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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 at 10:00am
Ecology
Estimate the fish population of Lake Champlain using the Lincoln-Peterson Method. -Number of fish of 1st capture: 60 -Number of fish of 2nd capture: 65 Marked fish in 2nd capture: 10 -Number of fish of 3rd capture: 65 Marked fish in 3rd capture: 15 -Number of fish of 4th ...
Wednesday, February 16, 2011 at 9:18am
8th grade math
Jessica is creating a heart-shaped card to give to her valentine. She has folded a square piece of paper in half and traced the pattern onto one half of the folded paper. The pattern consists of a right triangle with hypotenuse of length 7 1/2 inches and a semi-circle with a ...
Wednesday, February 16, 2011 at 2:34am
geometry
The road rose at an 8 degree angle, what is the grade?
Tuesday, February 15, 2011 at 10:56pm
6th grade math
the base of the great pyramid is a square with an area of 571536 ft squared. If one of the sides of a similar figure is 5 cm what is the area of the figure? How can I solve this?
Tuesday, February 15, 2011 at 9:37pm
Grade 11 English 3
What's the difference between lay and lie? and if you had..Tonya has___out in the sun since noon. which one do you use in past tense?
Tuesday, February 15, 2011 at 9:22pm
8th grade science
why does the high specific heat of water make it essential to life?
Tuesday, February 15, 2011 at 9:10pm
Ap calc
A traffic engineer monitors the rate at which cars enter a freeway onramp during rush hour. From her data, she estimates that between 4:30pm and 5:30pm the rate R(t) at which cars enter is given by: R(t)= 100(1-0.00012t^2) car per min., where t is time in min. since 4:30. a. ...
Tuesday, February 15, 2011 at 8:58pm
Grade 10 Science
Why is the name for the ionic bond FeS Iron (II) Sulphide when the charges on iron and sulphur are +2 and -2? Shouldn't the name be Iron (I) Sulphide? Same goes for Copper (II) Sulphide. Please explain!
Tuesday, February 15, 2011 at 8:42pm
5th grade math
How many possible combinations for an 8-digit binary number are there? How did you get this an answer?
Tuesday, February 15, 2011 at 5:25pm
Homophones/ 8th grade English
What is a homophone for racecourse?
Tuesday, February 15, 2011 at 11:47am
Spanish-6th grade
1.If someone's birthday is December 1 would I say Es el primero de diciembre or Es el uno de diciembre? I think I would say Es el uno de diciembre because I think I only use el primero for January/ Is that correct? 2. If I said my grandparents names are Mary and Clem would...
Tuesday, February 15, 2011 at 10:52am
science
can you give me a websight on electrons.
Monday, February 14, 2011 at 7:38pm
math
wai ling averaged 84 on her first three exams and 82 on her next 2 exams.what grade must she obtain on her sixth test in order to average 85 for all six exams? 94
Monday, February 14, 2011 at 5:54pm
8th Grade Probability
A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green?
Monday, February 14, 2011 at 2:10pm
8th Grade Algebra
If Julie draws a card from a standard deck of well-shuffled playing cards, what is the probability that he draws either an ace or a heart?
Monday, February 14, 2011 at 1:37pm
8th grade Algebra
In a drawing for a dvd player, there are 100 tickets in a box.Five of the cards are marked with a star and the rest are marked with an X. To win, Carmen must draw two cards, without replacement, both of which are marked with a star. What is the probability that Carmen will win...
Monday, February 14, 2011 at 12:41pm
6th grade science project for PsyDAG
Thank You for answering PsyDAG. You asked what my hypothesis was. Here it is--Raising the temperature of the vegetable oil and thyme will increase the velocity of the mixture's movement. So is the question you responded to earlier, or actually late Saturday night correct??
Sunday, February 13, 2011 at 8:01pm
math 5th grade
Insert parentheses to make sentence true: 32 + (-4) - (-5) * 4 = 13
Sunday, February 13, 2011 at 3:20pm
math - 5th grade
Insert parentheses to make sentence true: 8^2 - (-9) + (-10) * 8 = 88 (8^2 is 8 squared, just couldn't type it in the traditional way).
Sunday, February 13, 2011 at 3:18pm
science
I'm in 5th grade and I need a cool, unusual science fair project. I have 3 days to do this. It has to be a question with a variable, not a demonstration. HELP!
Sunday, February 13, 2011 at 2:24pm
6th grade science project
My 1st science project and we have something to turn in each week from now till the science fair. this week it is the variables. Project from science buddies. I am doing-Ocean Currents: modeling the 'Global Conveyer Belt' in your Kitchen. Am I correct in my ...
Saturday, February 12, 2011 at 10:31pm
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
science
can you give me a web site on the periodic table. Tgank you
Saturday, February 12, 2011 at 5:12pm
geometry
A road climbs at an 8 degree angle with the horizontal. What is the grade of the road?
Saturday, February 12, 2011 at 4:19pm
math 5th grade
One morning, 8/9 of the customers at the diner ordered coffee. Regular coffee was ordered three times as much as flavored coffee. What fractional part of the customers orderd flavored coffee? I did it this way 8/9x3/1= 24/9=8/3 I got 2 2/3 It is wrong so please show me how to ...
Saturday, February 12, 2011 at 12:19am
science 6th grade
I am suppose to explain how the moment magnitude and Richter scales of earthquake measurement are similar and how they are different. Can you tell me if I am correct? They are alike because they always come up with the same rating for an earthquake. They are different because ...
Friday, February 11, 2011 at 11:25pm
PHYSICS grade 11
a 27 g arrow is shot horizontally. the bowstring exerts an average force of 75 N on the arrow over a distance of 78 cm. detrmine the speed of the arrow as it leaves the bow.
Friday, February 11, 2011 at 6:26am
5th Grade Math
There are about 3,400 species of frogs and toads, and scientists tell us that they represent 90% of the amphibians in the world. Using this information, what is total number of amphibians scientists believe are in the world. (Round your answer to the nearest 100.)
Thursday, February 10, 2011 at 11:26pm
pre- algebra
solve and simplify 6 to the 4th power * 6 to the 2nd power
Thursday, February 10, 2011 at 9:57pm
math 3rd grade
what kinds of angles do you see in the letters E,F, and L? Is right correct
Thursday, February 10, 2011 at 7:16pm
Geometry
A road climbs at an 8 degree angle with the horizontal. What is the grade of the Road.
Thursday, February 10, 2011 at 6:52pm
math (8th grade)
The length of each piece in a model train railroad built on the HO scale is 1/87 of the actual length. Another popular model is the N scale, for which the scale is 1/160. Each car on a full-size passenger train is 80ft long. What is the length in inches of a model passenger ...
Thursday, February 10, 2011 at 6:02pm
health
Is it possible to have a stress-disorder? And if so, would it be deadly? Thank u for helping me with this strange question.
Thursday, February 10, 2011 at 5:32pm
fifth grade math
at the school free throw contest, jane made 48 out of 60 shots. max made 78% of his shots, who is the better free throw shooter
Thursday, February 10, 2011 at 4:24pm
5tth grade math
every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines.How many students are in the class.
Thursday, February 10, 2011 at 4:07pm
7th grade introduction/conclusion
I have this stupid extra credit thing due tommorrow about the forest and I need the steps to writing an intro and conclusion because I forgot to bring home my notes??????? So if u could help me out I really appreciate it!!!!??? Thx Sara
Thursday, February 10, 2011 at 11:41am
math 5th grade
One morning, 8/9 of the customers at the diner ordered coffee. Regular coffee was ordered three times as much as flavored coffee. What fractional part of the customers orderd flavored coffee? I did it this way 8/9x3/1= 24/9=8/3 It is wrong so please show me how to do this ...
Thursday, February 10, 2011 at 9:43am
10 grade
A 80 slug car runs into a wall while moving at 10ft/s. If the car bounces off the wall with the same speed it struck it with as a result of having been in contact with the wall for .8 second, then find... a)... The initial momentum of the car b)... The final momentum of the ...
Thursday, February 10, 2011 at 12:44am
2nd grade
How do do the worksheet, guess my rule with two rules. Guess each rule and write it down. Using shapes.
Thursday, February 10, 2011 at 12:35am
5th grade math
Which answer shows data with a range of 49? A. 45,69,92,59 B. 95,59,52,89 C.99,66,51,52 D.55,99,78,50 if you select one of the answer .How do you solve the problem.? i was wonder how ?please explain your answer please!! so the next problem i try to solve by myself.for me thank...
Wednesday, February 9, 2011 at 9:10pm
5th grade math
In 2000 the population of goddard was 5,554. The population of Valley Center was 7,323. What is the Approximate difference between the populations, to the nearest one hundred people. please! help I'm totaly confuse with this question?? do you substract it?
Wednesday, February 9, 2011 at 9:02pm
Math
use the digits 1,2,3, and 4 to write a number in scientific notation that is close to .001 this was in a 7th grade algebra book... what? is this even possible without the use of 0?
Wednesday, February 9, 2011 at 8:50pm
math
im in the 5th grade and i need help is on metric measures and conversoins
Wednesday, February 9, 2011 at 5:17pm
4th grade fractions
Ms. Ross's class has 23 students.2/3 of her students have brown hair. The rest have blond hair. How many students have brown hair?
Wednesday, February 9, 2011 at 3:33pm
Spanish-8th grade
Could someone please check if I answered these questions correctly? Thank you Please let me know if I did anything wrong. ¿Hay un supermercado cerca de tu casa? Si, hay un supermercado cerca de mi casa. ¿Qué necesitas hacer hoy? Necesito estudiar hoy. &...
Wednesday, February 9, 2011 at 12:31pm
Math
1. Imagine driving down a mountainside. You see a sign indicating there is a 12% grade. Approximate the amount of horizontal change in your position if you note from elevation signs that you have descended 2000 feet vertically. Use the embedded equation editor in Blackboard to...
Wednesday, February 9, 2011 at 6:49am
3rd grade math - arrays
Mary says that the greater number of counters, the greater the number of different arrays you can form. Give an example that shows that Mary is wrong.
Wednesday, February 9, 2011 at 1:45am
8th grade math
According to one survey, the number of consumers who planned to purchase a television for the purposes of viewing the Super Bowl rose from 1.4 million in 2005 to 4.5 million in 2011. Suppose that in 2005 the average purchase price for a television was $935. In 2011 the average...
Wednesday, February 9, 2011 at 12:29am
science 4th grade
How are the properties of the compound water different from the properties of the elements in it?
Tuesday, February 8, 2011 at 9:17pm
English
can you check my grammar and content? i need to submit this paper for an exam and want to get a good grade.
Tuesday, February 8, 2011 at 8:29pm
WRITING(CHOCOLATE BAR)
our goal is to pick a candy. My candy i picked was Mars Bar. The teacher told us to make 3 claims of our chocolate and then beside those 3 claims we have to write 3 evidences. The 3 evidences are the things im having trouble on. I have my 3 claims already but i dont have any ...
Tuesday, February 8, 2011 at 8:19pm
8th grade science
What is the symbiotic relationship between scallops and sponges?
Tuesday, February 8, 2011 at 5:40pm
9th grade biology
How can you tell, using a microscope, that an onion cell has depth?
Tuesday, February 8, 2011 at 5:39pm
5th grade math
I need help with this problem..the answer and how you got it. thanks amy gets 1 hour for lunch at her job. today she used 1/4 hour to eat and 2/5 hour to run an errand. she spent the rest of her lunchtime writing a letter. how may minutes did amy spend writhing the letter?
Tuesday, February 8, 2011 at 11:40am
8th grade math
It is estimated that 6,000 tons of nachos will be consumed at Super Bowl XLV viewing events. Suppose a serving of nachos is 1 1/4 oz and each person eats an average of 3 1/2 servings of nachos. If a total of 91,385 people attend the viewing parties at the 373 Champs Sports ...
Monday, February 7, 2011 at 11:54pm
4th grade math
Mrs. Reid brought 32 orange and apple slices to her daughter's soccer practice. There were three times as many orange slices as there were apple slices. How many of each kind did she bring?
Monday, February 7, 2011 at 11:31pm
6th grade science
What are 2 general structures for vascular plants and 2 for nonvascular plants? 2 transport structures for vascular plants? 2 methods of transport for nonvascular plants?
Monday, February 7, 2011 at 8:28pm
8th grade science
Is predator-prey the most important ecological relationship? Thanks everyone!
Monday, February 7, 2011 at 6:06pm
3rd grade math
sara is making birthday cards. she takes 1 hour to make 5 cards. on tuesday, sara made 25 cards. how long did sara spend working on the cards on tuesday? how do you the explain answer to a 3rd grader
Monday, February 7, 2011 at 5:40pm
8th grade science
On one of my tests they are asking me if Symboin pandora has a symbotic reletionshio with the Norway Lobster. In my lesson the answer is yes but with the NORWEIGAN lobster. Is this a typo or are the two lobsters the same lobster but with different names? I am soooo.... ...
Monday, February 7, 2011 at 1:17pm
Spanish -Please check 7th grade
Please check my answers-I have to say where I just came from and what I have done using forms of venir and acabar de The post office Vengo del correo. Acabo de mandar una carta. The museum Vengo del museo de arte. Acabo de mirar el arte. The hospital Vengo del hospital. Acabo...
Monday, February 7, 2011 at 12:45pm
math
What's the minimum. length of the arc on the cicumference of the earth,where a curvature of the horizon is appearent? OR---What's the max.length of cord,drawn on the cicumference of the earth,where length of the cord appears same as arc? Follow up 2nd question---At ...
Sunday, February 6, 2011 at 11:44am
math
Could someone please how this problem should be solved? Simplify and write the answer in exponential notation using positive exponents. 2 to the 4th x 2 -2nd power
Sunday, February 6, 2011 at 1:54am
math
The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2 These are my choices a 4 to the 8th power b 2 to the 8th power c 4 to the 2nd power d 2 to the 2nd power
Saturday, February 5, 2011 at 10:47pm
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 at 9:10pm
6th grade English
Draw a line under each preposition and to lines under the object of a preposition. He was thirty years old when he first went to California in 1868. i underlined once "to California" and "in 1868" and i under lined twice twice Californiia and 1868. is this ...
Saturday, February 5, 2011 at 12:37pm
grade 5
can i have the biography of the most famous black inventor.About his life going to school and growing was like. thank you
Friday, February 4, 2011 at 10:39pm
3rd grade math hw help!
Please help! Name three ways the Roman and American coins are alike? Thanks.
Thursday, February 3, 2011 at 9:45pm
8th grade History
Where was the site of the Battle of Fort Sumter in the Civil War? Thanks!
Thursday, February 3, 2011 at 6:55pm
8th grade History
Where was the site for the Battle of Gettysburg in the Civil War? Thanks!
Thursday, February 3, 2011 at 6:44pm
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
Science
I am doing a 3rd grade science project on the Sun. I have to create a "visual". I want to compare the size of the earth to the size of the sun. I found that you could put 1,000,000 earths inside the Sun. I would like to fill a container [representing the Sun] with ...
Wednesday, February 2, 2011 at 9:51pm
math
what is a sixth grade divison problem with the number 17 in it plz help working on this since 8:15AM thnx u
Wednesday, February 2, 2011 at 8:01pm
math
what is a sixth grade division problem with the number 17 in it?
Wednesday, February 2, 2011 at 7:55pm
social studies
why is it a good time to shear sheep in the spring? so they don't get overheated in the summer. what work does sheep dog do? sheep dog help herd the sheep when they need to be moved. Sheep dogs seperate a sick sheep from flock or group of sheep. why is milk heated before ...
Tuesday, February 1, 2011 at 9:41pm
5th grade math
How many verticles does a cube and pyramid have? do they both have eight. also if you have a pattern that starts with one block and is increased by three cubes each time what is the tenth term in this pattern? 28 or 31
Tuesday, February 1, 2011 at 9:37pm
health
i also need the names of the different fast food so i can research there ingrdients. thank you
Tuesday, February 1, 2011 at 9:10pm
math
mr.mcmathy needs 129 seat for his 5th grade program .if the seats are arranged in ranged in rows of 10 seats ,how many rows will he need?
Tuesday, February 1, 2011 at 8:31pm
social studies
hi i need help with this question (Name 3 produce produccts) i don't understand the question please helppppppppppp
Tuesday, February 1, 2011 at 7:32pm
Spanish-7th grade
How do I answer this question? ¿Qué haces los lunes a las diez de la mañana? Hago estudio. Hago escribo Escucho a la maestra. Hago miro la televisión.
Tuesday, February 1, 2011 at 5:14pm
8th grade science
I need help figuring out this on a food web. It goes from a flower to a butterfly to a frog to the bird to a coyote. Now I have to label them. I got them all however i do not know what the frog and bird is. HELP!! :-)
Tuesday, February 1, 2011 at 3:56pm
8th grade science
Can a secondary consumer be eaten by another secondary consumer? Thanks! :-)
Tuesday, February 1, 2011 at 3:37pm
8th grade Math
Khalid uses Penelope’s bag of letter tiles to create a different game in which he tries to randomly draw a set of five tiles with consecutive letters. If Khalid plans to draw five tiles from the bag, without looking and without replacing any tiles, what is the probability...
Tuesday, February 1, 2011 at 12:21am
8th grade Math
Penelope created a game using a bag of 26 tiles, each with a different letter of the alphabet written on it. She uses a stopwatch to time how fast she can create one 5-letter word from a set of five randomly selected letters. To play this game Penelope randomly draws a letter ...
Tuesday, February 1, 2011 at 12:20am
3rd grade math hw help!
hello all, my daughter come home with a math homework "Alphabet Polygons" I have no idea how to use the letters in the alphabet to answer the questions. Please HELP! The questions are as follow: 1) You can make polygons of some of the letters by drawing just one more...
Monday, January 31, 2011 at 10:16pm
5th math
what is the least common multiple (LCM)for 15 and 45? There are 16 girls in a class of 36 student. which expression could be used to determine the number of boys (b) in the class? please! help i think this too hard for 5th grade math. this suppose to be for 10th or college ...
Monday, January 31, 2011 at 9:33pm
4TH GRADE SCIENCE
FILL IN THE BLANKS: THE DRIVER IS ? COMPARED TO THE CARSEAT AND ? COMPARED TO THE SIDEWALK.
Monday, January 31, 2011 at 8:38pm
math
On the 1st day the movie opened 35 people saw it. On the 2nd day 16 more people came than on the 1st day so that 86 people had seen the movie after the second day. On the 3rd day 67 people came, 16 more than on the 2nd day, If each day 16 more people saw the movie than the day...
Monday, January 31, 2011 at 8:26pm
science
Can you give me a website on atoms
Monday, January 31, 2011 at 7:40pm
7th grade math
21/8 divided by 5/6=? in simplest form
Monday, January 31, 2011 at 5:20pm
math
In a third grade class 2/5 of the students wear glasses. What fraction of the students do not wear glasses? If 16 students wear glasses, how many students are in the class altogether?
Monday, January 31, 2011 at 5:18pm
algebra
A roof rises 1.4 feet vertically and 11.8 feet horizontally. What is the grade of the roof? The grade of the roof is _____% how do I begin to find the answer to this
Monday, January 31, 2011 at 4:54pm
English
As promised, I'm posting you the sentences I'm really doubtful of. I hope you can help me with the rephrasing. 1)He has devoted his entire life to pursuing facts. He is described as carrying a rule, a pair of scales and a multiplication table always in his pocket. 2)...
Monday, January 31, 2011 at 4:35pm
English
I made a few changes to my previous sentences. That's why I'm posting them back to you. Can you see if everything is OK? 1)It is a whitewashed room, in which the boys and the girls are sitting in two compact bodies separated from one another by a space in the middle. 2...
Monday, January 31, 2011 at 3:54pm
fourth grade science
How do changes of state help to separate crude oil into many products?
Monday, January 31, 2011 at 2:54pm
8th grade Algebra
Marianna's rectangular garden is 15 yards long and 10 yards wide. She wants to stretch a wire for hanging lights from one corner of the garden to the opposite. About how long should the wire be?
Monday, January 31, 2011 at 12:13pm
geomertry
what is radius and diameter in third grade math
Sunday, January 30, 2011 at 9:52pm
3rd grade math
What patterns help you divide? DRaw a picture or make a chart to show how to divide 1600 by 4. Give the quotient. We know the answer but having trouble to make a chart to show the outcome. Please help. Thanks in advance
Sunday, January 30, 2011 at 9:47pm
8th grade Algebra
Sharon and her camping group hiked 6 miles due north, stopped for lunch, and then hiked 8 miles due west, stopping at ther campsite for the night. What is the straight line distance from their original starting place to the campsite?
Sunday, January 30, 2011 at 6:33pm
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
science
need a science project for 7th grade using toy train.
Saturday, January 29, 2011 at 9:01pm
Statistics -Please help :/
I'm having a problem with the entire Chi-square thing.. I do have answers to these but I'm not sure how to work them out.. If you could help that would be great! :) 1st part: A,B,C are schools. Is the choice of math programs followed independently by school? Write the ...
Friday, January 28, 2011 at 2:41am
statistics
I'm having a problem with the entire Chi-square thing.. I do have answers to these but I'm not sure how to work them out.. If you could help that would be great! :) 1st part: A,B,C are schools. Is the choice of math programs followed independently by school? Write the ...
Friday, January 28, 2011 at 2:19am
10th grade Chemistry
Will Na2CrO4 react exactly the same as Na2CrO7 when mixed with Pb(NO3)2
Thursday, January 27, 2011 at 10:45pm
12th grade chemistry
If the reaction below proceeds with a 96.8% yield, how many kilograms of CaSO4 are formed when 5.27 kg SO2 reacts with an excess of CaCO3 and O2? 2 CaCO3(s) + 2 SO2(g) + O2(g) 2 CaSO4(g) + 2 CO2(g)
Thursday, January 27, 2011 at 10:34pm
5th grade math
i need help with fraction 3/5-3/15= ? PLEASE SHOW ME HOW TO DO THIS PROBLEM,THANKS!!
Thursday, January 27, 2011 at 10:04pm
8th Grade Math
I have an input output table, but I can't figure out the rule. Input: 1, 2, 5, 7, 10 Output:5, 15,?, ?, ?
Thursday, January 27, 2011 at 8:48pm
7th grade math: Pythagorean Thereom
If the sum of the sides of a right triangle is 49 inches and the hypotenus is 41 inches, then what would be the other two sides?
Thursday, January 27, 2011 at 5:43pm
Math EASY
Say that I saw my mark in gym. I am at 83% right now. In the following last 2 days before the term ends, I get 3/5 and 5/5. What percent (grade) am I at right now?
Thursday, January 27, 2011 at 12:37pm
5th grade
The Chang Toy Factory in China can produce 35 mini toy care each minutes at a cost of 77 cents. then, a package of 35 is put in a cardboard box that holds 350. What does it cost to procuces 285 toy cars? can you show me how to solve this problem .? do you divide or X it?
Wednesday, January 26, 2011 at 11:55pm
7th grade math
what is te best numbers for the base of a trapezoid that has a aarea of 4 square units and a height of 1
Wednesday, January 26, 2011 at 10:27pm
4th grade math
of the third graders who were asked, 2/5 like pizza the best, 3/15 like hamburgers the best, and 18 like macaroni the best. How many third graders were asked their favorite food?
Wednesday, January 26, 2011 at 10:04pm
math
each pizza has 8 slices the teachers want enough pizzas so that each student can have 2 slices if there are 22 students in eeach of the 3 fourth grade classes how many pizzas must be ordered
Tuesday, January 25, 2011 at 4:53pm
6th grade grammar
Should I use me or I in this sentence? My older sister is the one who got my mom and me interested in yoga. My teacher said it is my mom and I. I think it is me because you would say my sister got me interested in yoga. Thanks for your help.
Tuesday, January 25, 2011 at 4:11pm
12th grade calculus
How do I find the area bounded by the curver y = x^1/2 + 2, the x-axis, and the lines x = 1 and x = 4
Tuesday, January 25, 2011 at 2:52pm
english
Students who do their homework on a regular basis have grades higher than students who don’t do homework. When students do not do their homework they fall behind in the class and eventually receive a zero on that paper, this results in dropping their grade for that class...
Tuesday, January 25, 2011 at 1:10pm
5th grade health class
How is a privilege different from a right? please! wxplain words to me so, i can have a better understaning on it. thank you!
Tuesday, January 25, 2011 at 12:07am
chemistry - grade 9
calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO -> CH3OH.
Monday, January 24, 2011 at 8:49pm
4th grade
nick's diner advertise fresh squeezed orange juice every day of the year. he serves twenty-four 8-ounce glasses of juice a day. nick knows it takes three 6-ounce oranges to make one 8-ounce glass of juice. nick orders oranges by cases that have 24 oranges and weigh a total...
Monday, January 24, 2011 at 5:59pm
algebra
12 to the negative 2nd power
Monday, January 24, 2011 at 5:28pm
6th grade math
Form and equivalent division problem for 5 / 1/3 by multiplying both the dividend and divisor by 3. Then find the quotient. IS it 5 / 3/9 Do I finish by mutliplying 5/1 x 9/3(reciprocal)?
Monday, January 24, 2011 at 12:29am
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
need help
i'm in the 4th grade i need a socialstudy project to do rightnow i cant seam to think of anything can you help me please and thankyou
Sunday, January 23, 2011 at 8:16pm
Math grade 8
a jar contains 4 white chips, 5 purple chips and 1 black chip. chips are selected randomly one at at time and are not replaced. What is the probability of choosing a purple then black chip?
Sunday, January 23, 2011 at 3:47pm
Grade 12 math
Formula T= L+F/S T= time it takes to download file L= latency F= file size s= average speed of the connection Use formula to determine the Latency for a 113-kb file that downloads in 4.4s at an average speed of 43 kb/s?
Sunday, January 23, 2011 at 1:27pm
Math Grade 12 college
250(1.03)^n=400 solve for n
Sunday, January 23, 2011 at 11:27am
Maths
What is the best website which has printable free worksheets for grade 7 with the maths topic : decimals? thank you for your help.
Sunday, January 23, 2011 at 5:19am
spelling 2nd grade
how can i make writing spelling sentences more interesting and fun?
Sunday, January 23, 2011 at 1:49am
Psychology
Alexander, a fifth grade teacher, believes that Kimberly's behavior is a result of poor parenting. The school counselor is concerned with her inability to focus, attend to directions, and recall information from the previous day or events from earlier in the day. Alexander...
Saturday, January 22, 2011 at 6:14pm
reading
big project part one due monday need help just in 5th grade
Saturday, January 22, 2011 at 5:57pm
9th grade Math
In the multiplication problem A S __x__A____ M A N each letter represents a different one of the ten digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Which one of the ten digits does A represent?
Saturday, January 22, 2011 at 3:51pm
5th grade
just one more problem i'm still struggle with . Find the median and mean for each set of numbers. 17,13,27,33,25. please! give me an example again. thank you!!
Thursday, January 20, 2011 at 11:47pm
5th grade
what is the mode for the following numbers? 900,700,500,600,600,300,600,200,100,300,200. please! show me how to do this problem? than you!
Thursday, January 20, 2011 at 11:31pm
Math 1 9th grade
A bag contains 3 green marbles and 6 blue marbles. What is the probability of drawing a blue marble, then another blue marble, then a green marble, replacing the marble after each draw?
Thursday, January 20, 2011 at 7:35pm
4th grade
without multiplying, how do you know that the product of 399 and 48 is smaller than 20,722?
Thursday, January 20, 2011 at 6:38pm
4th grade
reena says the product of 54 and 9 cannot be 487. she says that she knows this without actually multiplying. how does she know?
Thursday, January 20, 2011 at 6:36pm
5th grade math
a new fence is needed for the perimeter of a rectangular horse pasture. The pasture measures 78 feet by 68 feet. how many feet of fencing are needed for the pasture? CAN YOU SHOW TO WORK THIS PROBLEM>?
Wednesday, January 19, 2011 at 11:53pm
5th grade math
what is the range for the following number? 900,700,500,600,600,300,600,200,100,200? pleASE! EXPLAIN HOW TO SOLVE THE PROBLEM..
Wednesday, January 19, 2011 at 11:02pm
8th grade Science
In ionic bonds, what is the answer to these? Li + P and Rb + As and Pb + F and Bc + N ??
Wednesday, January 19, 2011 at 10:36pm
8th grade Science
How do I show work for Si + Cl ?? The answer is SiCl with a little 4 down below the Cl. but I don't know how to show the work.
Wednesday, January 19, 2011 at 10:32pm
math 5th grade
by what fraction name for 1 must 2/3 be multiplied to form a fraction with a denominator of 15? also what is the number in this sequence ...,100,10,1,...? would it be -1? thank you
Wednesday, January 19, 2011 at 9:50pm
third grade hw help
My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!
Wednesday, January 19, 2011 at 7:43pm
4th Grade
Mrs. Harrison baked 36 cookies for a party. When thearty was over 2/9 of the cookie were left. How many were left?
Wednesday, January 19, 2011 at 7:41pm
4th Grade
Mrs. Harrison baked 36 cookies for a party. When thearty was over 2/9 of the cookie were left. How many were left?
Wednesday, January 19, 2011 at 7:39pm
5th grade algebra
I need help with input out put table. The top row is: 1, 4, 3 5 8 9 6 The bot row is: 1, 10,7,13 ? ? ? The question marks are blanks in the table. Hellllllp please
Wednesday, January 19, 2011 at 7:16pm
mat 116
a roof rises 1.9 feet vertically and 7 feet horizontally. what is the grade of the roof?
Wednesday, January 19, 2011 at 6:42pm
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