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October 2, 2014

Homework Help: 9th Grade

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7th Grade Science
Please help me with these questions. This is not homework. I am just trying to figure out some things that I need help with. When separating mixtures what is filtration? what is distillation? what is crystallization? what is chromatography? Thank you, sk8rgurl99
Friday, September 21, 2012 at 10:31pm

science
how to prepare 0.100M HCL solution when laboratory grade concentrated by hydrochloric acid has concentration of 37%.what volume of acid is necessary to prepare 500mL of 0.100M of HCL
Friday, September 21, 2012 at 9:57am

3rd grade math
your teacher has told you to subtract by adding on to find the difference in this problem: 71-36. what do you do first?
Thursday, September 20, 2012 at 11:28pm

7th grade math
How do you arrange the numbers 2 4 5 and 6 ans insert the symbols "-" and "x" in a way that u follow PEMDAS/ order of operations to get the answer 8
Thursday, September 20, 2012 at 6:06pm

7th Grade Math
How do you identify whether a ratio is a rate??? Thank you for all help.
Thursday, September 20, 2012 at 9:18am

6th grade math
I had to convert 2500 millimeters to centimeters.I think it's 250,please check. Thanks!
Wednesday, September 19, 2012 at 6:45pm

Pre-Algebra 7th grade.
I have prealgebra with order of operations with a line dividor with a fraction line/divider. It says: 94-6 ____ 66(divided by) 6
Wednesday, September 19, 2012 at 6:20pm

math,social studies and health
Do you know any other websites where I can calculate my grade point average. Thanks.
Wednesday, September 19, 2012 at 5:00pm

3rd grade Math
Kiara bought 78 stickers .She bought 6 strips of 10 and some singles How many singles did she buy.? Write an equation for each combination of singles and strips.
Wednesday, September 19, 2012 at 4:24pm

Math
Explain how to draw a picture to find 3 x 0.9. Grandma needs help for her 5th grade granddaughter!
Wednesday, September 19, 2012 at 3:57pm

3rd grade math
9,000+600+50+4 in standard form
Wednesday, September 19, 2012 at 3:33pm

4th grade math
I have 5 ones and 19 hundredths. What number am I?
Monday, September 17, 2012 at 10:00pm

Math
How do i figure out this question? There are two roads, one has a grade of 20% the other has an elevation of 15 degrees. Which road would be steeper?
Sunday, September 16, 2012 at 10:09pm

6th grade science
What two parts of the earth system is a paleontologist involved in? Thanks
Sunday, September 16, 2012 at 8:58pm

6th grade science
Is latitude the up and down lines on a map?Or the side to side lines? Thanks
Sunday, September 16, 2012 at 8:47pm

6th grade science
What is porosity and permeability? Thanks
Sunday, September 16, 2012 at 8:26pm

6th grade science
What is a A topographic map used for? thanks
Sunday, September 16, 2012 at 8:20pm

6th grade science
A topographic map would be most useful for which activity? A. locating the name of the road where your friend lives B. finding out how much rainfall your town receives each year C. finding the highest point in your city D. determining what kind of soil is in a nearby park
Sunday, September 16, 2012 at 8:17pm

7th Grade Math
The perfect square is the square of a whole number. True or False I say false, right or wrong? Thank ya for your help. ☺♥☺
Saturday, September 15, 2012 at 5:14pm

6th grade history
Is San Diego and San Fransisco megalopolis?
Saturday, September 15, 2012 at 11:49am

6th grade math
entify if the problem shown below is an example of the commutative, associate or distributive property. Explain your answer. (2 + a) + 7 = 2 + (a + 7) thanks
Friday, September 14, 2012 at 6:53pm

6th grade math (please please answer!)
9 + x = 17 I know that x=8 but I don't know how you figure it out
Friday, September 14, 2012 at 6:35pm

6th grade math
What is base measurement? thanks
Friday, September 14, 2012 at 4:10pm

7th Grade Physics
Given a homogenous liquid mixture of sodium chloride (salt) and water, what would be the best method to separate these substances? What is the process. Please explain.
Friday, September 14, 2012 at 3:08am

5th grade English
What is the simple predicate in this sentence? The lion is nicknamed the King of the Beasts. Would it be "is" or would it be "is nicknamed"? Thanks!
Thursday, September 13, 2012 at 11:42pm

7th Grade Math
a nanosecond is 0.000000001 of a sec. what is the length as a power of 10. Please help me. Thank ya.
Thursday, September 13, 2012 at 10:18pm

5th grade math
The moon is about 240.000 miles from Earth. What is this distance written as a whole number multiplied by the power of ten?
Thursday, September 13, 2012 at 9:11pm

math
in a lunch room 36 fifth graders and 27 fourth graders are siting in equal groups. all the students in each group are in the same grade. what is the greatest number of students that can be in each group?
Thursday, September 13, 2012 at 6:31pm

7th Grade Science
Identify 5 characteristics common to plants and describe them?
Thursday, September 13, 2012 at 6:26pm

math
in a lunch room 36 fifth graders and 27 fourth graders are siting in equal groups. all the students in each group are in the same grade. what is the greatest number of students that can be in each group?
Thursday, September 13, 2012 at 6:25pm

Math
One road has a grade of 20% and the other has an elevation of 15 degrees. Which road would be steeper? How do i figure this out?
Thursday, September 13, 2012 at 4:47pm

math
A trucker is looking on a map of two roads he could take to get to Nelson. One has a grade of 20% and the other has an elevation of 15 degrees. Which road would be steeper? How do I figure this out?
Thursday, September 13, 2012 at 4:09pm

7th Grade Lit
We brought healthy snacks. What is the complement in the sentence? brought?
Thursday, September 13, 2012 at 12:02am

writing
who knows any 5th grade transition words?
Wednesday, September 12, 2012 at 11:48pm

10th Grade Math-Algebra 2
How do you multiply algebraic expression such as..... (5x^3)(4xy^2)
Wednesday, September 12, 2012 at 5:32pm

5th grade math
What missing number makes the number sentence, 28.02=20+8=?, true?
Tuesday, September 11, 2012 at 10:25pm

Math grade 7
The number 7 is a factor of 1001. explain how you know 1001 is a multiple of 7? How does knowing that 7 is a factor of 1001 help you to get another factor of 1001?
Monday, September 10, 2012 at 5:46pm

7th Grade Help
Influenza victims have fever, chills, muscular pain, prostration or all of the above? Isn't it all of the above?
Monday, September 10, 2012 at 4:44pm

STATISTICS
if the mean is 85 and the SD is 8 what percentage of students will receive a grade less than 58 and greater thAN 110
Sunday, September 9, 2012 at 9:32pm

math
mr. Rodriguez, a college instructor, can grade his class papers in 3 hours while it takes his assistant 4 1/2 hours.  If Mr. Rodriguez graded the papers for 1 hour and then left the job for his assistant to complete, how long will it take his assistant to finish grading ...
Sunday, September 9, 2012 at 6:26pm

5th grade reading
What is meant by: Make three tracks from what you've read today.
Sunday, September 9, 2012 at 11:18am

World history
Should the united states be a demoracy or monarchy? 7th grade
Saturday, September 8, 2012 at 2:56pm

2nd grade of math
Writing in math.Use counters.Tell how to make 10 when adding 8+5. and how it explain?
Saturday, September 8, 2012 at 1:52am

7th Grade Help
what is the largest cause of weathering and erosion? weathering water sand trees
Friday, September 7, 2012 at 4:36pm

7th Grade Science
Explain why increasing the temperature of a gas in a closed, rigid container causes the pressure in the container to increase.
Thursday, September 6, 2012 at 8:53pm

7th Grade Science
when the temperature is constant the volume of a gas will decrease as the pressure decreases. True or false
Thursday, September 6, 2012 at 3:16pm

5th grade religion
For whom do members of the JVC works? plz don't give me an answer to look at on wikapieda that website does not tell the truth thanks
Wednesday, September 5, 2012 at 9:30pm

5th grade religion
For whom do members of the JVC work?
Wednesday, September 5, 2012 at 9:19pm

5th grade religion
jvc what year was the organizaion founded?
Wednesday, September 5, 2012 at 6:31pm

3rd grade math
which of these numbers do not round to 400.347, 369, 413, 448
Wednesday, September 5, 2012 at 3:57pm

5th grade math
Which is more 0.33 or 0.333?
Tuesday, September 4, 2012 at 11:23pm

7th Grade Science
Write a short essay in which you create an analogy to describe particle motion. Compare the movements and positions of people dancing with the motions of water molecules in liquid water and in water vapor. I am NOT asking anybody to do this for me, all I am asking is can ...
Tuesday, September 4, 2012 at 10:03pm

7th Grade Science
what physical force can cause a change in the state of matter what is the difference between chemical and physical changes what occurs during Bose-Einstein condensation Please help me.
Tuesday, September 4, 2012 at 10:00pm

English
i've got to do research on these questions..grade 9 What does a learner do? What does a communicator do? What does a problem-solver do? What does a community member do?
Tuesday, September 4, 2012 at 7:11pm

Math
What does "standard form" mean in 3rd grade math?
Tuesday, September 4, 2012 at 5:36pm

math
Mr burr the head custodian is working on putting new numbers on 42 of the 81 classroom doors. He found two numbers for the 23rd door he was working on in the 6th grade hallway whose sum is 35 and their product is 306. What are the two numbers?
Tuesday, September 4, 2012 at 4:10pm

geometry
a Street in san franscico has a 20% grade-that is it rises 20' for every 100' horizontally. Find the angle of elevation of the street?
Monday, September 3, 2012 at 7:07pm

4th grade math
it is a three digit whose ten digit is 3 its hundred digit is 4 more than its one digit, which is an odd number less than 5 no two digits are the same I need help on how to do this. too many years for mommy
Monday, September 3, 2012 at 1:00pm

Science
I need to observe and identify variables and I'm in 6th grade!!! Help, this work is killing me....It's scenario 1-4 and I have Mr Jones plz help plz
Friday, August 31, 2012 at 8:42pm

5th Grade math
To: bobpursley - how do you teach a 5th grader how to figure out the answer?
Friday, August 31, 2012 at 7:29pm

language arts 6th grade
i need help finding the questions for the story ALL SUMMER IN A DAY questions 1-5 think through the litature. i dont know if i spelt that right but i just need help ms.sue
Friday, August 31, 2012 at 6:42pm

7th Grade Help
where can I find short story Golden Kite Silver Wind by Ray Bradbury online?
Friday, August 31, 2012 at 12:28pm

Ninth Grade Math
I am having trouble with this In - Out table... any hints or tips? IN OUT 1 / 3 3 / 17 10 / 66 6 / 38
Thursday, August 30, 2012 at 10:13pm

7th Grade Spelling
Instructions: In the space provided, write the vocabulary word from list 3 that is most nearly an antonym (a word opposite in meaning) of each of the following expressions. 1. Promising--------- Is it ominous, pacific, plod, smolder, submerge, swagger, or tedious?
Wednesday, August 29, 2012 at 11:49pm

math
please help me I need to finish this so that I can go into grade 11. A new water tower must be equidistant from three communities. They are located at (-25, 20) (-5, -40) and (15, 30). Find the coordinates of the point where the water tower should be built which i am assuming ...
Wednesday, August 29, 2012 at 10:26pm

4th grade math
3. Writing to Explain Use rounding to estimate the product 13 ! 9. Then, use compatible numbers to find the actual answer. If Alison was rounding to find how much 13 books that were $9 apiece cost, would she get a good estimate? Explain
Wednesday, August 29, 2012 at 8:48pm

10th grade honors chemistry
1.3 pounds of a material with a density of 3.7 g/mL would occupy what volume in liters?
Wednesday, August 29, 2012 at 8:33pm

english 3 grade
aphabet on move words
Wednesday, August 29, 2012 at 8:31pm

6th grade math
im studying exponents. 50 is my result number How did I get using exponents
Wednesday, August 29, 2012 at 8:05pm

Math
Ok so my tx book says explain the dirrrefence between a unit rate and a rate in in the 6th grade and it's my first week hhheeelllppp
Wednesday, August 29, 2012 at 7:31pm

math
vina has the following grades in math 88,85,89,95 and 91.What must be her sixth grade if she wants to get an average of 90?
Wednesday, August 29, 2012 at 10:05am

science
I need a sentence using the word cytoplasm and I'm in 5th grade.
Monday, August 27, 2012 at 7:35pm

Physics
A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
Monday, August 27, 2012 at 6:18pm

Physics
A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
Monday, August 27, 2012 at 5:51pm

math
I need help answering the following question: A road sign reads: "5% grade next 4 miles." What is the change in elevation from the lookout to the point four miles ahead (to the nearest foot)?
Sunday, August 26, 2012 at 10:01pm

english
As teachers on this board. How can I help my son to improve on his spelling, he is in the 6th grade?
Sunday, August 26, 2012 at 12:35pm

math
An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are integers, then a-b = a+ -b. Since addition is commutative, so is subtraction. What is your response?
Friday, August 24, 2012 at 9:51am

8TH GRADE MATH EXPRESSIONS
A catering business charges $50 for setting p a meal and $150 for enough food for 12 people. You will be using the caterer for an upcoming celebration. There will be 32 people at the party. Find the total cost to use the caterer for the party.
Thursday, August 23, 2012 at 9:47pm

8TH GRADE MATH EXPRESSIONS
THE TOTAL COST FOR 4 PEOPLE TO RIDE THE BUS IF THE FARE OF .75 IS INCREASED BY D DOLLARS.
Thursday, August 23, 2012 at 8:45pm

MATH 5TH GRADE (VARIABLES AND EXPRESSIONS)
LAURA HAD 5 MORE HITS THAN SUSAN. HOW MANY HITS DID LAURA HAVE?
Thursday, August 23, 2012 at 8:31pm

5th grade english
is cactus already plural
Thursday, August 23, 2012 at 7:55pm

Algebra 8th grade
The length of a rectangle is twice its width. If the area is 30 square units, find the dimensions of the rectangle.
Wednesday, August 22, 2012 at 9:57pm

7th Grade Math
In an addition problem the answer should have the same number of significant figures as the measurement with the mot decimal places. True or False? I say True.
Tuesday, August 21, 2012 at 2:05pm

american legion award???
What is american legion award??? My mom got that award when she was in 8th grade.
Tuesday, August 21, 2012 at 9:53am

4th grade science
What is a silk case covering the moth larva?
Tuesday, August 21, 2012 at 3:33am

7th Grade Science
What can be inferred after performing the experiments in the atomic theory lab? A) Where matter comes from B) How salt is formed C) If salt can dissolve in water D) If matter is created or destroyed Is it D?
Tuesday, August 21, 2012 at 1:48am

Math 5 grade
3/4 [5/2] The answer would be 15/8. Right?
Tuesday, August 21, 2012 at 1:04am

8th grade math
Hi! I need some help with absolute value. First, I want to ask is that for absolute value, is that if the absolute value is |6| then would the answer be 6 or -6? I am really confused with this so if somebody could explain this to me, it would be a big help, thank you!
Monday, August 20, 2012 at 9:58pm

writing
I am in 8th grade and I just want to see if this essay is persuasive the topic is Your surrondingss create who you are?
Thursday, August 16, 2012 at 4:20pm

6th Grade Math: Proportions
14/38=X/29. I'm still confused about figuring out what x is and getting X on its own. Please Help!!!
Wednesday, August 8, 2012 at 7:46pm

6th grade math
Cameron is making bead necklaces. Hehas 90 green beads Nd 108 blue beads. what is the greatest number of identical necklace es he can make if he wants to use all the beads
Wednesday, August 8, 2012 at 7:19pm

7th grade math
solve for k -4k-8k+7=-53 Please explain how you found your answer!! Please help!!
Wednesday, August 8, 2012 at 3:55pm

Writing
I need to write the top ten reasons I am happy to be back in school. (6th grade). What would you write?
Tuesday, August 7, 2012 at 5:12pm

health
It’s been widely reported that having a positive attitude will improve a person’s ________. A. Physical health B. Mental health C. Grade point average D. Both A and B B?
Friday, August 3, 2012 at 10:02pm

Dynamics
The power developed by a man in riding up a 6 percent grade at a constant speed is 200 w. The man and his bicycle have a combined mass of 80 kg. Determine the speed of riding
Tuesday, July 31, 2012 at 1:55am

7th grade math
1. Substitute: Ms.Kubagwa is six years younger than Ms. Vea. The sum of there ages is 52 years. I HAVE NO CLUE WHAT TO DO HERE!! 2.Ms.starbrowski has four more pens than Mr.Dukeman. Together they have 34 pens. How many pens does Ms.Starbrowski have? *Please explain how you ...
Thursday, July 26, 2012 at 2:35pm

statistics
1. How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis
Wednesday, July 25, 2012 at 1:22pm

math advanced functions grade 12
Find the solution set to the following rational inequality, 240/x+8 > 20x/x+1
Tuesday, July 24, 2012 at 6:25pm

Principle processes of flotation separation of Pol
Direct Preferential Flotation Definition of this method is: separate various helpful minerals in proper order. With its feature of high flexibility, it can adapt the change of ore grade, especially for sulphide ore of high grade. Xilin, Fankou, Lechang lead-zinc dressing plant...
Sunday, July 22, 2012 at 10:08pm

math grade 12
What is the arc length if the central angle is 225 degrees and the radius of a circle is 3 cm? pls help. i don"t get it
Saturday, July 21, 2012 at 8:41pm

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