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July 31, 2014

July 31, 2014

Post a New Question | Current Questions

**Grade 12 Chemistry**

This is my question: AspirinTM (acetylsalicylic acid) is a monoprotic acid with molar mass of 180g/mol. An aqueous solution containing 3.3 g/L has a pH of 2.62. What percentage of acetylsalicylic acid molecules ionizes in the solution?
*Sunday, January 5, 2014 at 12:40pm*

**Elementary Math**

This is going to seem like a simple question but how do i solve this without dividing.. 5th grade math mom Question: Lester's car can go 15.4 miles on 1 gallon of gas. How far can he go on 0.7 gallons? Thanks
*Thursday, January 2, 2014 at 11:38pm*

**Statistics**

Can someone please help with this problem to advise how to set up and in the book Essential of Statistics for the Behavioral Sciences. A researcher is investigating the effectiveness of a new study-skills training program for elementary school children. A sample of n=25 third-...
*Friday, December 20, 2013 at 10:36pm*

**Math grade 9**

Find the distance from the point (5, 6) to the line x + y = 3 I don't get the x+y=3 mean
*Friday, December 20, 2013 at 8:02pm*

**Algebra 2 9th/11th grade math**

Expand each binomial. (L-2t)^2
*Thursday, December 19, 2013 at 8:35pm*

**8th Grade Language Arts Ms. Sue Help**

Select whether the sentence below is a simple, compound, complex or compound-complex sentence However, when David came to conquer the city with his army, he discovered that the Jebusites got their drinking water from a spring just outside the city walls. CxCd or Cx
*Thursday, December 19, 2013 at 1:24pm*

**grade 12 Functions**

A ferris wheel with a diameter of 60m rotates at a constant speed three times every 1.5pie minutes and reaches a maximum height of 62m from the ground. if you started the ride when it is at its highest point, on what internal of time would you be more than 58m above the ground...
*Tuesday, December 17, 2013 at 11:33pm*

**5th grade math**

What fraction of a dollar is shown by coins (2 quarters, 1 dime, and 5 nickels)? I got 80/100 equals 8/10. Is 8/10 the correct answer? If not can you show me how to get the right answer?
*Sunday, December 15, 2013 at 9:33pm*

**5th grade math**

To nearest whole number, what is 106.37 - 78.89? Can you show me please?
*Sunday, December 15, 2013 at 4:30pm*

**5th grade math**

Rounded to the nearest tenth, what is the sum of 47.368 + 58.75?
*Sunday, December 15, 2013 at 4:09pm*

**8th Grade Writing**

That's great! that was my main idea but how would he be able to get the money from his brother anyway? so far i have made it so that the guy kidnaps his brother and his brother's wife. the daughters going to save them but how would he take the money?
*Saturday, December 14, 2013 at 5:28pm*

**8th Grade Writing**

Hello, I'm writing a story adn was wondering if someone could give me realistic reasons as to why a brother would kidnap hid brother? thats kind of what happenes in my story. the brothers are like 50 years old though. thank you!
*Saturday, December 14, 2013 at 3:24pm*

**Social Studies**

I am in 5th grade, and I need a easy interesting current event to write a paragraph about. Help me find a subject!!
*Thursday, December 12, 2013 at 8:34pm*

**science**

sound and light prentice hall science Explorer book 6th grade page 15 section 2 assessment 1.c. comparing and contrasting which wave properties are distances? which are measured relative to time
*Thursday, December 12, 2013 at 7:59pm*

**Science**

Could you please explain meiosis in stages including interphase 1 (crossing over)? I need to understand this for a project at a 7th grade level.
*Wednesday, December 11, 2013 at 7:11pm*

**math 6th grade**

a tiger can eat 15% of his body weight he eats 75lbs how much does he weigh
*Wednesday, December 11, 2013 at 3:41pm*

**math**

if I am at 94.44 in my class and I have a paper that is worth 10% if I don't do the paper what would it pull my grade down to
*Monday, December 9, 2013 at 9:28pm*

**Math 5th grade**

what are three equivalent fractions for 6/11 and 6/9 and 5/8
*Monday, December 9, 2013 at 8:38pm*

**Math 5th grade**

Mrs. Rodriguez mixed water and plant food in a container and filled the container until it measured 6/8 gallon. She poured 4/8 gallon of the mixture on her geraniums and 1/8 gallon on her petunias. How much of the mixture did she have left after pouring ot on her plants?
*Monday, December 9, 2013 at 7:45pm*

**math 5th grade**

Mary baked a dozen M&M cookies. There were 45 M&M's in the bag. Each cookie had a minimum of 3 M&M's. What are all the different possibilities?
*Monday, December 9, 2013 at 7:34pm*

**8th grade science :(**

How are the Heliocentric Model and the Geocentric Model Similar? List as many ways as you can.
*Monday, December 9, 2013 at 6:54pm*

**life science,history,6eography,and maths lit**

im in grade 12 and i dn't no wht job must i take so can you plz tell me wht kind of jobs is available
*Saturday, December 7, 2013 at 5:19am*

**5th grade science**

Which of the following best describes an electric charge? -Positive or negative terminal of a battery -property of electrons, protons, and neutrons -materials that conducts current -has a north pole and a south pole
*Friday, December 6, 2013 at 5:43pm*

**5th grade science**

Which of the following is an example of a nonmnetal conductor? copper wire, salt water, plastic covering of a wire, or cotton clothing?
*Friday, December 6, 2013 at 5:42pm*

**7th grade English **

Use the correct pronoun in parentheses. The book ( it, itself) is a collector's item. Please help. Thanks.
*Thursday, December 5, 2013 at 9:02pm*

**math 4 grade**

Bob spent $7.25 on appetizers and $3.50 on a drink. His main meal cost him $23. If tax is 9% and he wants to leave the maximum amount of tip for the waitress (because he thought she was cute), how much will Bob spend in total on his meal?
*Wednesday, December 4, 2013 at 4:27pm*

**5th grade Math**

Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.
*Tuesday, December 3, 2013 at 12:38pm*

**5th grade Math**

Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.
*Tuesday, December 3, 2013 at 10:02am*

**Math grade 8**

Karim is painting a design on a cylindrical barrel. The height of the barrel is 1.2 m. The radius of its base is 0.3 m. What area will the paint have to cover? (Remember to include the bottom and lid of the barrel.)
*Sunday, December 1, 2013 at 5:39am*

**probability**

(a) Find P(121 ¡Ü X ¡Ü 139), the probability that a randomly chosen girl at the start of 1st grade is between 121 and 139 centimeters tall. (Round your answer to three decimal places.) P(121 ¡Ü X ¡Ü 139) = 1
*Saturday, November 30, 2013 at 7:22pm*

**Reading**

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the patio book was painted black. PLEASE HELP IM BEN DOSLEY`S TWIN BROTHER AND WE ARE ON SIXTH GRADE AND WE REALLY NEED HELP
*Tuesday, November 26, 2013 at 8:35pm*

**5th Grade Math**

Can you please show me the steps on how to write each decimal as a mixed number in simplest form? 1. 8.9 2. 42.96
*Tuesday, November 26, 2013 at 7:40pm*

**5th Grade Math**

Danielle and her brother went to the town carnival. Together, they won 15 prizes. Danielle won 9 of them. What fraction did her brother win? If there had been only 10 prizes won, how many would her brother have won if the fractions were equivalent? Can you please show me how ...
*Monday, November 25, 2013 at 7:34pm*

**math**

solve 3x^3+x^2-8x+4>0. show all the algebraic calculations. (5 marks) (for grade 12 ways)
*Monday, November 25, 2013 at 5:39pm*

**5th Grade Math**

Danielle and her brother went to the town carnival. Together, they won 15 prizes. Danielle won 9 of them. What fraction did her brother win? If there had been only 10 prizes won, how many would her brother have won if the fractions were equivalent?
*Monday, November 25, 2013 at 3:05pm*

**5TH GRADE MATH**

John placed 128 beads in equal rows to make an art project. His friend Mark used 125 beads to make a similar project. Is it possible for their projects to contain the same number of beads in a row? Please show and explain the answer.
*Sunday, November 24, 2013 at 6:27pm*

**math problem grade 8!!**

A soccer goalie has saved 14 shots and let in 1 goal. Explain Please!!!
*Saturday, November 23, 2013 at 7:08pm*

**math grade 8 please help!!!**

1/5 of 10% of 200g how would i solve this plz explain!! (one over five of ten percent of two-hundred grams)
*Saturday, November 23, 2013 at 5:30pm*

**Grade 8 Math**

A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m2. Draw two possible gardens. Determine the dimensions of each part of the garden, and justify your choice of these dimensions.
*Saturday, November 23, 2013 at 4:40pm*

**8th grade science :(**

How does the sun's gravity influence tides?
*Saturday, November 23, 2013 at 3:41pm*

**Math grade 9 and up**

let s and w represent positive integers where x,y satisfy x/s+y/w=1 and s/x+w/y=4, find x+y in terms of s and w It's really hard even for the teachers it took them a while. So I I was wondering how to solve it
*Saturday, November 23, 2013 at 9:11am*

**math**

1)on the 7th grade honor review exam, student were asked to create a power with a base of 3 that is greater than 9 but less then 3 to the 5th power . two powers that student created show below. Describe why each of the solutions is incorrect 5 to the 3rd power 3 to the 2nd power
*Thursday, November 21, 2013 at 9:53pm*

**math**

1)on the 7th grade honor review exam, student were asked to create a power base of 3 that is greater than 9 but less then 3_5 . two powers that student created show below. Describe why each of the solutions is incorrect 5_3
*Thursday, November 21, 2013 at 9:13pm*

**6th grade math**

Forgot to add this question: 1. Describe the graph represented by the table: x 1 2 3 4 y 5 5 5 5 Ans: The actual graph would be a vertical line at ordered pairs (1,5), (2,5), (3,5), (4,5), and (5,). Is this right?
*Thursday, November 21, 2013 at 8:07pm*

**science 3rd grade**

list two example of soils, liquids, and gases
*Thursday, November 21, 2013 at 7:05pm*

**MATHS**

24 1c coins are set out in a row on a table Then every 2nd coin is replaced by a 2c coin every 3rd coin is replaced by a 5c coin every 4th coin is replaced by a 10c coin every 5th coin is replaced by a 20c coin every 6th coin is replaced by a 50c coin and every 7th coin is ...
*Tuesday, November 19, 2013 at 9:34pm*

**6th grade math**

Can you check this problem, please? n/((3/4))=5/9 Ans: multiply both sides by (3/4) n = 5/9 * 3/4 n = 15/36 n = 5/12
*Tuesday, November 19, 2013 at 8:09pm*

**math 2nd grade**

Write a sentence comparing one box of crayons has 16 and the other box of crayons has 24
*Tuesday, November 19, 2013 at 7:36pm*

**math/science**

need help to learn how to add unlike denominators? 5th grade
*Tuesday, November 19, 2013 at 6:36pm*

**5th grade math**

At a supermarket, pineapple juice sells at $1 per pint (16 ounces). Greg wants to buy eighteen 40-ounce cans of pineapple juice from the supermarket. How much dose he have to pay altogether?
*Monday, November 18, 2013 at 7:37pm*

**3rd grade math**

write EACH division statement 3 different ways twelve divided by 3
*Monday, November 18, 2013 at 7:00pm*

**9th Grade Math**

How to write 0.023494751 and 0.040381247 as a percent rounded to one decimal? Would it be 2.3% and 4.0%?
*Sunday, November 17, 2013 at 6:58pm*

**9th Grade Math**

How to change 84.9% and 88.1% to a decimal? Would it be 0.849 and 0.881?
*Sunday, November 17, 2013 at 6:45pm*

**English**

There is a placement test for Writing 121 and I need to earn a certain score as a prerequisite. What is the placement test like? Is it time?Can you give me a sample and grade it? We may have to keep track of each other posts.
*Sunday, November 17, 2013 at 2:19pm*

**Statistics**

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.
*Thursday, November 14, 2013 at 11:20pm*

**5th grade math**

how would you mentally figure out a percent discount without a calculator? (:
*Thursday, November 14, 2013 at 6:05pm*

**7th grade accelerated math / pre algebra**

write two equivalent expressions for the area of the figure the figure is a triangle inside the triangle it says x + 4 and the #16 is written along the length of one side of the triangle. The answer is 8(x +4) and 8x + 32 but I don't know how they got it
*Tuesday, November 12, 2013 at 8:41pm*

**5th grade math parent**

Hi the problem reads.......give an example that shows how to use.the distributive property to multiply a number by a sum. All of the numbers you use should be mixed numbers or fractions.........PLEASE HELP!
*Tuesday, November 12, 2013 at 12:11am*

**7th grade science**

I'm not sure if I can post my question about science. Can I post it? I don't know if it'll get taken off
*Monday, November 11, 2013 at 9:32pm*

**Math 5th grade**

Write two fractions that are equivalent to each fraction. 1. 2/5 2. 21/35
*Monday, November 11, 2013 at 8:28pm*

**Language**

I miss placed my word list and my assignment is due tomorrow and I need to access my word list from my teacher Shirley Carr at Adlai Stevenson elementary second grade class can this site help me with that I am not a member and do not know if my teacher or school is either
*Monday, November 11, 2013 at 3:37pm*

**math**

the ratio of the following is 2:5 of peter to jane ... jane gave all of her money ehich is $ 75 so how much is 1 block???? help me i am in 1 grade idgt???
*Monday, November 11, 2013 at 5:15am*

**Math 8th grade**

Type the missing number. -25 -23 -22 -21
*Saturday, November 9, 2013 at 6:47pm*

**Chemistry**

I know that this is an off topic question, but I need you to respond to this.... I received barely an A in my chemistry class, and my teacher gave me a 2/25 on an assignment... Although I got that grade, I still have an A.. I asked my teacher why and she said that it is not ...
*Thursday, November 7, 2013 at 9:01pm*

**Chemistry**

I know that this is an off topic question, but I need you to respond to this.... I received barely an A in my chemistry class, and my teacher gave me a 2/25 on an assignment... Although I got that grade, I still have an A.. I asked my teacher why and she said that it is not ...
*Thursday, November 7, 2013 at 8:43pm*

**math**

a student's 10 scores on 10-point class quizzes include a 6, a7, a4, five 9s, an 8, and a 10. The student claims that her average grade on quizze is 9 because most of her scores are 9s.
*Thursday, November 7, 2013 at 6:52pm*

**3rd grade Math**

If Beth has 28 feet of trim to use as edging on a rectangular blanket, what is the length and width of two blanket sizes she could make?
*Monday, November 4, 2013 at 4:07pm*

**5TH GRADE Math**

Can you please show me how to find the common factors of each set of numbers. 1. 1,4,8,32______ 2. 1,3,6,12,24_____
*Sunday, November 3, 2013 at 6:24pm*

**math 5th grade**

How to solve 547X73
*Friday, November 1, 2013 at 5:17pm*

**math 5th grade**

How to solve 547X73
*Friday, November 1, 2013 at 6:31am*

**math 5th grade**

Jill has 5 pictures to hang on her wall she wants to hang one picture in the center if the picture remains the same how many diffrent ways can she hang the other pictures
*Thursday, October 31, 2013 at 10:16pm*

**3rd grade math**

sara wants to know how many boxes of cookies her entire girl scout troop sold. How could she use compatible numbers to find the sum? kate 52 boxes sara 43 boxes jen 18 boxes haliey 27 boxes
*Thursday, October 31, 2013 at 5:13pm*

**8th grade chemistry**

which of the following molecules does not contain 5 atoms? A. CaCO3 B. Mg(OH)2 C. NaHCO3 D. Fe2O3
*Thursday, October 31, 2013 at 12:44am*

**grade 11 biology**

Consider a germ cell of a person with Down syndrome(Trisomy 21). Explain what is happening with the arrangement of chromosome 21 inside the cell during interphase 1, Anaphase 1, Telophase 1, telophase 11. Please help, I am really stuck on this. Thank you
*Wednesday, October 30, 2013 at 8:16am*

**7th grade Math**

There are 50 questions on a test. If a 60% is considered passing, how many questions do you have to get right to pass?
*Tuesday, October 29, 2013 at 6:08pm*

**English 10th Grade**

Descriptive writing (300-500words) 'by the waterside' Describe some of the people and activities that make place there.
*Tuesday, October 29, 2013 at 8:55am*

**7th grade math**

Your team dives for 28 lobsters over 7 days. What is the average daliy lobster catch?
*Monday, October 28, 2013 at 8:14pm*

**8th grade math**

I am not sure if I did it correct, can you please check this answer for me, Ms.Sue? :) Writing equations in point-slope form: m:3, p:(-1, -2) (y-y1) = m(x-x1) y-(-2)=3(x-(-1)) y+2=3x+3 y+2-2=3x+3-2 y=3x+1
*Sunday, October 27, 2013 at 9:35pm*

**6th grade science**

How do the differences in teh way land and water absorb and release energy cause local winds?
*Sunday, October 27, 2013 at 7:33pm*

**8th Grade Math**

How do I enter this with two decimal places and not a percent? 0.18811922 Is it 0.19?
*Sunday, October 27, 2013 at 6:38pm*

**Grade 3math**

Mr. Sanchez took his wife and two children to the circus. Tickets were $7.50 for adults and $5.25 for children. Mr. Sanchez had $30 to spend. Was that enough to pay the tickets? What, if any, change did he get back? 7_50+5_25=12.75 12.75+12.75=25.50 30_25.50=4.5 This is the ...
*Saturday, October 26, 2013 at 2:22pm*

**6th Grade Math**

How would you write an expression that is equivalent to 4x4x5x4x5.
*Thursday, October 24, 2013 at 1:26am*

**6th grade math**

Can you check these, please? Convert each of the following verbal phrases to algebraic expressions. 1.twice the number plus 16 is 18 Ans: 2x + 16 = 18 2.the quotient of a number and ten more than fourteen is eleven Ans: (10 + 14)/x = 11? or x/10 + 14 = 11?
*Wednesday, October 23, 2013 at 5:53pm*

**5TH GRADE MATH**

Ron has 4 new songs on his MP3 player. In how many different order can he burn them to a cd?
*Tuesday, October 22, 2013 at 8:44pm*

**5TH GRADE MATH**

FRANK, KENDRA, AND LIN ARE PAINTING A MURAL. THERE ARE 2 SETS OF PAINTS, EACH WITH 50 COLORS. PAINTS ARE PASSED OUT UNTIL EVERYONE HAS THE SAME NUMBER. HOW MANY COLORS DOES EACH WORKER GET?
*Tuesday, October 22, 2013 at 8:28pm*

**5TH GRADE MATH**

EXPLAIN HOW YOU INTERPRET THE REMAINDER. THERE ARE 10 PENCILS TO BE GIVEN TO 3 STUDENTS. HOW MANY PENCILS DOES EACH STUDENT GET?
*Tuesday, October 22, 2013 at 8:23pm*

**math**

charlie used his cell phone for a total of 1216 minutes in one month. if he talked the same number of minutes each day, what is the best estimate for his daliy minute usage? A. 4,000 minutes B. 400 minutes C. 40 minutes D. 4 minutes PLEASE HELP ME IF I DONT GET THIS QUESTION I...
*Tuesday, October 22, 2013 at 4:01pm*

**6th grade math**

It takes 1.5 hours to walk three miles. How far can he go if he walked for 4 3/4 hours?
*Tuesday, October 15, 2013 at 6:41pm*

**6th grade math**

Dante can buy 20 marbles for $1.50. How many marbles can he buy for $27.00? Do you divide &27.00 by $1.50 then multiply that number by 20 to get 360 marbles?
*Tuesday, October 15, 2013 at 6:19pm*

**math**

Make a tally chart for the number of students in the third-, fourth, and fifth-grade classes: 26, 25, 27, 27, 26, 28, 27.
*Monday, October 14, 2013 at 8:19pm*

**emt**

I have to do a project on medical shock do you have any ideas, I need a good grade on this.
*Sunday, October 13, 2013 at 2:29pm*

**physical**

A bicycle and its rider together has a mass of 95 kg. What power output of the rider is required to maintain a constant speed of 4.8 m/s (about 10.7 mph) up a 5.0% grade (a road that rises 5.0 m for every 100 m along the pavement)? Assume that frictional losses of energy are ...
*Saturday, October 12, 2013 at 11:12pm*

**7th Grade Science**

Hi, I understand the question but every vocab. word I think this is it's just not coming out right when I'm putting it all together. Question:To pass a trait on to the next generation (offspring) an organism does what? My answer is heredity, but to me when I put it ...
*Saturday, October 12, 2013 at 4:07pm*

**Survey Math **

A survey of 240 10th grade students in a local High School found that there were 140 girls and 100 boys in the grade. Of the 140 girls, 100 preferred gym class while 40 preferred art class. Of the 100 boys, 40 preferred gym class while 60 preferred art class. Construct a data ...
*Saturday, October 12, 2013 at 11:20am*

**6th grade math**

When planting trees in a forest, the US Forest Service recommends giving each seedling about 1/200 acre on which to grow. About how many seedlings should be planted in 1/3 of an acre? 1/3 times 200/1?
*Friday, October 11, 2013 at 10:33pm*

**math**

I need help on study links 2.9 for 5 grade
*Thursday, October 10, 2013 at 5:32pm*

**6th grade math**

how many 3 3/4 inch wires can be cut from a spool of wire that is 100 inches long will there be any wire left over? if so how much?
*Tuesday, October 8, 2013 at 11:22pm*

**6th grade math**

A bag of fetilizer that weighs 18 3/4 pounds can cover 5000 sq feet. how many pounds of fetilizer will be needed to cover 27,000 square feet? how many bags of fertilizer are needed? explain how you found your answer
*Tuesday, October 8, 2013 at 11:04pm*

**7th grade Math**

Please, help me how to solve this problem 21% of 82 how do you use a fraction to estimate the percent of each number? Thank you
*Tuesday, October 8, 2013 at 7:28pm*

**6th grade math**

6 1/2-7/8 / 5 11/16 evaluate the expresson
*Monday, October 7, 2013 at 6:03pm*

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