Friday

March 27, 2015

March 27, 2015

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*

**MATHS,7TH CLASS**

A RIGHT ANGLED TRIANGLE ABC IS GIVEN,WHERE AB IS 5CM,AC IS 12CM,BC IS 13CM,AD IS AN ALTITUDE FROM A TO BC,FIND THE AREA OF THE TRIANGLE AND FIND AD ALSO.
*Saturday, February 19, 2011 at 9:18am*

**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**

How did you get c=1/5 when you have 5c=2/3 divided by 2/3?
*Sunday, January 30, 2011 at 11:51am*

**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*

**6th grade math**

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

**9th grade alegbra**

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

**9th grade alegbra**

solve df + 10h=3 for h
*Tuesday, January 11, 2011 at 8:11am*

**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*

**3rd grade social studies**

what is agora
*Tuesday, January 4, 2011 at 8:44pm*

**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**

divide 6358 by 100
*Monday, December 27, 2010 at 2:20pm*

**7th Pre-Algebra Word Problem**

Approximately one-seventh of the people in the United States are left-handed. The population of the United States is about 300 million. Write and solve an equation to estimate howmany people in the United States are left handed.
*Monday, December 20, 2010 at 7:33pm*

**4th grade**

23x17 in expanded algorithm
*Monday, December 20, 2010 at 6:24pm*

**5th grade**

what expression shows the factors of 27?
*Friday, December 17, 2010 at 1:19am*

**5th grade**

what is the magnitude estimate for 78.6 divided by 6
*Thursday, December 16, 2010 at 5:58pm*

**5th grade**

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

**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*

**5th grade**

how old was Anne when she died
*Monday, December 13, 2010 at 5:50pm*

**8th grade**

I want write in english please help me
*Monday, December 13, 2010 at 5:38am*

**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*

**math(7th)**

Can someone PLEASE help me:{ I never understand math. I always have a B in this class. ow do I find the unit rate of $11.49 for 3 packages?? I have to round ti the nearest hundredth if necessary.... :) thank ya!!!
*Thursday, December 9, 2010 at 9:20pm*

**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*

**Math 7th**

Mrs. Jones bought 3 1/2 pounds of ajita meat at $2.50 per pound, 1 3/4 pounds of pinto beans and a package of tortillas for $2.23. She gave the cashier 20.00. What other information is needed to find the correct change Mrs.Jones will receive?
*Tuesday, December 7, 2010 at 8:43pm*

**Math 7th**

Mrs.Flores bought 5 pounds of cheese. He used 2 1/4 pounds for cheese spread. 1 3/4 pounds for nachos and the rest for sandwhichs. Write a procedue that could be used to find the number of pounds of cheese he used for sandwhiches
*Tuesday, December 7, 2010 at 8:16pm*

**5th grade**

compkete the pattern 25____61____97
*Tuesday, December 7, 2010 at 7:34pm*

**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*

**6th grade**

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

**1st grade**

how many different ways can you get to the sum of 4
*Monday, December 6, 2010 at 4:16pm*

**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*

**5th grade math**

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

**5th grade**

Draw a triangle with a perimeter of 50 ft.
*Tuesday, November 30, 2010 at 5:18am*

**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*

**2nd grade**

what is the antonym of the word smooth
*Sunday, November 28, 2010 at 10:11pm*

**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*

**6th grade**

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

**4th grade math**

how do u make mm into cm
*Monday, November 22, 2010 at 7:06pm*

**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*

**8th grade**

find the nth term A1=6, d-3, n=10
*Wednesday, November 17, 2010 at 8:02pm*

**8th grade**

can u simpilify 24 radical 152?
*Wednesday, November 17, 2010 at 7:22pm*

**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*

**4th grade**

why is 7 times 8 not a number sentance
*Tuesday, November 16, 2010 at 8:10pm*

**4th grade math**

31 X 19 in expanded algorithm
*Tuesday, November 16, 2010 at 5:39pm*

**8th grade**

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

**12th grade**

The trem hierarchy refers to
*Tuesday, November 16, 2010 at 3:29pm*

**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*

**9th grade algebra **

solve.(polynomials) 3(x-5)=45
*Tuesday, November 16, 2010 at 12:24am*

**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*

**9th grade**

1+9a-8=8a
*Sunday, November 14, 2010 at 8:34pm*

**8th grade math**

what percent of 200 is 40
*Sunday, November 14, 2010 at 4:28am*

**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*

**8th grade math**

Solve for x. 6 - x = -10 + 7 my answer: x = 9
*Saturday, November 13, 2010 at 12:26pm*

**10th grade**

If m<pqs=3x+13and m<sqt=6x-2,
*Saturday, November 13, 2010 at 8:03am*

**9th grade**

What is a parent function?
*Friday, November 12, 2010 at 2:40pm*

**4th grade algebra**

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

**9th grade**

how do i use the distributive property???
*Thursday, November 11, 2010 at 9:44pm*

**5th grade**

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

**5th grade**

if 5/17 of region is shaded what part is not?
*Thursday, November 11, 2010 at 8:23pm*

**Sixth grade math**

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

**12th grade**

How many moles of atom are in 47 atoms Ba?
*Monday, November 8, 2010 at 11:30pm*

**12th grade**

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

**8th grade**

How do you calculate the slope of a line?
*Monday, November 8, 2010 at 9:12am*

**5th grade**

find the missing sum 3+9+15+....+87
*Sunday, November 7, 2010 at 10:36pm*

**grade 1 math**

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

**10th grade**

What is the compound name fo HC2H3O2?
*Friday, November 5, 2010 at 5:41pm*

**1st grade**

what are the rules or attributes for shapes
*Wednesday, November 3, 2010 at 6:00pm*

**6th grade**

how does geothermal energy work ?
*Wednesday, November 3, 2010 at 9:53am*

**6th grade**

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

Pages: <<Prev | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | **22** | 23 | 24 | 25 | 26 | 27 | 28 | Next>>

Post a New Question | Current Questions