Tuesday

July 29, 2014

July 29, 2014

Post a New Question | Current Questions

**health **

It’s been widely reported that having a positive attitude will improve a person’s ________. A. Physical health B. Mental health C. Grade point average D. Both A and B B?
*Friday, August 3, 2012 at 10:02pm*

**Dynamics**

The power developed by a man in riding up a 6 percent grade at a constant speed is 200 w. The man and his bicycle have a combined mass of 80 kg. Determine the speed of riding
*Tuesday, July 31, 2012 at 1:55am*

**9th grade math**

How does 3 and5/8 minus1 and3/4 equal1 and3/4
*Thursday, July 26, 2012 at 3:01am*

**9th grade math**

How does 3 and5/8 minus1 and3/4 equal1 and3/4
*Thursday, July 26, 2012 at 3:01am*

**9th grade math**

How does 3 and5/8 minus1 and3/4 equal1 and3/4
*Thursday, July 26, 2012 at 2:55am*

**statistics**

1. How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis
*Wednesday, July 25, 2012 at 1:22pm*

**math advanced functions grade 12**

Find the solution set to the following rational inequality, 240/x+8 > 20x/x+1
*Tuesday, July 24, 2012 at 6:25pm*

**Principle processes of flotation separation of Pol**

Direct Preferential Flotation Definition of this method is: separate various helpful minerals in proper order. With its feature of high flexibility, it can adapt the change of ore grade, especially for sulphide ore of high grade. Xilin, Fankou, Lechang lead-zinc dressing plant...
*Sunday, July 22, 2012 at 10:08pm*

**math grade 12**

What is the arc length if the central angle is 225 degrees and the radius of a circle is 3 cm? pls help. i don"t get it
*Saturday, July 21, 2012 at 8:41pm*

**math grade 12**

i need to know the mathematical model for finding the cooling of a hot liquid. and what the letters mean. pls help thanks
*Wednesday, July 18, 2012 at 2:47pm*

**math grade 12**

how to solve log basex 8=-1/2 pls help
*Tuesday, July 17, 2012 at 6:30pm*

**Psychology**

Nisa has grown up in a small village in the foothills.There was no electricity,and water had to be hand-pumped.They seldom saw people from the "outside."When she entered school,the bus had to pick her up at 6:30 a.m.in order for her to arrive at school by 8:30 a.m....
*Tuesday, July 10, 2012 at 9:42am*

**physics**

suppose your car is on a 5% grade,if your car weighs 15,000N what is the component of its weight parallel to the road?
*Saturday, July 7, 2012 at 4:12pm*

**8th Grade English **

Basic Skills Survey???? I went on my school's website for 8th grade this what we be doing in september: English Diagnostic Basic Skills Survey Summer Reading Assessment Friendly Letter Review Business Letter i already know about the summer reading and friendly letter thing...
*Saturday, July 7, 2012 at 3:59pm*

**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 at 8:39am*

**Grammar **

What does nonessential appositives and appositive phrase or phrases mean? (It's the common rules 3a.. Untit 5, 7th Grade.)
*Wednesday, June 27, 2012 at 10:05pm*

**4 grade array NEED ASAP!!**

whats an array? and how would i show it with plastic dimes. i need to help kids find 8 x 70 can you explain how you would do it??
*Tuesday, June 26, 2012 at 12:24pm*

**Grade 12 Calculus University **

Hello ^___^ Please help me! Thank you very very much! Determine if the planes are parallel. [x,y,z] = [1,2,2] + s[0,-1,0] + t[0,0,1] [x,y,z] = [1,0,-3] + s[0,0,1] + t[-1,0,0] thank you ^__^Y
*Thursday, June 21, 2012 at 4:10pm*

**Calculus grade 12**

find the slope of the tangent line to y^4 = 3x^2 - 2x at the point (1,1)
*Thursday, June 21, 2012 at 2:15pm*

**Calculus grade 12**

find dy/dx by implicit differentiation a) xy + x^5y^2 + 3x^3 - 4 = 1 b) lny = cos x thank you
*Thursday, June 21, 2012 at 1:50pm*

**Calculus grade 12**

hi i need help differentiating these.. 1. y = cos(3x^2 + 2x) 2. y = ln(3x^2 + 5) thank you
*Thursday, June 21, 2012 at 1:46pm*

**us history grade 7**

what are the pros and cons of the fur trade?
*Thursday, June 21, 2012 at 11:01am*

**Grade 11 Math**

From a window in apartment building the angle of evaluation from the top of the flag pole across the street is 9 degrees. The angle of depression is 22 to the base of flag. How tall is flag pole to the nearest of tenth meter?
*Sunday, June 17, 2012 at 6:31pm*

**Calculus Grade 12 **

determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6
*Friday, June 15, 2012 at 3:13pm*

**Calculus Review for exam grade 12, please help.**

use the derivatives of y=sinx and y=cosx to develop the derivative of y=tanx
*Friday, June 15, 2012 at 3:12pm*

**math**

ok i have 10th grade math next year and i dont even know half the stuff for this year and its summer brake and im worrying about math..what do i do
*Thursday, June 14, 2012 at 2:53am*

**angebra**

ok i have 19th grade algebra next yeah and i dont even know half the stuff from thid year...soo what di i do cuz i am totsly going to fail i mrn itd summy snd im worried about algebra
*Thursday, June 14, 2012 at 2:51am*

**3 grade math ms sue**

1- Michael used addition to find 8*100 and he said product is 80. What did he do wrong? my son did it- the product is not 80 it's 800. 8*100=800
*Wednesday, June 6, 2012 at 4:14pm*

**fourth grade math**

the passengers of a cruise ship were shocked to learn that their ship was sinking. the ship is 218 ft tall and is sinking at the rate of 1/2 ft per minute. how long do the passengers have to abandon the ship?
*Tuesday, June 5, 2012 at 8:40pm*

**to ms.sue**

when i went on my school website: philasd dot org: mayfair school, the summer project for going to 5th grade was confusing and what does it mean by diagnol, across?
*Tuesday, June 5, 2012 at 8:39pm*

**3 grade math ms sue**

1-Two shapes can be put together in different ways. using the triangles in exercise 1,draw pictures to show an example. my son need help in here please help my son thank you
*Tuesday, June 5, 2012 at 4:12pm*

**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 at 10:14pm*

**math**

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major test is worth 21%, ...
*Sunday, June 3, 2012 at 1:39pm*

**business writing **

has anyone wrote a business letter to a human resouse for a grade? Please give me tip on this type of paper
*Saturday, June 2, 2012 at 1:23am*

**9th Grade Algebra**

4x^2-11x+3=5x+4 How do I solve this?
*Thursday, May 31, 2012 at 2:53pm*

**Introduction to Psychology**

Alexander, a fifth- grade teacher, believes that Kimberly's behavior is a result of poor parenting, The school concerned with her inability to focus, attend to directions, and recall information from the previous day or events from earlier in the day.
*Wednesday, May 30, 2012 at 11:37am*

**3rd grade math **

Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways can Sam complete ...
*Tuesday, May 29, 2012 at 11:33pm*

**3rd grade math **

Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways can Sam complete ...
*Tuesday, May 29, 2012 at 11:33pm*

**10th grade chemistry**

If an excess of nitrogen gas reacts with 25.0 L of hydrogen gas, according to the reaction below, how many L of ammonia will be produced? N2(g) + 3H2(g) ---> 2NH3(g)
*Tuesday, May 29, 2012 at 6:27pm*

**Math (grade 10)**

On the design plan for a garden, a straight path suns from (-25,20) to (40,36). A lamp is going to be placed at the midpoint of the path. Determine the coordinates for the lamp.
*Monday, May 28, 2012 at 6:12pm*

**6th grade math**

Find the volume of the right triangular prism. The bases are equilateral triangles with a length of 6 mm. The height of the prism is 8.4 mm. (Round to the nearest tenth.)
*Monday, May 28, 2012 at 3:29am*

**Calculus Grade 12 University**

8. Find the vector equation of the line in which the 2 planes 2x - 5y + 3z = 12 and 3x + 4y - 3z = 6 meet.
*Saturday, May 26, 2012 at 1:27am*

**Calculus grade 12**

7. Where does the line r = (1, 2, -5) + t (2, -3, 1) meet the plane 2x + 5y - 3z = 6?
*Saturday, May 26, 2012 at 1:27am*

**math sixth grade**

The square chessboard has an area of 196 square inches what is the length on inchesof one side of the chess board
*Thursday, May 24, 2012 at 7:00pm*

**3 grade math ms sue**

1-Explain how you can use a number line to show that 3/6 and 1/2 are equivalent fractions. my son write- you can show these fractions are equivalent because if the numerator is half of the denomirator it can be 1/2 so 3/6 is just like 1/2. so thats why they are equivalent. ...
*Wednesday, May 23, 2012 at 8:28pm*

**English 12 grade**

which pilgrim had the false holy relics? The caterbury Tales.
*Monday, May 21, 2012 at 7:51pm*

**12 grade**

Chaucer accuses the doctor and the apothecary of dishonesty. what exactly does he say about them?
*Monday, May 21, 2012 at 7:48pm*

**8th grade math**

please help one blade of a fan is parallel to the floor. what degree of rotation of the fan puts the blade at the top of the fan
*Monday, May 21, 2012 at 6:12pm*

**8 grade**

27.6 x 5.2 my answer is 138.00 is this right
*Monday, May 21, 2012 at 5:54pm*

**English 12 grade**

Which pilgrim preferred books to food and clothe?
*Monday, May 21, 2012 at 5:39pm*

**8th grade math**

algebraic expression using words from the sum of a number,x,and9
*Monday, May 21, 2012 at 5:17pm*

**8th grade math**

how do you solve x+1/10= a whole number
*Monday, May 21, 2012 at 12:04pm*

**6th grade science**

the purpose of including a control in an experiment is to provide_______. can someone please help me solve what the blank/____ is???
*Saturday, May 19, 2012 at 9:56pm*

**6th grade history**

Where did the mound builders live???
*Saturday, May 19, 2012 at 4:37pm*

**5th Grade Writing**

do you use its or it's in this sentence "The horse hurt _____ leg"?
*Thursday, May 17, 2012 at 8:44pm*

**Math Problem ( 6th grade math)**

Brandon tosses a coin 500 times. The coin lands on tails 320 times. A: What is the experamental probability of getting heads? B: Is the coin fair or unfair? Explain you answer.
*Wednesday, May 16, 2012 at 4:15pm*

**5th Grade Math Algebraic Expressions**

What is the algebraic expression for six is fifteen less than three times a number?Please Help.! -Keke
*Tuesday, May 15, 2012 at 7:12pm*

**6 grade math**

Can you help me with this integer problem? -8+6+(-10)+(-2)*(-10) is it 8????
*Tuesday, May 15, 2012 at 6:17pm*

**grade 11 math**

at giant tv sales, you can chose between 2 payments options for a new tv. 1st option is 2 pay $2399.99. 2nd option is to pay a $399.99 downpayment plus $2200.00 after one year. if interset is 4.2% per year, compunded quarterly, wich option is a better deal
*Tuesday, May 15, 2012 at 3:49pm*

**8 th grade math**

each side of square is 6 in. long . a scale factor of 2/3 is used to draw a similar square. how long is each side of similar square . choices are 4in. ,6 in., 8in. ,answer not here i chose 8 in. is that right
*Monday, May 14, 2012 at 9:53pm*

**math 8th grade**

perimeter of a rectangle is 32 in. wnat are the length and width that will give the rectangle the largest possible area? choices are 4in x 12in. ,5in.x 11 in.,7 in.x 9 in. ,8 in. x 8 in. i think 4 in. x 12in
*Monday, May 14, 2012 at 9:32pm*

**math 8th grade**

if length and width of a 3in. x5 ln. photo are tripled what scale factor relates the area 3,9,12,27 i answered 27 is this correct i tried 9 but got no answer
*Monday, May 14, 2012 at 9:22pm*

**math 8th grade**

22 points in game 1,18 points in game2, 20 in game 3 what was their mean score for these 3 games i answered 20 is that right
*Monday, May 14, 2012 at 8:50pm*

**8th grade math **

length and width of a 3ln. x 5jn. photo are tripled what scale factor relates the areas choices are 3,9,12,27 i chose 3 because it said triple is that right
*Monday, May 14, 2012 at 8:31pm*

**8 th grade math**

12 is 150% of what number choices are 8,10, 18, 24 i answered 8 is that right?
*Monday, May 14, 2012 at 8:13pm*

**8 th grade math**

there are 6cars,2 trucks, and 2 motorcycles in parking lot. what is the probability that the first vehicle will be a truck? choices are 1/10 ,4/5, 1/5 or answer not here . i answered 1/10 is this right
*Monday, May 14, 2012 at 7:50pm*

**8 th grade math**

ann batted 12 times and made 9 hits what is the percent of her times to bat i put 66 2/3 is that right or it could be 75%
*Monday, May 14, 2012 at 7:38pm*

**8 th grade math**

length and width of a 3in x 5 in photo are tripled what scale factor is used i put 9 id that right
*Monday, May 14, 2012 at 7:33pm*

**8 th grade math**

perimeter of rectangular is 32 in .what are the length and width that will give the rectangle the largest possible area 4in,x12in. 5in.x11 in. ,7in. x9in. ,8in x8in. i answered 8x8
*Monday, May 14, 2012 at 7:28pm*

**8 th grade math**

what is length of hypotenuse 16m is bottom measure and 12 m is side i added them together and got 28m is this right
*Monday, May 14, 2012 at 7:13pm*

**8 th grade math**

a stack of fierwood is 8ft.x4ft.x4ft wood costs 1.00 per cubic foot what is total cost of stack 64.00
*Monday, May 14, 2012 at 6:56pm*

**8th grade math **

is 2/3 a fraction that can be renamed as a repeating decimal
*Monday, May 14, 2012 at 6:51pm*

**8 th grade**

person 6 ft.tall casts a shadow of 8 ft. long what is height of nearby building that casts a 72 ft shadow at same time
*Monday, May 14, 2012 at 6:22pm*

**8 th grade math**

3in.x 5in. photo are triped what scale factor is used
*Monday, May 14, 2012 at 6:16pm*

**Soanish-8th grade please check answer**

I'm not sure what they're asking in this question- are they asking where you are when you vacation? ¿Dondé te ustedes cuando de vacaciones? Answer-Yo estoy en Florida.
*Monday, May 14, 2012 at 10:35am*

**6th grade math**

Please check to make sure I did these correctly, so confusing. Thank you. Rename each fraction as a terminating or repeating decimal 13/20 .65 1/3 0.3333333333333333 2/9 0.2222222222222222 5/12 0.4166666666666667 1/16 0.0625 Rename each mixed number as a terminating or ...
*Sunday, May 13, 2012 at 9:44pm*

**Psychology**

Alexander, a fifth grade teacher, believes that Kimberly's behvior is a result of poor parenting. The school counselor is concerned with her inability to focus, attendto directions, and recall information from the prevous day or events from earlier in the day. Alexander ...
*Sunday, May 13, 2012 at 6:20am*

**track and field**

is a speed of 6.5 on a tredmill for five minutes equal to a good mark for a seventh grade girl to get 67 seconds in the 4 by 400?
*Saturday, May 12, 2012 at 8:51pm*

**poems**

does anyone know a poem about seashores and it has to be aroung grade 6 level thank u?
*Saturday, May 12, 2012 at 7:18pm*

**Soanish-8th grade Help!**

I'm trying to conjugate this in the past tense tú/presentarse would I conjugate it in past tense like this- (tú te presentaste) Something looks wrong with it
*Saturday, May 12, 2012 at 4:40pm*

**writing**

I have a dispute with my teacher in 7th grade. In referring to McCarthyism in the phrase "towards the end of this reign of terror", is "reign of terror" a metaphor? Thanks.
*Thursday, May 10, 2012 at 10:59am*

**4th grade social studies**

how did the marquette and joliet expedition affect the great lakes region?
*Wednesday, May 9, 2012 at 7:30pm*

**10th grade social studies**

how did islamic civilization spread to europe africa and asia
*Wednesday, May 9, 2012 at 7:18pm*

**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*

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