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October 23, 2014

October 23, 2014

Post a New Question | Current Questions

**5th grade math**

suppose you are building a fence for a garden in your yard. your yard is 50 ft wide and has an area of 500 square ft. your father has 88 feet of garden fencing,so your garden has to have a perimeter of 88 ft. how big an area would you set aside for your garden?
*Wednesday, August 28, 2013 at 10:54pm*

**5th grade math**

suppose you are building a fence for a garden in your yard. your yard is 50 ft wide and has an area of 500 square ft. your father has 88 feet. how big an area would you set aside for your garden?
*Wednesday, August 28, 2013 at 10:05pm*

**Probability**

Last semester, a certain professor gave 33 As out of 211 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)
*Wednesday, August 28, 2013 at 1:18pm*

**science-- grade 8**

Scientific experiments must be able to be repeated by multiple scientists to verify the results that are obtained. Which of the following is an example.... a. Why do people like to watch television? b. Does the mass of a rocket affect the distance it can travel? c. What makes ...
*Tuesday, August 27, 2013 at 10:49pm*

**Portrait of the Artist- James Joyce grade 8 **

In A Portrait of the Artist as a Young Man by James Joyce, what does smugging mean?? kathi ♥4everneverlasts</3
*Tuesday, August 27, 2013 at 10:36pm*

**Poetry/British Literature/12th grade **

Which of the following poems is a dramatic monologue? (A) "My Last Duchess" (B) "Love Among the Ruins" (C) Childe Roland to the Dark Tower Came (D) all of these
*Tuesday, August 27, 2013 at 4:13pm*

**Probablity**

Last semester, a certain professor gave 43 As out of 242 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)
*Monday, August 26, 2013 at 12:50pm*

**8th Grade Math**

5/2t - t = 3 + 3/2t I'm having a hard time to solve this problem >.<
*Monday, August 26, 2013 at 11:38am*

**dynamics**

the power developed by a man in riding up a 6percent grade at a constant speed is 200w.the man and his bicycle have a combinoed mass of 80kg.determined the speed of riding
*Monday, August 26, 2013 at 9:46am*

**8th grade math**

On my math worksheet it says, and I quote "Describe the following pattern(s) and determine the next two terms:" and then this little booger comes up. And honestly, I can't figure it out for the life of me! So if you could help it would be greatly appreciated! ...
*Sunday, August 25, 2013 at 6:39pm*

**math**

what does the word array mean in 3rd grade
*Friday, August 23, 2013 at 8:17pm*

**Math 4th grade **

Write the word form and tell the value of the underline digit for each number 488, 423, 046
*Friday, August 23, 2013 at 12:28am*

**8 grade math**

Can somebody please help me I don't understand this problem.? Determine whether each ordered pair is solution of y=x+3. 1. (2, 9) 2. (5, 23) can you please explain this to me step by step till you get the answer .thank you so much.
*Thursday, August 22, 2013 at 11:12pm*

**3 grade math **

Use the digits 3, 7, 1, 5 to write a number that rounds to each of the following 2,000 3,500 6,000 7,400
*Thursday, August 22, 2013 at 8:49am*

** 9th grade Geography **

how were natural resources important in shaping the Midwest's industries?
*Wednesday, August 21, 2013 at 9:48pm*

**Math/Statistics**

A statistics teacher believes that the final exam grade for her elementary stats class have a normal distribution with a mean of 82 and a standard deviation on 8. Find the score which separates the top 10% of the scores from the lowest 90% of the scores.
*Sunday, August 11, 2013 at 8:51pm*

**8th Grade Math**

ABCD is a parallelogram where AO and BO bisect angles A and angle B respectively. What is the measure of ∠AOB? What's the answer? Thanks!!!! :)
*Saturday, August 10, 2013 at 5:28pm*

**math**

a student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?
*Saturday, August 10, 2013 at 3:09pm*

**ECE311 Early childhood curriculum**

1. Primary-grade teachers should encourage students to __________ a.downplay the importance of grammar and spelling. b.experiment with invented spelling. c.use critical thinking skills when writing. d.read more picture books.
*Friday, August 9, 2013 at 10:15pm*

**math**

To obtain a final average of 80 % in a certain subject, what grade must a student earn in a test after having an average of 77.5 % in four examinations ?
*Saturday, August 3, 2013 at 10:52am*

**math**

how many ways can you make 45 cents with pennies, dimes, nickels,and quarters????? help me as fast as you can this is worth 1/2 my grade
*Thursday, August 1, 2013 at 8:08pm*

**grade 3 math**

write a word problem that uses multiplication and the product is 18
*Wednesday, July 31, 2013 at 5:45pm*

**Karnataka state university**

A baThe power developed by a man in riding up a 6 percent grade at a constane speed is 200 W the man and his bicycle have a combined mass of 80 kg.Determine the speed of rding
*Monday, July 22, 2013 at 9:44pm*

**Dynamics**

the power developed by a man in riding up a 6 percent grade a ta constant speed is 200 W. the man and his bicycle have acombind mass of 80kg.determine the speed of riding.
*Monday, July 22, 2013 at 12:12pm*

**dynamics**

the power developed by a man in riding up a 6 percent grade at a constant speed is 200w. the man and his bicycle have a combined mass of 80 kg. Determine the speed of riding
*Monday, July 22, 2013 at 9:36am*

**Math 6th grade**

What is smart estimation to determine an estimation range.
*Wednesday, July 17, 2013 at 8:35pm*

**Biology **

Is there any biology websites for teens??? (NOT games! notes and quizzes to practice). The Science of Biology The Chemistry of Life Cell Structure and Function Photosynthesis & Respiration Something REALLY easy to understand(btw I'm going to the 9TH GRADE). please help (...
*Wednesday, July 17, 2013 at 6:01pm*

**math**

Your station charges $16.50 for a lubrication job. As a promotion you sell six coupons for lubrication jobs for $90. What percentage discount are you offering for customers who purchase the 6-coupon lube book? Discount (to the nearest tenth) = % The answer I got was 9% & my ...
*Tuesday, July 9, 2013 at 8:39pm*

**Statistics!!!**

c. The correlation between number of friends and grade point average (GPA) for 50 adolescents is .37. Is this significant at the .05 level for a two-tailed test?
*Monday, July 8, 2013 at 4:21pm*

**math 4 grade**

question which is greater - are they equal - or not enough info 18K 17K the answer says its not enough info but 18 is always bigger than 17
*Wednesday, June 26, 2013 at 6:58am*

**math 4th grade**

the land area of a country with 20 people per square kilomoter or the land area of a country that measures 500,000 square kilometers can anyone explain how to do this
*Wednesday, June 26, 2013 at 12:09am*

**math 4th grade**

the land area of a country with 20 people per square kilomoter or the land area of a country that measures 500,000 square kilometers can anyone explain how to do this
*Wednesday, June 26, 2013 at 12:09am*

**math 4th grade**

the land area of a country with 20 people per square kilomoter or the land area of a country that measures 500,000 square kilometers can anyone explain how to do this
*Wednesday, June 26, 2013 at 12:09am*

**grade 4 math**

exponential form of 59,187
*Thursday, June 20, 2013 at 10:34am*

**grade 10 math**

on a line the distance between 2x and 7x plus 80 is 142. Solve for x
*Tuesday, June 18, 2013 at 4:13am*

**Math 8th Grade**

I have a bunch of nickels and quarters worth $7.85 in my [pocket. How do I write a system of equation to solve and determine how many of each coin I have!!
*Wednesday, June 12, 2013 at 8:27pm*

**math**

I gave a test that had 50 items on it. I can only enter a grade of 20 total points if all are answered correctly. So, how much would each answer be worth?
*Wednesday, June 12, 2013 at 1:45pm*

**Calculus Grade 12**

Without solving , determine the points of intersection of the line r= (5,-9,3) +k (1,-12,2] and the plane [x,y,z]= (4,-15,-8) + s[1,-3,1] + t[2,3,1], if any exist.
*Monday, June 10, 2013 at 5:18pm*

**Calculus grade 12 lines and planes**

Find the value of k so that the line [x,y,z] = [2,-2,0]+ t[2,k,-3] is parallel to the plane kx +2y - 4z= 12
*Monday, June 10, 2013 at 5:12pm*

**Calculus Grade 12**

Determine the value of k such that the points (4,-2,6), B(0,1,0) and C(1,0,-5) and D (1,k,-2) lie on the same plane.
*Monday, June 10, 2013 at 3:36pm*

**Calculus Grade 12**

Find the equation of the plane that passes through the point (3,7,-1) and is perpendicular to the line of intersection of the planes x-y-2z+3=0 and 3x-2y+z+5=0
*Monday, June 10, 2013 at 3:32pm*

**Math**

Nicole drew a circle on the chalkboard that had a radius of 15 cm. Which is closest to the circumference in centimeters of the circle she drew on the board? A.30cm B.45cm C.24cm D.90cm D Which statement is not supported by the information in the graph? 6th graders 188 boys 192...
*Tuesday, June 4, 2013 at 6:21pm*

**English 8R - HW CHECK (PLZZZ READ!)**

Please read my essay to see if it's good. PLEASE LET ME KNOW IF THERE ANY OTHER DETAILS I COULD ADD! I REALLY want to get a good grade for assignment and this is my FINAL GRADE! Should the story of Anne Frank and the Holocaust be taught in Middle School? The story of Anne ...
*Thursday, May 30, 2013 at 8:22pm*

**Math - 8th Grade**

Please help: The distance from home plate to second base on a softball diamond is 84.853 feet. This is the same as the distance from first base to third base. What is the area of a softball diamond? Round your answer to the nearest square foot. 1,800 ft.2 3,558 ft.2 7,200 ft.2...
*Wednesday, May 29, 2013 at 9:22pm*

**5th grade math**

what is the common denominator to 3/5, 1/3, and 1/6
*Tuesday, May 28, 2013 at 4:48pm*

**7th grade Science**

1. The atmosphere of Earth is an example of a ______solution.(1point) liquid-liquid gas-liquid gas-gas** solid-liquid Am I correct?
*Monday, May 27, 2013 at 10:31pm*

**Grade 11 english**

I have to compsre revenge in Wuthering Heights by Emily bronte and the contemporary issue of politics. I am doing a powerpoint presentation and it should be 5 minutes long. So what do you suggest my slides be and howmany. Please help me I really don't know how to compare ...
*Saturday, May 25, 2013 at 8:09pm*

**6th grade science**

The erosive energy of rivers alters landscapes over periods of millions of years. Which of the following increases a river's rate of erosion? A)low gradient B)high discharge C)small load D)decreased speed
*Wednesday, May 22, 2013 at 11:24pm*

**Pre-calculus**

As you drive down a mountain, you see a sign that says there is a 6 degree grade over the next 5 miles. What is the change in elevation over that 5 mile stretch?
*Wednesday, May 22, 2013 at 8:41pm*

**Math 7th Grade**

A bag contains 5 red,2 blue,and 4 white marbles. What is the probabiltiy If Sam picked a red marble replaced it and picked a white marble?
*Wednesday, May 22, 2013 at 5:23pm*

**life orientation grade 12**

in 10-15 lines critically discuss 5 ways in which global warming impacts on the community
*Tuesday, May 21, 2013 at 8:19pm*

**4 grade math**

Find two mixed numbers so that the sum is 15 3/10 and the difference is 8 5/10
*Tuesday, May 21, 2013 at 8:11pm*

**7th grade math (help!)**

Hey! 2y-8y=-4 Do I subtract or do I add?!? Something like that right?!?
*Tuesday, May 21, 2013 at 7:22pm*

**4th grade math**

Find two mixed numbers so that the sum is 8 4/8 and the difference is 2 2/8
*Tuesday, May 21, 2013 at 7:18pm*

**Grade 12 LIFE ORIENTATION**

Discribe the lifestyle disease/behaviour.Mention 5 factors that contribute to the disease/behaviour
*Tuesday, May 21, 2013 at 3:55pm*

**Math- 5th grade**

Shauna baked bread rolls to sell at a school fair. 2/5 of the rolls were chocolate rolls, 1/3 were raisin rolls, 1/4 of the remainder were strawberry rolls, and the rest were vanilla rolls. What fraction of the rolls were vanilla rolls?
*Tuesday, May 21, 2013 at 1:03am*

**7th grade math**

Hello there! I am totally confused what does x = 4x+3+2x= 54/9 Thank you ;) & please help me!?!
*Monday, May 20, 2013 at 7:45pm*

**7th grade math help**

Hi I need help on how many outcomes are possible for these? For breakfast choices possibilities. I tried, but I feel like I am not getting it. Coffee (c) orange Juice (o) scarmabled (s) hard boiled (h) poached (p) bagel (b) toast (t) Please help??
*Monday, May 20, 2013 at 6:26pm*

**7TH GRADE MATH**

If the radius of a cylinder is 1.8 meters and its height is 7 meters, the volume of the cylinder is approximately 71.2 cubic meters...true or false I say false because shouldn't it be 71.2 cubic 3? Am I correct?
*Sunday, May 19, 2013 at 4:53pm*

**chemistry**

Describe the preparation of 2litre of 0.05molar silver from the primary standard grade solid.
*Sunday, May 19, 2013 at 2:11am*

**chemistry**

Describe the preparation of 2litre of 0.05molar silver from the primary standard grade solid.
*Thursday, May 16, 2013 at 3:05am*

**Leadership Quality**

Is staying after school to help file papers and grade papers a leadership quality?
*Wednesday, May 15, 2013 at 8:49pm*

**7th Grade Math ~Multiplying Polynomials**

1. (2x)(10x) (1point) 20x 12x 20x^2** 5x 2. -3m(m+8) (1point) -3m^2+24 -3m^2-24m** -24m^2 -4m+5 3. 4d(2d-9) (1point) 8d-36d -d -28d^2** 8d^2-36d 4. 5b(6b-10) 11b-10 5b^2+6b-10 -b-10 30b^2-50b** Are these right
*Tuesday, May 14, 2013 at 8:56pm*

**4th grade math**

Hi! This question says Joe is thinking of o function machine.He says that the output is 12 if the input is 4.what are 2 rules that he could be thinking of for his function machine?( I would really be grateful if you helped me) ;)thanks
*Tuesday, May 14, 2013 at 8:37pm*

**7th grade math**

Horses, pigs and cows is really easy I can do it in my head but, my teacher told me I would have to start showing my work. I really have no clue how to do that I have always done it in my head. Can you pretty please help me I would gladly appreciate it. Thank you. :)
*Tuesday, May 14, 2013 at 8:13pm*

**7th grade math**

How does functions in math relate to what you put into it is what you get out of it? Can you explain for me? i'm thinking it doesn't really? one example if you can like in sports or goverment? Don't know.
*Tuesday, May 14, 2013 at 6:26pm*

**8need a function rh grade math**

a 154 lb person burns 420 calories per hr riding an exercise bike at 15 mph. Need a function rule to represent the total calories burned over time.
*Tuesday, May 14, 2013 at 2:36pm*

**5th grade math (dividing fractions)**

Can you check this problem? How many twelfths are in one sixth? work: 1/6 divided by 1/12 = 1/6 * 12/1 = 2 ans= 2
*Monday, May 13, 2013 at 7:40am*

**Math**

I made a 95 on a test of 20 questions, but it took 35 tries. What is my real grade?
*Sunday, May 12, 2013 at 3:16pm*

**Grade 12 Calculus **

solve cosx= (squareroot3)/ 2 where 0 <(with a line underneath) x <(with a line underneath) 2 pie a) how many solutions are possible? b) in which quadrants would you find the solutions? c) determine the related angle for the equation. d) determine all the solutions for ...
*Saturday, May 11, 2013 at 11:43pm*

**Grade 12 Calculus **

I need helping in filling in the blanks/ -the angle formed at the centre of the circle by two radii is the _______ angle. -cos delta, sin delta, tan delta are known as the ___________trigonometric ration -cos (pie/2 - x)=sinx is an example of a ________ identity
*Saturday, May 11, 2013 at 11:42pm*

**Social studies**

whats a 7th grade social studies word that begins with Y?
*Thursday, May 9, 2013 at 8:18am*

**4th grade english**

i need help diagramming subjects,predicates,adjectives adn adverbs
*Wednesday, May 8, 2013 at 9:42pm*

**grade 12**

describe the life style disease/ behaviour and explain 5 factors that contribute to cancer of the gullet.
*Wednesday, May 8, 2013 at 3:46pm*

**stats**

It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher scores indicate higher ...
*Wednesday, May 8, 2013 at 1:20pm*

**Math**

You estimate there is an 80% chance you will get an A on your math final, and a 75% chance you will get an A for your semester grade. What is the probability that both will happen?
*Tuesday, May 7, 2013 at 8:47pm*

**Technology Skills class???? Grade 9???**

So I got accept to this Catholic private high school. So we are required to take "Technology Skills". What am I going to learn in this class??????
*Tuesday, May 7, 2013 at 6:23pm*

**12th grade goverment**

who could vote in elections for colonial legislatures
*Tuesday, May 7, 2013 at 10:11am*

**5th grade math**

What is 508 times 7?Thanks if you help:)
*Monday, May 6, 2013 at 4:42pm*

**4th grade math**

Bryan is putting fencing around his new rectangular vegetable garden. He uses 140ft of fencing material. How wide is the garden? Ther is a rectangular diagram that shows the bottom number is 40ft
*Monday, May 6, 2013 at 4:35pm*

**7th Grade Math**

What is the measure of an exterior angle of a regular polygon in which the sum of interior angle measures is 5400 degrees? A. 11.25 degrees B. 30 degrees C. 32 degrees D. 168.75 degrees
*Sunday, May 5, 2013 at 2:54pm*

**6th grade math**

How do you do square route i know a little like square route of 9 is 3 but i need more practice with square routes do you know any websites that can help.
*Thursday, May 2, 2013 at 5:08pm*

** 5th grade Math**

How do you add fractions with different denominators? Thanks if you help :)
*Wednesday, May 1, 2013 at 3:33pm*

**6th grade grammar please help**

I need a good grade in grammar so please check my answers! Identify the object of the preposition in each of the following sentences. 1. Ashley and her father arrived home from work. a. and b . father c. from d. work 2. Ashley’s bedroom was across the hall. a. bedroom b. ...
*Tuesday, April 30, 2013 at 9:20pm*

**4th grade math**

Thank you every much. Have a great night.
*Tuesday, April 30, 2013 at 9:15pm*

**4th grade math**

So far John has run 1/4 of the way to school and walked 3/8 of the way. what fraction of the distance to school does John have left.
*Tuesday, April 30, 2013 at 8:59pm*

**3rd grade math**

draw a box that has 3 valumes of 12 cubic units in 3 different ways
*Tuesday, April 30, 2013 at 8:03pm*

**7th Grade Math**

If a diameter of a circle (which is 18 inches) is tripled, can the expression 9 (254.34 in square) be used to find the new circle? I know the answer is yes but I can't figure out how you work it! I come with 9(1,107.36 in square) but apparently that is not correct.... ...
*Tuesday, April 30, 2013 at 6:23pm*

**4 grade math**

gina ate 1/6 of an apple pie. Greg ate 1/2 of the same apple pie. how much of the apple pie was left
*Tuesday, April 30, 2013 at 5:51pm*

**grade 12 chemistry**

explain the concept of a “stock solution” and standard solutions as if you were explaining it to a friend who is not studying chemistry.
*Tuesday, April 30, 2013 at 3:18am*

**5 th grade math**

pilar has 4 marbles in a bag .they are green,red,blue,and yellow.she chooses a marble without looking,replaces it,and then chooses another marble.if she wants to get a green marble exactly 1 time out out of the 2 draws,how many favorable outcomes are possible?
*Sunday, April 28, 2013 at 1:33pm*

**math**

jim has grades of 84, 65, 76 on three tests. what grade must he obtain on the next test to have an average of exactly 80% for all four tests?
*Saturday, April 27, 2013 at 9:36pm*

**science and english only for ms sue**

what the steps to the water cycle and what is the writing process and what the steps for 7th grade and please help me as soon as possible please ms. sue...
*Wednesday, April 24, 2013 at 5:39pm*

**statistikc **

We want a confidence interval for the mean IQ of all the 7th grade girls in that school district. We do not know the population standard deviation so we use the confidence interval that uses the t. In order to use the t-interval we need to assume that the variable IQ has a ...
*Wednesday, April 24, 2013 at 11:15am*

**10 grade algebra**

In the following system of equations, what does x equal? -10x - 2y = 56 6x - 2y = -40 x = 6 or x = -6 or x = 2 or x = -2
*Wednesday, April 24, 2013 at 9:45am*

**10 grade algebra**

15. In the following system of equations, what does x equal? -10x + 4y = -64 -10x - 8y = -112
*Wednesday, April 24, 2013 at 9:29am*

**6th grade Math**

I need help on the problem below. The instructions say to "factor the expression" and the expression is: -.2x^2 + 80x -6000. Thanks
*Tuesday, April 23, 2013 at 6:44pm*

**5th grade math (word problems)**

Problem: A receipe for 4 dozen cookies requires 1 1/2 cups of flour. How much flour is needed for 1 dozen? work: 4 divided by 1 1/2 = 4/1 x 3/2 = 4/1 x 2/3 = 8/3 cups of flour Can you explain why i don't need to change 4 dozen to 48 and then divide by 1 1/2?
*Tuesday, April 23, 2013 at 5:25pm*

**Psychology**

Dr. Allen is trying to determine the best method by which to draw a comparison between the amount of time his students spend in the library to the grade point average of his students across the spectrum. Which research design should Dr. Allen follow, and why? Answer ...
*Tuesday, April 23, 2013 at 4:10pm*

**Algebra 2**

Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not have bias?
*Tuesday, April 23, 2013 at 7:19am*

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