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October 23, 2014

October 23, 2014

Post a New Question | Current Questions

**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 at 1:23am*

**math**

a number story for grade 4?
*Wednesday, June 8, 2011 at 3:19am*

**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 at 8:55pm*

**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 at 12:26am*

**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 at 11:55pm*

**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 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Sunday, May 29, 2011 at 7:57pm*

**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 at 6:48pm*

**AP Physics**

A Young's double slit has a slit separation of 2.50x10 raised to the -5th power m on which a monochromatic light beam is directed. The resultant bright fringes on a screen 1.00 m from the double slit are separated by 2.30x10 raised to the -2nd power m. What is the ...
*Sunday, May 22, 2011 at 5:45pm*

**6th Grade Math**

76 is what percent of 15??????????????????
*Sunday, May 22, 2011 at 10:20am*

**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 at 1:03am*

**Maths 7th grade**

How do you factorise?
*Tuesday, May 17, 2011 at 1:05pm*

**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 at 3:22am*

**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 at 3:38am*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?
*Tuesday, May 3, 2011 at 11:23pm*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?
*Tuesday, May 3, 2011 at 11:23pm*

**8th grade math**

3.5 X 10 ________ 7 x 10^-9
*Sunday, May 1, 2011 at 11:57pm*

**math **

find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
*Thursday, April 28, 2011 at 5:45pm*

**math**

simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
*Thursday, April 28, 2011 at 5:34pm*

**math**

4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power
*Thursday, April 28, 2011 at 5:02pm*

**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 at 9:23pm*

**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 at 9:22pm*

**grade nine math Polynomials**

4s + 3 -s = -6
*Wednesday, April 13, 2011 at 12:43pm*

**arithmetic**

In an arithmetic progression the sum of the first 10 terms is 50 and the 5th is three times the second term. Find the fisrt term and the common difference.
*Tuesday, April 12, 2011 at 4:46pm*

**lotto 5/90 maths**

Winning Machine 55 44 16 38 24 - 37 62 65 90 29 12 70 16 65 74 - 25 83 57 46 80 37 69 72 14 8 - 86 40 22 6 24 what game will this 1st to 3rd week produce for 4th and 5th week winning
*Tuesday, April 12, 2011 at 9:10am*

**algebra 2**

the loudness L of a sound in decibels is given L=10log10R, where R is the sound's relative intensity. if the intensity of a&nb&#...
*Monday, April 4, 2011 at 7:13pm*

**Criminal Law**

Should someone be force to testify or why should they testify even if they are under oath? I thought that the 5th or 6th amendment protects a person from testify even if they have nothing to hide. Is this true? Which amendment give an individual the right not testfiy agasint ...
*Tuesday, March 29, 2011 at 5:50pm*

**7th grade math**

what is an equation?
*Sunday, March 27, 2011 at 11:34pm*

**7th grade math**

what is an equation?
*Sunday, March 27, 2011 at 11:34pm*

**7th grade math**

2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?
*Sunday, March 27, 2011 at 7:42pm*

**3rd grade math**

16 1/2 x 33 = is it 792
*Sunday, March 27, 2011 at 5:39pm*

**grade nine polynomials**

(3/4) (1/-2) + (5/6) (-1/3)
*Sunday, March 27, 2011 at 3:46pm*

**Algebra 2**

PLEASE HELP-DUE APRIL 5TH, 2011!!!! EARTHQUAKES an earthquake rated at 3.5 on the Richter scale is felt by many people, and an earthquake rated at 4.5 may cause local damage. The Richter scale magnitude reading m is given by m = log (base 10) x, where x represents the ...
*Sunday, March 27, 2011 at 2:46pm*

**Second Grade Fractions**

4/6 of 18 is ?
*Thursday, March 17, 2011 at 12:21am*

**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 at 2:18pm*

**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 at 8:29pm*

**pre algebra**

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?
*Thursday, March 10, 2011 at 9:20pm*

**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 at 7:54pm*

**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 at 9:43am*

**Chemistry-help needed**

Can we use an ACS/AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Monday, February 21, 2011 at 5:15pm*

**Chemistry-pls help**

Can we use an AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Thursday, February 17, 2011 at 2:39pm*

**Chemistry-help needed**

Can we use an AR grade chemical for UV spectrometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Thursday, February 17, 2011 at 9:10am*

**Math**

Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. I get: ...
*Saturday, February 12, 2011 at 9:05pm*

**Statistics - can someone check me**

Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. P(geo ...
*Saturday, February 12, 2011 at 5:33pm*

**Pre-Calculus**

74. Road Grade When driving down a mountain road, you notice warning signs indicating that it is a "12% grade." This means that the slope of the road is -12/100. Approximate the amount of horizontal change in your position if you note from elevation markers that you ...
*Thursday, February 3, 2011 at 4:48pm*

**english**

What is 7 letter word for finished. 3rd letter is R and 5th letter is U
*Tuesday, February 1, 2011 at 7:27pm*

**6th grade math**

What is 4 divided by n is 1/2?
*Sunday, January 30, 2011 at 3:50pm*

**6th grade math**

what is 1/4*1/2=4d?
*Sunday, January 30, 2011 at 12:12pm*

**Physics**

A cord passes over a weightless and frictionless pulley. Masses of 200 g and 300 g are attached to the ends of the cord. Find the distance the masses will move during the 5th second after they are started from rest.
*Sunday, January 30, 2011 at 5:00am*

**English**

Hello! What could I do as a lead in activity with two 5th graders? We have a 45 minute lesson tomorrow and I want to break the ice with a funny game. The topic is not important. Does anyone have something that lasts for 10 minutes?
*Thursday, January 27, 2011 at 10:43am*

**5th math**

how do you divide 302 by 33,593? how do you divide 67 by 48,384? show me step by step pleae! if you can?
*Thursday, January 27, 2011 at 12:47am*

**5th math**

Mr. davison has 30 students in his class . He has four more girls than boys. How many boys are in Mr. Davision class? can you please check my answer? I got 11 boys . does it sound about right ?
*Thursday, January 27, 2011 at 12:27am*

**5th math**

what is the average number of hot dogs sold? 12,12,13,17,21,22,22,22,22,30,32,37. please! show me this how to solve this problem? my last question for today.thank you very much without your help . it;s impossible to understand this problem.
*Thursday, January 27, 2011 at 12:06am*

**5th math**

look at the number of leters robin sorted at her job at the post office. what is the mean number of letters sorted? day------letters sat. 105 Mon. 97 Tues. 88 Wed. 86 please! show me how to do this problem.thanks!!
*Wednesday, January 26, 2011 at 11:11pm*

**5th math **

Jackie ran 4 Miles in 28.5 minutes Which equation could be used to determine the average number of minutes it took jackie to run Each mile(k)? k-4=28.5 or k+3=28.5 or k/3=28.5 or 4k=28.5 can you tell me which one is the right equation?
*Wednesday, January 26, 2011 at 10:55pm*

**6th grade math**

Is the answer to G - 2 2/5 = 5 4/5 G = 7 6/5 ?
*Sunday, January 23, 2011 at 10:19pm*

**5th math**

charlene's scores: 80,80,70,65,60,80,60,80,80. median______________ mean_____________? Kiyda's scores:75,80,95,80,100,80,95,100,80. median______________ mean_____________? can you explain this problem to me thanks!!
*Tuesday, January 18, 2011 at 11:12pm*

**6th grade math**

How many 5/6's are in 1? Is the answer 6/5 ??
*Saturday, January 15, 2011 at 8:08pm*

**Math**

the sum of the 4th term and the 5th term is 12.if the 4th term of the progression is 8, find the common ratio and the 1st term of the progression.
*Saturday, January 15, 2011 at 6:45am*

**5th math**

I need help with my math .What is the least Common Multiple (LCM) for 6,4,and 8.? please! show how you get the answer. cause, i got( 2,2,2) i'm not sure of myself at all. thank you! another one problem i'm really confuse is the Write a 9- digit numeral with 3 in the ...
*Thursday, January 13, 2011 at 10:52pm*

**9th grade alegbra**

solve -5/6=2/3(3c+4)
*Tuesday, January 11, 2011 at 10:09am*

**6 grade math**

Dividing 22/7 / 5
*Monday, January 10, 2011 at 7:23pm*

**HELP MATH **

lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the exam?
*Thursday, January 6, 2011 at 3:12pm*

**Math 12 **

sum of 2nd and 5th terms of a geometric sequence is 13. the sum of the 3rd and 6th is -39. determine: a) the ratio "r" of the sequence b) the first term "a" of the sequence
*Wednesday, January 5, 2011 at 5:25am*

**4th grade**

IF R X R X R = 27 AND R X B = 6 WHAT IS THE VALUE OF B X B X B
*Monday, January 3, 2011 at 7:44pm*

**4th grade**

if b x w = 24, b x b = 16 what is the value of w x w?
*Monday, January 3, 2011 at 6:42pm*

**law**

Over the past decade, some countries have shown high crime rates while other countries have lower crime rates. For example, the lowest homicide rates in 2000 existed in Saudi-Arabia and Japan, while France and Germany had the highest homicide rates. Their rates, however, were ...
*Sunday, January 2, 2011 at 7:27pm*

**law**

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 some of the ways that law enforcement agencies are working to reduce these types of organized crime in ...
*Sunday, January 2, 2011 at 7:27pm*

**5th math**

ms. sue please!explain to me one again i'm not getting it yet. 1/4+1/8= ? step by step please!! thank you..
*Wednesday, December 15, 2010 at 10:29pm*

**Math 7th grade**

40/n = 28/22 what is n?
*Monday, December 13, 2010 at 11:20pm*

**4th grade**

what is 27×19 in expanded algorithm?
*Monday, December 13, 2010 at 8:23pm*

**11th grade**

20xsquared+40 x+15=0
*Monday, December 13, 2010 at 8:22pm*

**Math 8th grade**

.02(2X-3)-0.03(3x(.2)=-.02
*Sunday, December 12, 2010 at 8:06pm*

**fractions**

Mr.shafier has been teaching school for 10 years.For 6 of those years he taught 8th grade.what fraction represents the time Mr.shafier has not been teaching 8th grade?I knoe the answere is 2 5ths. but how do i show work?HELP!!!!!!!!!!!!!!!
*Sunday, December 12, 2010 at 2:39pm*

**8th grade**

Solve 3r + 18 ¡Ü 6r
*Saturday, December 11, 2010 at 1:01am*

**10th grade**

If ab=6y & bc=8y What is BD In Terms Of Y.??
*Friday, December 10, 2010 at 2:05pm*

**7th grade**

how do i solve a+3/5=24/25
*Thursday, December 9, 2010 at 7:47pm*

**6th grade**

how do you do rate of change?
*Wednesday, December 8, 2010 at 8:13pm*

**7th grade**

2(2.5b-9) + 6b= -7 what is b
*Wednesday, December 8, 2010 at 2:54pm*

**12th grade**

How many moles are in 8.8*10 to the 34
*Tuesday, December 7, 2010 at 6:25pm*

**10th grade**

2x-y=-5 -2x-5y=11
*Tuesday, December 7, 2010 at 1:47pm*

**6th grade**

-20 / (-10)=
*Tuesday, December 7, 2010 at 1:24am*

**6th grade**

-17-(-5)
*Tuesday, December 7, 2010 at 12:22am*

**math**

franklin school has 3 boys for every four girls in the fifth grade. there are 140 students in the fifth grade. a.how many are boys? b.how many are girls?
*Monday, December 6, 2010 at 7:24pm*

**7th grade**

is y=x/7 a direct variation????
*Monday, December 6, 2010 at 7:06pm*

**6th grade**

what is 30 1/4-29 1/3
*Monday, December 6, 2010 at 4:26pm*

**10th grade**

if AB=3x-2 and BC=x+6, what is x?
*Sunday, December 5, 2010 at 5:20pm*

**6th grade**

what is the metalloids of shininess
*Saturday, December 4, 2010 at 6:23pm*

**5th grade math word problem**

Santa was making up a batch of dolls but could not remember exactly how many of each kind he needed. He knew that he needed 57 in total that 27 had to have blue eyes and 29 had to have fair hair. Also some had to have both features and 3 dolls were needed having blue eyes and ...
*Thursday, December 2, 2010 at 4:41pm*

**8 th grade math**

2a+ab=c solve for a
*Wednesday, December 1, 2010 at 10:24pm*

**5th math**

5.6 +(0.17 + 126)= ? (5.6______)+ 126) 69*(_____*426)=(69*426)*1.4 please! help me with these problem t hank you!! show me how you got an answer for each problem too.
*Tuesday, November 30, 2010 at 9:09pm*

**Science (6th grade, but actual 7th grade paper)**

We are learning about potential and kinetic energy. There are two ramps. One is short and the other is long. The long one is labeled A, and the short one is labeled B. On which one would a marble go the farthest after touching the ground?
*Tuesday, November 30, 2010 at 6:37pm*

**Ashford SAP for FINANCIAL AID**

I have read in the handbook about SAP.I pass 2 of 3 courses but my GPA IS 2.0 AS REQUIRED.My grade A- C+ and F which is 62.24%,since when has a grade of 62 is a F???? I know it is a D.If I am mistaken about what in the handbook for SAP so be it,but I am going to withdraw ...
*Tuesday, November 30, 2010 at 2:44am*

**statistics**

In one history class, 34 students took an exam. The mean of the exam was 52 with a standard deviation of 13. If the instructor is going to assume data are normally distributed and assign grades on a curve, then she will assign an A to the top 10% of the class, B's to the ...
*Monday, November 29, 2010 at 12:35pm*

**math**

did you know when you try to find the least commen multiple of 3 numbers you have to divide by two after you get your answer my class (ms.lott in texas) told us that for some reason its doubling the number so always divide by two once you have crossed out the commen numbers ...
*Sunday, November 28, 2010 at 6:56pm*

**7th grade math**

30 = 12d
*Friday, November 26, 2010 at 2:22pm*

**arithmetic**

THE SUM OF THE 2ND AND 5TH TERMS OF AN A.P IS 42. IF THE DIFFERENCE BETWEEN THE 6TH AND 3RD TERM IS 12, FIND THE: COMMON DIFFERENCE, 1ST TERM, 20TH TERM.
*Friday, November 26, 2010 at 5:41am*

**6th grade**

What is 5/8 of 1/50?
*Monday, November 22, 2010 at 8:45pm*

**Computer Programing & Logic Design**

Submit pseudocode and a flowchart for the following programming exercise: Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Design the following functions ...
*Saturday, November 20, 2010 at 9:35am*

**algebra**

Mixture Problems Template – Price Problems Copy the problem from the lesson: 1. A store manager wishes to reduce the price on her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for $10 per pound, how much coffee worth $6 per pound ...
*Wednesday, November 17, 2010 at 4:12pm*

**12th grade**

what is genetic engineering?
*Wednesday, November 17, 2010 at 5:59am*

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Post a New Question | Current Questions