# Homework Help: 11th Grade

**11th grade**

f(x)=x-1/x-4

*Monday, February 9, 2009 by german*

**11th grade**

3x+6=2x+13

*Tuesday, February 3, 2009 by Ashley*

**11th grade**

solve the equation c^2+6c=55 Do you do it the same way

*Sunday, December 28, 2008 by kiearra*

**11th grade**

factor the expression 2x^2+x-15

*Sunday, December 28, 2008 by kiearra*

**11th grade**

a+b+c=5 then find the value of a,b,c

*Sunday, November 23, 2008 by saad*

**11th grade chemistry**

whats the ionic name for strontium iodide

*Thursday, November 20, 2008 by latifa*

**11th grade**

What is meant by the quote "Hunger is the best pickle"

*Thursday, November 13, 2008 by Michael*

**11th grade**

How did Gandhi demonstrate an appreciation for other faiths?

*Tuesday, November 11, 2008 by Kai*

**11th grade**

I need help with substitution math.

*Monday, November 3, 2008 by Gaby*

**11th grade**

i need a written example of an article.

*Sunday, November 2, 2008 by Neha*

**11th grade**

Mapp vs. Ohio?

*Tuesday, October 21, 2008 by Brielle*

**11th grade**

Why do we need to polish magnesium before using it in an experiment?

*Saturday, October 18, 2008 by Kace*

**11th grade**

help with the story bernice bobs her hair

*Friday, October 10, 2008 by wanda*

**11th grade**

CAROLINA, 1670-1760 TO WHAT EXTENT WAS ECONOMICS THE BASIS FOR PROTEST?

*Wednesday, October 8, 2008 by JOEI*

**11th grade physics**

bob where r u !!!

*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**

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*

**11th Grade Algebra 2**

Not asking for answers- just some explanations- can someone explain how to do (3x^5+12x^4+11x^3+2x^2-4x-2)/(3x^2-1)

*Monday, January 23, 2017 by pj*

**Chemistry**

Does anyone know the answers to the Chemistry unit 4 lesson 11 ( Chemical Bonding ) test ?? In 11th grade

*Tuesday, November 15, 2016 by Tacohut227*

**Physics**

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 Grade 11th Grade 12th Grade College Adult ...

*Sunday, April 17, 2016 by Rameel*

**11th grade math**

Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b

*Wednesday, October 28, 2015 by Claire*

**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*

**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 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**

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**

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**

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 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**

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**

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*

**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 don't 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 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**

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 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 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*

**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*

**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*

**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*

**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 Maths**

This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AUB=Ø, then prove that A=Ø,B=Ø

*Tuesday, June 29, 2010 by Akash*

**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 Algebra 2**

Marciella has a bag that contains 35 nickels and quarters. The total value of these coins is less than $2.50. What is the maximum number of quarters that meets these conditions?

*Wednesday, April 7, 2010 by David Nipp*

**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*