Tuesday

October 21, 2014

October 21, 2014

Post a New Question | Current Questions

**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*

**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*

**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*

**Pre-Algebra**

Find each product or Quotient. Express using exponents. 1. The quotient of a to the 8th power and a to the 8th power? a 2. The quotient of -x to the 5th power and -x? -x to the 4th power 3. (15/5)(n to the 9th power/ n)? 3n go the 10th power Neutral water has a pH of 7. Each ...
*Tuesday, January 18, 2011 at 9:07pm*

**6th grade math**

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

**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*

**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*

**5th grade math**

subtract 1/2 from 5/6
*Monday, January 3, 2011 at 7:12pm*

**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 grade**

7 5/12 - 5 7/12
*Tuesday, December 14, 2010 at 5:38pm*

**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*

**5th grade**

What is the mode of these # 19,20,32,26
*Wednesday, December 8, 2010 at 4:43pm*

**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*

**8 th grade math**

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

**physics**

Determine the acceleration and normal force of system below. Assume no friction, the mass equal to 10.0 kg and the angle equal to 60.0 degrees. Assume gravity equals 9.8 m/s/s. The picture looks like a right triangle with a box sliding down it. I am a 9th grader in conceptual ...
*Wednesday, December 1, 2010 at 6:42pm*

**5th grade math**

6 1/8 - x = 1 7/8 ? would it be 4 1/8 = x
*Tuesday, November 30, 2010 at 11:40pm*

**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*

**5th grade**

what is 9 /24794
*Monday, November 29, 2010 at 4:42pm*

**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*

**5th grade math**

What fraction is 2/3 of 3/4 ? and 12-m = 5 2/3 ? Thank you for your help.
*Sunday, November 28, 2010 at 8:28pm*

**5th grade**

whats the gcf of 16 and 42 why
*Sunday, November 28, 2010 at 7:51pm*

**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*

**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*

**5th grade (thomas)**

6 - m = 2 and 3/10
*Wednesday, November 17, 2010 at 9:42pm*

**5th grade**

6-m=2 3/10 would that be m=3 7/10 thank you.
*Wednesday, November 17, 2010 at 9:33pm*

**5th grade**

what number is 3/8 of 6?
*Wednesday, November 17, 2010 at 9:21pm*

**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*

**11th grade**

Solve for x:9x^2-49=0
*Tuesday, November 16, 2010 at 9:29pm*

**8th grade**

(18 - (-4))divide (-11) (-4) + 2
*Tuesday, November 16, 2010 at 5:26pm*

**4th grade algebra**

What is 16 - 10 - 2 - 3 = ? What is 8 - 2 - 2 - 2 = ? What is 10 - 3 - 3 - 4 = ? What is 8 - 5 - 5 - 5 = ? What is 7 - 7 - 7 - 7 = ? What is 12 - 15 - 10 - 8 = ? What is 3 - 7 - 4 - 2 = ? What is 9 - 3 - 6 - 5 = ? What is 11 - 9 - 6 - 6 = ? What is 6 - 5 - 4 - 3 = ? What is 13...
*Tuesday, November 16, 2010 at 1:22pm*

**Math **

About 3/4 of the track team are girls. About 3/4 of these girls are in 8 th grade. What fraction of th e students are grade 8 girls? 1/3?
*Sunday, November 14, 2010 at 9:08pm*

**8th grade math**

7z - z
*Saturday, November 13, 2010 at 5:44pm*

**8th grade math**

what is 35% 440
*Saturday, November 13, 2010 at 5:22pm*

**4th grade algebra**

what is 7-7-7-7-7 eguals?
*Friday, November 12, 2010 at 11:03am*

**5th grade**

what is 1/5 of 10
*Thursday, November 11, 2010 at 9:14pm*

**Sixth grade math**

Simplify 49/7*7+6-3
*Tuesday, November 9, 2010 at 10:54am*

**12th grade**

if cos Q=5/9, find 5/9
*Monday, November 8, 2010 at 4:29pm*

**7th grade math**

1/15 in percent
*Monday, November 8, 2010 at 2:11pm*

**grade 1 math**

wat iz 15-7?
*Friday, November 5, 2010 at 11:33pm*

**6th grade**

What does 22x11= Thanks for your help!
*Wednesday, November 3, 2010 at 9:43am*

**8th grade**

98x^2-32y^2
*Tuesday, November 2, 2010 at 11:10pm*

**5th grade**

which of the fractions are bigger 5/16 or 1/2 or 1/4 or 7/16
*Tuesday, November 2, 2010 at 10:15pm*

**7th grade**

4n+8=9n-7
*Tuesday, November 2, 2010 at 12:36am*

**11th grade**

x+y>1
*Sunday, October 31, 2010 at 4:05pm*

**10th grade**

BC=3x+2 and CD= 5x-10. Solve for x.
*Saturday, October 30, 2010 at 5:51pm*

**5th grade**

What do enzymes do in digestion?
*Friday, October 29, 2010 at 5:42am*

**6th grade math**

How many 1/6s are in 1? How many 1/6s are in 1/2 ?
*Wednesday, October 27, 2010 at 11:26pm*

**6th grade**

Can you simplify 9 over 16?
*Tuesday, October 26, 2010 at 5:28pm*

**grade 9 algebra**

8x-5y-x=9-y
*Sunday, October 24, 2010 at 9:54pm*

**math**

A math teacher calculates grades as follows:Grade=[2 test averages+quiz average/3] After 3 tests and 2 quizzes your test average is 83 and your quiz average is 89. You took your fourth test today and noticed that your overall average grade has dropped to an 83. What was your ...
*Sunday, October 24, 2010 at 4:29pm*

**6th grade**

what hatchet
*Thursday, October 21, 2010 at 7:16pm*

**8th grade**

78=3c+12-c+4 solve
*Thursday, October 21, 2010 at 6:03pm*

**5th grade**

how many inches are in 15 yards?
*Wednesday, October 20, 2010 at 8:53pm*

**5th grade**

how many inches are in 15 yards?
*Wednesday, October 20, 2010 at 8:53pm*

**6th grade**

what is 3/10 divided by 13/14
*Wednesday, October 20, 2010 at 6:56pm*

**8th grade math**

1/9 = a / a + 24 solve for a
*Wednesday, October 20, 2010 at 1:07am*

**4th grade**

what is a perpidicular ray?
*Tuesday, October 19, 2010 at 8:08pm*

**12th grade**

the constitution and the changes
*Monday, October 18, 2010 at 12:35am*

**Math 7th grade**

6 11/12 - 4 5/12
*Sunday, October 17, 2010 at 9:09pm*

**Math 7th grade**

12 - 5 3/10
*Sunday, October 17, 2010 at 9:08pm*

**7th grade**

what is 14 1/2 - 7 1/5?
*Sunday, October 17, 2010 at 9:01pm*

**6th grade**

What are the d themes of geography ,
*Sunday, October 17, 2010 at 1:02pm*

**probabilityv**

A school's administrators are concerned about absenteeism at their school and the eect it has on students' grades. The following data were compiled, based on a sample of students. Student's Absent Medium Absent Grade Infrequently Absent Frequently Low 1 9 8 ...
*Saturday, October 16, 2010 at 2:17am*

**5th grade**

What do you think 24*3.7 is ???
*Thursday, October 14, 2010 at 3:58pm*

**Fourth grade math**

what is the of 7n when n is 7565?
*Wednesday, October 13, 2010 at 7:25pm*

**7th grade**

where do you add parenteses to get 6+6/6+6*6=6
*Wednesday, October 13, 2010 at 4:22pm*

**5th grade**

what is the lcm of 15,25
*Tuesday, October 12, 2010 at 8:20pm*

**6th grade**

what is the simplest form of 8/15
*Tuesday, October 12, 2010 at 8:08pm*

**8th grade**

HOW TO CONVERT IN TO MM?
*Tuesday, October 12, 2010 at 11:34am*

**8th grade**

is 53 a monomial
*Monday, October 11, 2010 at 9:39pm*

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Post a New Question | Current Questions