Thursday

August 21, 2014

August 21, 2014

Post a New Question | Current Questions

**differential equations **

Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two ...
*Wednesday, November 16, 2011 at 12:23pm*

**5th grade math**

f I have 3 geese in the first pattern, 5 in the 2nd pattern, & 7 in the 5th pattern, how many geese will be in the 10th and 100th patterns?
*Wednesday, October 12, 2011 at 10:08pm*

**2nd Grade Math**

Jordan spent $6.37 on a book and $1.23 on a magazine. How much did he spend all together? First estimate the costs and the totals. _____+______=______ Then use partial sums and solve. _____
*Wednesday, May 4, 2011 at 9:54pm*

**Physics**

I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be the highest to gain the potential energy (PE). I hope someone can help with this example I just made up to help me understand: 1st Hill: 50 m from ...
*Wednesday, March 9, 2011 at 5:56pm*

**2nd grade **

How do do the worksheet, guess my rule with two rules. Guess each rule and write it down. Using shapes.
*Thursday, February 10, 2011 at 12:35am*

**math**

The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2 These are my choices a 4 to the 8th power b 2 to the 8th power c 4 to the 2nd power d 2 to the 2nd power
*Saturday, February 5, 2011 at 10:47pm*

**2nd grade math**

It is greater than 7 tens and less than 8 tens. The number. Has 4 ones. Write the number word
*Tuesday, December 7, 2010 at 8:48pm*

**2nd grade**

If i have this number, 312. Which number is in the tens place and which is in the ones place?
*Monday, November 29, 2010 at 7:14pm*

**Math**

2nd grade math question. Kara's shirt has 3 more tens than ones. The value of the ones is greater than 4 and less than 6. What is the number?
*Wednesday, November 10, 2010 at 6:30pm*

**2nd grade**

jose worked for 13 minutes weeding the garden. when he has worked 20 minutes he will get a dollar, how many more minutes does he need to work to get the dollar?
*Thursday, November 4, 2010 at 8:19pm*

**2nd grade**

I'm a number using only 5 base ten blocks between 150 and 250, and the number in the tens place is half the number in the ones place
*Tuesday, October 26, 2010 at 8:25am*

**math 2nd grade**

i am inside the path numbers 7,6,9,3 i am the difference of 2 numbers outside the path 7,6,9,3,what number am i
*Sunday, October 17, 2010 at 11:43pm*

**math/2nd grade**

One box holds 16 crayons. Another box holds 24 crayons. Write a sentence using words that compare the crayons in the two boxes. (not a number sentence 24>16)
*Wednesday, October 13, 2010 at 2:03pm*

**2nd grade math**

Shawn is writing down the family recipes in a cookbook. He has 21 recipes left to write down. He has 3 pages left to fill up. If he wants to put the same number of recipes on every page, how many goes on each?
*Thursday, October 7, 2010 at 8:04pm*

**Math 2nd grade **

It is greater than 7 tens and less than 8 tens. the number has 4 ones. write the number word
*Wednesday, October 6, 2010 at 11:43pm*

**2nd grade**

Please tell me which sentence is correct. Adrian chose him and I for the job. *Adrian chose him and me for the job.
*Tuesday, September 28, 2010 at 9:23am*

**2nd grade**

my son has a project on Georgia's Landforms, I don't know wht to do or where to start. Will you please give my an example on what I can do. They are allowed to use shoe boxes, styrofoam balls, cardboard boxes, clay play dough, popsicle sticks, tissue and paper towel ...
*Saturday, September 25, 2010 at 6:24pm*

**2nd grade**

it says i must pick a number between 1 and 100 then describe the number using the word before, after and between. PLZ HELP
*Wednesday, September 1, 2010 at 8:03pm*

**arithmetic**

WAT IS 2/3 TO THE 2ND POWER TIMES 3/5 TO THE 2ND POWER
*Wednesday, July 7, 2010 at 3:45pm*

**2nd grade**

there are 20 pages in jamals book he read 1/5 of the book how many pages did he read
*Tuesday, May 11, 2010 at 4:30pm*

**2nd grade**

there are 16 children in room a. there are 11 children in room b. can they make 2 equal teams? How many children would be on each team?
*Tuesday, April 20, 2010 at 4:49pm*

**elemmanarty algebra**

Divide xy to 3rd power -3xy to 2nd power +2x to 2nd power y by xy
*Saturday, April 17, 2010 at 3:32pm*

**math**

5p to the 2nd power t + 3p to the 2nd power t = ?
*Wednesday, April 7, 2010 at 8:52pm*

**Statistics**

Two cards are drawn in succession from a standard deck of 52 cards without replacing the first one before the second. a) Are these outcomes are independent? Why? b) Find P ( 3 on 1st card and 10 on the 2nd card) c) Find P( 10 on the 1st card and 3 on 2nd card) d) Find the ...
*Tuesday, March 9, 2010 at 12:12pm*

**Math - average grade**

Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade? This is NOT my homework...
*Wednesday, February 17, 2010 at 10:32am*

**2nd grade**

guess rule with letters. Fit the rule AEFHIKLN Do Not fit BCDGJOP HOW TO FIND THE RULE?
*Wednesday, January 27, 2010 at 2:42pm*

**2nd grade**

lucy's shade is covering nine-twelfths of her window. draw and clor nine-twelfths of a square to show lucy's window.Write te correct fraction
*Wednesday, January 20, 2010 at 6:23pm*

**reading**

hi!i am an adult. iam 44 years old,i am at a 2nd grade level.i havent gone to school when i was a child i would like some educatiod. please if you can give me some exercises to do on adaily basis i would really appreciate. Thank you. Buddy
*Saturday, December 19, 2009 at 4:59pm*

**11th grade**

The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?
*Friday, November 6, 2009 at 12:30pm*

**8th Clinton Junior High School**

What is the Dividing Power of 12 a to the 2nd power or squared b to the 3rd power of cubed over or Divided by 6 a to the 2nd power b
*Thursday, November 5, 2009 at 11:37pm*

**2nd grade**

mom weighs 100 pounds her son weighs 450 pounds. how many pounds do they weigh in all?
*Tuesday, November 3, 2009 at 6:18pm*

**2nd grade**

how do you multiply a 2-digit number times a 1-digit number.
*Saturday, October 31, 2009 at 5:15pm*

**2nd grade**

DOL Quiz 9/2 1.do you want to visit milwaukee wisconsin 2.dontcha like peanuts raisins and apples 3.mr brown said he came here yesterday 4.her want to read al s books 5.we aint very tired now 6.them boys won t play with us thank u
*Wednesday, October 21, 2009 at 1:04am*

**external/internal character analysis**

Hi, I need to prepare a demo lesson for 2nd grade on teaching character internal/external traits to students the lesson needs to be 40 minutes can you give me any ideas
*Sunday, October 18, 2009 at 9:17pm*

**2nd grade**

Math i have 7 ten rods and 3 units squares. i am playing Win A Flat, i rolled a 9. how many ten rodes do i have after the exchanges?
*Wednesday, October 14, 2009 at 10:11pm*

**MATH**

omg i hate my h.w no one can answer it ....like wtf! who invented the mathematical method Xto the 2nd power multiplied by y= 49 to the 2nd power multiplied by 2a-y? and nicknamed witch?
*Wednesday, October 14, 2009 at 7:16pm*

**math**

who invented the mathematical method Xto the 2nd power multiplied by y= 49 to the 2nd power multiplied by 2a-y? and nicknamed witch?
*Wednesday, October 14, 2009 at 7:04pm*

**2nd grade**

What 2 words make this compound word? The word is cowgirl. Also name two words in the ill family
*Wednesday, October 7, 2009 at 1:36am*

**11th grade**

if a container starts with 60 liters and the 1st hour it has half the liters and the 2nd hour it has 1/3, how long before there are 10 liters?
*Thursday, September 24, 2009 at 6:37pm*

**2nd grade**

Teacher wants below words sorted by Pattern. What does that mean? here are the words: did, fin, pick, nine, pipe, rip, mix, five, side, hike, cape, made, because, off, picture, deaf, language, signing, cultures, relatives, celebrate. We dont know where to begin.
*Wednesday, September 23, 2009 at 12:37am*

**math**

When solving a system using elimination on a TI-84 calculator how do you do it? I forgrt all the steps heres the ones i know 1. 2nd (button) Matrix 2. Edit Matrix A 3. Edit Matrix B 4. 2nd (button) Quit what's next? Thanks
*Wednesday, September 16, 2009 at 7:30pm*

**Algebra**

Simplify the following [2x / (3x (2nd power) - 5x - 2] + [(x-1) / (x (2nd power) -x - 20)]
*Monday, September 14, 2009 at 1:22pm*

**Math**

x(2nd power)+ 2x - 3 ________________________ (Divided by) x (2nd power) + 3x
*Wednesday, September 2, 2009 at 4:03pm*

**algebra 2**

i have a piece of wood 72 inches long i cut it into 3 peices. the 2nd peice is 6 inches longer than the 1st the third id 6 inches longer than the 2nd. write and equation and solve??
*Thursday, August 6, 2009 at 10:26pm*

**maths 4th grade**

In end of term tests Zanna got the following marks mathematics 54/75 history 27/40 geography 39/50 english 48/60 french 25/40 art 15/20 what was her best subject her 2nd best her 3rd her 4th her 5th her 6th please show workings
*Friday, June 26, 2009 at 2:19pm*

**2nd grade**

Kayla has these strawberries. She will give four strawberries to each of her three friends. How many strawberries will be left for Kayla?
*Sunday, April 26, 2009 at 2:04am*

**Physics**

This is a basic question on motion. I must choose a procedure to test sideward motion and have no clue where to start. I am in 2nd grade so this test needs to be relatively simple. Thanks!
*Monday, April 20, 2009 at 9:42am*

**business calculas**

A cylindrical can is to hold 20 pie mraised to the 3rd power. The material for the top and bottom costs $10/m raised to the 2nd power and material for the side costs $8/m to the 2nd power. Find the radius r and height h of the most economical can.
*Sunday, April 5, 2009 at 11:49pm*

**2nd grade math**

in a lesson about reading strategies and making predictions in math i was asked this... celia has a new kitten. it is 5 inches tall. will it be 5,12, or 24 inches tall when it is grown up? how do i fgure this out?
*Thursday, April 2, 2009 at 3:35pm*

**question**

bus holds 66 people. Starts out empty. Picks up 1 person at the 1st station. 2nd person at the 2nd station 3rd person at the 3rd station and so on. No one gets off. After how many stations will fill up the bus Show your work- explain your thinking?
*Wednesday, January 21, 2009 at 10:00am*

**2nd grade Math**

Wich 3 flowers add up to 85 cents? Tulip-48 cents Rose-52 cents Dafidale-25 cents Viloit-37 cents Sunflower-23 cents
*Wednesday, January 7, 2009 at 7:22pm*

**math need help please**

-9 to the 2nd power - (-6) to the 2nd power
*Wednesday, November 5, 2008 at 11:43am*

**american history**

ok im doing a crossword puzzle on the constitution info...i'm doing 11th grade history and i just need 2 answers left... the 1sr is , powers of both the state and federal governments (but the third letter is s) ..2nd is and anti federalist (during the constitution time)
*Sunday, October 5, 2008 at 5:02pm*

**Math**

1st plane flew at 600km/h 15 minutes later..... 2nd plane flew at 700km/h how long did it take the 2nd plane to overtake the 1st plane? for my answre, I got 1.75h Is this correct? The book said it was 1.5 Thanks
*Tuesday, September 30, 2008 at 11:00pm*

**math 7th grade**

what is the change in temp when the thermometer reading moves from the 1st temp to the 2nd temp. 20degree F to -10 degress F.Please explain to me how you get the answer for future problems.
*Monday, September 22, 2008 at 8:50pm*

**7th grade algebra**

Cliff diver jump from a height of 85 to 115 feet above the water. After t seconds the diver has fallen 16tto the 2nd power feet. does the diver jumping from 85 feet reach the surface of the water within 2 seconds- why or why not.
*Wednesday, August 27, 2008 at 11:26am*

**MATHS&SCIENCE**

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd ...
*Friday, July 11, 2008 at 7:19am*

**MATHS&SIENCE**

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd ...
*Friday, July 11, 2008 at 7:13am*

**Algebra**

Mutiplying a Binomial by a Trinomial (FOIL) First, Outer, Inner, Last Method (3X+2)(X-1)(X+3) I have tried equation several times. The book says the answer is: 3X 3rd + 8X 2nd - 5X -6 I get: 12X 2nd - 6X + 3X 3rd -4 Not sure if i am doing it wrong or if error in the book.
*Tuesday, April 22, 2008 at 1:43pm*

**Math**

2nd grade number patterns Number Series I am having problems with these 2 3 2 6 4 9 6 12 8 (what should be next?) 3 6 9 12 9 6 3 6 (what should be next?)
*Tuesday, October 23, 2007 at 7:39pm*

**math**

3 to the 5th power / 3 to the 2nd power= ?? 22 24 23 26 27 2100 213 (3^5) / (3^2) = 27 3 to the 5th power is 3 x 3 x 3 x 3 x 3. ________________________________________ 3 to the 2nd power is 3 x 3. Cancel two of the 3s on the top and the bottom. What do you have left? ...
*Tuesday, August 21, 2007 at 2:33pm*

**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*

**dividing monomials**

i dont know what to do when their is a smaller number on top Give an example and tell us what you don't understand. (-c)2d7/c2d6 d i just dont get it do u have some examples? What is X squred minus 5X plus 4 divided by X minus 1 (4^t)(8t^5) (-z)6/(-z)3 is it postive or ...
*Monday, November 20, 2006 at 8:09pm*

**physics **

Plot a speed-time graph of a car A traveling at a uniform speed of 80km/hr on the same graph plot the speed-time graph of 2nd car B starting from rest and uniformly accelarating through a maximum speed of 80km/hr a) what relations do you find between the distance covered by ...
*Sunday, August 17, 2014 at 10:02am*

**calculus**

1st digit is square root of 2nd digit 2nd digit is square of 1st sum of 3rd & 6th is 14 sum of 3rd 4th 5th & 6th is square of 4th sum of all digit is 37 multiplication of 1st & 5th is sum of 4th 5th & 6th sum of 2nd 3rd & 4th is multiplication of 1st & last.now
*Wednesday, July 23, 2014 at 10:49am*

**Calculus**

f(x)=[3x^13]e^(−7x) On which intervals is the function concave up and concave down? I know when you find the 2nd derivative, the x-values are 0, 1.34206, and 2.37222, and that the 2nd derivative > 0 at x=1.34205 and < 0 at 2.37222. How does this tell me the ...
*Sunday, May 18, 2014 at 4:16am*

**technology**

Need help on the question below. I have read all about all 3 laws but still don't understand if this would be 1st or 2nd law. "A ball is rolling in a straight line on a hardwood floor. A cat hits it from the right, so the ball rolls left. Which Law of Motion is this? ...
*Friday, March 14, 2014 at 6:58pm*

**math(QUESTION)**

Suzan has a 69 as her grade in a class. If she does a quiz worth 9% of her grade what will her grade be?
*Friday, March 7, 2014 at 11:13am*

**Math**

If 1 side of a triangle is 10 inches and the same side in a 2nd triangle is 20 inches. A 2nd side is 4 inches in the 1st triangle what is the same side in the 2nd triangle? My answer is 8 inches
*Friday, January 31, 2014 at 4:24pm*

**Math**

If 1 side of a triangle is 10 inches and the same side in a 2nd triangle is 20 inches. A 2nd side is 4 inches in the 1st triangle what is the same side in the 2nd triangle? My answer is 8 inches
*Friday, January 31, 2014 at 3:02pm*

**math**

It says sam test scores for the making period were 60,89,83,99,95,60 Suppose that sams teacher decided to base the marking period grade on the mean. What grade would sam earn? Do you think this is a fair grade explain your reasoning?
*Monday, January 27, 2014 at 8:19pm*

**5th grade math**

In the fourth grade class at Baker Elementary, 9 students are left-handed. The fifth grade has 7 left-handed students and the sixth grade has 6. The number of students in the fourth grade is 3 times the number of left-handed students in the class. The sixth grade has 3 more ...
*Sunday, December 1, 2013 at 8:35pm*

**math**

Simplify the expression. 5(x − 1) − 3(x2 + 4x + 5) − 8(x + 7) Classify the answer by number of terms and degree. 1st-degree monomial 1st-degree binomial 1st-degree trinomial 2nd-degree binomial 2nd-degree trinomial
*Saturday, October 19, 2013 at 12:12pm*

**math**

(x + 6y − 5z) − (x − 2y + 4z) Classify the answer by number of terms and degree. 1st-degree monomial 1st-degree binomial 1st-degree trinomial 2nd-degree binomial 2nd-degree trinomial
*Saturday, October 19, 2013 at 11:21am*

**Grammar Advisor**

I just cannot figure out if these answers are correct or not. Can you please help me? 78. If the sound system hadn’t failed, last night’s show would have been better. This is a correct sentence using the 1st conditional form. x This is a correct sentence using the ...
*Wednesday, September 25, 2013 at 10:13pm*

**Math**

-(5) to the 2nd power
*Thursday, September 19, 2013 at 6:50pm*

**Math**

Approximately 15% of the students in ST130 obtain A grade. If 3 students are selected at random, find the probability that a)all of them obtain A grade in ST130. b)Exactly 2 obtain A grade in ST130. c)at least one obtain A grade in ST130
*Tuesday, August 27, 2013 at 4:26am*

**conditional sentence**

1. If the sound system hadn't failed,last night's show would have been better a. this is a correct sentence using the 1st conditional form b. this is correct sentence using the 2nd conditional form C. this is a correct sentence using the 3rd conditional form answer A 2...
*Wednesday, June 12, 2013 at 6:04am*

**School (Plz read, really important)**

Am I eligible to get a President's Award for Educational Excellence or the President's Award for Educational Achievement and Daughters of the American Revolution??? Here are my grades from last year and this year so far and everything else I accomplish: 7th Grade - 93....
*Sunday, April 28, 2013 at 12:40pm*

**math**

An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4 students collected 52 cans, and the rest of the cans were collected by grade 5 students. How many cans did grade 5 collect? A.28 B.80 C.108 D.188
*Friday, March 29, 2013 at 11:34pm*

**statistics**

The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an “A” grade to the top 10% of the scores, a “B” grade to the...
*Sunday, March 24, 2013 at 5:22pm*

**Chemistry**

Can someone help me identify the functional groups and what the chiral carbons are? NOTE: THE LAST C HAS A DOUBLE BOND POINTED UPWARDS CONNECTED TO O. SORRY I TRIED MAKING IT AS CLEAN AS I CAN. STARTING FROM LEFT TO RIGHT THE 2ND C HAS A NH3 ATTACHED. THEN NUMBER 3 HAS A CH2-O...
*Wednesday, December 19, 2012 at 10:28pm*

**math**

You offer to do the dishes for your family for the next month.This month has only 31 days. You suggest that they can pay you in one of three ways: A. $0.50 each day.(I already did this;=$15.50 a month. B.$0.10 the first day,$0.20 the second day,$0.30 the third day,and so on. C...
*Monday, December 17, 2012 at 6:32pm*

**Math 8R - Operating with Scientific Notation HELP!**

Rhode Island is the smallest state. It has an area of approximately 1.55 x10 (to the 3rd power) square miles. Alaska is the largest state. The area of Alaska is 4.28 x 10 (to the 2nd power) times greater than the area of Rhode Island. What is the approximate area of Alaska in ...
*Tuesday, November 20, 2012 at 7:59pm*

**Chemistry**

Energy Level Transfer of Hydrogen's electron. For each line, determine the prinicpal energy level to which hydrogen's electron was excited. When the electron fell to the 2nd level, energy was released corresponding to each of the lines. E= 2.179X10-18 (1/n2 lo- 1/n2 hi...
*Wednesday, November 7, 2012 at 2:33pm*

**Math**

A coffee dealer mixed 12 pounds of one grade coffee with 10 pounds of another grade of coffee to obtain a blend worth $54. He then made a second blend worth $61 by mixing 8 pounds of the first grade with 15 pounds of the second grade. Find the price per pound of each grade.
*Sunday, October 21, 2012 at 12:23pm*

**science**

Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet? Also is it the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th largest planet?
*Tuesday, October 9, 2012 at 4:19pm*

**math**

Two friends decide to cycle to a picnic spot the first person cycles 5 and a 1/2 km/hour and 2nd cycles 6 and a3/4 km/hour to make up for being slow the first person starts out two and half hour earlier after how much time and distance will the 2nd person catch up with the ...
*Monday, October 1, 2012 at 11:28am*

**7th Grade Math**

They started at the 34 yard line. They need to get to the 44 yard line for a first down. On the first play they lost 12 yards and on the 2nd play they lost 8 more yards. It is now 3rd down. Please help me. Thank ya
*Thursday, September 13, 2012 at 2:12pm*

**math**

4y-y+2/Y To 2nd power+3y
*Monday, April 16, 2012 at 10:03am*

**Math**

Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term 7th term 8th term 9th term 10th term 1) ...
*Friday, March 30, 2012 at 12:23pm*

**math 2nd grade**

Dwayne eats 1/9 of the raisin bread. Francisco eats 1/3 of the raisin bread. Who eats more raisin bread?
*Wednesday, February 29, 2012 at 11:13pm*

**English 7 - Journal Entry Check**

English Homework: Journal Entry Due Tomorrow Topic - Dicuss a time when you made a decison to do something (Determination), and perservered as a result. Please check my journal entry to see if it's good. Determination When I first came in the 7th grade at (school name), I ...
*Thursday, February 2, 2012 at 5:38pm*

**math**

Marla has three secret code cards. The first shows a 37. The second card has the first box blanked out, and the second box is a 2. The two code cards together equal the third card,which is 59. What is the missing number?. This is the word problem for 2nd grade math
*Tuesday, January 31, 2012 at 7:13pm*

**2nd Semester **

2nd Semester begins tomorrow and I won't be having art anymore I'm having facs. So is there any useful tips you teachers would like to give me to get me a head start next semester. there are tons of things next semester passport day at my school, exams, fun events, ...
*Sunday, January 29, 2012 at 12:16pm*

**SLOPE MATH**

The grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
*Tuesday, November 15, 2011 at 11:38am*

**math**

the grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
*Monday, November 14, 2011 at 1:33pm*

**derivatives**

How do I find the 2nd derivative of x^(-1/15)
*Friday, November 4, 2011 at 1:56am*

**alegebra 2**

what is y=16x to the 2nd power-2x-5
*Thursday, October 27, 2011 at 9:07pm*

**algebra**

(5x to the 2nd power minus 4x plus 29) plus (3x to the 2nd power plus 8x minus 77)
*Wednesday, October 19, 2011 at 12:24am*

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