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August 21, 2014

Homework Help: 11th Grade

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11th Grade Chemistry
The freezing point of an aqueous solution that contains a non-electrolyte is -9.0 degrees celcious. A. What is the freezing-point depression of the solution? B. What is the molal concentration of the solution?
Tuesday, April 27, 2010 at 3:52pm

11th grade Social Studies
I was wondering what three thought provoking, open discussions could be that is related to President Wilson's 14 points and World War I might be? Do you have any ideas what I could do? My teacher is asking us, because the questions we write will be used for a test in two ...
Tuesday, April 20, 2010 at 7:56pm

Physics 11th Grade
A foam ball of a mass of 0.150 g carries a charge of -2.00 nC. The ball is in a uniform electric field, and is suspended against the force of gravity. What are the magnitude and direction of the electric field?
Thursday, April 15, 2010 at 10:15pm

11th grade
a spring with a spring constant of 4 newtons per meter is compressed by a force of 1.2 newtons. what is the total elastic potential energy stored in this compressed spring
Tuesday, April 13, 2010 at 10:22pm

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 at 9:20pm

11th grade
A wire 28 cm long is parallel to a 0.36 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire? What equation do you use?
Tuesday, March 23, 2010 at 9:17pm

11th grade
a 45kilo roller-blader accelerates from rest to 4.5ms-1 in 3.0seconds. calculate the force requied by the roller-blader, if there are opposing friction forces of 40N acting? include a lbelled vector diagram in your answer.
Sunday, March 21, 2010 at 7:14am

11th grade
200 ml of a gas at 27oC and 1140 Pa pressure is transferred to a vessel of 450 ml capacity. What temperature is to be applied, if the pressure applied is 2000 Pa?
Friday, March 19, 2010 at 12:45am

11th grade
200 ml of a gas at 27oC and 1140 Pa pressure is transferred to a vessel of 450 ml capacity. What temperature is to be applied, if the pressure applied is 2000 Pa?
Friday, March 19, 2010 at 12:44am

Physics-11th grade
Two students on roller skates stand face-to-face, then push each other away. One student has a mass of 94 kg, the other 65 kg. Find the ratio of the velocities just after the hands lose contact.
Saturday, March 13, 2010 at 2:22pm

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 at 3:31pm

11th grade
What do you call a female bug that floats? it has to do with algebra. It shows you solutions and graphs. the graphs have letters in front of them so you can try and figure out what the answer is.
Wednesday, February 3, 2010 at 1:02pm

11th grade
Base your answers to the following questions using the diagram. The diagram represents R₁ and R₂ connected to constant power source of 40V. A₁, A₂, and A₃ represent ammeters.Find: A1: R1: potential difference:
Wednesday, January 20, 2010 at 5:35pm

11th grade
log[3](7x-3)>=log[3](5x)
Thursday, January 14, 2010 at 9:25am

11th grade
I need to find an example of Inversion/abnormal word order in either "The Crisis" by Thomas Paine, "The Declaration of Independence" or "The Death of a Salesman" and am having trouble understnading what to look for in the readings. Any help?
Monday, December 28, 2009 at 9:41pm

11th grade-Logs
log x = 1/2 (log a + Log b - log c) express x in terms of a,b,and c.
Monday, December 21, 2009 at 4:34pm

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
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
Tuesday, December 8, 2009 at 7:17pm

11th grade
I want to send path help an actual photo I took that's attached onto the e-mail. I can't do that on that website. Is there another website where I can e-mail a teacher a photo?
Sunday, November 8, 2009 at 5:23pm

11th grade
Hello there i am writing a book and i would like to know how many subjects does an eleventh grader have per day. please reply as soon as possible. thank you very much. P.S: This question is meant to be answered by an american individual due to various reasons.
Friday, November 6, 2009 at 10:48am

11th grade
The price of a sweater is $5 less than teice the price of a shirt. if four sweaters and three shirts cost $200, find the price of each shirt and each sweater.
Wednesday, October 28, 2009 at 4:59pm

11th grade Physics
Two children playing on the beach are pulling on an inner tube. One exerts a force of 45 N [N]. The other exerts a force of 60 N [SW]. What is the net force acting on the tube?
Wednesday, October 7, 2009 at 8:55pm

11th grade
if a container starts with 60 liters and the 1st hour it has half the liters and the 2nd hour it has 1/3, how long before there are 10 liters?
Thursday, September 24, 2009 at 6:37pm

11th grade
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
Tuesday, September 22, 2009 at 11:56am

11th grade-english III
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
Thursday, August 27, 2009 at 1:34pm

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 at 6:50pm

11th grade English
Can someone please help me with the topics for a research paper. It needs to be based on some medical issues. This is the first time I am writing a research paper. please help me with a topic. Please!!!!
Friday, April 3, 2009 at 10:54am

11th grade
does anyone know anything about the muslim culture and there dress.do they do it voluntary?do we as westerners have any issues with their dress? because i dont! help is needed right now! please help me!!!!
Thursday, December 18, 2008 at 7:14pm

11th grade
in lines 17-30, what does nature say will happen to the reader? why will the reader no be alone? In your words, how would you describe what nature says in lines 31-72
Monday, November 24, 2008 at 7:17pm

11th grade
a particle starts at time t=0 and moves on a number line so that its position at time t is given by x(t)= (t-2)^3(t-6) what is the farthest to the left of the origin that hte particles moves?? i was able to find the velocity and acceleration formula. but i have no idea how to ...
Sunday, November 23, 2008 at 10:32pm

11th grade
A uniform plank of length 6.0 m and weight 231 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 451 N walk on the overhanging part of the plank before it just begins to tip?
Saturday, November 8, 2008 at 5:34pm

11th Grade-Calc
cylindrical can is to be made from a rectangular piece of aluminum that is 25 inches long and 10inches high by rolling the metal horizontally. Determine the circumference of the cylinder, the radius of the cylinder, the height of the cylinder, and the volume of the cylinder
Saturday, November 8, 2008 at 5:24pm

11th grade
what is difference between blending patterns of inheritance and particulate patterns of inheritance?
Sunday, November 2, 2008 at 9:46pm

11th grade physics
is there physics in football
Sunday, October 5, 2008 at 7:48pm

11th grade physics
my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck
Sunday, October 5, 2008 at 6:59pm

american history
ok im doing a crossword puzzle on the constitution info...i'm doing 11th grade history and i just need 2 answers left... the 1sr is , powers of both the state and federal governments (but the third letter is s) ..2nd is and anti federalist (during the constitution time)
Sunday, October 5, 2008 at 5:02pm

Science Fair
My school has a Science Fair coming up and I would really like to win this year with an impressive EXPERIMENT! Any suggestions? I am in 11th grade.
Tuesday, September 23, 2008 at 11:40pm

11th grade
Rewrite the following sentence using the beginning word.( Had they realized how difficult it was to climb the mountain, they would have lost courage.) Now begin this sentence with (If) Thank you
Tuesday, September 23, 2008 at 10:29pm

MORE OPINIONS NEEDED PLEASE!!
FOR HISTORY WE HAVE TO CONDUCT A SURVERY FROM PEOPLE CONCERNING 9/11. THERE ARE ONLY TWO QUESTIONS THAT ARE ASKED. QUESTION 1:WHY DO YOU THINK SEPT. 11TH HAPPENED? QUESTION 2: HOW DO YOU THINK WE CAN PREVENT ANOTHER SEPTEMBER 11TH FROM HAPPENING? YOUR ANSWERS ARE GREATLY ...
Saturday, September 6, 2008 at 6:20pm

12TH HISTORY
FOR HISTORY WE HAVE TO CONDUCT A SURVERY FROM PEOPLE CONCERNING 9/11. THERE ARE ONLY TWO QUESTIONS THAT ARE ASKED. QUESTION 1:WHY DO YOU THINK SEPT. 11TH HAPPENED? QUESTION 2: HOW DO YOU THINK WE CAN PREVENT ANOTHER SEPTEMBER 11TH FROM HAPPENING? YOUR ANSWERS ARE GREATLY ...
Saturday, September 6, 2008 at 5:50pm

Math
In Simplifying 7 to the 11th power and 7 to the 9th power, Alexis decides to use her calculator to find 7 to the 11th power and 7 to the 9th power indiviually before dividing. Show how Alexis could use the laws of exponents to arrive at the answer more easily.
Monday, January 28, 2008 at 8:26pm

math& english
if there is any chance that someone could help me with math or english over messenger i am far behind in those subjects and totaly lost in algebra1 my SNs are babeangel747 for both thanks in advance what grade are you in? 9th and 10 i should be in 11th
Friday, August 11, 2006 at 11:11am

MATH
there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
Monday, March 24, 2014 at 3:14pm

Proctology
Hi, I am an 11th grade student beginning to look into some college options. I am interested in pursuing a career in proctology and have been reading some preliminary books on the topic. Can anyone recommend a college or pre-med program that would offer a strong proctology ...
Monday, March 25, 2013 at 8:53pm

Physics 11th grade 3
1) A box with a mass of 17 kg is moving at a velocity of 3.75 m/s. If the box was pushed with a force of 75 N how far did it go? 2) Calculate the momentum for a 0.18 kg rifle bullet traveling 369 m/s. 3) What is the impulse needed to stop the bullet? 4)Ice has a specific heat ...
Tuesday, March 12, 2013 at 1:29pm

englsih writing tips
So I really want my writing to improve. My teacher is extremely critical on people's writing. I know this is to help us but I feel incredibly stupid when she covers my paper with harsh comments. I just want her to like something in my writing. I feel like I have no ...
Wednesday, October 31, 2012 at 9:35pm

c++
Write a program that asks the user to input a grade that he or she received on an exam. The grade is an integer from 0 to 100 inclusive. The program should convert the numeric grade into the equivalent letter grade. Do the conversion by using a function Letter_Grade () that ...
Friday, May 18, 2012 at 10:53am

Math Lit
In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage of the whole school.
Sunday, February 5, 2012 at 2:42pm

Summer Session Question
If I get accepted to Yale Summer Session will this also help me get to Yale????? yes or no Plus how to get accepted to this summer program?????? btw I'm taking this during the summer after 11th grade
Saturday, December 10, 2011 at 11:43pm

11th grade english
I am supposed to state how the italicized noun clause is used, but I'm not sure how to tell the difference.. can anyone help? 1. [What I wanted to do] was to finish my work. S <---- i was thinking subject? OP PN or DO? 2. The valedictory prize will be awarded to [...
Friday, December 9, 2011 at 3:40pm

Friction and Charge (Physics Pre-AP 11th Grade)
When a fuel truck is moving, the friction between the truck tires and the road causes charge to build up. This is an example of charging by conduction. a. Explain why the build up of charge is a hazard. b. What can be done to prevent the hazard that would otherwise be produced...
Friday, February 25, 2011 at 2:45pm

Value of a Charge of a Body (Physics 11th Grade)
What is the value of a charge of a body that carries 20 excess electrons? I think that the question asks you to pretend that something is negatively charged by 20 electrons. So I think you take the charge of an electron, which is 1.6 x 10^-19, and multiply it by 20. If you do ...
Friday, February 25, 2011 at 2:09pm

11th grade
A box of books weighing 229 N is shoved across the floor by a force of 420 N exerted downward at an angle of 35° below the horizontal.If µk between the box and the floor is 0.75, how long does it take to move the box 7 m, starting from rest? (If the box will not move...
Sunday, December 5, 2010 at 8:26pm

11th grade
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the direction of the ...
Tuesday, November 30, 2010 at 7:16pm

11th grade
Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity coefficient, and m is the ...
Tuesday, November 16, 2010 at 8:50pm

11th grade
A 40-kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.8 m/s. Her hands are in contact with the wall for 0.80 s. Ignore friction and wind resistance. Find the magnitude and direction of the average ...
Tuesday, November 16, 2010 at 3:54pm

11th grade
At a glassware factory, molten cobalt glass is poured into molds to make paperweights. Each mold is a rectanglar prism whose height is 3 inches greater than the length of each side of the square base. A machine pours 20 cubic inches of liquid glass into each mold. What are the...
Monday, November 15, 2010 at 5:42pm

11th grade chemistry
a vessel contains 12 gm of methane gas at t degree celcius temp. and 1 atm. pressure. when the temp. is increased by 10 degree celcius at the same volume, the pressure increases by 10%. calculate the volume and initial temp.
Monday, November 8, 2010 at 1:09am

11th grade
a soccer ball is kicked with an initial velocity of 5.0 m/s in a direction of 30 degrees above the horizontal a. what are the initial components of the velocity? vix= viy= b. what are the components of the veloicty just before the ball hits the ground? vx= vy=
Sunday, October 17, 2010 at 8:25pm

11th grade
At her wedding, Jennifer lines up all the single females in a straight line away from her in preparation for the tossing of the bridal bouquet. She stands Kelly at 1.0 m, Kendra at 1.5 m, Mary at 2.0 m, Kristen at 25 m, and Lauren at 3.0 m. Jennifer turns around and tosses the...
Sunday, October 3, 2010 at 3:03pm

11th grade
An automobile with an initial speed of 4.56 m/s accelerates uniformly at the rate of 2.4 m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s. (part 2 of 2) Find the displacement of the car after 4.4 s. Answer in units of m.
Tuesday, September 21, 2010 at 5:43pm

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 at 5:38pm

11th grade
A box is sliding up an incline that makes an angle of 16.0° with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.30m/s. How far does the ...
Monday, September 20, 2010 at 6:47pm

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 at 6:33pm

11th grade
A flowerpot falls from a window sill 38.8 m above the sidewalk. What is the velocity of the flowerpot when it strikes the ground? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s. How much time does a passerby on the side- walk below have to move out of the ...
Monday, September 20, 2010 at 6:31pm

11th grade
A bus travel 250km south along a straight path with the average velocity of 84km/h to the the bus stop for 26 min. Then in it travel 240km with avrage 70km/h to the south.How long long did the hold trip take? What is the average velocity of the trip?
Monday, September 20, 2010 at 5:44pm

11th grade
A 36.5 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 10 grams. What was the percent iron in the sample of ore?
Wednesday, September 15, 2010 at 8:58pm

11th grade
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours? Visit the Calvinism in New England ...
Thursday, September 9, 2010 at 1:34pm

11th grade
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.3 m/s2. The magnitude of the car's velocity at the end of stage...
Tuesday, September 7, 2010 at 8:28pm

11th Grade Physics
A bus is moving with a velocity of 10m/s. A motor cyclist wishes to overtake the bus in 60 seconds. With what velocity the motor cyclist should chase the bus which is 1km ahead of him?
Thursday, August 5, 2010 at 12:33pm

Grade 11th Physics
A bus starts from rest and accelerates uniformly for 20 seconds to a speed of 18 km/h. It then moves with a uniform velocity and it is finally brought to rest in 100 meteres with a constant retardation. If the total distance travelled is 0.5km. Find the accelration, ...
Friday, July 9, 2010 at 4:05pm

Grade 11th Physics
This question is based upon differential calculus. Velocity of the particle is given by the equation: v = (2t^2+5)cm/s. Find:- (i) The change in velocity of the particle during the time interval t1 = 2s and t2 = 4s. (ii) Average acceleration during the same interval. (iii) ...
Thursday, July 8, 2010 at 7:23am

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. For any sets A and B. Prove that A∩B⊂A and A∩B⊂B.
Sunday, July 4, 2010 at 7:50am

Grade 11th Maths
This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. For any sets A and B. Prove that A∩B⊂A and A∩B⊂B.
Tuesday, June 29, 2010 at 7:08am

11th Grade Maths
The difference between the two acute angles of a right- angled triangle is 2 π/5 radians. Express the angles in degrees. I’ve multipled 2 π/5 * 180/ π and got the result 72 degree But the answer is 81 degree and 9 degree. Please explain me!!!
Wednesday, May 12, 2010 at 2:02am

11th grade Physics
A long,straight current-carrying wire runs from north to south. A) A compass needle placed above the wire points with its N-pole toward the east. In what direction is the current flowing? B) If a compass is put underneath the wire, which direction will the compass neddle point?
Wednesday, May 5, 2010 at 8:44am

11th grade Physics
If you hold a bar magnet in each hand and bring your hands together, will the force be attractive or repulsive if the magnets arte held so that A) the tow north poles are brought close together? B) a north pole and a south pole are brought together?
Wednesday, May 5, 2010 at 8:35am

11th Grade Chemistry Redox
I’m studying Redox Chapter. In this chapter I came across a point regarding oxidation. “Loss of electron results in decrease in negative charge” e.g MnO^2- = MnO^- + e^- 2Cl^- = Cl2 + 2e^- S^2- = S + 2e^- Now first tell me what does "2e^-" means ...
Wednesday, May 5, 2010 at 5:03am

Chemistry 11th Grade
If a certain oxide of nitrogen weighing 0.11g gives 56 ml of nitrogen and another oxide of nitrogen weighing 0.15 g gives the same volume of nitrogen (both at STP), show that these results support the law of multiple proportions.
Monday, May 3, 2010 at 3:59am

11th grade Algebra 2
A large pizza from Papa's Pizzeria has a diameter of 18 inches. If each large pizza is cut into 10 equal slices, what is the approximate area of 3 slices of pizza in square inches?
Monday, April 12, 2010 at 9:24pm

11th grade Algebra 2
Some students want to order shirts with their school logo. One company charges $9.65 per shirt a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. For what number of shirts would the cost be the same?
Wednesday, April 7, 2010 at 9:16pm

11th grade Algebra 2
A retaurant sold a total of 418 largeand small hanburgers during one day. Total hamburger sales were $1077. Large hamburgers sold for $3, and small hamburgers sold for $1.50. Write a system of liner equations can be used to find, l, the numberof large hamburgers sold, and s, ...
Wednesday, April 7, 2010 at 9:12pm

11th grade Algebra 2
At a college bookstore, Carla purchased a math textbook and a novel thjat cost a total of $54, not including tax. If the price if the math textbook, m, is $8 more than 3 times the price of the novel, n, write a system of linear equations that could be used to determine the ...
Wednesday, April 7, 2010 at 9:05pm

11th grade-physics
a cannon with a mass of 1,500kg fired a 7kg cannonball along its 3m long barrel in 0.015 seconds a)calculate the acceleration of the cannonball b)the force acting on the cannonball c) the reaction force exerted on the cannon d)the acceleration of the cannon e) the distance the...
Sunday, March 28, 2010 at 2:43pm

Math - average grade
Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade? This is NOT my homework...
Wednesday, February 17, 2010 at 10:32am

11th grade economics
Since capital are means of production e.g. machinery, how does that relate to the reward being interest? Business owners borrow money and pay interest but how does capital goods reward interest to business owners?
Monday, February 15, 2010 at 11:46pm

Physics 11th grade
Squaw Valley ski area in California claims that its lifts can move 48700 people per hour. If the average lift carries people about 185 m (vertically) higher, estimate the maximum total power needed. (Assume an average mass per person of 70 kg.)
Saturday, February 13, 2010 at 6:58pm

11th grade
(a) What is the minimum work needed to push a 1150 kg car 240 m up a 17.5° incline with zero friction? (b) What is the minimum work needed if the effective coefficient of friction is 0.20?
Saturday, February 13, 2010 at 3:17pm

11th grade
If the coefficient of kinetic friction between a 30 kg crate and the floor is 0.35, what horizontal force is required to move the crate at a steady speed across teh floor? wHAT HORIZONTAL FORCE IS REQUIRED IF MUK IS ZERO?
Tuesday, January 19, 2010 at 9:52pm

11th grade
A sign is being held up by two walls which are 22ft apart. You want the sign, which has a mass of 200kg, to hang in the middle of the two walls. If you have 50ft of rope, which has a breaking point of 2200N, and you want the sign to hang in equilibrium, all the while pleasig ...
Thursday, December 3, 2009 at 11:38pm

11th grade
how do i solve this thermochemical equation? and what r the steps to it 1. Find the heat of reaction for the following equation. N2(g) + 2 O2(g) -> N2O4(g) given the following steps 2NO2(g) -> N2(g)+ 2O2(g) delta H=-84.8 kj N2O4(g)-> 2NO2(g) delta H= 72.8 kj if you ...
Saturday, November 21, 2009 at 1:55pm

11th grade Physical Science
How fast must a 1,000 kg car be moving to have a kinetic energy of: (a) 2.0 x 10^3, (b) 2.0 x 10^5, (c) 1.0 kW x h? How high would you have to lift a 1,000 kg car to give it a potential energy of: (a) 2.0 x 10^3, (b) 2.0 x 10^5, (c) 1.0 kW x h?
Monday, November 2, 2009 at 6:07pm

11th grade
When a wheel is rotated through an angle of 35, a point on the circumference travels through an arc length of 2.5m. When the wheel is rotated through angles of 35 rad and 35 rev, the same point travels through arc lengths of 143 m and 9.0 x 10 m, respectively. What is the ...
Monday, October 5, 2009 at 6:00pm

11th grade
I REALLY need help on math because I can't understand what my teacher is saying in class. Here's the question : Sixteen metres of fencing are available to enclose a rectangular garden. a) represent the area of the garden as a function of the legnth of one side. b) ...
Monday, September 21, 2009 at 9:54pm

11th grade math
Suppose you earn $7.21 per hour and plan to work "h" hours per week. write an expression using variables that models the amount of money you will earn each week. Then, suppose you earn $10 in tips per week, regardless of the hours you work. How does this change the ...
Wednesday, September 9, 2009 at 11:40pm

11th grade
A monitor displays the graph y = 3 sin 5x. What will be the amplitude after a dilation of 2? I am so confused.....can somebody please help me.... please??? I know the graoh of sin x but what is dilation? can somebody please explain????
Monday, May 18, 2009 at 7:15pm

11th grade
Hi I am looking for sample travel brochure (made with Publisher or the like) of a spanish speaking country. I have the assignment of writing a trip itenerary to a spanish speaking country and I feel like an example would help lead the way.
Monday, May 18, 2009 at 5:13pm

US history
Hi, I have an assignment to write a research paper of my choice. I chose september 11th but I need to come up with my own prompt. I came up with this one To what extent did the tragic attack of September 11th effect our nation as a whole, as well as terrorism around the world...
Thursday, May 14, 2009 at 8:26pm

11th grade
A lifeguard was staring at a ship in the distance, and watched the smokestack as the ship went out to sea. The lifeguard's eye level is 4 meters above sea level. If the height of the smoke stack above water is 30 meters and the radius of earth is about 6400km, how far off ...
Friday, April 10, 2009 at 3:56pm

11th grade Algebra II
if the roots of ax^2+bx+c=0 are real, rational, and equal, what is true about the graph of y= ax^2+bx+c? 1.) it intersects the x-axis at two distinct points. 2.) it lies entirely below the x-axis 3.) it lies entirely above the x-axis 4.) it is tangent to the x-axis i think the...
Tuesday, March 31, 2009 at 10:26pm

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