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November 25, 2014

November 25, 2014

Post a New Question | Current Questions

**Math**

Ok so my tx book says explain the dirrrefence between a unit rate and a rate in in the 6th grade and it's my first week hhheeelllppp
*Wednesday, August 29, 2012 at 7:31pm*

**math**

vina has the following grades in math 88,85,89,95 and 91.What must be her sixth grade if she wants to get an average of 90?
*Wednesday, August 29, 2012 at 10:05am*

**math**

My teacher never specifically told us how to do these type of problems and now i have 10 of the same type of questions for homework due when i come back to class 2 days. a^7b^6 ________ a^5b Im not asking for the answer but the steps to get to the answers to these type of ...
*Tuesday, August 28, 2012 at 4:24pm*

**science**

I need a sentence using the word cytoplasm and I'm in 5th grade.
*Monday, August 27, 2012 at 7:35pm*

**Physics**

A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
*Monday, August 27, 2012 at 6:18pm*

**Physics**

A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
*Monday, August 27, 2012 at 5:51pm*

**math**

I need help answering the following question: A road sign reads: "5% grade next 4 miles." What is the change in elevation from the lookout to the point four miles ahead (to the nearest foot)?
*Sunday, August 26, 2012 at 10:01pm*

**english**

As teachers on this board. How can I help my son to improve on his spelling, he is in the 6th grade?
*Sunday, August 26, 2012 at 12:35pm*

**math**

An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are integers, then a-b = a+ -b. Since addition is commutative, so is subtraction. What is your response?
*Friday, August 24, 2012 at 9:51am*

**8TH GRADE MATH EXPRESSIONS**

A catering business charges $50 for setting p a meal and $150 for enough food for 12 people. You will be using the caterer for an upcoming celebration. There will be 32 people at the party. Find the total cost to use the caterer for the party.
*Thursday, August 23, 2012 at 9:47pm*

**8TH GRADE MATH EXPRESSIONS**

THE TOTAL COST FOR 4 PEOPLE TO RIDE THE BUS IF THE FARE OF .75 IS INCREASED BY D DOLLARS.
*Thursday, August 23, 2012 at 8:45pm*

**MATH 5TH GRADE (VARIABLES AND EXPRESSIONS)**

LAURA HAD 5 MORE HITS THAN SUSAN. HOW MANY HITS DID LAURA HAVE?
*Thursday, August 23, 2012 at 8:31pm*

**5th grade english**

is cactus already plural
*Thursday, August 23, 2012 at 7:55pm*

**Algebra 8th grade**

The length of a rectangle is twice its width. If the area is 30 square units, find the dimensions of the rectangle.
*Wednesday, August 22, 2012 at 9:57pm*

**9th grade Algebra**

The question that Mr. Kirk helped me with a little while ago. I am trying to do it on my calculator this time. I cannot seem to come out with the answer. I can't seem to get a logical answer. Will you please explain it to me? I just cannot grasp it!!
*Wednesday, August 22, 2012 at 9:46pm*

**9th grade Algebra**

Did I get the right answer for this? Evaluate the expression 3x squared - 5x when x= -2 My Answer is 46. I got this by doing 3 times -2 and squaring that and then multiplying 5 times -2 and subtracting that ( negative 10 ) from 36. Is this correct?
*Wednesday, August 22, 2012 at 9:25pm*

**7th Grade Math**

In an addition problem the answer should have the same number of significant figures as the measurement with the mot decimal places. True or False? I say True.
*Tuesday, August 21, 2012 at 2:05pm*

**american legion award???**

What is american legion award??? My mom got that award when she was in 8th grade.
*Tuesday, August 21, 2012 at 9:53am*

**4th grade science**

What is a silk case covering the moth larva?
*Tuesday, August 21, 2012 at 3:33am*

**7th Grade Science**

What can be inferred after performing the experiments in the atomic theory lab? A) Where matter comes from B) How salt is formed C) If salt can dissolve in water D) If matter is created or destroyed Is it D?
*Tuesday, August 21, 2012 at 1:48am*

**Math 5 grade**

3/4 [5/2] The answer would be 15/8. Right?
*Tuesday, August 21, 2012 at 1:04am*

**8th grade math**

Hi! I need some help with absolute value. First, I want to ask is that for absolute value, is that if the absolute value is |6| then would the answer be 6 or -6? I am really confused with this so if somebody could explain this to me, it would be a big help, thank you!
*Monday, August 20, 2012 at 9:58pm*

**writing**

I am in 8th grade and I just want to see if this essay is persuasive the topic is Your surrondingss create who you are?
*Thursday, August 16, 2012 at 4:20pm*

**6th Grade Math: Proportions**

14/38=X/29. I'm still confused about figuring out what x is and getting X on its own. Please Help!!!
*Wednesday, August 8, 2012 at 7:46pm*

**6th grade math**

Cameron is making bead necklaces. Hehas 90 green beads Nd 108 blue beads. what is the greatest number of identical necklace es he can make if he wants to use all the beads
*Wednesday, August 8, 2012 at 7:19pm*

**7th grade math **

solve for k -4k-8k+7=-53 Please explain how you found your answer!! Please help!!
*Wednesday, August 8, 2012 at 3:55pm*

**Writing**

I need to write the top ten reasons I am happy to be back in school. (6th grade). What would you write?
*Tuesday, August 7, 2012 at 5:12pm*

**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*

**7th grade math**

1. Substitute: Ms.Kubagwa is six years younger than Ms. Vea. The sum of there ages is 52 years. I HAVE NO CLUE WHAT TO DO HERE!! 2.Ms.starbrowski has four more pens than Mr.Dukeman. Together they have 34 pens. How many pens does Ms.Starbrowski have? *Please explain how you ...
*Thursday, July 26, 2012 at 2:35pm*

**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*

**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*

**12th grade math**

a block of mass 77kg is placed at the top of a frictionless plane that is inclined 46degrees to the horizontal. The height of the plane is 23 meters. find the speed of the block at the bottom of the plane. Show the steps please, -thanks
*Monday, June 11, 2012 at 8:17pm*

**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*

**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*

**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*

**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 math**

each side of square is 6 in. long aq scale factor of 2/3 is used to draw similar square , how long is each side of similar square?
*Monday, May 14, 2012 at 6:47pm*

**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*

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