Thursday
July 2, 2015

Homework Help: 3rd Grade

4th grade
75-3m when m=8. Thanks!
Friday, November 18, 2011 by Dominique

calculus
a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a water viaduct has a ...
Thursday, November 17, 2011 by robert

8th Grade Help
My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she needs ...
Tuesday, November 8, 2011 by Laruen

6th grade math
which is bigger? 17/19 0r 0.85
Monday, November 7, 2011 by Kate

6th grade math
Which comparison is correct? A. < 0.05 = 50% B. 0.7 = < 10% C. < 25% < 0.9 D. 0.3 < 36% =
Sunday, November 6, 2011 by Kate

7th grade math
8/9 \1/4
Saturday, November 5, 2011 by Aaron

8th grade math in pre-algebra
6(2x+3)=42
Friday, November 4, 2011 by Anonymous

MATH 7th GRADE
7ã3 / ã 5
Saturday, October 29, 2011 by PLEASE HELP

Fourth grade math
What's range mean?
Thursday, October 27, 2011 by Zoe

MAth grade 8
y^2-4y+4/2-6y x 2y+4/3y^2-12
Wednesday, October 26, 2011 by Aldwin

Maths Grade 8
m^2-m-6 m^2 _________ x ______ m^2-9 m^2+2m
Wednesday, October 26, 2011 by Aldwin

4 grade math
complete the following problem 4+8+7/3*72
Monday, October 24, 2011 by Maria

PLZ HELP....STATS
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Sunday, October 23, 2011 by Jennifer

Stats
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Sunday, October 23, 2011 by Jennifer

Math
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Friday, October 21, 2011 by Jen

Math
There are 3 spider webs. The 1st web is twice as large as the second web. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot 6 in. How long is each web?
Thursday, October 20, 2011 by Dena

5th Grade Science
Creation of landforms??
Thursday, October 20, 2011 by Julie

math
the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school
Thursday, October 13, 2011 by clayton

math
the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade
Wednesday, October 12, 2011 by faith

Algebra Question
Luisa ran 3 miles on the 3rd day of a month, and she repeated her run every 4 days for the rest of the month. What equation describes the sequence of days of that month that Luisa ran? --- I have no idea how to begin this.
Tuesday, October 11, 2011 by Dab

math
Studies have shown a particular television commercial is understood by 25% of first grade students and 80% of fourth grade students. If a television advertising agency randomly selects one first grader and one fourth grader, what is the probability neither child would ...
Tuesday, October 11, 2011 by Khizar

healthcare
required annually pap smear: government is limiting those who have medicaid only to recevie the pap smear only every 3rd year but those you have private insurance it will cover it annually . what do you think opinions
Saturday, October 8, 2011 by jessica

3rd
to the nearest ten, a jar contains 60 marbels. What is the least number os marbels that can be in the jar? What is the greatest number?
Friday, October 7, 2011 by nath

5th Grade Math
what fraction is the largest? 3 2/3 or 3 3/4 or 3 1/2 or 3 3/5?
Tuesday, October 4, 2011 by Nicole

5th Grade Math
I just wanted to Thank you Ms. Sue for the help my son is in 5th grade and some of his homework i don't understand, and i don't want him to turn it in wrong. So if i have more of an understanding then i can help him more with his homework so he gets a better ...
Tuesday, October 4, 2011 by Nicole

social psy
) Researcher wants to look at the correlation between class attendance and grade in class (higher numbers indicating a higher grade). The researcher found the following result r = .82. The correlation coefficient tells researchers two pieces of information, the strength of the...
Monday, October 3, 2011 by deb

math 11 grade
How do you do this 5a+(9)-12e*5a+(3)
Monday, September 26, 2011 by shay

6th grade math
3/4x-2/3x=2/5
Wednesday, September 21, 2011 by Carol

5th grade algebra
4h=31-3 h=?
Thursday, September 15, 2011 by Dacia

6th grade math
but why is 2.0 bigger than 0.15?
Thursday, September 15, 2011 by Kate

7th grade math
what is a supplementary angle?
Wednesday, September 14, 2011 by saranghae12

math
Polk Elementary School has three classes for each grade level,kindergarten through fifth grade.If there is an average of 27 students per classroom,about how many students attend Polk Elementary School?
Wednesday, September 14, 2011 by felix

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 by amber

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 by amber

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

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 by Amber shall

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-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

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