Wednesday

December 2, 2015
**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*

**statistics**

5. Each year, a national achievement test is administered to 3rd graders. The test has a mean score of 100 and a standard deviation of 15. If Jane's z-score is 1.20, what was her score on the test?
*Friday, September 2, 2011 by xiomara*

**communications100 **

Select the phrase below that uses the least biased language: 1.When greeting your new boss, be sure and shake his hand. 2.The linguists received their training at Oxford. 3.Mankind should celebrate this invention. 4.Due to the bravery of the fireman, the young child was ...
*Thursday, September 1, 2011 by michelle*

**prealgebra**

IM stuck on a question. PLease help. A teacher is giving candy to his periods. First period gets 1/3 and 2nd period gets 1/4 and 3rd period gets 1/3 and finally 4th period gets 22 pieces. How many pieces did each period get? Im stuck!!
*Wednesday, August 31, 2011 by randy*

**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*

**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*

**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*

**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*

**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*

**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 by kozy*

**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*

**Chemistry**

An electron ps from the 6th to te 3rd energy level in the hydrogen atom: a) calculate the wavelength b) calculate the frequency c) calculate te enrgy d) into which spectral series would the photon be grouped? (i really just need to formulas, then i could solve myself...)
*Monday, May 23, 2011 by Ella*

**math**

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

**6th Grade Math**

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

**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**

The 5th term of an exponential sequence is 4 and of 2nd term is 35(¡)find the 3rd term (¡¡)the 6th term (¡¡¡)the sum of the first 5th term?
*Tuesday, May 17, 2011 by Job*

**Maths 7th grade**

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

**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**

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*

**physics**

Jessica weighs 540 Newtons, According to Newton's 3rd law, if the Earth pulls on Jessica 540 N, then Jessica pulls on the Earth 540 N acting in the opposite direction. If she trips while rollerblading, why will she fall to the ground
*Monday, May 2, 2011 by Kelli Kenyon*

**8th grade math**

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

**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**

A community garden is sectioned off into 12 congruent individual plots with rope as shown in the diagram. Find the total length of rope used. Then find the total length of rope needed if the garden is sectioned off into six congruent rectangles. width-4yd length-3rd
*Wednesday, April 20, 2011 by Matty*

**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*

**grade nine math Polynomials**

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

**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*

**3rd math**

I need help placing in order from least to greatest. Is this right. I don't know which is the least. 27 cups = there is 8 oz in 1 cup (27x8 is 216 oz 2 gallons = there is 16 cups in a gallon (16x2) 9 quarts= there is 4 cups in 1 qt (9x4)
*Tuesday, April 5, 2011 by Leigha*

**english**

She gave birth to her first child by her uncle at age 14 in 1990. This is showing a sign of being raped. Does this works? The psychologist help Alesha to break through her issues by using cognitive-behavioral therapy. Is "to" necessary or should take it out? Or both ...
*Wednesday, March 30, 2011 by Jackie*

**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*

**grade nine polynomials**

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

**alegebra**

a 210 ft. long rope is cut into 3 pieces. the first piece of rope is 3 times as long as the second rope. the 3rd piece of rope is 2 times as long as the second piece of rope. What is the lenght of the longest piece of rope?
*Friday, March 18, 2011 by jane*

**Second Grade Fractions**

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

**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*

**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*

**Geometric**

1) The sum of last three terms of GP having n terms is 1024 time the sume of first 3 terms of GP. If 3rd term is 5. Find the last term. 2) The sum of the first eight terms of a GP is five times the sum of the first four terms. Find the common ratio.
*Sunday, February 27, 2011 by Sniper*

**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*

**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-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*