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July 23, 2014

Homework Help: 9th Grade

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6th Grade Geography
Why is the Yangtze River referred to as the Golden Water way? I think it is because of how long it is, and then the fact that it runs from the Himalayas, Other than that I have no answer.
Wednesday, May 9, 2012 at 6:19pm

fourth grade math
A plan for a playground is a square shape witha perimeter of 32 units. What would be the area of this playground in square units? Explain how you get the answer using pictures, numbers, or words
Wednesday, May 9, 2012 at 5:58pm

english
i have to do an english presentaion for my grade 12 class about a book that i was assigned, how can i involve the class in my presentation?, the book i had to read is called "fall on your knees"
Tuesday, May 8, 2012 at 7:08pm

Chemistry Grade 12
Given the following equation, C3H8 (g) + 5O2 (g) -> 3CO2 (g) + 4H2O (g); H comb = -2219 kJ/mole A) how much heat will be released when 10 g of propane is burned? B) how much heat will be released when 10 g of water (H2O) is formed? Please show all work.
Tuesday, May 8, 2012 at 5:51pm

6th grade geography
Why do you think Russians have almost always had a centralized, authoritarian government?
Tuesday, May 8, 2012 at 5:23pm

math 6th grade
write the rule anf find the missing input. input out put 0 5 3 14 x 32
Monday, May 7, 2012 at 6:52pm

6th Grade Math
PLEASE HELP ME!!!!! I need to answer this equation: 9/2m-8=-5.5+4m I need it answer in a way like this: Ex: 9+5k=45+2k 0peration S 9 5k=36+2k S 2k 45+2k D 3 k=12
Monday, May 7, 2012 at 2:26am

6th grade history
In a short responce, explain how life in the Roman Empire was affected by imperial rule.
Sunday, May 6, 2012 at 6:45pm

6th grade history
In a short responce, explain how life in the Roman Empire was affected by the empirial rule. Answer is backed up with evidence or proof. So please send me a link to the website that you got it from. Thank you for your coroporation.
Sunday, May 6, 2012 at 2:15am

6th Grade Science
How did earthquakes contribute to the destruction of over seventy villages in Tibet? What does a concave scar on a hillside reveal about the formation of the landscape? How can erosion form new land? Please help me. I don't have any answers and I really need help. Thank ...
Friday, May 4, 2012 at 4:22pm

Calculus grade 12
Explain why three directional vectors of the plane cannot me mutually perpendicular .
Friday, May 4, 2012 at 1:32pm

Calculus grade 12
Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).
Friday, May 4, 2012 at 1:32pm

Calculus grade 12
Explain why three directional vectors of the plane cannot me mutually perpendicular .
Thursday, May 3, 2012 at 11:08pm

Calculus grade 12
Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).
Thursday, May 3, 2012 at 11:07pm

Calculus grade 12
Determine an equation for the plane that contains the points A(6, 2, 3), B(5, 1, -3), and C(5, 7, -2).
Thursday, May 3, 2012 at 11:06pm

Calculus grade 12
1. a) Write the vector and parametric equations of the line through the points A(6, -1, 5) and B(-2, -3, 6). b) Find another point on the line in (a).
Thursday, May 3, 2012 at 11:03pm

3rd grade math help
which one has two right angels square trapazoid rectangle or parrallegram??
Thursday, May 3, 2012 at 8:39pm

Math Word problems (3rd Grade)
Shondra has 72 roses and 48 lilies. She wants to make 8 bouquets with them, with the same number of each type of flower in each bouquet. How many flowers will be in each bouquet?
Monday, April 30, 2012 at 9:49pm

4th grade limericks
can you please check this for me: there once was a cat named rainbow, so fat and colorful, she loved to catch mice to eat, on her big fat feet, and she's a cat who likes to tip-toe.
Monday, April 30, 2012 at 7:27pm

Chatam County
Jerry posted his grades in English as 85, 87, 96, 100, 85, 99, 93 and 85. What is his median grade?
Monday, April 30, 2012 at 7:08pm

statistics
A professor informs her class that a test is very difficult, but the grades will be curved. Scores for the test are normally distributed with a mean of 25 and a standards deviation of 5. If she curves the grades by adding 50 to each grade, What is the new mean? What is the new...
Saturday, April 28, 2012 at 10:17pm

book report
can someone show me how a third grade bokreport layout is done
Saturday, April 28, 2012 at 6:33pm

math grade 11
in a reflection the image of the line y-2x=3 is the line 2y-x=9.find the axis of reflection.
Saturday, April 28, 2012 at 3:28am

7th grade Lang. Art
Meager is best defined as a) slight c) ample b) lavish d ancient Please help me thank you! :)
Wednesday, April 25, 2012 at 7:27pm

to Damon
im in 4th grade. I thought you were a 6th grader or something. thaks for the tip. i will always be careful. do you live in philly?
Wednesday, April 25, 2012 at 4:43pm

to Damon
thanks.its okay. wanna be friends?we can talk to eachother online here.im available from 4:00 to 10:00. what grade are you in?
Wednesday, April 25, 2012 at 4:32pm

Math
Need to find equation for 1250=1200+4-375. Is this possible or impossible. Need to find how to figure these type of questions. This is 3rd grade homework
Tuesday, April 24, 2012 at 9:15pm

My Course Grade
I have class average of 85.74. i got 63 in final which 15 of the class . what will be my my overall class average . Thank you in advance.
Tuesday, April 24, 2012 at 8:57pm

English
Can you please help express the concept below? Thank you, Writeacher. I was last proud of myself when I got an A in maths/when I got a 7 and a half (according to the Italian grade system) in maths.
Tuesday, April 24, 2012 at 6:42pm

Savannah park Secondary.grade 12 l.o
Describe the life style disease/behaviour and explain 5 factor that contribute to substance abuse
Monday, April 23, 2012 at 7:11pm

science 6th grade
do you know where I can find in abc order all of the STATES AND THEIR CAPITALS MAYBE A LINK. THIS IS FOR MY HOMEWORK TOMORROW.....THANK YOU IN ADVANCE FOR YOUR HELP!
Sunday, April 22, 2012 at 6:58pm

Calculus grade 12
Determine the equation of the tangent line to the function f(x) = x + Sinx at x = pie
Friday, April 20, 2012 at 2:58pm

Calculus grade 12
Determine the derivative of each function A1) y = e^x(Sin²x) A2) y = e²Sin²x B1) y = (x³ + 1)e^-2 B2) y = (x² + 1)e^-2 C) y = x²(theta^Sinx)
Friday, April 20, 2012 at 2:57pm

5th grade math
the points that amelia scored for each game are shown 325, 198, 262, 301, 275, 229 after her seventh ga, the range of her points was 129 points how many points did she score in the seventh game
Thursday, April 19, 2012 at 5:09pm

Grade 12 life orientation
Hiv/Aids describe the life style disease/behaviour and explain 5 factors that contribute to the disease
Thursday, April 19, 2012 at 3:04pm

Grade 12 life orientation
Hiv/Aids describe the life style disease/behaviour and explain 5 factors that contribute to the disease
Thursday, April 19, 2012 at 2:40pm

Grade 11 Math
jackie mows a stip of uniform width around her 25m by 15m rectangular lawn and leaves a patch of lawn that is 60% of the original area. What is the width of the strip?
Wednesday, April 18, 2012 at 9:17pm

Grade 12 Math
You have decided to rent a room in your house. The current rent is $450.00/month. If the rent cap is 2.75%, how many years will it take until you can charge at least $525.00/month?
Wednesday, April 18, 2012 at 9:09pm

Binomial Distribution
A biology quiz consists of twelve multiple-choice questions. Eight must be answered correctly to receive a passing grade. If each question has five possible answers, of which only one is correct, what is the probability that a student who guesses at random on each question ...
Wednesday, April 18, 2012 at 8:35pm

7th Grade Math
Linda's teacher divided the class into groups of five and required each member of a group to meet with every other member of that group. How many meetings will each group have?
Wednesday, April 18, 2012 at 7:51pm

Maths grade 10
A road-worker holds a flag in position R with an out stratched arm he swings the flag downwards and it forms an angle of 30 degree with the ground P.his shoe Q is 2,5 metre away from P.his head is 24 centimetre above his shoulder(s).calculate the height of the man.
Wednesday, April 18, 2012 at 2:15pm

math grade 12
use the binomial theorem to expand and simplify (y^2-2)^6 )(y^2+2)^6
Tuesday, April 17, 2012 at 11:50pm

science
need help writing a a short report on recycling im in the sixth grade
Tuesday, April 17, 2012 at 7:58pm

science-biology
I am in 10th grade and can you please help me by defining what is bio-catalysts?
Tuesday, April 17, 2012 at 1:21pm

NYS ELA Online Practice Exam - PLEASE read!
Today is my NYS ELA Exam Book 1: Multiple Choice Questions. I know I'm supposed to be at school but the 7th graders take the exam around 12:30 or 12:40. Right now the 8th graders are (still) taking the exam so I'm still at home. Tomorrow is Book 2: Listening and Note-...
Tuesday, April 17, 2012 at 10:21am

grade 6 math
how many rectangles can have the perimiter of 46m
Monday, April 16, 2012 at 11:55pm

Social Studies 4th grade
What challenges occured to Native American culture when they had contact eith European Settlers? 1. Spread of Disease 2 Increased Barter 3 Decreased Population 4 Inreased Conflict / War 5 ????????
Monday, April 16, 2012 at 10:41pm

social grade 10
Historical Globalization & imperialism PLEASE HELP! Did imperialism lead to a better life for European immigrants to Canada?
Monday, April 16, 2012 at 1:36am

historical globalization $ imperialism grade 10
what does eurocentric attitude means?
Monday, April 16, 2012 at 1:10am

history grade 10
Could you please help with should the Europeans have tried to change the beliefs of the people in their colonies durind imperialist times,what do you think the reasons would be?
Sunday, April 15, 2012 at 5:44pm

history grade 10
Could you please help explain if imperialism lead to a better life for Canada's indigenous people?
Sunday, April 15, 2012 at 5:38pm

history grade 10
Could you help explain if imperialism lead to a better life for immigrants to Canada?
Sunday, April 15, 2012 at 5:35pm

history grade 10
slavery before 1844, how were the slaves treated, did they have any right?
Sunday, April 15, 2012 at 5:32pm

12th Grade Life Orientation
In 15 lines discuss 5 ways in which health problem impacts on the community
Sunday, April 15, 2012 at 3:07pm

12th Grade Life Orientation
In 15 lines critically discuss 5 ways in which the human or environmetal problem impacts on the community
Saturday, April 14, 2012 at 1:37pm

8th grade math
Each side of a picute is enlarged by 125%. If the original area was 88 square inches, what is the area of the enlarged picture?
Thursday, April 12, 2012 at 2:36pm

Calculus grade 12
find the coordinates of all points on the graph of f(x) = x + 2cos(x) in the interval [0, pie] at which the tangent line is horizontal.
Thursday, April 12, 2012 at 12:50pm

Calculus grade 12
differentiate the function a) y = cos³x b) y = Sin²xCos3x c) y = Sin (x³)
Thursday, April 12, 2012 at 12:49pm

Calculus grade 12
a total of 8 meters of fencing are going to be used to fence in a rectangular cage for pets and divide it into three smaller cages **the photo that is shown with this question is three (3) boxes stuck together side by side horizontally*** determine the overall dimensions that ...
Thursday, April 12, 2012 at 12:49pm

Calculus Grade 12 University
a total of 8 meters of fencing are going to be used to fence in a rectangular cage for pets and divide it into three smaller cages **the photo that is shown with this question is three (3) boxes stuck together side by side horizontally*** determine the overall dimensions that ...
Thursday, April 12, 2012 at 12:36am

Calculus grade 12
solve for (<_ = less than or equal to / pie = pie sign / -pie = negative pie) 3 sin²x = cos²x ; 0 <_ x < 2pie cos²x - sin²x = sinx ; -pie < x <_ pie
Thursday, April 12, 2012 at 12:35am

Calculus grade 12
differentiate the function ( a) y = cos³x b) y = Sin²xCos3x c) y = Sin (x³)
Thursday, April 12, 2012 at 12:33am

Calculus grade 12
find the coordinates of all points on the graph of f(x) = x + 2cos(x) in the interval [0, pie] at which the tangent line is horizontal.
Thursday, April 12, 2012 at 12:30am

Calculus grade 12
Determine the equation of the tangent line to the function (² = square): f(x) = x + cos²x at x = pie/4
Thursday, April 12, 2012 at 12:28am

Calculus grade 12
Determine the derivative of the function (² = square): a) y = (x² + x - 1)Sin²x b) y = (x² + 1)/Sin²x
Thursday, April 12, 2012 at 12:27am

7th grade history
who was the frist dutch priest in eurpoe
Wednesday, April 11, 2012 at 8:49pm

Math 8th Grade
The chart below shows an expression evaluated for four different values of x x: x2+x+5: 1 7 2 11 6 47 7 61 Josiah concluded that for all positive values of x, x2+x+5 produces a prime number. Which value of x serves as a counterexample to prove Josiah’s conclusion false? A...
Tuesday, April 10, 2012 at 10:43pm

Math 8th Grade
Which number serves as a counterexample to the statement below: All positive integers are divisible by 2 or 3 I need as much as possible.
Tuesday, April 10, 2012 at 10:07pm

Math 8th Grade
What is the y-int of the graph of 4x+2y=12
Tuesday, April 10, 2012 at 10:04pm

8th grade math
You are making a box out of an 11in by 8in piece of poster board by cutting congruent squares out of the four corners and folding up the edges. To the nearest inch, what size square should you use to maximize the volume?
Tuesday, April 10, 2012 at 9:42pm

8th grade math
Two towers are similar. The area of the larger tower is 400 pi ft^2 and the area of the smaller tower is 169 pi ft^2. What is the ratio of the heights of the towers?
Tuesday, April 10, 2012 at 8:46pm

8th grade math
The dimensions of a rectangular prism are all whole numbers greater than 1". If the volume is 165 cu", and the height is 5", what is the perimeter of the base?
Tuesday, April 10, 2012 at 8:41pm

8th grade math
If the formula D(x,y) = (.7x,.7y) is applied to pre-image point (5, -7), what is the image point?
Tuesday, April 10, 2012 at 8:40pm

SS Help!
The 2nd amendment is "the right of the people to keep and use bear arms". what does Right to keep and bear arms means??? (please tell in a 7th grade level)
Tuesday, April 10, 2012 at 7:07pm

Social Studies 7R - Bill of Rights Project
What are the 8 amendments and what are their jobs (that includes interesting facts)? Is their a website for that. Plus make sure it's on a 7th grade social studies level. Thank You! :)
Tuesday, April 10, 2012 at 7:00pm

Math 3rd grade
Fred needs to do quite a few errands. He needs to stop by the cleaners, the post office, the hardware store, and the bank. There are a number of ways he can tackle his list of stops. How many ways can he accomplish his tasks?
Tuesday, April 10, 2012 at 6:40pm

grade 11 physics
A championship golfer uses a nine iron to chip a shot right into the cup. If the golf ball is launched at a velocity of 20 m/s at an angle of 45° above the horizontal, how far away was the golfer from the hole when he hit the ball? What maximum height did the ball reach?
Tuesday, April 10, 2012 at 12:38am

7th grade math
How would you solve the problem below using the subsitution method? 12x + 4 = 8y y = x - 7 Please explain to me and help. If you could show all the steps, that would help a lot. Thank you.
Monday, April 9, 2012 at 10:08pm

World History
What was the only thing that united East & West Pakistan? Time period: - Decolonization in India and Africa, 10th grade history
Monday, April 9, 2012 at 7:22pm

Physics(12th grade)
When the temperature of a gas in a vessel is increased by 1C then the pressure is increased by 0.5%. what will be its initial temperature?
Monday, April 9, 2012 at 12:52am

Physics (12th Grade)
When an ideal diatomic gas is heated at constant pressure then what fraction of heat given is used to increase internal energy of gas?
Monday, April 9, 2012 at 12:49am

Physics (12th Grade)
In changing the state of a system from state A to state B adiabatically the work done on the system is 322 J. If 100 cal f heat are given to the system in bringing it from state A to state B, then what will be the work done on the system in this process?
Monday, April 9, 2012 at 12:41am

Physics (12th Grade)
Equal volumes of monoatomic and diatomic gases of same initial temperature and pressure are mixed.What will be the ratio of sprcific heats of the mixture(Cp/Cv)?
Monday, April 9, 2012 at 12:33am

Physics (12th Grade)
In a certain process 500 cal of heat is given to a system and the system does 100J of work. What will be the increase in internal energy of the system?
Monday, April 9, 2012 at 12:27am

Physics (12th Grade)
The isothermal bulk modulus of elasticity of a gas is 1.5 * 100000 N/m^2. What will be its adiabatic bulk modulus of elasticity? Given the ratio of Cp/Cv=1.4
Monday, April 9, 2012 at 12:20am

English
Can you please check these sentences on history, please? Thank you, Writeacher. 1) In the 8th and the 9th centuries Scandinavian invaders, known as the Vikings, attacked the monasteries and villages near the water and robbed them. 2) King Alfred the Great of Wessex was the ...
Sunday, April 8, 2012 at 6:43pm

Physics (12th Grade)
The isothermal bulk modulus of elasticity of a gas is 1.5 * 100000 N/m^2. What will be its adiabatic bulk modulus of elasticity?
Sunday, April 8, 2012 at 1:15pm

Physics (12th Grade)
What will be the amount of work done in increasing the volume of 10 mols of an ideal gas from one litre to 20 litre at 0C?
Sunday, April 8, 2012 at 1:08pm

6th grade math
The vertices of triangle ABC are a(8,23) B(2,2) C(2,8). What are the coordinates of the vertices if the triangle is reflected across the x-axis? is it A(8,2) B(2, -2) C(2, -8)?
Friday, April 6, 2012 at 1:45pm

alegbra
Coach Willful believes that the best sixth-grade soccer players are 58 inches tall, and he will accept his ideal as players on his team. why does the equation:|58-h|<4 express the height,h, of coach Willful's team players?
Thursday, April 5, 2012 at 10:14pm

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 at 6:42am

Health: 6th grade
What do you do if someone needs a splint?
Wednesday, April 4, 2012 at 11:51pm

6TH GRADE MATH HELP!!!
Estimate the percent discount Ling will get if the customer usually pays if the phone is 7.95 and the price now is 6.76
Wednesday, April 4, 2012 at 4:44pm

6th grade geography, France
Why do you think that the central government of Spain granted the Basques limited autonomy? How did political conditions and economic activities in Portugal change. How does Spain differ physically, economically, and culturally from the rest of Europe? Please, please, please ...
Tuesday, April 3, 2012 at 8:25pm

8th grade math
A quiz had only 3-point questions and four-point questions. The best possible score is 100, and there are 29 questions. How many 4-point questions are there?
Tuesday, April 3, 2012 at 6:23pm

6th grade geography, France plz help ASAP
which of the following is not true about the po river valley? a. the region is the country's most productive agriculture area b. the region is the site of Italy's major cultural center c. about 2/3 of italy's factory products are made in this region. I think it is...
Tuesday, April 3, 2012 at 4:03pm

Math
If I missed 24 problems out of 40, what is my grade?
Tuesday, April 3, 2012 at 9:57am

Science 7R - The Human Body Prep Test
I have a test tommrrow on the The Human Body and I asked my science teacher if she can post a castle learning assignment about the Human Body (the day before the test she always post a caslte learning assignment for us to study and do well on the test the next day) and then ...
Monday, April 2, 2012 at 7:41pm

3rd grade math mrs spadini
is a centiliter a greaer measure than a milliliter? Explain
Monday, April 2, 2012 at 6:31pm

Jobs(9th)
We are finding out what people do for their jobs. My job I got was an Interior Designer and I have to find out more about it but I need help. Description and Duties: I put Plan,design,and furnish interiors of homes and buildings. Education and Training:I put They look for high...
Monday, April 2, 2012 at 4:45pm

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