Wednesday

March 4, 2015

March 4, 2015

Post a New Question | Current Questions

**chemistry**

Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
*Saturday, September 15, 2007 at 4:41pm*

**chemistry**

Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
*Saturday, September 15, 2007 at 1:45pm*

**Math**

I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
*Thursday, September 13, 2007 at 9:54am*

**math**

Here it is: One night the palace was having a midnight snack. The king ate 1/6 of the mangoes. The Queen ate 1/5 of the remaining mangoes. The 1st prince ate 1/4 of the mangoes left. Then the 2nd prince ate 1/3 of the remaining mangoes. And the third prince ate 1/2 of the ...
*Wednesday, September 5, 2007 at 5:32pm*

**Social Studies**

How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
*Thursday, August 16, 2007 at 7:01pm*

**Calculus:check please**

given: 1st derivative is 2(2-3x-2x^2)/(1+x^2)^2 (quotient rule) I've found the stationary points to be x=1/2 and x=-2 Am I on the right track? If so, I plan to plug in values to the L andR of them into the whole derivative so as to clasify them. Still on track? Thanks ...
*Friday, August 10, 2007 at 2:06pm*

**Organic Chemistry**

Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ...
*Friday, July 20, 2007 at 2:45am*

**Organic Chemistry**

Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ...
*Friday, July 20, 2007 at 2:04am*

**math for 1st part (a)**

Part (a) 1.If the ratio of accounts-to-support technicians is 5:1, how many accounts are supported by each technician? 2.If there are currently 8 technicians on staff, how many accounts total are they supporting now? Please see the previous answer. 40
*Sunday, June 24, 2007 at 8:53pm*

**math 3rd part**

b.The company is projecting a 20% growth each year for the next four years. How many technicians should the company’s Human Resource Manager plan to hire in each of the next four years? 1st year: 8 x .2 = 1.6 2nd year: 9.6 x .2 = ? Continue this pattern for the next 3 ...
*Sunday, June 24, 2007 at 8:51pm*

**Math again**

Rearrange to give d in terms of e: (3d-7)/(4+5d) = e I got 3d - 5de = 4e + 7 but where do I go from there? Thanks :) 1st you must Multiply the polynomial. Please try the tutorial at the following site: http://www.webmath.com/polymult.html
*Monday, May 28, 2007 at 2:05pm*

**Algebra**

the problem is to graph 3x - y < 2 x + y > 2 my solution is y = 3x - 2, y = -1x + 2 I,m lost at where my lines ar drawn. In y = 3x - 2 (y line is 3) and y = -1x +2 (y line is -1) or am I totaly lost. After continued effort I beleive 1st equation m = 3 and y-intercept is...
*Sunday, May 27, 2007 at 4:57pm*

**science**

cyanobacteria,wich first appeared on earth over 3 billion yaers ago are? a.austrolopithecines b.prokaryotes c.one of the organisms on land d.descendents of primitive plants http://en.wikipedia.org/wiki/Cyanobacteria Read 1st Paragraph
*Friday, May 18, 2007 at 4:52pm*

**physics-please check**

is this right?: when a form of energy changes from one form to another some energy may transfrm into a useful form, those useful form of energy is high grade energy.while the rest of the energy will always change to form we cannot use.which is called the low grade energy. if i...
*Monday, May 14, 2007 at 4:46am*

**math-factoring**

hi i was reading through the tutorials and havent really understood how to factor out a trinomial like 12x^4 - 5x^2y^2 - 2y^4 what would the 1st few steps be? Do a substitution: let v= x^2 and u= y^2 Now you have... 12v^2 - 5uv - 2u^2 (3v -2u)(4v+u) then go back and put the x ...
*Tuesday, May 1, 2007 at 8:24pm*

**history**

on the 1st page can someone please help me??????? Its the 2nd and 3rd black dot next to my nasme. Even if this is a repost, more information needs to be given before we can adequately respond. Please repost with more information. Thanks for asking.
*Sunday, April 29, 2007 at 9:25pm*

**MATH**

Please help me to find the least common multiple of 24 and 48. 1st go to this site: http://www.aaamath.com/fra66i-lcm.html Then give it a whirl and post what you think the answer is and we'll see if you need further help.
*Sunday, April 29, 2007 at 3:09pm*

**algebra**

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. write an inequality representing the score that sam must get on the last test to get a C grade http://www.jiskha.com/display.cgi?id=116...
*Tuesday, April 24, 2007 at 11:47pm*

**trig**

it says solve for all real solutions, compute inverse functions to 4 sigfigs. cos^2x=3-5cosx Devon, what grade level are these questions from? I am having the same problems as with your 9:14 post. Please see my partial solution in the post to bobpursely at 10:54 Devon, I have ...
*Monday, April 16, 2007 at 9:57pm*

**i need help,math**

okay i am completely lost after reviewing everything my mind is blank cans some one help me with the steps. Solve by completing the square x^2=5x+2 1st: You need to bring the 5x+2 to the other side so you have x^2-5x-2 2nd: Find the values to where when multiplied equal -2 and...
*Sunday, April 15, 2007 at 8:34pm*

**math**

3 workers picked 66 bushels of peaches. The 1st worker picked 3 times more than the second worker and 2 times more than the 3rd worker. How many bushels did the second most productive worker pick? Let the number of bushels picked by the second worker be x. The first worker ...
*Tuesday, April 10, 2007 at 10:03am*

**Math**

At an annual flower show, 6 different entries are to be arranged in a row. a) How many different arrangements of the entries are possible? b) If the owners of the 1st, 2nd, and 3rd place entries will be awarded prizes of $100, $50, and $25 respectively, how many ways can the ...
*Monday, March 26, 2007 at 1:49am*

**Math**

At an annual flower show, 6 different entries are to be arranged in a row. a) How many different arrangements of the entries are possible? b) If the owners of the 1st, 2nd, and 3rd place entries will be awarded prizes of $100, $50, and $25 respectively, how many ways can the ...
*Sunday, March 25, 2007 at 11:57pm*

**g**

What modern city, once called Constantinople, lies partly in Europe and partly in Asia? a. Istanbul, Turkey b.Damascus,Syria c. Athens, Greece d. Skopje, Macedonia http://en.wikipedia.org/wiki/Constantinople Read 1st paragraph
*Thursday, March 15, 2007 at 10:52pm*

**Math**

Are you trying to solve for x, n or p? solve for n Show me how to work this problem. 2n = 4xp - 6 what is the problem? what grade r u in iam in 6 grade To get n all by itself, you need to divide by 2. But if you divide by 2 on the left, you have to divide by 2 on the right...
*Wednesday, March 14, 2007 at 8:22pm*

**math**

it is cross math (like sudouk) six rows across and six rows down 1st row has empty box, +, empty box, + box =6 this row is across 2nd row has x blacked out box, +, blacked out box, x, blacked out box this row is across 3rd row across is empty box, +, empty box,/ (division sign...
*Monday, March 12, 2007 at 8:39pm*

**Sequence**

Find the common difference and a formula formula for the nth term of the arithmetic sequence; 6, 2, -2, -6, -10,...a sub n = a)6-4n b)6-2n c)10-2n d)10-4n I think it is c but want to check. Ao is 10, then each term subtracts 4n from it....n=1, ... well if 6 is equal to the ...
*Friday, March 9, 2007 at 12:28pm*

**Science**

An object travels 8 m in the 1st second of travel, 8 m again in the 2nd second of travel, and 8 m again during the 3rd second of travel. its acceleration in meters per second per second is? Would the answer to this question be 0? I'm not positive, but wouldn't the ...
*Thursday, March 8, 2007 at 4:18pm*

**math**

Derivatives are usually not taught in 5th grade. That is what your question is about: Rates of change. Complete the following statements with the correct words Note: Correct spelling is important. If s(t) is a distance (or height or position) function, then s'(t) would be ...
*Monday, February 19, 2007 at 10:00pm*

**math**

ok i get the whole FOIL thing but what if there's negative numbers? and what do you if there's an addition and a subtraction? ex. (mn-m^2)(-n+m) you treat negative numbers just like positive numbers (for instance; (6x+3)(2x-2), 1st-6x*2x=12x^2, outer- 6x*-2=-12x, inner...
*Monday, February 19, 2007 at 7:43pm*

**math**

how do you do fractionation? huh??/ What grade are u in?
*Wednesday, February 7, 2007 at 7:19pm*

**Math Help Please (I Am New In This Website)**

How do you multiply 367 by 72? the answer depends on your grade. Tell us what Grade in School you are in. Multiply 367 by 2; write down the answer. Multiply 367 by 70; add it to the answer above. Let us know what your answer is and someone here will give you feedback.
*Saturday, January 27, 2007 at 7:55pm*

**Math HURRY !!!!!!!!**

Please Help me Explain how ratios can be used to compare two numbers I searched the web and I didn't understand it I think this might help me but could someone help me put it in a sentence The 1st number in a ratio tells the amount thtat shows up for every 2nd number ...
*Tuesday, January 23, 2007 at 7:55pm*

**trig**

if 10 students enter projects in the art show, how many different ways can they come in 1st, 2nd, and 3rd place? would you go 10^3 OR 10TIMES 3? This is not a trig question. Neither of those answers is correct. After making one of ten possible choices for first place, there ...
*Thursday, January 18, 2007 at 9:28pm*

**MATH**

I have 2 questions the first I have narrowed down to 2 possible solutions the second has 3. What is the solution to log sub 5 (2x+3)=2 a)13/2 or b)14? The next problem f(x)= log sub 5 x what is the value of 1/25? a)square root of 2 b)-1/2 or c)1/2? Help is greatly appriciated...
*Tuesday, January 16, 2007 at 12:44pm*

**math,correction**

can someone correct this for me please. Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C ...
*Tuesday, January 9, 2007 at 7:38pm*

**unscramble this word!!**

i need help unscrambling these words : slebsurs prusto tripcoa harbrub surgpassa bekrechuryl 2nd one- apricot 3rd rhubarb Is there a certain subject? asparagass-4th brussels sprout 1st huckleberry last one CERINOSMOG Okay.. so I am doing a math assignment and in our workbook ...
*Monday, January 8, 2007 at 6:38pm*

**math correction**

can someone correct this for me.or teach me if i'm wrong Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last...
*Monday, January 8, 2007 at 1:45pm*

**math**

I was just wondering, if a series of numbers has 8 digits and the 1st digit is always 3, how many possible combinations of this number could there be. I am certain I once learned this in a math class years ago, but cannot remember how to calculate it. Help would be greatly ...
*Friday, November 24, 2006 at 3:10pm*

**science**

We had two riddles to solve... 1st. I am slow when i'm young. Have six legs, large eyes, four wings, exoskeloten,looks like a helicopter when I fly and hunt over water. Unscramble these letters- cqzfnmekx 2nd. live in cold water fast strong swimmer, slim slead and colorful...
*Wednesday, November 15, 2006 at 6:24pm*

**math**

If the answer is 1-2/3m what is the question> How can you solve equations like these? 9r + 7 = 4r - 8 Need to get the r on one side. 1st- subtract 4r from the right side of the = sign. What you do to one side do to the other. 9r-4r+7=4r-4r-8. 5r+7=-8 2nd- subtract 7 from ...
*Tuesday, November 14, 2006 at 11:49pm*

**liturature**

What does the term 'craft technique' mean? Example:"What is one author's craft technique found in this text that makes the writing lively?' See my answer to your question below. =) What is a story with one or more level of meanings? i need help on learning...
*Wednesday, November 8, 2006 at 7:58pm*

**Algebra1234567890!**

(-mn8)3 would it be: -m^3n^3164 (-mn8)3 = -24mn Without carrots I have no idea where your exponents are. how?I don't get this one? Is this Sandro from Mrs.Pfeiffer's class?What grade are you in? Leo is saying you need to use carets to show an exponent. As you have ...
*Wednesday, November 8, 2006 at 5:44pm*

**Math**

I have a fraction problem that involves borrowing and I do not know how to do this. My problem is 11 2/3 - 3 5/6. I know that I need to make the denominator the same so that makes it 11 4/6 - 3 5/6. My 11 needs to go to 10 but I do not know what changes from there. Thank you ...
*Sunday, November 5, 2006 at 2:05pm*

**Noiuns**

Our son's 3rd grade teacher gave out a homework assignment which had the students make a sentence for each of their spelling words and then circle the "noun" in the sentence. We received his homework back from the teacher with the words, "I, you, He", ...
*Wednesday, October 25, 2006 at 7:25pm*

**Calculus**

There is a sign that is 10ft on one side and 15ft on the other side (from the ground to the base of the sign), the billboard itself is 20ft. The painter brings a 25ft ladder in length. If the patch of ground 10ft from the base of the sign is used, at what point will the ladder...
*Tuesday, October 24, 2006 at 3:26pm*

**a.p. calculus help please!**

My a.p. calculus teacher doesn't know how to do this problem (like many others) so he's giving us 5 points extra credit on our test if we can figure it out, but I don't know how to do it: It's as the lim-->infinity (x+sinx)/(x+cosx) We know the answer is 1 ...
*Sunday, October 22, 2006 at 8:46pm*

**physics**

I'm supposed to design a device that will protect a raw egg, GRADE A, (not that its really important to know what kind of egg it is... LOL) But, it will drop from a 12 FOOT height to a concrete floor. The only materials that I'm allowed is about 9 sheets of "8.5 X...
*Friday, October 13, 2006 at 11:20am*

**Language Arts**

I left my McMillian text book for language arts in school today and I have homework on page 2 and 3. I'm in the 6th grade does anyone have that book. I really really need those questions. I don't know if this gives page numbers that correspond with your text or even if...
*Monday, September 11, 2006 at 5:04pm*

**hw brain teaser help**

here is what the teacher has. Kim, Rachel,Jim,and Rick finished first, second, third and fourth in a motor bike race. if there numbers were 5, 17, 1, 7, use the following clues to find out who had what # and what order they finished. * 17 said she would have placed hodher if ...
*Thursday, August 31, 2006 at 8:03pm*

**math question**

hi, i have a math question that i need help with: when data are non-numerical but can be ordered, such as letter grades, the mean cannot be calculated directly; but both the median and mode can be found. Last year in Ms. Flag's history course, the final grades were 8A'...
*Tuesday, August 29, 2006 at 3:17pm*

**Math**

Fay's rubber ball bounces exactly half the height from which it is dropped. She drops the ball from the top of a building that is 64 meters tall. How high will the ball bounce on its eighth bounce. Could someone explain this? Thank you! Natalie 1/2 of 64= 32. 32 feet is ...
*Wednesday, August 16, 2006 at 4:45pm*

**Pre-Algebra**

Find two consecutive odd integers such that 5 times the first integer is 12 more than 3 times the second. let X = 1st odd number. and Y = 2nd odd number = X + 2 since it is consecutive. Now set up two equations (the first is Y = X + 2). The second is 5X = 3Y + 12. Substitute ...
*Sunday, July 16, 2006 at 12:15am*

**Accounting ASAP**

Forcasting Payments If firm pays it's bill with 30 day delay, what fraction of it's purchases will be paid for in the current quarter? I following quarter? What is it's payment delay is 60 day. Assuming that this company opened its doors on Jan 1st (no previous ...
*Monday, June 26, 2006 at 12:38am*

**Accounting**

Adjusting enteries: 1. On august 1st, mr. borg borrowed $30,000 from a local bank on a 15 year mortage. The annual interest rate is 8%. A telephone bill in the amount of $117 covering august charges is unpaid at august 31. Although this is not my area of expertise, we do not ...
*Sunday, September 4, 2005 at 7:10am*

**when does the school year start?**

When do most K-12 schools begin session this year? Most of the public schools in the Houston, TX, area have already started. In Southern California, most will start around Sept 1st or right after Labor Day. Western PA. I start wendsday Thank you. Well, in Texas almost of all ...
*Saturday, August 20, 2005 at 7:50pm*

**Chemistry**

Element X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. What are the possible formulas for the two compounds? (Multiple choice) a. XF (for 1st compound) X2F2 (...
*Monday, July 25, 2005 at 6:34pm*

**7th grade science**

how much work is done on an object with 25 kg on earth if it moves 13m? i really need help
*Tuesday, March 3, 2015 at 11:17pm*

**Emerson**

I'm helping my son he is in 4th grade . His hw it's hard and this is the problem : find two mixed numbers. So that the sum is 7 2/8 and the difference 2 4/8.
*Tuesday, March 3, 2015 at 9:33pm*

**Science 8th Grade**

1. How Will resistance change when the voltage increases in an electrical circuit if the current remains constant A. It will decrease **** B. It will stay the same C. It will increase D. It will decrease, then increase
*Tuesday, March 3, 2015 at 6:17pm*

**7th Grade Math.**

I have been trying to work this out but just cant. Find the function rule. X -2 -1 0 1 2 Y 9 4 -1 -6 -11 Thanks, ~JH
*Tuesday, March 3, 2015 at 4:11pm*

**6TH GRADE MATH**

The value of the dependent variable in a function is always __________ the value of the independent variable. 1.GREATER THAN 2.DEPENDENT ON 3.LESS THAN 4.EQUAL TO
*Tuesday, March 3, 2015 at 10:32am*

**Statistics **

1200 high school freshman were randomly selected for a national survey. Among survey participants, the mean grade-point average was 2.8, and standard deviation was 0.6. What is the margin of error, assuming a 95% confidence level?
*Friday, February 27, 2015 at 1:18pm*

**7th grade math**

Can you help with geometry? 1. Sally constructs a triangle with one side 6 inches long and another side 8 inches long. What is the 3rd side? (haven't learned Pythagorean theorem) Ans: 6 + x > 8 x > 2 6 + 8 > x 14 > x 8 + x > 6 x > -2 so, x must be > 2...
*Friday, February 27, 2015 at 7:31am*

**3rd grade math**

A parking lot near the sports field holds a total of 52 vehicles. There are 42 cars parked there now. Half of these cars are red, 10 are blue, and the rest are silver. What fraction of the cars are silver?
*Friday, February 27, 2015 at 12:07am*

**3rd grade math**

Two thirds of the musicians in a 16-piece band are girls. the 16 musicians include 12 brass players. what fraction of the band plays brass instrument?
*Thursday, February 26, 2015 at 11:31pm*

**Math- Precalculus **

A utility company has the following rate schedule for natural gas usage in a city’s business district: Monthly service charge $8.80 Per therm service charge: 1st 25 therms : $0.6686/therm Over 25 therms: $0.85870/therm (a) What is the charge for using 25 therms in one ...
*Thursday, February 26, 2015 at 3:19pm*

**6th grade geometry **

If the area of a triangle is64 is the base 16 and the height 32?
*Wednesday, February 25, 2015 at 11:18pm*

**My Grades**

My math grade is an B+ should I do a retake for extra credit? This will consist of extra credit opportunity's in portfolios and test. Thank you very much! -Emolga
*Wednesday, February 25, 2015 at 10:36am*

**5th grade math**

Marcus is building a rectangular box for his kitten to sleep in. He wants the area of the bottom of the box to be 360 square inches and the length of one side to be 1 3/5 the length of the other side. What should the dimensions of the bottom of the bed be?
*Monday, February 23, 2015 at 9:49pm*

**STAT**

A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the questions correct
*Friday, February 20, 2015 at 11:48pm*

**life orientation(grade 12)**

hey um given the same assignment can some one answer me for nunber 1.7plz
*Thursday, February 19, 2015 at 11:03am*

**Math**

Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01
*Thursday, February 19, 2015 at 9:25am*

**Math Ms Sue**

Which expression would you use to find the area of a rectangle with a width of 4 inches and a length of 6 inches? 4+6 4x6 8x12 8+12 Ms Sue this is Karen you helped in College English so well I am trying to help my 3rd grade granddaughter with no math book just problems
*Wednesday, February 18, 2015 at 4:21pm*

**3rd grade math**

The lengths of the sides of a garden are 24 ft, 14 ft, and 35 ft. What is the gardens perimeter?
*Wednesday, February 18, 2015 at 4:02pm*

**3rd grade math**

mrs. lens wants to put a ribbon around the edge of a pillow. which tool and unit should she use to measure the perimeter of the pillow? measuring tape or ruler or yard stick?
*Tuesday, February 17, 2015 at 9:34pm*

**algebra**

how many tiles 10cm by 25cm on each side is needed for a bathroom 8m by 10m? I need help on how to solve it... I learned how to do this in 8th grade but I'm now in 10th and I forgot how to do it. I'm preparing for the highschool exit exam and I need to do this problem ...
*Monday, February 16, 2015 at 7:17pm*

**math**

I'm just having trouble trying to see the independent and dependant variables. I have to determine whether the following are functions: The relation between distance and time if someone walks 5km/h. I think distance would be the independent variable because you can go ...
*Monday, February 16, 2015 at 4:53pm*

**Anthropology**

What age grade (age set) do you find in the United States? Are there more than one?
*Thursday, February 12, 2015 at 9:27pm*

**Physics**

During a rElay race along a straight ROAD the 1st runner on a three person team runs D1 with a constant velocity v1. The runner then hands off the baton to the sEcond runner who runs d2 with a constant vElocity v2. The batton is then passed to the 3rd runner who completes the ...
*Wednesday, February 11, 2015 at 11:36pm*

**6th grade math**

When solving an inequality, why is it necessary to perform the same operation on each side of the inequality sign?
*Wednesday, February 11, 2015 at 5:49pm*

**math(5th grade)**

sally singleton's batting average is 0.375 and she has been at bat 120 times. How many times has sally hit the ball? pls help
*Wednesday, February 11, 2015 at 1:45am*

**math**

I'm in grade 5 and I need help on an area and perimeter question. The area of a rectangle is 300mm and the length of it is 15 mm. I need to find out the width of this rectangle.
*Tuesday, February 10, 2015 at 7:19pm*

**math**

I'm in grade 5 and I have a area and perimeter question. The area is 300mm2 and the width is 15mm, I need to know what the length is. Thanks for your time.:-)
*Tuesday, February 10, 2015 at 7:05pm*

**math**

the grade of 8 students on a 10-point test were 1,3,5,5,7,8,9,10 comute the mean of these scores
*Monday, February 9, 2015 at 9:32pm*

**Grade 9 French **

I need help I'm trying to find a rap to help me with the present and irregular verbs
*Monday, February 9, 2015 at 8:56pm*

**Math**

Helping 3rd grade granddaughter and I am lost What property does this show? ****=* * * * This is all that is shown
*Monday, February 9, 2015 at 4:20pm*

**Math**

I am lost helping my 3rd grade granddaughter... This is what this problem shows and nothing else What property does this show? ****=* * * *
*Monday, February 9, 2015 at 4:03pm*

**3 rd grade Math**

how are perimeter and area? When building your club house did you have a more difficult time finding the perimeter or area? why?
*Monday, February 9, 2015 at 3:37pm*

**6th grade math **

To qualify for a store discount, Clay's soccer team must spend at least $560 for new jerseys. The team needs 20 jerseys. Write and solve an inequality to represent how much the team should spend on each jersey to qualify for the discount.
*Sunday, February 8, 2015 at 2:32pm*

**4th grade math fraction**

How do I show the work to find the fraction with the greatest value? 7/10, 1/5, 9/10 5/6, 7/12, 7/10
*Sunday, February 8, 2015 at 1:59pm*

**9th Grade Algebra**

If a is not equal to 0, and a =2b=3c, what is the value of a+b in terms of c? Would I make up numbers for the variables?
*Saturday, February 7, 2015 at 6:40pm*

**math**

A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60 70 0 75 80 80 80 ...
*Friday, February 6, 2015 at 4:09pm*

**Grade 8**

The numbers 1 through 9 are put into a hat. What is the probability that all odd numbers will be chosen first if one number at a time is drawn from the hat and not replaced?
*Friday, February 6, 2015 at 9:45am*

**6TH GRADE MATH **

No more than 7 copies of a newspaper are left in the newspaper rack. Which inequality represents this situation? A. N<7 B. N>7 My answer is N<7. Do I have answer correct?
*Thursday, February 5, 2015 at 11:27pm*

**math 4th grade**

Lance wants to find the total length of 3 boards. He uses the expression 3 1/2 + (2+ 4 1/2). How can Lance rewrite the expression using both the Associative and Commutative Properties of Addition?
*Wednesday, February 4, 2015 at 8:57pm*

**7th grade math**

The sum of an integer and the next greater integer is at the most 13. Write an inequality to find the lesser integer and solve for the lesser integer. My answer n+n+1 <_ 13 n<_6
*Wednesday, February 4, 2015 at 7:39pm*

**Math 3rd grade**

I have 14 hundreds, 16 tens and 9 ones. What number am I?
*Wednesday, February 4, 2015 at 6:38pm*

**english**

This is Engish 8th grade: So in my book titled "The Raven" by Edgar Allen Poe, the bird sits on the bust of Athena the goddess but my homework is asking my why Poe choose Athena and not another god or goddess and how does she go with the story... Please help thank you!
*Tuesday, February 3, 2015 at 9:59pm*

**4th grade math**

There are 12 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of seats. How many rows are empty?
*Monday, February 2, 2015 at 9:13pm*

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