Thursday

July 30, 2015

July 30, 2015

**Math Trivia**

1) A school has 1-- closed lockers. Larry comes into the school and "toggles" every second locker, then Fred toggles every 3rd, Bob every 4th, etc, up to Zoe who toggles every 100th locker. After all this"toggling" how many lockers are open? 2) If you take ...
*Monday, February 21, 2011 by Josh*

**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 by candy*

**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 by candy*

**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 by candy*

**6th grade science fair project**

Each week up until fair time we have to turn in one aspect of our project. This week it deals with our conrol, dependent and independent variables and constants. I will tell you that I got my idea form sciencebuddies. My project is Ocean Currents: Modeling the 'Global ...
*Wednesday, February 16, 2011 by Reed*

**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 by Rachal*

**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 by Rachal*

**Math**

I need help with these three math question. 1st question. What is the additive inverse of 5 on the 12-hour clock? 2nd question. What is the equivalent number on the 12-hour clock. -22 the choices for this question is, 5 or 2 or 3 or 1. 3rd question. I need to find the additive...
*Saturday, February 5, 2011 by Kimberly*

**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 by Sam*

**6th grade math**

What is 4 divided by n is 1/2?
*Sunday, January 30, 2011 by Anna*

**6th grade math**

what is 1/4*1/2=4d?
*Sunday, January 30, 2011 by Sara*

**6th grade math**

How did you get c=1/5 when you have 5c=2/3 divided by 2/3?
*Sunday, January 30, 2011 by Anna*

**6th grade math**

Is the answer to G - 2 2/5 = 5 4/5 G = 7 6/5 ?
*Sunday, January 23, 2011 by Suzanne*

**statistics**

if this are class scores and in one week i have bimodal distribution,another week a positive skew,3rd week a normal distribution and 4th week negative skew.what does this different scores tells you about thios tests , what is happening to the students scores overtime. what ...
*Saturday, January 22, 2011 by frances*

**advance algebra**

find three numbers such that the second is 6 less than 3 times the first , and the third is 2 more than 2/3 of the 2nd.The sum of the three numbers is 172. use x=1st number y=second number z= 3rd number please help...thanks a lot!!
*Wednesday, January 19, 2011 by A-D*

**6th grade math**

How many 5/6's are in 1? Is the answer 6/5 ??
*Saturday, January 15, 2011 by Suzanne*

**algebra**

from our text book "Bittenger, M. L. & Beecher, J. A. (2007). Introductory and intermediate algebra (3rd ed.). Boston: Pearson-Addison Wesley" can someone please help me with "Review examples 2, 3, and 4 in section 8.4 of the text. •How does the author ...
*Thursday, January 13, 2011 by judyanne*

**9th grade alegbra**

solve -5/6=2/3(3c+4)
*Tuesday, January 11, 2011 by james*

**9th grade alegbra**

solve df + 10h=3 for h
*Tuesday, January 11, 2011 by james*

**science**

3 forces act concurrently on an object. First force acts 75 N north. 2nd acts 100 N east. 3rd acts 89 N at 15 degrees south of west. What is resultant force? b) what is equilibrant?
*Monday, January 10, 2011 by anonymous*

**3rd math**

The commutative, or order, property applies to which operations? A. Add & Multiply B. Subtract & Mutiply C. Add & Subtract D. Mutiply (we chose A - is this correct?)
*Monday, January 10, 2011 by Anonymous*

**6 grade math**

Dividing 22/7 / 5
*Monday, January 10, 2011 by Aaron*

**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 by Anonymous*

**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 by Serina*

**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 by dk*

**5th grade math**

subtract 1/2 from 5/6
*Monday, January 3, 2011 by jill*

**4th grade**

if b x w = 24, b x b = 16 what is the value of w x w?
*Monday, January 3, 2011 by dk*

**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 by michelle*

**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 by michelle*

**5th grade**

divide 6358 by 100
*Monday, December 27, 2010 by chris*

**4th grade**

23x17 in expanded algorithm
*Monday, December 20, 2010 by jayline*

**5th grade**

what expression shows the factors of 27?
*Friday, December 17, 2010 by trent*

**5th grade**

what is the magnitude estimate for 78.6 divided by 6
*Thursday, December 16, 2010 by matt*

**7th grade**

how dose mitosis let you survive?
*Tuesday, December 14, 2010 by sherry*

**5th grade**

7 5/12 - 5 7/12
*Tuesday, December 14, 2010 by jessica*

**Math 7th grade**

40/n = 28/22 what is n?
*Monday, December 13, 2010 by Ruben*

**4th grade**

what is 27×19 in expanded algorithm?
*Monday, December 13, 2010 by samantha*

**11th grade**

20xsquared+40 x+15=0
*Monday, December 13, 2010 by bob*

**5th grade**

how old was Anne when she died
*Monday, December 13, 2010 by danaya*

**8th grade**

I want write in english please help me
*Monday, December 13, 2010 by bina*

**Math 8th grade**

.02(2X-3)-0.03(3x(.2)=-.02
*Sunday, December 12, 2010 by Drew*

**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 by Alyssa*

**8th grade**

Solve 3r + 18 ¡Ü 6r
*Saturday, December 11, 2010 by Dean*

**10th grade**

If ab=6y & bc=8y What is BD In Terms Of Y.??
*Friday, December 10, 2010 by Anonymous*

**7th grade**

how do i solve a+3/5=24/25
*Thursday, December 9, 2010 by ryan*

**6th grade**

how do you do rate of change?
*Wednesday, December 8, 2010 by alexandra*

**5th grade**

What is the mode of these # 19,20,32,26
*Wednesday, December 8, 2010 by Michelle*

**7th grade**

2(2.5b-9) + 6b= -7 what is b
*Wednesday, December 8, 2010 by Daniel*

**7th grade math**

9.8c + 8d - 4.6c + 2.9d simpilfy the expression
*Tuesday, December 7, 2010 by Daniel*

**5th grade**

compkete the pattern 25____61____97
*Tuesday, December 7, 2010 by johnathan*

**12th grade**

How many moles are in 8.8*10 to the 34
*Tuesday, December 7, 2010 by yuo*

**10th grade**

2x-y=-5 -2x-5y=11
*Tuesday, December 7, 2010 by star*

**6th grade**

-20 / (-10)=
*Tuesday, December 7, 2010 by jesse*

**6th grade**

-17-(-5)
*Tuesday, December 7, 2010 by jesse*

**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 by cindy*

**7th grade**

is y=x/7 a direct variation????
*Monday, December 6, 2010 by Cristina*

**6th grade**

what is 30 1/4-29 1/3
*Monday, December 6, 2010 by Sara*

**1st grade**

how many different ways can you get to the sum of 4
*Monday, December 6, 2010 by Anonymous*

**Language Arts**

I have to write a research paper for L.A. and it must be comepletely in 3rd Person. I have all the research information and how i am organizing the paper but i can't seem to figure out how to start it off. How can i write a good introduction?
*Sunday, December 5, 2010 by Anonymous*

**10th grade**

if AB=3x-2 and BC=x+6, what is x?
*Sunday, December 5, 2010 by Ian*

**6th grade**

what is the metalloids of shininess
*Saturday, December 4, 2010 by destiny *

**7th grade**

2.4 X 10 to the 4th in standard form
*Thursday, December 2, 2010 by Chase*

**8 th grade math**

2a+ab=c solve for a
*Wednesday, December 1, 2010 by joe*

**5th grade math**

6 1/8 - x = 1 7/8 ? would it be 4 1/8 = x
*Tuesday, November 30, 2010 by jill *

**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 by Needs Help*

**5th grade**

Draw a triangle with a perimeter of 50 ft.
*Tuesday, November 30, 2010 by Chance*

**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 by E*

**5th grade**

what is 9 /24794
*Monday, November 29, 2010 by pamela*

**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 by melissa*

**2nd grade**

what is the antonym of the word smooth
*Sunday, November 28, 2010 by paige*

**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 by jill*

**5th grade**

whats the gcf of 16 and 42 why
*Sunday, November 28, 2010 by kristi*

**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 by alyssa*

**7th grade math**

30 = 12d
*Friday, November 26, 2010 by Chris*

**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 by JOSHUA BAME*

**6th grade**

What is 5/8 of 1/50?
*Monday, November 22, 2010 by Anonymous*

**4th grade math**

how do u make mm into cm
*Monday, November 22, 2010 by cyress*

**7th grade math**

how do i subtract intergers
*Saturday, November 20, 2010 by oh noes he didnt*

**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 by Anonymous*

**5th grade (thomas)**

6 - m = 2 and 3/10
*Wednesday, November 17, 2010 by Jill*

**5th grade**

6-m=2 3/10 would that be m=3 7/10 thank you.
*Wednesday, November 17, 2010 by Jill*

**5th grade**

what number is 3/8 of 6?
*Wednesday, November 17, 2010 by Jill*

**8th grade**

find the nth term A1=6, d-3, n=10
*Wednesday, November 17, 2010 by Caroline*

**8th grade**

can u simpilify 24 radical 152?
*Wednesday, November 17, 2010 by naomi*

**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 by bianca*

**12th grade**

what is genetic engineering?
*Wednesday, November 17, 2010 by marcia*

**11th grade**

Solve for x:9x^2-49=0
*Tuesday, November 16, 2010 by Sam*

**4th grade**

why is 7 times 8 not a number sentance
*Tuesday, November 16, 2010 by peter*

**4th grade math**

31 X 19 in expanded algorithm
*Tuesday, November 16, 2010 by bob*

**8th grade**

(18 - (-4))divide (-11) (-4) + 2
*Tuesday, November 16, 2010 by gavin*

**12th grade**

The trem hierarchy refers to
*Tuesday, November 16, 2010 by Sam*

**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 by Judy*

**world issues- amazon deforestation**

Hi. I was assigned an essay that I have to get done by 2morrow. It is about Amazon rainforest deforestation. I have to sum everything up into 3 paragraphs. 1st paragraph- tell what's happening here; I already did this. 2nd & 3rd paragraphs- describe how you would stop ...
*Tuesday, November 16, 2010 by Abby*

**9th grade algebra **

solve.(polynomials) 3(x-5)=45
*Tuesday, November 16, 2010 by elizabeth*

**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 by Tanner *

**9th grade**

1+9a-8=8a
*Sunday, November 14, 2010 by alicia*

**8th grade math**

what percent of 200 is 40
*Sunday, November 14, 2010 by chasity*

**8th grade math**

7z - z
*Saturday, November 13, 2010 by chasity*

**8th grade math**

what is 35% 440
*Saturday, November 13, 2010 by chasity*

**8th grade math**

Solve for x. 6 - x = -10 + 7 my answer: x = 9
*Saturday, November 13, 2010 by Elizabeth*