Wednesday
September 2, 2015

Homework Help: 11th Grade

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 by gabriel santiago

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 by gabriel santiago

11th grade
Where have canadians been involved in peacekeeping missions? where was their first mission?
Thursday, November 19, 2009 by Sandra

11th grade
Where have canadians been involved in peacekeeping missions? where was their first mission?
Thursday, November 19, 2009 by Sandra

11th grade
A diamond contains 0.090 moles of carbon what is the mass of the diamond
Tuesday, November 17, 2009 by sparkle

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 by Anonymous

11th grade
After the Bolsheviks took control of Russia, what did they do to get out of the war?
Thursday, October 29, 2009 by Breanna Cummins

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 by Tayla

11th grade
Is malleability an extensive property or an intensive property? Explain.
Saturday, September 19, 2009 by stephany

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 by Anonymous

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 by hasna

11th grade
What were the diverse purposes of England’s American colonies and how were those purposes altered in the early years of settlement?
Friday, July 31, 2009 by Jasmin

11th grade
did the roman catholic church have a great influence to new spain?
Thursday, July 9, 2009 by mmm

11th grade
write a factual description of the scene at the park in your locality in the morning hours
Tuesday, June 30, 2009 by shivani

11th grade
how human body mentain its posture in two legs while animals have not
Thursday, June 18, 2009 by mayank chaudhary

11th grade
how do you predict this product? hydrogen gas + oxygen gas -->
Tuesday, May 26, 2009 by Anonymous

11th grade Algebra 2/ Trig
The expression log 10^(x+2)- log 10^x is equivalent to???
Wednesday, May 20, 2009 by Anonymous

11th Grade chemistry
How to get pure gold from impure gold..please specify the chemical equation.. any example is fine,e.g. AuCl3 -> Au
Wednesday, May 13, 2009 by Luke

11th grade
Andrew claims that a wooden bookend in the shape of a 45°- 45°- 90° right triangle has side lengths of 5 in., 5 in., and 8 in. Is he correct? If so, show the work and if not, show why not.
Sunday, May 10, 2009 by Ryan

11th grade
during what holiday did german and english soldiers observe an informal truce they shared their food buried theri dead and sang together
Saturday, January 31, 2009 by randall

11th grade
hi, i am haveing prob;ems with my math its called solving the quadratic equation but my teacher is not really giving me the attention i need to pass the class but will you help me please
Wednesday, January 28, 2009 by boartavis

11th grade Art
What is keyhole painting? Could you help me with analysing an artwork. What information should I give.
Friday, January 23, 2009 by Lauren

11th grade
what were knights social status and daily lives like?? its kind of confusing how this site puts it to me please help me understand..
Tuesday, January 6, 2009 by tiana

11th grade
what were the most significant tecchnological innovations of the medieval period? need help this subject kills me!!!!!!
Tuesday, January 6, 2009 by tiana

11th grade
im writing this essay for an european history class. i've already started it but i just need help adding in deatails on the caliphate. like, why did it decline? and what were the results of this? please help me!!!!!!!!
Thursday, December 18, 2008 by miya

11th grade
why did the religons of buddhism and christianity spread when and as it did in africa during 300 bce?
Tuesday, December 2, 2008 by michelle

English 11th grade level
Whaat was on santiago's small line in old man and the seaa?
Tuesday, November 25, 2008 by Kim

11th grade
what is the difference between a student loan, a grant and a scholarship and how would you go about applying for each of them.
Thursday, October 16, 2008 by Melissa

11th grade
CAROLINA, 1670-1760 TO WHAT EXTENT WAS ECONOMICS THE BASIS FOR PROTEST?
Wednesday, October 8, 2008 by JOEI

11th grade ETHICS
Compare and contrast absolute and relative approaches on culture and morality. PLEASE HELP I AM SOOOO STUCK !!
Wednesday, October 8, 2008 by Zow

11th grade physics
im not procrastinating i really dont understand it. im not asking for the answers im just asking for a little more help??
Sunday, October 5, 2008 by JESSICA!!!!!!!!!!!!!!!!!

11th grade physics
is there physics in football
Sunday, October 5, 2008 by JESSICA!!!!!!!!!!!!!!!!!

11th grade
why do biologists use a classification system to study the diversite of life?
Thursday, September 25, 2008 by zavaleta

11th grade
where can i find a simple map of the original 13 colonies showing french and spanish territories
Sunday, September 21, 2008 by amber

11th grade
your pet dog runs around in circles, chasing his tail. Does this mean acceleration?
Thursday, September 18, 2008 by erica

11th grade
is separating water into hydrogen and oxygen a physical or chemical separation?
Saturday, September 13, 2008 by Klaudia

11th grade
does any one know anything about persian calendars how do they count years and anything at all
Saturday, September 6, 2008 by jess cole

11th grade
use a graphic organizer like the one below to compare the most powerful parts of the british and french governments
Thursday, September 4, 2008 by alexis

11th grade (World History)
Which ruin is about 140 miles southwest from Copan?
Tuesday, September 2, 2008 by Travis

11th grade u.s. history
Describe the Puritians. What were their beliefs? Why did they leave England? What did they accomplish in the new world? ANY HELP IS APPRECIATED.
Monday, September 1, 2008 by chris

AP classes
I am taking an AP class for the first time. How does this differ from regular classes and what should I expect. (11th grade)
Tuesday, August 26, 2008 by Sean

11th Grade US History
Why was James A. Garfield assassinated? What was the motive of the assailant(Charles Guiteau) What was the effect of the assassination on the American public?
Monday, April 7, 2008 by Britney

11th Grade US History
I need the names of two U.S. Presidents that have been impeached.
Thursday, April 3, 2008 by Britney

pre calc
Is there any complex numer that is equal to its conjugate? a+bi=a-bi????? precalc 11th grade a+bi=a-bi ---> 2 bi = 0 ---> b = 0 So, the imaginary part has to be zero.
Thursday, November 16, 2006 by bill

Math- Data Management
How would you solve this problem. The mean of 10 numbers is 8. If an 11th number is now included, the mean becomes 9. What is the value of the 11th number? Make an algebraic solution.
Monday, March 2, 2015 by Cathy

11th grade math
in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
Sunday, April 7, 2013 by Alex

Physics 11th grade
1) A racing car has a mass of 1525 kg. What is its kinetic energy if it has a speed of 35 m/s? 2) How much potential energy does Tim,with mass 60.0 kg, gain when he climbs a gymnasium rope a distance of 3.5 m? -Benchmark Review-
Sunday, March 10, 2013 by Isis

statistics
sing the 95% confidence level and the 11th grade male writing scores in the Class Data file, you would expect the lower end of the confidence interval to be approximately what value?" Answer
Monday, November 26, 2012 by Anonymous

English 11th grade
Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below. Please get to bed early since you have a test tomorrow.
Wednesday, October 3, 2012 by taniah

Chemistry (11th grade)
we have the following equation- 2HCl+CuSO4 yields H2SO4+CuCl2. the question is if 7 moles of HCl react, how many moles of H2SO4 will be produced?
Sunday, June 3, 2012 by scott swing

11th grade algebra 2
(1-7) write each function in vertex form (8-10) write each funtion in standard form? 1) Y=x^2+3x-10 2) Y=x^2-9x 3) Y=X^2+x 4) Y=x^2+5x+4 5) Y=4x^2+8x-3 6) Y=(3/4)x^2+9x 7) Y=-2x^2+2x+1 8) Y=(x-3)^2+1 9) Y=2(x-1)^2-3 10)Y=-3(x+4)^2+1
Thursday, April 5, 2012 by Angel

english/11th grade
He responds whenever he is called. In this sentence the Adverb clause is: whenever he is called and the Subordinating conjunction is: whenever what is the word modified? how can i figure out which word it is?
Thursday, November 17, 2011 by Amy

Physics 11th Grade
Ninja usually weighs 80 kg. He ate 5 kg of cookies over the Holiday Break: a. What is his weight? and B. How can ninja use physics to lose weight?
Sunday, January 9, 2011 by Anonymous

11th grade
A student reads that bromine (Br) tends to gain one electron in chemical interactions. Which BEST describes a region of the periodic table where all elements tend to share this property?
Friday, December 24, 2010 by Anonymous

11th grade
4. The use of technology such as telephones and computers means that money exchanges and other financial transactions can be a. based on the U.S. dollar all over the world. b. converted to prices in any currency. c. made instantaneously. d.sensitive to variations in any ...
Tuesday, December 21, 2010 by Anne

11th grade
a race car travels along a raceway at a constant velocity of 200 km per hour.what horizontal force acts and what is the net force acting on the car?
Monday, December 20, 2010 by Anonymous

11th grade
A resonating glass tube closed at one end is 4.0 cm wide and 47 cm long. What are the frequencies of the first three harmonics for the resonating tube? The speed of sound in air at this temperature is 346 m/s.
Friday, December 17, 2010 by Anonymous

11th grade
A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 4 inches across at its opening and is 3 inches deep, where will the collected light be concentrated?
Thursday, December 16, 2010 by katie

11th grade
A thunderstorm has an electric field one night of 1.5 105 N/C. What is the magnitude of the electric force on an electron in such a field?
Thursday, December 16, 2010 by jesse

11th grade
mr.reyes's geometry class built kites.of the 32 students in class, 87.5% of the kites flew.of the remaining kites, 75% of kites were unfinished.how many kites were finished but did not fly?
Wednesday, December 15, 2010 by Anonymous

11th grade pre ap physics
An athlete whirls a 7.00 kg hammer tied to the end of a 1.1 m chain in a horizontal circle. The hammer makes one revolution in 0.9 s. What is the tension in the chain?
Monday, December 13, 2010 by asian

11th grade
Joe wants to draw a triangle.the lengths are 5cm,12cm,and 13cm. A:will joe be able to draw the triangle?why or why not?
Monday, December 13, 2010 by Anonymous

11th grade
a rock is dropped from a 20.0m bridge falls into the river below. a.)at whqat velocity does it strike the water? b.)how much time did the rock take to reach the water?
Sunday, December 12, 2010 by marissa

11th grade
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.17 x 10^6 m/s. find the central force acting on the electron as it revolves in a circular orbit of radius 5.42 x 10^-11m.
Sunday, December 5, 2010 by Julia

11th grade
so I have this problem and I dont know what numbers to multiple and whatnot. Can someone help me? This is the problem: 4000 g Fe2O3* 1mole Fe2O3/159.68 gFe2O3* 3mole CO2/1mole Fe2O3
Thursday, December 2, 2010 by Jessi

11th grade
a 1000 kg car has a motor that exerts 1500 N of force to move it forward. a frictional force of 400 N opposes it's forward motion. calculate the acceleration of this car
Wednesday, December 1, 2010 by Anonymous

11th grade
A balloon at contains 0.5 L of gas at a constant pressure of 1.0 atm. If the pressure is increased to 3.0 atm, what will be the volume of the gas?
Tuesday, November 30, 2010 by Kiesha

11th grade
A 625-kg racing car completes one lap in 14.3 s around a circular track with a radius of 50.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
Monday, November 29, 2010 by john

11th grade
which ons is stronger 1)A solid cylinder of 2)A hollow cylinser of iron 3) A cylinder made up of slits of iron
Sunday, November 28, 2010 by physics

11th grade
accounts cash book find journal entries for. (1) discounted bill of rs .1000 at1% by bank (2) interest allowed by bank rs.5000
Monday, November 22, 2010 by mrudula

Physics 11th grade
I have to determine the muzzle velocity of a toy gun by treating it as a horizontal projectile. What could be a possible hypothesis when a toy gun is shot 5 meters away from the bucket and the ball which was loaded in it is supposed to fall in?
Wednesday, November 10, 2010 by Dwina

11th grade physics
how high above the surface of the Earth would an object need to be for its weight to be half its weight on the surface?
Monday, November 8, 2010 by Archie

11th grade
A 7.8 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 14.8 N. Find the speed of the block after it has moved 2.8 m. Answer in units of m/s
Sunday, November 7, 2010 by joshuaJR

11th Grade AP English
i have to wright an essay tomorro comparing The Great Gatsby and The Color of Water. Can anyone help me get some ideas/topics on what i should wright about?
Thursday, November 4, 2010 by Davud

11th grade physics
You place a box with a mass of 20kg on an inclined plane that makes a 35.0° angle with the horizontal. What is the component of the gravitational force acting down the inclined plane?
Tuesday, November 2, 2010 by Johnaton

11th grade
volatile liquids with lower boiling points give better results than those with higher boiling points. suggest a reason for this.
Sunday, October 31, 2010 by Anonymous

11th grade
When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.3 m/s2 as it slows from 9.5 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s
Monday, October 11, 2010 by leigha

11th grade Algebra
A number is multiplied by -3 and then this product is decreased by 7. The result is 4 less than twice the opposite of the number. what is the number?
Sunday, October 3, 2010 by Sally

11th grade
How would I solve the following equation for x? 2 sin^2(x) + 3 tanx secx = 2 I've tried the problems from different approaches, but couldn't come up with a solution. Could you please provide your thought process. It would be greatly appreciated. Thanks!
Friday, October 1, 2010 by Brittany

11th grade
How many uranium atoms are there in 9.5 g of pure uranium? The mass of one uranium atom is 4 × 10−26 kg
Thursday, September 30, 2010 by GABBY

H. Physics 11th grade
while flying over the grand canyon, the pilot slows the plane down to one-half the velocity in item 3. If the wind's velocity is still 75 km/h toward the southeast, what will the plane's new resultant velocity be?
Wednesday, September 29, 2010 by Abby

11th grade
When Maggie applies the brakes of her car,the car slows uniformly from 15.4 m/s to 0m/s in 2.41 s.How far ahead of a stop sign must she apply her brakes in order to stop at the sign?Answer in units of m.
Tuesday, September 21, 2010 by Taylor

11th grade
When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 3.8 m/s2 as it slows from 8.8 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s.
Tuesday, September 21, 2010 by Taylor

11th grade
When Maggie applies the brakes of her car, the car slows uniformly from 15.4 m/s to 0 m/s in 2.41 s. How far ahead of a stop sign must she apply her brakes in order to stop at the sign? Answer in units of m.
Monday, September 20, 2010 by Taylor

11th grade
When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 3.8 m/s2 as it slows from 8.8 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s.
Monday, September 20, 2010 by Taylor

11th grade
Suppose you surveyed 50 students and 34 said that they approve of how the president is doing. Construct 90%, 95%, and 99% confidence intervals for the true proportion of students in your school who approve of how the president is doing. Be sure to specifically calculate the ...
Sunday, September 12, 2010 by Charlie

11th grade
The base of a pyramid is 10 cm high is the triangle shown. Find the volume of the pyramid. The hieght/leg of the traingle is 4 the base/leg is 6 and the hypothnues is 7.21
Sunday, September 5, 2010 by Ali

11th grade
While driving his sports car at 20.0 down a four lane highway Eddie comes up behind a slow-moving dump truck abd decides to pass it in the left lane. If Eddie can accelerate at 5.00 m/s^2, how long will it take for him to reach a speed of 30.0 m/s?
Wednesday, September 1, 2010 by SH

11th grade
the measure of an angle is 8 degrees less than 3 times the measure of the angle's supplement. find the measure of each angle
Monday, August 30, 2010 by taylor

11th grade cytology
It is a biological fact that a human being can live without food for a number of weeks. However, if deprived of water, a human being will die in approximately three days. Explain the large difference in time between these two facts.
Friday, August 27, 2010 by icha

11th grade Chemistry 1
If your weight is 120 pounds and your mass is 54 kilograms, how would those values change if you were on the moon? The gravitational force on the moon is 1/6 the gravitational force on Earth.
Tuesday, August 24, 2010 by Megan

11th grade
in the distance you see an arch 192m. you estimate your line of sight with the top of the arch to be 8.4 degrees above the horizontal. appox how far in kilometers are you from the base of the arch?
Sunday, August 22, 2010 by gabe

12th grade maths
how to present math in different angles which represents depth of subject,easiness,empowerment,basics,logi​c,analyze,view of subject from back,view from front.Give multiple e.g.s .(just 11th & 12th)
Friday, August 20, 2010 by R_t

12th grade maths
how to present math in different angles which represents depth of subject,easiness,empowerment,basics,logi​c,analyze,view of subject from back,view from front.Give multiple e.g.s .(just 11th & 12th)
Friday, August 20, 2010 by R_t

11th Grade Physics
The maximum speed of a bus is 72km/h, it accelerates uniformly at the rate of 1m/s^2 and retards uniformly at the rate of 4m/s^2. Find the least time in which it can do a journey of 1km ?
Tuesday, July 27, 2010 by Praveen

11th grade Physics
Difference between Atomic spectrum and emission spectrum. First give me the clear cut definition of both and then the difference!!!
Saturday, July 24, 2010 by Akashdeep Singh

11th Grade Physics
A rocket is fired vertically from the ground with a resultant vertical acceleration of 10ms^-2. The fuel is finished in 1 minute and it continues to move up. What is the maximum height reached? Solve it!!! N Please solve it as i've to copy it in my correction notebook it&#...
Thursday, July 22, 2010 by Akashdeep Singh

Maths 11th Grade
The difference between the two acute angles of a right-angled triangle is 2(pie)/5 radians. Express the angles in degrees?? How to Solve it
Wednesday, July 21, 2010 by Akashdeep Singh

Grade 11th Maths
(Second time posting this problem)This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A⊂B, then prove that B'⊂A'
Sunday, July 4, 2010 by Akashdeep Singh

Grade 11th Maths
(Second Time posting this problem)This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A-B=A then show that A∩B=Ø
Sunday, July 4, 2010 by Akashdeep Singh

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