Friday

July 1, 2016
**third grade math**

Does (4+5) + 2 = 9+2? Explain
*Monday, September 12, 2011 by Alex*

**6th grade**

interview some from 9/11
*Sunday, September 11, 2011 by jonathan*

**6th grade**

describe yourself mathamatically
*Sunday, September 11, 2011 by jonathan*

**6th grade math**

60x60x24x365x186000=???
*Thursday, September 8, 2011 by kade*

**math 5th grade**

What are the multiplication combinations for 180?
*Monday, September 5, 2011 by andy*

**math**

i dot know how to do dividing apart and im in 5th grade
*Tuesday, August 30, 2011 by lacie*

**5TH grade math**

estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?
*Thursday, August 25, 2011 by Alyssa*

**6th grade math**

2 2/3 \ 1 5/6
*Thursday, August 18, 2011 by Aaron*

**Math grade 12 **

make F(x)=3/x-11 vertical asymptote
*Saturday, August 13, 2011 by F(x)=3/x-11 vertical*

**Chemistry - please help**

A substance was tested for Impurity A using liquid chromatography. 2 determinations were performed. In the 1st chromatogram, Impurity A was not detected, i.e. no Impurity A peak was observed and in the 2nd chromatogram, Impurity A peak was observed with a value of 0.3%. Is it ...
*Saturday, August 13, 2011 by elizabeth*

**Math**

The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample: 142 171 125 91 140 125 97 125 162 142 125 117 89 125 140 128 From this data set, compute the sample mean, median, mode and midrange. Compute the 1st ...
*Friday, July 29, 2011 by Jen*

**Geometry**

M and N are the midpoints of PR(which has a line over PR) and QR(which has a line over QR)respectively. Using graph paper, repeat this process from the last problem using different coordinates for P, Q, and R. How do these lengths MN and PQ compare now? What do you think you ...
*Tuesday, July 26, 2011 by Hunter Spence*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Wednesday, July 20, 2011 by Jen*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Tuesday, July 19, 2011 by Jen*

**Math-Please help :(**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Thursday, July 14, 2011 by Jen*

**stats**

Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. - Find the equation for...
*Thursday, July 14, 2011 by Celest*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Thursday, July 14, 2011 by Jen*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Thursday, July 14, 2011 by Jen*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Wednesday, July 13, 2011 by Jen*

**Math-geometry**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Wednesday, July 13, 2011 by Jen*

**Math-geometry**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Tuesday, July 12, 2011 by Jen*

**Math**

The table below shows the number of molecules in experiment B. Time(h) : 1st , 2nd , 3rd , 4th , 5th No. of molecules : 3 , 8 , 15 , 24, 35 (i) how many molecules will there be in nth hour? (ii) from which hour onwards would the no. of molecules be in experiment B?
*Saturday, June 18, 2011 by Smartypants*

**chemistry - ionization energy(check + help)**

I need help understanding by boron does not follow the ionization trend across the period is lower than the first two elements in the same period, where as it should be higher. has it got to do with the p block having an electron, which makes it easier to remove the electron ...
*Wednesday, June 8, 2011 by Farah *

**math**

a number story for grade 4?
*Wednesday, June 8, 2011 by tanvi verma*

**math grade 5**

My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can explain to her better. Thanks 3. You are using a tree diagram with 12 branches to show the possible outcome of a probability experiment What might the ...
*Monday, June 6, 2011 by saira*

**3rd grade math**

Explain how to compare 0.34 and 0.27?
*Monday, June 6, 2011 by Rae*

**science**

7th grade..... what is the function of the retina in the eye ?:)<3
*Thursday, June 2, 2011 by ruth a.*

**MAT/116**

I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
*Monday, May 30, 2011 by Vic*

**MAT/116**

I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
*Sunday, May 29, 2011 by Vic*

**Chemistry**

0.100 mol of SO2 and 0.100 mol of O2 are introduced in a flask of 1.52 L. When in equilibrium, 203 is found to be 0.0916 mol. Determine kp. 2S03(g) <-> 2SO(g) + O2(g) In order to solve this question 1st I made an ICE table and I got the values 2SO3 <-> 2SO + 02 I ....
*Saturday, May 28, 2011 by K*

**school in general**

Hi i have a question im currently in 7th grade but i was held back a year in first do you think there would be any possible way to advance to 8th grade just curios I believe I have a wide enough knowledge span to pull it off but im just questioning the wheter or not it would ...
*Friday, May 27, 2011 by JESSE*

**SCIENCE(PHYSICS)**

A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. My Solution:-1st hr. distance=40 multiplied by 0.2=8km 2nd hr.= 50 multiplied by 0.2=10km 3rd hr. =60 multiplied by 0.4=24 km Average speed=10+24+8 ...
*Wednesday, May 25, 2011 by YASH*

**math**

i'm in 5th grade what is 9/26 with a remander
*Monday, May 23, 2011 by angelina*

**4th grade math**

Ms. Sue, so how would you write 50.90
*Sunday, May 22, 2011 by bes*

**4th grade math**

how do you write 50.09 in word form?
*Sunday, May 22, 2011 by bes*

**6th Grade Math**

76 is what percent of 15??????????????????
*Sunday, May 22, 2011 by Mbaintu*

**5th Grade**

write the number13 inbase six
*Saturday, May 21, 2011 by Raja*

**4th grade math**

what is the next number in the pattern 5,3,7,5,9,7,11?
*Thursday, May 19, 2011 by jennifer*

**criminal justice**

Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.) •What are ...
*Wednesday, May 18, 2011 by nancy*

**Maths 7th grade**

How do you factorise?
*Tuesday, May 17, 2011 by Z*

**Algebra**

Could anybody help me with these two problems, or at least the 1st one? Thank you very much. „« The measure of the third angle of a triangle is 38 degrees more than the second angle. The measure of the first angle is two less than twice the second angle, Find the ...
*Monday, May 16, 2011 by Aria*

**algebra**

The value, v, of a shopkeepers inventory software program is given by v= -1/2t+5, where t is the number of years since the shopkeeper bought the program. What is the program worth four years after it is 1st purchased. Plot the point with the given t-value, 4. I have made ...
*Friday, May 13, 2011 by anonymous*

**trig **

1st-the reason i keep change my name because some of my friends are using my computer by their own name to asked questions. we are having a hard time solving each trig problems 2nd- if sin theta=0.6 and 90 degree <theta < 180 degree, find the exact value of sin 2 theta. ...
*Sunday, May 8, 2011 by minh *

**physics**

If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
*Thursday, May 5, 2011 by Allison*

**Physics**

If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
*Wednesday, May 4, 2011 by Allison*

**8th grade math**

If the sum of 1! + 2! + 3! + 4! + ... + 49! + 50! is divided by 15, what is the remainder?
*Wednesday, May 4, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?
*Tuesday, May 3, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?
*Tuesday, May 3, 2011 by Anonymous*

**5th grade math**

how do you reduce 15/20 and 8/20?
*Monday, May 2, 2011 by mary*

**8th grade math**

3.5 X 10 ________ 7 x 10^-9
*Sunday, May 1, 2011 by john*

**Chemistry 20**

Sorry, the 1st part to those 2 questions are: Hard water contains metal ions, most commonly calcium and magnesium ions. Some moderately hard water is found to contain 200ppm of calcium hydrogen carbonate.
*Saturday, April 30, 2011 by Cheryl*

**Health as a Social Institution**

1) What do you think Canadians can learn from other cultures about the treatment of illnesses? 2) Define good health, illness, and disease in your own words and use examples.* Put yourself in someone's place living in a non-Western nation. How and why might that person ...
*Thursday, April 28, 2011 by Alex L.*

**math**

There are 283 students in Walley's school and 59 of them are in the sixth grade. What is the approximate percent of student at Walley's school who are in the sixth grade
*Wednesday, April 20, 2011 by Mecca*

**math**

An average score of 90 or above in a history class receives an A grade. You have scores of 90, 89, and 85 on three exams. Find the range of scores on the fourth exam that will give you an A grade for the course. (Let N stand for your score on the fourth exam.)
*Wednesday, April 20, 2011 by lucy*

**math algebara 8th grade**

system of equations thank you 2x+3y-17 3x+y=31 2(x-3y)=24 y=3x-2 2(x+4)=24 x+y=17
*Wednesday, April 20, 2011 by amey*

**Stat**

P(A)=.10, P(B)=.30, P(C)=.40, P(D)=.10, P(F)=.10. Determined the expected grade and variance for the course.
*Sunday, April 17, 2011 by RB*

**MAth**

I don't know how to begin this one-help Janie bought 2 pairs of identical jeans at a sale.she paid regular price for the 1st pair and paid half price forthe 2nd pair.if the the total cost was $45.00,what was the regular price of the jeans? 2x-1/2x=45 ??
*Friday, April 15, 2011 by Caroline *

**grade nine math Polynomials**

4s + 3 -s = -6
*Wednesday, April 13, 2011 by peyton*

**4th grade math**

write the digit 5's value
*Tuesday, April 12, 2011 by megajolt*

**grade 9 math**

Does this answer seem correct. 2k+3=4k-5 2k-4k+3-3=-5-3 2k-4k=-5-3 -2k/-2k = -8/2 k=4
*Tuesday, April 12, 2011 by brooke*

**5th grade Math**

Explain how you can find the product of 5 and 3/4.
*Thursday, April 7, 2011 by Sarah*

**MATH**

Im Struggling with this assignment here. Would like help ASAP. Consider following situation.. You are going to buy this laptop at $1294.00 plus HST. You can also pay $50 a month for 30 months with down payment of $100. Compare following 3 scenarios using spreadsheets to ...
*Wednesday, April 6, 2011 by Anonymous*

**4th grade math**

what does 12/15 - 7/15 equal,in simplest form?
*Tuesday, April 5, 2011 by megajolt*

**math 4th grade**

is 80 sq feet the size of a kitchen or is it 8 sq ft
*Wednesday, March 30, 2011 by spencer*

**7th grade **

use backtracking to solve each e quations ?. 2x +1=9, 7k-3=32, 5(n-8)=25 2(2t-1)=14 8x-1=63 ,2x-5=15,
*Tuesday, March 29, 2011 by holiday*

**Chemistry-help needed**

Posted by candy on Monday, March 28, 2011 at 3:15pm. 0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green...
*Tuesday, March 29, 2011 by candy*

**Math**

The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
*Monday, March 28, 2011 by Mai*

**Math**

The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
*Monday, March 28, 2011 by Macy*

**math **

Please Help!! The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
*Monday, March 28, 2011 by luce*

**math**

The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
*Monday, March 28, 2011 by jj*

**Math**

The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children?
*Monday, March 28, 2011 by MX*

**chemistry - help**

0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....
*Monday, March 28, 2011 by candy*

**7th grade math**

what is an equation?
*Sunday, March 27, 2011 by holiday*

**7th grade math**

what is an equation?
*Sunday, March 27, 2011 by holiday*

**7th grade math**

2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?
*Sunday, March 27, 2011 by holiday*

**3rd grade math**

16 1/2 x 33 = is it 792
*Sunday, March 27, 2011 by Sharon*

**grade nine polynomials**

(3/4) (1/-2) + (5/6) (-1/3)
*Sunday, March 27, 2011 by brooke*

**6th grade math**

s=5m find the area of square
*Monday, March 21, 2011 by Sally*

**english (for Sra) repost**

The Lady of Shalott I have two events and have to find the quotation. 1st event The handsome, dazzling figure of Sir Lancelot rides by in his shining armour. The Lady sees him in the mirror and can no longer bear her imprisonment. 2nd event The Lady floats down the river past ...
*Sunday, March 20, 2011 by george*

**Fractions-easy 5th grade**

Multiply and divide. 1) -2 4/11(-2) 2) 5 1/7 / 4 1/8
*Saturday, March 19, 2011 by Justin*

**Social Studies**

Have you ever noticed that the most important man in America every day when you are shopping, looking through your wallet, and even going to the bank? Well…the most important man in America is our 1st president George Washington, and he is on our one dollar bill and even ...
*Thursday, March 17, 2011 by S...*

**Social Studies**

Does the following, need any changes. I yes what are they: Have you ever noticed that the most important man in America every day when you are shopping, looking through your wallet, and even going to the bank? Well…the most important man in America is our 1st president ...
*Thursday, March 17, 2011 by S...*

**Second Grade Fractions**

4/6 of 18 is ?
*Thursday, March 17, 2011 by Rosie*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4
*Wednesday, March 16, 2011 by casey*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4
*Wednesday, March 16, 2011 by casey*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4
*Wednesday, March 16, 2011 by casey*

**MATH**

A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team A’s only two runners originally earned 6 points in the ﬁrst race with both runners ﬁnishing in the top 6, but then the winner of the ﬁrst ...
*Wednesday, March 16, 2011 by ABC123DoReMi*

**English-writeacher**

Hey, I just wanted to let you know that I got the grade back for that english paper you helped me write a few weeks back...the movie analysis on A Walk to Remember. I got a B! : ) But I have a chance to revise it according to the teachers comments and turn it in for a better ...
*Tuesday, March 15, 2011 by y912f*

**4th grade math**

can u exsplain long division to me?
*Monday, March 14, 2011 by clinton*

**Physics * (Wht am I doing wrng? answ provided)**

A 6 kg block slides on a horizontal frictionless surface with a speed of 1.5 m/s . It is brought momentarily to rest when it hits a bumper that compresses a spring. The acceleration of gravity is 9.8 m/s2 .How much is the spring compressed if its force constant is 7 kN/m? ...
*Friday, March 11, 2011 by cr*

**Chemistry-help needed**

0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....
*Wednesday, March 9, 2011 by candy*

**5th grade math**

is 13/20 greater than 3/4
*Tuesday, March 8, 2011 by Olivia Hines*

**5th grade math**

3m=63
*Tuesday, March 8, 2011 by casey*

**math**

Girls are one-half of the fifth grade class.Two-tenths of these girls have red hair.Red haired girls are what fraction of the fifth grade class?
*Wednesday, March 2, 2011 by hamza*

**Unix Script**

"Using "if" statement checks for a file called "student.txt" in the current directory. Removes (deletes) the file if it exist. This file will collect last name, first name, and grade for 5 people. Use a while loop to get the information (last name, ...
*Saturday, February 26, 2011 by Tina*

**MATH Grade 12**

How do you sketch an equation like x+4=-2(y-3)^2 ???
*Thursday, February 24, 2011 by Anonymous*

**3rd grade math**

How do yu draw an array for the number 88
*Thursday, February 24, 2011 by Jim*

**French**

I have this chart thing made for french with all the months, and I basically have to list down holidays and stuff which occur in those months and that too in French. So this is what I have so far, and please add anything that I dont have. Thanks *I also have to give a ...
*Wednesday, February 23, 2011 by Ayu*

**Math**

What does I=prt mean in 7th grade verison?
*Tuesday, February 22, 2011 by Rebecca Broda*

**grade 2**

what is he probilty of rolling a dice and get a 5 if you rol it 5 time
*Friday, February 18, 2011 by eric*