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October 30, 2014

October 30, 2014

Post a New Question | Current Questions

**science is hardddd!!!!**

Can I Have An Example Of A Closed System?? Please use easy words that I can understand, Im not that smart and i'm only in 7th grade. Also can you give me an example of an Open System?? Thank You.
*Thursday, January 24, 2013 at 7:48pm*

**4th grade word problems**

if tiles at a store cost .$20 for a 1"x1" square and $.30 for 1"X2" rectangle what would be the cheapest way to buy tiles to make a tiled square 3 inches on each side.
*Thursday, January 24, 2013 at 6:45pm*

**5th grade math word problems**

If 300 napkins cost $1.69 and 100 napkins cost $.89, what is the least expensive cost for 1010 napkins?
*Thursday, January 24, 2013 at 6:42pm*

**Math**

Mrs coopers 5th grade class has 11 more girls than boys. There are 35 students in all. How many girls are there?
*Thursday, January 24, 2013 at 6:32pm*

**Education**

Bloom's taxonomy levels A) correspond directly to grade levels in constructing an action plan. B) help teachers to gauge the cognitive levels required for their objectives. C) identify at which step in the DID cycle instruction is occurring. D) indicate the lighting levels...
*Thursday, January 24, 2013 at 2:36pm*

**math - grade 7**

determine the diameter of a circle with a radius of 4.26m. determine the area of the circle with diameter is 8mm.
*Thursday, January 24, 2013 at 12:36am*

**3rd grade math**

for dessert, jill served her friends a chocolate cake. it was cut into 14 slices. two of her friends dont eat chocolate. if everyone else had one slice, how much of the cake remained uneaten.
*Wednesday, January 23, 2013 at 5:43pm*

**3rd grade math**

when they arrived at jill's, her mother served them a deli sandwich. she cut the sandwich in to 12 sections. jill and her 8 friends each ate 1 section. how much of the sandwich was left over. answer with 2 equal fractions
*Wednesday, January 23, 2013 at 5:41pm*

**3rd grade math**

The hike back to jill's house took an hour. they walked for 1/2 hour amd stopped for a water break. how much longer did they have to hike to get back to jill's house. write the answr in a fraction and in minutes.
*Wednesday, January 23, 2013 at 5:40pm*

**3rd grade math**

when they reached the lake, they took a swim. jill swam 2/3 across the lake and then swam back to shore. if she had continued how much further would she have had to swim to reach the other side?
*Wednesday, January 23, 2013 at 5:39pm*

**3rd Grade Identify polygons**

Tim wants to make a polygon. He draws six straight line segments. Each line segment connects to two other line segments. Is Tim's shape a polygon? Explain.
*Wednesday, January 23, 2013 at 3:24pm*

**8th grade science**

write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize the benefits of the table to the chemical profession. Remember, the chemists have never seen such a table. i want you to give me an advertisement.
*Tuesday, January 22, 2013 at 9:26pm*

**Physical Science 8th grade**

How does metallic bonding contribute to Luster, Heat conductivity, Ductability, and malleability?
*Tuesday, January 22, 2013 at 9:21pm*

**Math 8 -HELP! (PLZ!)**

Is a a GOOD, RESOURCEFUL, UNDERSTANDABLY website for GRADE 8 MATH (NYS) that explains about slope intercept form. Please because I really don't understand it.
*Tuesday, January 22, 2013 at 8:03pm*

**5th Grade Math**

Glenda bought z containers of laundry detergent at $9 each. She gave the cashier $50. a. Find the change Glenda received in terms of z. b. If z = 3, how much change did Glenda receive?
*Tuesday, January 22, 2013 at 5:09pm*

**Grade 9 maths**

Use a prime factor to determine squre root of 225
*Tuesday, January 22, 2013 at 2:34pm*

**8th Grade History**

which group best fits this sentence: groups: African Americans, Asian Americans, Mexican Americans, Native Americans Sentence: Many members of this group turned dry, barren lands into profitable farms. Others worked in lumber mills, canneries, and mines
*Monday, January 21, 2013 at 6:38pm*

**grade 10 history**

I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!
*Sunday, January 20, 2013 at 7:06pm*

**math (6 grade)**

What are objects that are between 5 centimeters to 8 centimeters long?
*Sunday, January 20, 2013 at 10:53am*

**7th Grade Math stuffs**

Compare probabilities of independent and probabilities of dependent events. Any examples???
*Thursday, January 17, 2013 at 10:41pm*

**Science**

What are 6th grade examples of negative feedback mechanism?
*Thursday, January 17, 2013 at 7:23pm*

**Math 6**

Jebb is the tallest player on the basketball team. He is 1 1/2 times as tall as the shortest girl in the sixth grade, who is 4 1/4 feet tall. How tall is Jeb? 3/2 x 17/4 = ?? IS this how I solve it? Help?
*Thursday, January 17, 2013 at 1:35pm*

**6th grade math**

Ok it is 3b-6 over (like a fraction) 2b+3 = 9 over (like a fraction) 4 help!
*Thursday, January 17, 2013 at 12:37am*

**7th grade science bobpursley**

5. Change in the hereditary features of a type of organism over time is ______. (1 point) growth biogenesis spontaneous generation evolution 10. Gregor Mendel discovered some alleles can cover up the presence of others; these alleles are called __________. (1 point) My answers...
*Wednesday, January 16, 2013 at 9:12pm*

**algebraic expressions 5th grade math**

larry and martha each planted the same number of carrots seeds in their gardens.After 4 weeks,larry had c carrots and martha had 6 more(write an expression)please help me solve,thank you
*Wednesday, January 16, 2013 at 9:07pm*

**3rd grade math**

Draw a model to show 84/12=7
*Wednesday, January 16, 2013 at 7:41pm*

**3rd grade math**

Two thirds of the musicians in a 16-piece band are girls. the 16 musicians include 12 brass players. what fraction of the band plays brass instrument.
*Wednesday, January 16, 2013 at 7:05pm*

**3rd grade math**

rogelio has 3 one-dollar bills, 5 quarters, 4 dimes, 2 nickles and 9 pennies. what fraction of the coins are quarters. A 1/2 B 1/5 c 1/4 D 4/10
*Wednesday, January 16, 2013 at 7:01pm*

**4th. grade english**

what is the rule for why "achieved' is spelled that way instaed of "achieveed"?
*Wednesday, January 16, 2013 at 6:54pm*

**3rd grade math**

kate ate 3/3 of sandwich. cao ate 7/7 of a sandwich that was the same size as kate's who ate more. explain you answer
*Wednesday, January 16, 2013 at 6:46pm*

**8th grade Math**

kimberly used coupons worth $1.00 off and $1.25 off and two coupons for $1.50 off. if the discount of each of these coupons were doubled, how much would kimberly save?
*Wednesday, January 16, 2013 at 5:49pm*

**8th Grade MATH**

a pack of 8 collectable cards contains 1 rare card, 3 uncommon cards, and 4 common cards. If Javier has 45 packs of cards, how many more uncommon cards does he have than rare cards?
*Wednesday, January 16, 2013 at 5:45pm*

**math 6th grade**

if one side of a cube is 1/6. what are the lengths for the other sides?
*Tuesday, January 15, 2013 at 10:04pm*

**6th grade math**

Is -15 equal then to 15 or less then? My answer is less then an i right if not please tell me how and why?
*Tuesday, January 15, 2013 at 8:48pm*

**science 8th grade**

write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize the benefits of the table to the chemical profession. Remember, the chemists have never seen such a table.
*Tuesday, January 15, 2013 at 5:58pm*

**math**

what is tell me rule it frist grade help please......
*Tuesday, January 15, 2013 at 3:59pm*

**5th grade Language Arts**

I have a couple of phrases/sentences that need to be labeled as a type of figurative language. 1. Pitter Patter, raindrops are falling from the sky. (could this be onomatopoeia or personification?) 2. Boil the butter and bring it by the bank. (could this be an idiom or ...
*Monday, January 14, 2013 at 10:31pm*

**7th Grade Math**

how many possible solutions are there to five questions and the answer to each question is either true or false?
*Monday, January 14, 2013 at 8:11pm*

**4th grade math**

Barb is making a bead necklace. She strings 1 white bead, then 3 blue beads, then 1 white bead, and so on. Write the numbers for the first eight beads that are white. What is the rule for the pattern. Please help me explain this to my 4th grader
*Monday, January 14, 2013 at 7:36pm*

**Pre-AP physical science **

What is the best way to set-up my science fair project that is 40% of my 2nd semester grade and credits ?? A little lost
*Monday, January 14, 2013 at 6:24pm*

**7th grade science **

What could increase the damage to human built structures during an earthquake? A-buildings far away from the pint of origin of the earthquake B- loose material in underlying land C- solid rock beneath buildings D-flexible buildings is it C???
*Friday, January 11, 2013 at 5:36pm*

**English Grade 10**

Discuss society's tendency to fear the unknown.
*Thursday, January 10, 2013 at 10:45pm*

**7th grade social studies ms sue last question**

9. Many people in developing nations get their food by practicing (2 points) subsistence farming. commercial farming. mechanized farming. developing farming. is the answer "subsistence farming"?
*Thursday, January 10, 2013 at 6:12pm*

**7th grade Social Studies Ms. Sue please!**

This homework question was removed due to a copyright claim submitted by Connections Education. My answers: 1. organize information. 2. enough detail. 3. Earth's tilt and orbit 4. new landforms. 5. latitude. 6. polar. 7. birth rates and death rates. 8. They cannot find ...
*Thursday, January 10, 2013 at 5:44pm*

**7th grade math**

solve each equation. Check your solution. 1) 7 2 -X = - 3 3 2) 2 1 7c- - = - 3 2
*Wednesday, January 9, 2013 at 8:29pm*

**Math Grade 4 **

How many rectangles can i make with 12 centicubes? Are there areas and perimeters the same.
*Wednesday, January 9, 2013 at 6:08pm*

**science (revision)**

I have a test on electricity on Friday and I wandering if I could get a basic summary of what I should know. I'm British so I don know what grade I am but I'm 11 so aound that sort of basic level please!!! Thanks.
*Wednesday, January 9, 2013 at 1:58pm*

**8th Grade Science I need help!!!! **

18. Explain how the three types of fossils (trace, body, and cast) are formed. Please help!!
*Wednesday, January 9, 2013 at 12:47pm*

**math 4 grade **

Make an array with rows. Put 2 squares in each row. Draw a picture of the array
*Wednesday, January 9, 2013 at 11:31am*

**8th grade math !**

Miss wilson is going on a field trip... she needs one adult for every 15 students ... There are 100 students going on the trip ....how many adults are going .., I got 6.7 but u can't have half of an adult lol Plz help...
*Wednesday, January 9, 2013 at 2:48am*

**6th grade math**

a model of a park was built on a scale of 1.5 inches to 50 feet if the distance between two trees in the park is 150 feet what is the distance on the model.
*Wednesday, January 9, 2013 at 12:16am*

**math**

whats 4(2/3) im in 8th grade and i dont understand
*Tuesday, January 8, 2013 at 9:35pm*

**5th grade math**

please help solved the following fraction 11 13/15 + 3 7/12 = 14 3/4 + 7 + 5 7/8 = Thanks, Hannah
*Tuesday, January 8, 2013 at 7:12pm*

**english**

i'm required to write a 7 paragraph, 5 minute speech for my 8th grade lit comp class. the topic is "why my voice is important." but i can't think of any reason my voice is important. because it's not. i'm 14 years old! what say do i have in anything? ...
*Tuesday, January 8, 2013 at 6:47pm*

**8th grade math **

He had dimes and quarters ... He has 8 more quarters than dimes equalling 5.50..., how do u solve ..
*Monday, January 7, 2013 at 11:20pm*

**8th grade math **

15 kids for every 100 adults .. How many adults are there!! ... He cant be half an adult ... So idk
*Monday, January 7, 2013 at 11:17pm*

**math**

This is a 8th grade question: Given C+C=D, D+E=17, A+2C=D, and 2B+C=8, what is the value of A+B+C+D??? Can you also show how you got it?
*Monday, January 7, 2013 at 2:50am*

**7th grade social studies Ms. Sue please**

For a project I need to answer these questions: 1. What is eugenics and how is it linked to Darwin’s theory of evolution? 2. Why did the Scopes Monkey Trial occur? I have tried researching but I cannot find a good website anywhere. I tried Wikipedia, but it wasn't ...
*Sunday, January 6, 2013 at 9:13pm*

**math**

I am in 5th grade and i just want to know something : if i take science do i have to take classes that includes frog diseccetion and the human body? Because that stuff grosses me out and creeps me out.
*Sunday, January 6, 2013 at 2:07pm*

**Grade 3**

A grocery store shelf can hold 4 large boxes of laundry detergent. The store clerk put 25 boxes of laundry on the shelves. What is the least number of shelves needed for the display.
*Saturday, January 5, 2013 at 8:39pm*

**math**

(8 x____) x 5 = 8 x ( 20 x 5).. third grade question please help me solve
*Saturday, January 5, 2013 at 5:43pm*

**math**

The grade 5 class sold cheese for a fundraiser. What fraction of the orders did each of the four students take?
*Saturday, January 5, 2013 at 12:09am*

**math**

The fourth grade has 102 students.it has three times as many students as Mrs pride class.how many students are in Mrs pride class?
*Thursday, January 3, 2013 at 11:07pm*

**7th grade math help**

I HAVE NO IDEAAAAAA! Simplify the expression. 6. –6 – 7(c + 10) (1 point) 64 – 7c –76 – 7c 4 – 13c –16 – 13c 7. 2x + 3(x – 2) – 3(x – 6) (1 point) 2x + 12 2x – 8 8x – 24 2x – 24
*Wednesday, January 2, 2013 at 10:12pm*

**7th grade math Ms. Sue plese**

Can you please help me solve these problems? I have no idea! 2. w over four – 4 = 3 (1 point) –4 28 3 11 3. d over three+ 10 = 7 (1 point) 51 20 0 –9 6. –6 – 7(c + 10) (1 point) 64 – 7c –76 – 7c 4 – 13c –16 – 13c 7. 2x + 3...
*Wednesday, January 2, 2013 at 8:15pm*

**7th grade language arts Ms. Sue please**

4. In the phrase, "the grim-faced Yankee principal," how is the word "Yankee" an example of semantic slanting? (1 point) It is used with a negative connotation. It is an exaggeration. It presents a vivid image. Is the answer: It is used with a negative ...
*Wednesday, January 2, 2013 at 6:52pm*

**Math**

A sixth-grade class completed a survey about favorite foods. Of the students in the class 2/6 chose hamburgers, and 3/8 chose pizza. What fraction of the class chose either hamburgers or pizza.?
*Monday, December 31, 2012 at 2:57pm*

**8th grade math Ms. Sue**

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. I don't know how to solve this or what the answer is. Please help! You said: Denise has $50 and wants to buy two new shirts. She ...
*Wednesday, December 26, 2012 at 9:40pm*

**8th grade math for Ms. Sue**

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. I don't know how to solve this or what the answer is. Please help!
*Wednesday, December 26, 2012 at 9:11pm*

**math**

The principal of Valley Elementary School wants to divide each of the three fourth-grade classes into small same-size groups with at least 2 students in each. If the classes have 18, 24, and 36 students, respectively, what size groups are possible?
*Thursday, December 20, 2012 at 8:55pm*

**Adv Chem 12th grade**

4. Given the chemical formulas of the following compounds, name each compound and state the rules you used to determine each name. • RbF • CuO • (NH4)2C2O4 (Note: C2O4– is called oxalate.)
*Wednesday, December 19, 2012 at 7:34pm*

**4th grade math**

How do you explain how the product of 16 times 34 is like the product of 6 times 34 plus 10 times 34
*Wednesday, December 19, 2012 at 5:16pm*

**Math Grade 12 Advance Functions**

I need help understanding equivalent trigonometric functions! Can someone PLEASE help me because the test is tommorrow and the internet or my textbook isn't helping at all!
*Wednesday, December 19, 2012 at 12:31am*

**8th grade Language Arts**

I am writing a persuasive essay and I need some tips on making it persuasive. It is turning out to be just an essay, not a persuasive essay. Help!
*Tuesday, December 18, 2012 at 10:31pm*

**7th grade math Ms. Sue please last question**

You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. I need to show every step. Is this way correct? 11.99x = 59.95 11.99x ÷ 11.99 = 59.95 ÷ 11.99 x = 5
*Tuesday, December 18, 2012 at 8:39pm*

**Social Studies**

what 5th grade social studies word starts with Y,Z,and N?
*Tuesday, December 18, 2012 at 8:37pm*

**Grade 11 math**

If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it at all please help!
*Tuesday, December 18, 2012 at 8:28pm*

**social studies fair need help badly.!!! **

my social studies fair project is due tomorrow and i have no idea how to start my actual report i was fine and doing great until i got to the page with the usage,history, and construction of the ziggurat of ur on it.. i need a 7th grade rubric or example of a different essay...
*Tuesday, December 18, 2012 at 7:57pm*

**grade 12 math **

i have a test tomarow and i am soo lost with this this question is on my review sheet 16^2 = 2^x how do i solve this tell me in detail plz ty :)
*Tuesday, December 18, 2012 at 4:53pm*

**science**

My teacher is teaching us about Punnet Squares. But I don't quite understand how to do it? I have a test before christmas break. I know I need 2 be smart in 7th grade, but I don't know everything. Can u help me Jiskha? I don't want 2 fail science.
*Tuesday, December 18, 2012 at 4:42pm*

**Science 8R - help!**

I need a definition for Lines of force (8th grade science regents level, ny)
*Monday, December 17, 2012 at 9:48pm*

**3rd grade math **

25 cents __?__ 3/10 of a dollar
*Monday, December 17, 2012 at 6:51pm*

**Math 12th grade**

Find the sum of each infinite series, or state that the sum doesn'nt exist 1/7+5/14+25/28+
*Sunday, December 16, 2012 at 8:38pm*

**5th grade math**

how many ways can you use a dime, quarter, and nickel to make .60 cents?
*Sunday, December 16, 2012 at 10:58am*

**math need help**

study time in X hours 8 5 7 12 10 test grade Y in percent 68 50 62 92 80 a)model the date in a linear function b)interpret the meaning of the slope
*Sunday, December 16, 2012 at 12:49am*

**Math 5th grade**

I am working on reducing fractions. How do I find the answer to 12 over 8?
*Friday, December 14, 2012 at 6:54am*

**7th grade math Ms. Sue please**

1. 7r – 7 = 2r + 18 (1 point) r = –5 r = 5 r = 2.2 r = 1.2 2. 2x + 12 = 18 – x (1 point) x = 3 x = 10 x = 6 x = 2 3. 8x – 3 = 15x + 18 (1 point) x = –3 x = 3 x = 2.1 x = .9 4. 6y – 6 = 4y + 16 (1 point) y = 2.2 y = –2.2 y = 11 y = 5 5. 3(x &#...
*Thursday, December 13, 2012 at 10:09pm*

**Math - 8th grade**

Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
*Wednesday, December 12, 2012 at 9:42pm*

**8th Grade Math**

Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
*Wednesday, December 12, 2012 at 8:58pm*

**Math - 6th grade**

Farmer John built a barn that is 100 ft by 200 ft. what is the area? perimeter? percent? fraction? and decimal?
*Wednesday, December 12, 2012 at 8:01pm*

** math 5th grade**

Lynda cut 3.2 meters of ribbon into equal-size pieces. Each piece was longer than .01 meter, but shorter than .02 meters, with lengths in increments of .02 meters. How many pieces did Lynda cut and how long was each piece?
*Wednesday, December 12, 2012 at 5:53pm*

**5th grade math word problems**

mr lee's garden is square shaped. he planted 100% of it. 1/3 of it was carrots. 1/3 of it was tomatoes. The remained 48 square feet was filled with melons. What is the length of mr lee's garden?
*Wednesday, December 12, 2012 at 5:31pm*

**statistics**

5. A professor teaching introductory psychology gave the grades that follow. According to the normal curve, she should have given about 4% A’s, 14% B’s, 64% C’s, 14% D’s, and 4% F’s. Do a Chi-Square to determine if the actual grade assignment ...
*Wednesday, December 12, 2012 at 3:25am*

**8TH GRADE ENGLISH**

we are working on using verbs correctly, so is this sentence correct? (u either use:sit,sat, or set): The newspaper SAT on the table all afternoon last Sunday. is this correct?
*Tuesday, December 11, 2012 at 8:25pm*

**7th grade math Ms. Sue**

2. 6x + 29 = 5 (1 point) –4 –18 204 –144 9. Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point) 2.10b + 12.99 = 21.39; 4 bottles 2.10 + 12.99b = 21.39; 4 bottles 2....
*Tuesday, December 11, 2012 at 7:11pm*

**7th Grade Literature**

Could someone please give me some examples of the following peices of grammar? modifiers articles prepositions interjections Thank you very much!
*Tuesday, December 11, 2012 at 2:22pm*

**8th Grade Science**

Label these reactants and products: 3Fe + 2 O2> Fe3O4
*Tuesday, December 11, 2012 at 10:40am*

**math 6th grade proportions**

Sorry if I may be bugging you,but this homework is veryy hard for me!Karen gets 6 out of every 8 questions on a test correct.If she gets 27 questions correct,how many questions are on the test?
*Monday, December 10, 2012 at 8:06pm*

**math 6th grade proportions**

Hello,Umm I need Alot of help on this problem:Emma runs for 18 minutes out of the 45 minutes she spends exercising each morning.One morning she spends 70 minutes exercising.If her rates stay the same how many minutes will she spent running>PLEASE HELP A.S.A.P!!!!!!!!
*Monday, December 10, 2012 at 7:48pm*

**5th grade math (dividing fractions)**

Hi.. I need help figuring out this problem, sovling for x: 3 divided by x/9 = 5 and 2/5 I was able to solve: x divided by 3/4 = 6 by multiplying 6 x 3/4 = 4 1/2. Just not sure how to solve the first problem. If I change 5 2/5 into mixed number,I still don't know what to do...
*Sunday, December 9, 2012 at 7:26pm*

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