebra
Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade ...
Thursday, October 9, 2014 by Anonymous

11th grade math
find the length of arc if an angle measuring 25 degrees is in the circle of radius 6 feet
Sunday, April 7, 2013 by Alex

Environmental Science 11th grade
The process of separating 238-U to produce material containing a higher concentration.
Thursday, February 7, 2013 by Anonymous

Environmental Science 11th grade
If half of a quantity of radioactive material decays in 10 years, in another 10 years?
Thursday, February 7, 2013 by AM

Environmental Science 11th grade
Discuss economic reasons that have caused many utilities to opt for coal-burning, rather than nuclear-powered, plants
Monday, February 4, 2013 by Anonymous

Environmental Science 11th grade
What problems are associated with the long-term containment of nuclear?
Monday, February 4, 2013 by Anonymous

Math (trigonometry)
MONDAY  December 3, 2012 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th...
Monday, December 3, 2012 by Sammy

Grammas and Composition 11th grade
I PURCHASED A USED BOOK TO COMPLETE A CORRESPONDENCE COURSE. PAGE 291 AND 292 IS MISSSING AND I NEED QUESTIONS 15-20. CAN SOMEONE HELP ME?
Tuesday, July 3, 2012 by Dylan

Question
I'M CURIOS SO DON'T JUST JUDGE ME AND BE RUDE i'M REALLY CURIOUS AND i FORGOT TO ASKED THIS QUESTION. DO NOT JUDGE ME!!!! Do I start taking SAT's and ACT's in grade 10th or 11th/12th grade???? I'm really curious.
Friday, December 30, 2011 by Lauren

11th grade chemsitry
If 150 g of water is heated from 3.0 celieus to 48.0 celieus how many joules of heat are needed
Monday, May 2, 2011 by Trent

Math 11th Grade
Use Demoivre's Theorem to find the fourth roots of -16. Leave the four roots in trigonometric form. How the heck do i do this?
Sunday, April 3, 2011 by Carl

11th grade
a particle is completing 5 revolution per second in a circle of radius 6 cm.calculate its linear velocity and the centripetal acceleration acting on it.
Sunday, December 26, 2010 by neena

11th grade
the area of a square is 64 square inches.what s the length of each side.
Saturday, December 25, 2010 by Anonymous

11th grade
a man whose mass is 75 kg walks up to 10 steps, each 20 cm high, in 5sec .what is the work done?
Wednesday, December 22, 2010 by pranshu

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 by Taylore

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 by Andy

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 by ALI

11th grade
Is this sentence punctuated correctly. My garden is full of water, because of yesterday's rain
Wednesday, December 15, 2010 by Anonymous

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 by ffdas

11th grade
determine the gram formula (mass of one mole) KMnO4
Tuesday, December 14, 2010 by linsey

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 by Leonardo Figueroa

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 by Anonymous

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 by Anonymous

11th grade
what is the gerund or gerund phrase in the sentence. Cheering the team gave me a sore throat.
Saturday, December 11, 2010 by Anonymous

11th grade
What is the most important reason that sediments at beaches are usually rounded and smooth?
Saturday, December 11, 2010 by Grettel

11th grade
I need help interpreting a quote...." in this world goodness is destined to be defeated ".
Thursday, December 9, 2010 by angelica

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 by lesly

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 by Anonymous

11th grade
How much electricity is needed to produce 120g of Calcium metal from molten CaCl2.
Monday, December 6, 2010 by Rhonda

11th grade
Consider two vectors where F1 = 38 N, F2 = 58 N, and = 240o and = 25o, measured from the positive x-axis with counter-clockwise being positive. What is the magnitude of the equilibriant?
Sunday, December 5, 2010 by ray

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 by bernice

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 by Anonymous

11th grade
Find the lowest common denominator of the rational expression: 1/m = (m-34) / 2m squared
Wednesday, November 17, 2010 by Brandon

11th grade
The following data are weights of hummingbirds (in grams) randomly selected from a population. Which histogram best portrays this data set? (You may want to use your TI-83 to help you.)
Wednesday, November 17, 2010 by Anonymous

11th grade
What measures does henry say the colonists have already tried in the dealings with england?
Monday, November 15, 2010 by mike

11th grade
An 88g arrow shot with Force=110N. Distance traveled is 78cm. What is speed of arrow?
Monday, November 8, 2010 by Jalissa

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 by help

11th grade physics
if action and reaction are always equal and opposite, why dont they always cancel each other and leave no force for acceleration of the body?
Monday, November 8, 2010 by help

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 by help

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 by Natasha

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 by Aisha

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 by greg

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 by Ammar Hafez

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 by caero

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 by vince

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 by raman

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 by Abby

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 by lisa

11th grade
Calculate the root mean square,average and most probable speed of oxygen at 27degree celcius
Friday, September 24, 2010 by Gaurav

11th grade
Having problems with proving segment relationships in paragraph proof forms in geometry.
Tuesday, September 21, 2010 by Colt

11th grade
An automobile with an initial speed of 4.56m/s accelerates uniformly at the rate of 2.4m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s.
Tuesday, September 21, 2010 by Taylor

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 by edith

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 by edith

11th grade
do you think the activation energy in living things is high or low
Monday, September 6, 2010 by Anonymous

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 by cody

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 by Syeda

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 by christina

11th grade Maths
Can someone help me understand what that even function & odd function is, in trignometry
Sunday, August 8, 2010 by Aishwarya

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 by Akash

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 by Praveen

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 by Chum

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 by Em

11th grade,physical science
what are the advantages and disadvantages of chlorine? what is chlorine?
Thursday, July 15, 2010 by doreen

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 by Akash

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 by Shakeria Crew

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 by Anonymous

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 by Cats

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 by David Nipp

11th grade
On the issue of segregation, compare the views of Martin Luther King Jr. to those of Malcolm X.
Thursday, April 8, 2010 by Cassie

11th grade Physics
What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?
Sunday, April 4, 2010 by Javier

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 by Javier

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 by Javier

11th grade Physics
What resistance would produce a current of 120 amps from a 6-volt battery?
Sunday, April 4, 2010 by Javier

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 by Javier

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 by Javier

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 by Javier

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 by Javier

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 by Javier

11th grade
ALACRITY,ALCHEMY,ECCENTRIC,EFFICACY, INSURGENCY,INTEGRITY,PENITENT,PENTECOSTA​L, RESOLUTE,RESONATE. i need analogies for these words. any help??
Wednesday, March 31, 2010 by Heather

11th grade
how much current flows in a 12-watt radio connected to a 120-volt circuit.
Monday, March 22, 2010 by Daquindre

11th grade
what steps did the government take to respond to a demand by many Americans to control?
Sunday, March 21, 2010 by Sani

11th grade
convert into moles 1.44*10^25 atoms C = ? moles C
Friday, March 12, 2010 by Anonymous

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 by Johnny

11th grade
Why is square root of x squared = absolute x? Is it because absolute x = -x and x?
Monday, February 15, 2010 by chris

11th grade Physics
A car does 6.0 104 J of work in traveling 2.6 km at constant speed. What was the average retarding force (from all sources) acting on the car?
Saturday, February 13, 2010 by Luricela

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 by Alex

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 by Natalie

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 by Donny

11th grade psychology
does anyone have a current event that i can some how make a psychological tie to ?
Thursday, January 7, 2010 by shani

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 by Lia

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 by Alisha

11th grade
How do you draw the Lewis Structure for SO4,SF6,NH3 and H2S
Tuesday, December 15, 2009 by Shannon

11th grade
This item can give a president real leverage in influencing Congress
Monday, December 14, 2009 by Ty

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 by DEE

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