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Algebra - Grade 9
Three businesses donated money to charity. 5. Business B pledged $20 million less than twice the amount pledged by Business A. Business C pledged $200 million less than twice the amount pledged by Business B. If x represents the amount pledged by the Business A, write ...
Thursday, October 6, 2011 at 6:05pm
math
im in sixth grade and im confused with this question.there are 44,000 people living in salem.(16,000~workers :2,000~preschoolers : 13,000~students : 4,000~retirees : 8,000~homemakers : 1,000~unemployed) *what fraction of the population has jobs outside home?
Thursday, October 6, 2011 at 5:24pm
Grade 9 Algebra
3. FOOTBALL The New Orleans Saints scored 7 fewer points than twice the points scored by the Pittsburgh Steelers. The two teams together scored a total of 32 points. Write and solve an equation to show how many points each team scored. --------------------------- Three ...
Thursday, October 6, 2011 at 5:10pm
math
My son is doing this in 6th grade math class. Mr. Weiss started painting the kitchen at 8:45 am and finished painting at 12:00 pm. About how many hours elapsed between the time he started painting and the time he finished painting the kitchen? Answers are 2h, 3h, 4h, and 5h. ...
Thursday, October 6, 2011 at 4:25pm
8th grade math
IF IT TOOK THE RIVERAS 18 HOURS TO DRIVE 760 MILES. WHAT WAS THEIR AVERAGE HOURLY SPEED?
Thursday, October 6, 2011 at 3:47pm
English
My essay, the writing centre told me that my introduction essay was not to the point of being a succesful student. So I changed it. Here, could you please help me rephrase it .. My two most important points are the TWO STEPS : Daily and punctual attendance and dedication to ...
Thursday, October 6, 2011 at 2:58pm
Spanish 9th grade
Is this how I say the spider is smaller than the lizard? La araña es más pequeña que la iguana.
Wednesday, October 5, 2011 at 6:08pm
history
I am helping my son who is in the 6th grade. He has a crossword puzzle that relates to early civilization and the clue is different. We have this much so far ???e??? for a total of 7 letters with an e in the middle please help.
Wednesday, October 5, 2011 at 4:23pm
Melillo Middle shcool
I need to work up a 5th grade Explorer recruitment Post for my Sicence class on Sir Frances Drake. an you give me information
Wednesday, October 5, 2011 at 11:48am
3rd grade math
are there some tutors available in person, before school this morning to help my daughter Valerie Garza?
Wednesday, October 5, 2011 at 7:51am
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 at 10:40pm
5th Grade Math
Marissa and her friends have 3 pizzas. they eat 2 1/4 of the pizzas. which model shows how much of the pizza they ate? On the pic they have they have each pizza having 8 slices each, so what would the pies that have been eaten look like?
Tuesday, October 4, 2011 at 10:11pm
5th Grade Math
Hector's bean plant grew 14 inches in 3 months. Which shows how many inches the plant grew each month? F)3/14 inch G) 3 1/4 inches H) 3 2/3 inches J) 4 2/3 inches And how do i get the answer?
Tuesday, October 4, 2011 at 10:06pm
5th Grade Math
Kate baked 3 pies for a family reunion. She cut each pie into 8 slices. the family ate 2/3 of the pies. How many slices of pie were eaten? And how would i show it if i had to show the pies?
Tuesday, October 4, 2011 at 10:02pm
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 at 9:58pm
5th Grade Math
Eduardo and his friends niked 7/4 miles. What mied number shows the distance they hiked?
Tuesday, October 4, 2011 at 9:29pm
5th grade math
Pete looked at the colors of the shoes worn by his classmates. He found that 1/5 of the class wore white shoes, 3/20 wore blue shoes, 2/5 wore black shoes, and 1/4 wore red shoes. what color shoes did the most students have on? And how would i show the work? PLEASE HELP
Tuesday, October 4, 2011 at 9:25pm
Just for "Ms.Sue"
Hey, "Ms.Sue". Ms.Sue you have been very helpful. But I keep getting stuck. 5th grade math is a challenge especially after my teachers stroked and we were out of school for almost all of September and no one in my house understands this new math either. I NEED HELP...
Tuesday, October 4, 2011 at 9:05pm
5th Grade Math
Brad filled in 24 out of 40 words on a crossword puzzle. Stewart filled in 15 out of 25 words on a different crossword puzzle. Which correctly compares the fractions of the puzzles that Brad and Stewart completed. a)2/3>3/5 b)3/5<2/3 c)6/10>3/5 d)3/5=3/5
Tuesday, October 4, 2011 at 8:50pm
4th grade Math
Miguel would like to figure out how many blocks he would need to build the 25th dragon without actually building it. He knows that there is a pattern to his hexagon dragons. Can you write a rule in words or a math expression that Miguel can use to figure out the total number ...
Tuesday, October 4, 2011 at 8:31pm
6th grade english
I'm helping out my sister with her english homework and I am confused on what to do. Underline the independent clauses once and the dependent clauses twice. Circle the phrases. Our football team is proud because the team is undefeated. The part that i don't understand ...
Tuesday, October 4, 2011 at 8:04pm
statistics
below is the test scores for students in a statistics class.80,65,79,83,60,79,90,77,84,93.the professor assigned a grade of c to students whose test scores were within 5 points of the mean in either direction .how many students got cs?list their test scores.
Tuesday, October 4, 2011 at 7:09pm
5th Grade MATH!
in Which set is 2/3 of the numbers composite? a. 21,29,15,9,27,30 b.18,5,19,33,23,20 c.10,28,21,35,19,11 d.34,12,16,32,22,8
Tuesday, October 4, 2011 at 7:07pm
Algebra 2 (Linear Programming)
The Carbon coal company has 2 mines, a surface mine ad a deep mine. it costs $200 per day to operate the surface mine and $250 to operate the deep mine. Each mine produces a medium grade and a medium-hard grade coal, but in different proportions. This surface mine produces 12 ...
Tuesday, October 4, 2011 at 1:52am
social studies
Chris must sit out the next two weeks of basketball games because of a problem with her hamstring muscle. Her eighth grade coach tells her to use this off time imagining herself out on the court. He wants Chris to feel her body running down the court, to see herself reaching ...
Monday, October 3, 2011 at 5:11pm
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 at 2:23pm
English
Ok so I'm join this contest at my school (long story but read that directions below) 7th Graders Against 8th Graders "The more that you read, the more things you will know. The more that you learn,the more places you'll go." Dr. Seuss. PROGRAM GOALS •To ...
Sunday, October 2, 2011 at 8:19pm
Letter to Teacher
Dear Mrs. Gebbia, Hi! You may not know me but my name is Laruen Jean-Baptiste. I’m currently in the 7th grade & it will be an honor for me to join the school’s newspaper this year. I love writing a lot, it’s part of my life. When I join the school’s ...
Sunday, October 2, 2011 at 7:18pm
Math
Algebra Solving Equations by multiplying OR dividing. GRADE 9 LEVEL Kurt and four friends are eating in the food court at South CenterMall. They will divide the bill equallyamong the five of them. Two friendsorder hamburgers and two order pizza.All of them order soda. Kevin ...
Sunday, October 2, 2011 at 2:55pm
Algebra
A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?
Friday, September 30, 2011 at 3:56pm
9th grade Algebra
Simplify x/6 divided by 1/6 I'm not sure how to divide fractions with a variable for the numerator.
Friday, September 30, 2011 at 11:42am
math
investigate the economics of using a higher grade of plywood for the facing when using timber fromwork . a fromwork system which is being used for concreting operations consumes the following labour and materials over 12 months : labour:6043 hours at £21.50 per hors ...
Friday, September 30, 2011 at 6:41am
8th grade History
i have no clue how to write a paragraph about the spanish conquistadors! i need help please
Friday, September 30, 2011 at 1:33am
business
A loan of face value $30,000,000 is issued in bonds each face value $300. The bonds will be repaid with a bonus of 20%. 1/5th of the total capital will be repaid each year, the first payment being at the end of the 10th year. Coupons on the outstanding bonds are 7% p.a. paid ...
Thursday, September 29, 2011 at 8:52pm
3rd grade math
Use the digits 3, 7, 1, 5 to write a number that rounds to each of the following 2,000 3,500 6,000 7,400
Thursday, September 29, 2011 at 6:46pm
6th grade science
what are two objects with the same volume. why does one feel heavier?
Thursday, September 29, 2011 at 6:43pm
6th grade math
what is 1/3 of 3/2? is that means multiply??? or devide???
Thursday, September 29, 2011 at 6:34pm
Math
Determine the coordinates of the endpoint of a segment CE with one endpoint at C(3,10) and a midpoint at (-1,-6). Disclaimer: This is 10th grade geometry.
Thursday, September 29, 2011 at 5:32pm
College
My dream is to go to Harvard University. When I grow up I want to become an artist, & creative writer (like writing stories & stuff. Here are some questions I would like to ask you guys. Please answer these questions please I know I'm too young (age 12, 7th grade) but, I ...
Thursday, September 29, 2011 at 3:01pm
4th grade math
Please help solved the below problem. Explain in words how to add 352 + 958. Make sure to explain regrouping, if necessary? Thanks, Stella
Thursday, September 29, 2011 at 2:42pm
6th grade math
i have to make a conjecture on if there is more or less than 50 numbers that can be written as product of 3 digit numbers w/o using the number 1 more than once as a factor. Example: 10 can be 1*2*5 and 24 can be 2*3*4
Thursday, September 29, 2011 at 1:50am
math
How to do polynaimals in 5th grade in the easyest form. How do you do problems like X+6=10 using all the steps instead of just Oh i now its 4
Wednesday, September 28, 2011 at 10:15pm
4th grade Math
How can making small groups helps you estimate large numbers?
Wednesday, September 28, 2011 at 9:26pm
early childhood education
1)according to the national center for education statistics which of th following is a false statement a)when it comes to grade and homework boys outperform girls in elementary secondary high school college and even graduate school. b)boys are more likely than girls to be ...
Wednesday, September 28, 2011 at 8:19pm
4th grade Math Help
1. explain why you would use front end estimation. Give an example of one time you might use it? 2. Explain in words how to add 352 + 958. Make sure to explain regrouping, if necessary? Please help! Thank you in advance.
Wednesday, September 28, 2011 at 7:42pm
4h grade math
Hi How can making small groups helps you estimate large numbers?
Wednesday, September 28, 2011 at 7:20pm
Math
How do I explain "make a 10" to my 2nd grade son for his math homework?
Wednesday, September 28, 2011 at 4:50pm
math
a rectangular pen is to be constructed alongside a barn using 120 feet of fencing. the barn will be used for one side of the pen. What should the dimensions of the pen be to maximize its area. ***Can not use calculus. This is a 9th grade question
Wednesday, September 28, 2011 at 3:42pm
Journalism
any mistakes or errors? Any suggestions to make it better? Olivia Hertog Personality Profile Written By: Bryce R Cameras are flashing everywhere, as Junior Olivia Hertog poses for her new shoot as sweat drips off her face from the heat of the lights, smearing her makeup. ...
Tuesday, September 27, 2011 at 9:17pm
7th grade social studies for ms.sue
Well ms.sue, would it be the pueblos from Acoma pueblothat is different from Albuq?
Tuesday, September 27, 2011 at 8:48pm
3RD GRADE MATH
WHATS THE ANSWER TO 10 + ? = 20 + 110
Tuesday, September 27, 2011 at 8:47pm
7th grade social studies
what are some unique facts about the Acoma pueblo? if you are going to say anything about looking in my textbook, well there is no information in ther. and i looked at some websites and they don't provide much except some original stuff. Please help!! Thank you!! p.s. ...
Tuesday, September 27, 2011 at 8:08pm
science 8th grade
how many periods are there in the main body of the periodic table?
Tuesday, September 27, 2011 at 7:36pm
2nd grade math homework
does the broken key 5 means not to use the number5
Tuesday, September 27, 2011 at 7:18pm
Algebra 9th Grade
how would you solve this? x - 5 <(or equal too) - 8
Tuesday, September 27, 2011 at 3:17pm
physics grade 11 one word term
one word/term. 1.3.The minimum amount of energy required to start a reaction. 1.4.The distance between the centre of a lens and its focal point. 1.5. The type of image formed on a screen when light rays converge.
Tuesday, September 27, 2011 at 1:03pm
Grade 12 Data Management
There are 12 questions on an examination, and each student must answer 8 questions including at least 4 of the first 5 questions. How many different combinations of questions could a student choose to answer?
Tuesday, September 27, 2011 at 9:11am
6th grade history
what were the two major uses of hieroglyphics? how did it affect egyptian culture?
Tuesday, September 27, 2011 at 4:36am
earth space science grade 11
what is Microbiologist ? I have to name 4 things that tell me what it is
Monday, September 26, 2011 at 9:20pm
math 11 grade
How do you do this 5a+(9)-12e*5a+(3)
Monday, September 26, 2011 at 9:10pm
7th grade math
What is the surface area and volume formula of a pentagonal prism? Please help! Thank you!
Monday, September 26, 2011 at 8:57pm
7th grade math
i need help with variables and patterns algebra
Monday, September 26, 2011 at 8:32pm
4th Grade Math
of the set of whole numbers from 0 to 9, what fraction are odd numbers? A.1/9 B.1/10 C.5/10 D.9/10
Monday, September 26, 2011 at 6:54pm
4th Grade Math
In the set of all whole numbers from 20 to 29,what fraction have two integers which add up to 7? A.1/9 B.1/10 C.5/10 D.9/10
Monday, September 26, 2011 at 6:51pm
12th grade physics
A person pulls a wagon through thick grass with a force of 800 N. The angle that the handle makes with the ground is 35. How much force moves the wagon forward?
Monday, September 26, 2011 at 6:40pm
Physics 12th grade
A farm tractor is pulling 2 pieces of equipment east, with each piece of equipment 25 north and south of the x axis. If it takes 50,000 N of force on each chain to keep the equipment moving, then what is the total force of the tractor in the x direction?
Monday, September 26, 2011 at 6:34pm
4th grade social study
Please HELP! what is the relative location of virginia? Thanks.
Sunday, September 25, 2011 at 9:02pm
Grade 12 Data Management
A baseball player has had 14 hits in 60 times at bat in the last 20 games. How many hits does the batter need in her next ten at bats to increase the probability of her getting a hit to 0.300?
Sunday, September 25, 2011 at 8:49pm
6th grade math
Chan drove for X miles at 45 miles an hour, Y miles at 60 miles an hour, and Z miles at 55 miles an hour. Which expression can be used to find the total numbers of hours that Chan drove? A. (45+60+55)(XYZ) B. 45X + 60Y + 55Z C. (45+60+55)/XYZ D. X/45 + Y/60 + Z/55
Sunday, September 25, 2011 at 1:37pm
Grade 12 english
I have to write a reader response theory on a story, and I'm having a hard time understanding what exactly reader response theory is, could anyone explain? Thanks!
Sunday, September 25, 2011 at 12:30pm
6th grade math
Ye Olde Toy Shoppe wants a set of toys: 1/4 of the toys should be blue, and 1/2 of the toys should be green. 2/3 of the toys should be giraffes, and 1/4 of the toys should be monkeys. Decription:???
Saturday, September 24, 2011 at 11:02pm
7th grade Science
Explain the role of energy in the carbon cycle.
Saturday, September 24, 2011 at 7:17pm
7th grade Science
Early Earth was constantly being bombarded by meteorites, comets, and asteroids. Was early Earth an open system or a closed system? Explain your answer.
Saturday, September 24, 2011 at 6:20pm
Grade 10-Math
x+2y=3 5x+4y=8 I isolated x+2y=3 to make: x=3-2y then i began to sub in equation one with equation two: 5x+4y(3-2y)=8 5x+12-8y=8 after that i began to try to solve the equation but my answers were not correct. any help would be greatly appreciated!
Saturday, September 24, 2011 at 5:19pm
7th grade math
What feature of a cylinder uses the given units? a. centimeter b. square centimeter c. cubic centimeter Please help! Thank you!
Saturday, September 24, 2011 at 3:17pm
7th grade math
what is 2 times pie times 2.5to the second power + 2 times pie times 2.5 times 5.5? Please help! Thank you!
Saturday, September 24, 2011 at 2:19pm
7th grade math
Hi! What is the formula of the volume and surface area of cylinders? I checked my textbook and it didn't really say. My teacher didn't really explain at all. If somebody could help explain this it would be really great. Please help! Thank you!
Saturday, September 24, 2011 at 1:39pm
7 th grade math
if all my grades are above an 80 how will a 38 affectn my grade.
Thursday, September 22, 2011 at 8:52pm
math
Make a tally chart for the number of students in the third-fourth-and fifth grade classes: 26,25,27,27,26,28,27 I don't understand how to find the answer.
Thursday, September 22, 2011 at 6:32pm
Matth 116
9/10th (3+8x)+3greater or equal to 15 what is the solution to this?
Thursday, September 22, 2011 at 6:31pm
Science 6th grade
how can granite and slate peices be held together?
Thursday, September 22, 2011 at 6:28pm
math
what is input output in 3rd grade math
Thursday, September 22, 2011 at 4:12pm
Science
I really do need help finding Science Fair Ideas. Hellppppppp Meeee!!!! Oh yeah I'm in 5th grade!! I need help finding Science Fair Ideas.
Thursday, September 22, 2011 at 12:42pm
science 8th grade
I have toy with the density of 2.o g/cm3 ,I put it into tub with water density of 2.0 g/cm3 will the toy float or sink?
Thursday, September 22, 2011 at 11:05am
6th grade social studies
what is world culture
Thursday, September 22, 2011 at 3:12am
3rd grade
when this 3-digit number is rounded to the nearest ten, the sum of its digits is 16 .the hundreds digit of this number is 8 and the ones digit is 5 . what is the number?
Wednesday, September 21, 2011 at 10:53pm
Math
what is y+19=9 plz help me i dont understand this im in 7th grade >.>
Wednesday, September 21, 2011 at 9:08pm
Calculus--Almost figured out
Sports store is having a closing down sale, all stock has to be sold. each day an article remains unsold, the price is discounted by 4% of the previous days price. This discounting continues until the article is sold. The table shows the price of a mountain bike during the ...
Wednesday, September 21, 2011 at 8:46pm
4th grade math
i am a 4-digit whole number. my digits decrease by 2 from the thousands place to the ones place. each of my digits is an even number. what number am I?
Wednesday, September 21, 2011 at 7:48pm
6th grade math
3/4x-2/3x=2/5
Wednesday, September 21, 2011 at 4:44pm
programming
2-5 Grade Determination is says " Write a program that will input three test scores. the program should determine and display their average. the program should then display the appropriate letter grade based on there average. the letter grade should be determined using a ...
Wednesday, September 21, 2011 at 12:44pm
7th grade Lang. Arts
Hi! Can you please fill in the blanks below with one of the words listed that fits in the sentence correctly? Here are the sentences: 1) The program conatained a(n)______________ of the opera, so that we were able to follow the action even though the singing was in italian 2) ...
Tuesday, September 20, 2011 at 7:05pm
Spanish-9th grade
We are learning about animals and I have to write sentences describing animals. Are these correct?Thanks for checking them 1.El venado café es muy bonito. 2.El elefante gris es muy inteligente. 3.La jirafa marrón es muy alta y delgada. 4.La ardilla café y ...
Tuesday, September 20, 2011 at 12:40pm
calculus
Suppose the function G(t) represents a test grade (out of 100 points) as a function of hours studied. If G(t)=-0.046t^3+0.915t^2+38.005 points, what is (dG/dt)when t=4? Round your answer to the nearest point per hour. a. 50 points per hour b. 3 points per hour c. 5 points per ...
Tuesday, September 20, 2011 at 8:43am
3rd grade math
Use the digits 3, 7, 1, 5 to write a number that rounds to each of the following. 2,000 3,500 6,000 7,400
Monday, September 19, 2011 at 11:42pm
4th grade math
hi, what is the least possible number, when rounded will become 1,000,000? would it be 999,999?
Monday, September 19, 2011 at 9:26pm
7th grade math
typical weights for tiger clubs age(weeks) expected body weight(kg) birth 1.3 1 2.3 2 3.0 3 3.8 4 4.5 5 5.2 6 6.0 7 6.7 8 7.5 9 7.6 10 8.9 11 9.7 using table above describe the pattern relating age and weight. Do you expect this pattern to continue indefinely?
Monday, September 19, 2011 at 8:46pm
4th grade Math Help
Samuel has 1,482 baseball cards in his collecion. Maria gave Samuel 126 cards. How many cards does he have now? Explain what computation method you used and why. Please Help! Thanks Kevin
Monday, September 19, 2011 at 8:13pm
fith grade math
well i'm trying to do 49 x27 how would you do that?
Monday, September 19, 2011 at 5:41pm
English
Holidays are important to everyone. They boost your spirits. a. Correct b. Shift in person I would say it is correct, but then again isn't Everyone a singular prnoun? 2. After the teacher collected our essays, she told the students that she would return the graded papers ...
Monday, September 19, 2011 at 2:17pm
Calculus
Hard rubber ball is thrown down from a building with a height of 5 metres. After each bounce, the ball rises to 4/5 of its previous height. Total vertical distance d ball has travelled at the moment it hits the ground for the 8th time, to the nearest 10th of a metre, is.....
Sunday, September 18, 2011 at 8:13pm
8th grade math
There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each conference's ...
Sunday, September 18, 2011 at 7:15pm
6th grade math
a dog can run as fast as 39.35 miles per hour.without calculating,would about 12,14,or 16 be a reasonable answer for the number of miles a dog could run at this rate in 0.4 hour?Explain your reasoning.
Sunday, September 18, 2011 at 11:51am
7th grade social studies
what are the synonyms of these words? executive ratified confederation independent separation supreme legislature constitution PLEASE HELP!! THANK YOU!!!!!
Saturday, September 17, 2011 at 8:21pm
7th grade social studies
Fill in this blank The number of representatives for each state is determined by _______________. Answer this question What is the system of government established by the Constitution, which gave some powers to the national government and reserved other powers to the state? ...
Saturday, September 17, 2011 at 8:16pm
Math/Science(Short Question 10th grade))
[History Homework] Please answer 1. What are 2 pieces of technology essential today? 2. If you could give a prehistoric person one item from today what would it be? 3. Why is writing important for civilizations? 4. Why is theater/drama important to society? 5. What are some ...
Thursday, September 15, 2011 at 11:14pm
4th grade math help!
Melvin estimated 645 + 322 by adding 600 + 300. Is his estimated sum an over or under estimate? Ty
Thursday, September 15, 2011 at 9:40pm
Grade 6 math
I have an input 25 and output of 15 the next set is input of 30 output of 18 how do I figure out the rule
Thursday, September 15, 2011 at 9:23pm
4th grade math
name each number in two different ways 2,700 6,300 1,800 91,000 Thanks
Thursday, September 15, 2011 at 9:21pm
5th grade algebra
4h=31-3 h=?
Thursday, September 15, 2011 at 8:18pm
6th grade math
1.50.but can you explain more detailed about the 0.2 thingy.
Thursday, September 15, 2011 at 4:23pm
6th grade math
20 cents. but what if the next number is 1.5.Then how will i solve it.
Thursday, September 15, 2011 at 4:19pm
6th grade math
but why is 2.0 bigger than 0.15?
Thursday, September 15, 2011 at 4:15pm
6th grade math
sally's pencil is 15 hundredths of a meter long(0.15).Edward's pencil is 2 tenths a meter long(0.2).whose pencil is longer?
Thursday, September 15, 2011 at 4:02pm
3rd grade math
How would you use a number line to round 148 to the nearest ten?
Wednesday, September 14, 2011 at 10:41pm
fourth grade math
round this number to the nearest thousand 409,614
Wednesday, September 14, 2011 at 10:39pm
3rd grade math
1. Which number does not round to 400? 347 369 413 448
Wednesday, September 14, 2011 at 10:27pm
7th grade math
what is a supplementary angle?
Wednesday, September 14, 2011 at 10:17pm
7th grade math
what are complementary angles? Please help! Thank you!
Wednesday, September 14, 2011 at 10:15pm
3rd grade math
Tyrell says 753 rounds to 800. Sara says 753 rounds to 750. Who is correct? Explain.
Wednesday, September 14, 2011 at 5:25pm
Statistic
I am supposed to find the SD from the SE for the last two main effects. What I have so far is Verbal (M = 36.34, SD =___ ),(M = 44.02, SD = __), score averaged across grades 3 and 5 lower for AC schools (M = 36.25, SD =__ ) than for non AC schools (M = 44.12, SD = __). The ...
Wednesday, September 14, 2011 at 3:55pm
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 at 2:55pm
econ
Consider a change in the table in Problem 2-3. The student’s set of opportunities is now as follows: Economics Biology 100 40 90 60 80 75 70 85 60 93 50 98 40 100 Plot this student’s production possibilities curve. Does the PPC illustrate increasing or decreasing ...
Wednesday, September 14, 2011 at 10:58am
economics
2-4. Based on the information provided in Problem 2-3, what is the opportunity cost to this student of allocating enough additional study time on economics to move her grade up from a 90 to a 100?
Wednesday, September 14, 2011 at 10:57am
7th grade science
All organisms can________________,or produce offspring that are similar to the parents. Please help! Thank you!
Tuesday, September 13, 2011 at 11:06pm
7th grade Lang. Arts
Fill the blanks with one of these words 1) The hurricane so________________a large section of the coast that the president declared it a disaster area. 2) Since I sincerely appreciate all my parents have done for me, how can you accuse me of______________? 3) Because the ...
Tuesday, September 13, 2011 at 8:37pm
Math grade 9ish
Evan is 1.8 metres tall. He walks between two lampposts that are 5 metres apart and notices his shadow from one of the lampposts just touches the base of the other. He also notices that the ratio of his height to the height of the lamppost is 2 to 5. How far is he from each ...
Tuesday, September 13, 2011 at 7:31pm
5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 at 7:06pm
5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 at 7:05pm
3rd grade math
A Texas horned lizard laid 37 eggs in one place. To the nearest ten, about how many eggs did the lizard lay?
Tuesday, September 13, 2011 at 6:36pm
Physical Science
A=Vf - Vi divided by 29 seconds Can you please help me. This is 9th grade Physical Science homework.
Tuesday, September 13, 2011 at 6:15pm
math riddles for 7th grade
what was the truck driver doing w/a load of hogs
Tuesday, September 13, 2011 at 5:51pm
5th grade Math
Clue 1: i am greater than 100,000, but less than 120,000. Clue 2: I am divisible by 3. Clue 3: The sum of my digits is 6. Please expalin answer. Thank you.
Tuesday, September 13, 2011 at 4:57pm
5th grade Math
Clue1: i am greater than 500 but less than 1,000. Clue2: My square root is a square number. Also please explain your answer. Thank you.
Tuesday, September 13, 2011 at 4:55pm
6th grade math
maria has 8 pennies, 7 nickels, 7 dimes, and 7 quaters. how can she divide this amount into 3 groups of equal values? what coins would be in each group?
Monday, September 12, 2011 at 9:32pm
6th grade science
Why do you feel fuller when you eat meat than you eat fruits? This is put with an energy assignment.
Monday, September 12, 2011 at 9:07pm
8th grade math
What is the perimeter of a rectangle with a length of 4 2/3 inches and a width of 3 1/3 inches
Monday, September 12, 2011 at 8:58pm
third grade math
Does (4+5) + 2 = 9+2? Explain
Monday, September 12, 2011 at 7:29pm
5th Grade Math
If a hole was dug 5 feet deep and 5 feet in diameter, what would be the volume of dirt removed from the hole?
Monday, September 12, 2011 at 4:02pm
4th grade economy
how would a drought effect Florida's orange economy?
Monday, September 12, 2011 at 3:31pm
3rd grade math
WRITING TO EXPLAIN. How can you use models to show and name the number 1,400 in two different ways? Explain.
Sunday, September 11, 2011 at 8:41pm
6th grade
interview some from 9/11
Sunday, September 11, 2011 at 3:57pm
6th grade
describe yourself mathamatically
Sunday, September 11, 2011 at 3:55pm
9th grade Algebra
Kevin ran 4 more miles than Steve ran. The sum of their distances is 26 miles. How far did Steve run? The domain of the solution is {0,4,22,11} a. Write algebraic expressions for the distances each person ran. b. Write an equation that can help you solve the problem.
Saturday, September 10, 2011 at 8:54pm
Statistics
1. The mean and standard deviation of the grades of a group of students who took an economic exam were 69 and 7, respectively. The grades have a mound-shaped distribution. According to the Empirical Rule, a) Approximately 68% of the grades were between which...
Friday, September 9, 2011 at 9:10pm
8th grade math
I need to know how to work this math problem: 3n + (-7) -5n +1
Friday, September 9, 2011 at 5:34pm
basic statistics for the behavioral sciences
(a)on a normal distribution of exam scored, poindexter scored at the 10th percentile, so he claims that he outperformed 90% of his class. Why is he correct or incorrect? Because Foofy's score is in a tail of the distribution, she claims she had one of the highest scores on...
Friday, September 9, 2011 at 2:47pm
8TH GRADE MATH
FOR EVERY TWO M & M PACKS YOU BUY YOU GET TWO FREE IF ONE M & M PACK COSTS 79 CENTS HOW MANY CAN YOU BUY FOR 6.00 DOLLARS 6.00 DIVIDED BY .79? ANS 6? OR 3?
Thursday, September 8, 2011 at 9:00pm
English Grade 11
In George Orwell’s “Politics and the English Language” which author is Orwell referring to as “seventeenth-century Shelley”. My best guess is Mary Wollstonecraft Shelley (1797-1851) author of Frankenstein. Does that seem reasonable? Thank you.
Thursday, September 8, 2011 at 7:32pm
English Grade 11
In George Orwell’s “Politics and the English Language” what is the “B.B.C. Timidity”? Thank you.
Thursday, September 8, 2011 at 7:17pm
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