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October 1, 2014

October 1, 2014

Post a New Question | Current Questions

**9th grade math **

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9
*Wednesday, December 5, 2012 at 9:26pm*

**9th grade math **

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9
*Wednesday, December 5, 2012 at 9:26pm*

**9th grade math **

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9
*Wednesday, December 5, 2012 at 9:26pm*

**9th grade math **

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9
*Wednesday, December 5, 2012 at 9:26pm*

**9th grade math **

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9
*Wednesday, December 5, 2012 at 9:26pm*

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

Hi I am writing a paper for school about cancer cells. I can't seem to get a good introductory paragraph going. Can you give me some ideas? Thanks!
*Wednesday, December 5, 2012 at 9:15pm*

**Math help ? confused**

The length of the Boston Marathon is 138,435 ft. Each stride, or step, by a particular runner is 3 ft long. Does the number of strides the runner takes fit evenly into the length of the race? I am lost on this question. Can anyone give me a direction? Do I divide? I am in 6th ...
*Wednesday, December 5, 2012 at 7:38pm*

**7th grade math**

16. Find the final balance in an account with $730 invested at 3% annual simple interest for 4 years. (1 point) $735.48 $87.60 $817.60 $8,760.00 is the answer 817.60
*Wednesday, December 5, 2012 at 7:32pm*

**7th grade history**

How did the location of the Arabian Peninsula help the Muslims conquer territory beyond the Arabian Peninsula?
*Wednesday, December 5, 2012 at 6:20pm*

**5th grade math**

what is a word problem for 4.23x10
*Wednesday, December 5, 2012 at 4:59pm*

**5th grade math**

Jason ate lunch at Virginia’s Diner. If his meal cost him $11.00, and he wants to leave Virginia a 15% tip, how much money should Jason leave for the total bill? A. $11.50 B. $12.00 C. $12.36 D. $12.50 E. $12.65 how do you do this?
*Tuesday, December 4, 2012 at 11:17pm*

**5th grade math hard**

Are there any websites where i can make cubes and see the nets for them?
*Monday, December 3, 2012 at 5:48pm*

**grade 12 AP calculus**

Sketch a possible graph of a continuous function f that has domain [0,3], where f(0)=-3 and the graph of y=f'(x) is shown. Thank you so much for the help. It is making the concepts far more clear.
*Monday, December 3, 2012 at 4:54pm*

**6th grade science**

Which is a method of relative dating? A. examining historical records to determine when a volcano erupted B. using fossils to determine the oldest rock layer in a canyon C. measuring the depth of tree bark D. using radioactive isotopes to calculate the age of a rock I think ...
*Monday, December 3, 2012 at 3:03pm*

**Math**

The grade of a highway up a hill is 50%. How much change in horizontal distance is there if the vertical height of the hill is 175 feet?
*Monday, December 3, 2012 at 12:57pm*

**grade 12 AP calculus**

for f(x= -1/4x4-1/3x3+2x, use analytic method to find the exact intervals on which the function is a)increasing, b)decreasing, c)concave up, d)concave down, then find any e)local extreme values, f)inflection points
*Monday, December 3, 2012 at 11:33am*

**Algebra**

The grade of a highway up a hill is 50%. How much change in horizontal distance is there if the vertical height of the hill is 175 feet?
*Monday, December 3, 2012 at 11:21am*

**URGENT!! 7th Grade Math Help Please!!**

2. Price of the iPad Mini: $329.00 Price of the iPad with a 15% discount. Show all of your work please!! [4 points]
*Monday, December 3, 2012 at 12:19am*

**Grade 12 AP calculus**

You are using Newton's method to solve x3-5x-2=0. If your first guess is x1=2, what value will you calculate for the next approximation x2?
*Sunday, December 2, 2012 at 6:56pm*

**7 th grade math**

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please
*Saturday, December 1, 2012 at 9:42pm*

**7 th grade math**

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please
*Saturday, December 1, 2012 at 9:20pm*

**Math 8th Grade (Ms. Sue) ?**

An artist makes a painting that is 12 feet by 9 feet. He paints a frame around the painting. The frame is 3 inches wide. What is the area of the frame? Please provide formula for figuring out. Answers (a)10.75ftsq(b)10.5ftsq (c)12.96ftsq(d)5.3125ftsq Thanks.
*Saturday, December 1, 2012 at 12:20am*

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

1. If the following sentence was rewritten to be more specific, which would be the best revision? "It was a privilege and not a right, and you messed it up." (1 point) "It was a privilege and not a right, and you don't have it now." "It was a ...
*Friday, November 30, 2012 at 8:14pm*

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

4. Which of the following is a prepositional phrase? (1 point) he didn't feel safe leaving us behind without supervision 6. Which of the following is not an interjection? (1 point) oops awesome maybe My answers: 4. without supervision 6. maybe
*Friday, November 30, 2012 at 7:53pm*

**Astronomy Grade 9( PLEASEEE HELP!!!!!!!!!!!!!!)**

What hazards do humans face when they are in space and what technologies have been developed in response to these hazards?
*Thursday, November 29, 2012 at 11:15pm*

**Astronomy Grade 9**

What hazards do humans face when they are in space and what technologies have been developed in response to these hazards?
*Thursday, November 29, 2012 at 11:03pm*

**7th grade social studies**

What are the pros and cons to democracy? Thank you.
*Thursday, November 29, 2012 at 8:57pm*

**Math**

A high school volleyball team has 20 members. If there is an equal number of members from each of the 4 grades, how many students from each grade are on the team?
*Thursday, November 29, 2012 at 7:16pm*

**5th grade**

how do you divide 1/4 by 1/2? please tell answer and explain
*Thursday, November 29, 2012 at 5:05pm*

**Algebra Grade 7 (Rotation)**

If you rotate a clock clockwise 90° from 3:00, what will it be?
*Thursday, November 29, 2012 at 2:00pm*

**3 grade grammar **

Is the grammar correct not sure if there should be an apostrophe after the s in dads Mother planned a surprise party for Dads birthday.
*Wednesday, November 28, 2012 at 9:11pm*

**seventh grade math**

if 1/2 in. = 1/3 feet then how many feet is 27 inches please someone help me ................ its drawn to scale the 27 inches
*Wednesday, November 28, 2012 at 7:16pm*

**8th grade math**

Find the interest earned on each account. $970 at 4 1/2% simple interest for 2 years. I don't know if I solved the problem correct please help: I = p x r x t = 970 x 0.42 x 2 = 814.8 I don't know what number to convert 1/4 to!
*Wednesday, November 28, 2012 at 6:40pm*

**Algebra 8th grade.**

The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2 Please help!!!!
*Wednesday, November 28, 2012 at 4:34pm*

**math**

what is the answer to 8,580 words in 2 h 45 min in unit rates for 7th grade
*Wednesday, November 28, 2012 at 4:25pm*

**Algebra 8th grade please help!!!!!!**

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Please help!!!! a)39 m2 b)169 m2 c)117 m2 d)142 m2
*Wednesday, November 28, 2012 at 1:56pm*

**Math (5th grade )**

Kathy's mom has made a batch of lemon bars. Her treats are in a rectangular pan that measures 12" x 8". She will cut a vertical and horizontal live every 2 inches along the length and width of the pan. How many bars will each person receive
*Tuesday, November 27, 2012 at 8:14pm*

**7 grade math**

a helicopter blade spend 775 times in 3 mintues find the rate in revolutions per second
*Tuesday, November 27, 2012 at 7:33pm*

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

How do you find the sales tax of something? Here is one of my problems: The price of three dolls are $12.99. What is the price of the dolls with a 5% sales tax? Show all of your work! I cannot figure out how to put up an equation and solve this problem. Please help!
*Tuesday, November 27, 2012 at 5:52pm*

**5 th grade math**

what is the volume of a rectangular prism with a length of 4 inches, a width of 4 inches and a height of 2 inches?
*Tuesday, November 27, 2012 at 5:38pm*

**MATH 5TH GRADE**

HOW MANY TIMES MORE IS 2000 THAN 20?
*Tuesday, November 27, 2012 at 4:04pm*

**calculus**

a random sample of 80 students at a large school shows an average grade of 72 in algebra with a standard deviation of 4. find the t-score you would use for an 95 % confidence interval
*Tuesday, November 27, 2012 at 2:34pm*

**statistics**

sing the 95% confidence level and the 11th grade male writing scores in the Class Data file, you would expect the lower end of the confidence interval to be approximately what value?" Answer
*Monday, November 26, 2012 at 10:09pm*

**Geo 7th Grade**

Mexico City’s population is an example of __________________________. a. the growth of the divide between rich and poor c. the growth of immigration b. the shrinking middle class d. none of the above A?
*Monday, November 26, 2012 at 7:54pm*

**math 3rd grade**

How can you use 4x7 to find 8x7? find the product. I dont understand this how can i expect my 3rd grader to understand.
*Monday, November 26, 2012 at 7:47pm*

**Geo 7th Grade**

What would you say is the biggest influence on Mexico's economy?
*Monday, November 26, 2012 at 7:34pm*

**Geo 7th Grade**

All of the following are concerns about maquiladoras, factories on the United States-Mexico border, except a. they severely lower the GNP of Mexico. b. they negatively impact people’s health. c. they provide tedious work for low pay. d. they create air and water pollution...
*Monday, November 26, 2012 at 6:21pm*

**Geo 7th Grade**

12. A primary reason for the war of independence from Spain was __________. A) pressure from the United States to introduce a democracy B) the unwillingness of Spain to modernize the country C) the unhappiness of the criollos at the privileges reserved only for the ...
*Monday, November 26, 2012 at 6:13pm*

**5th grade math**

the press was invented about 1450 and had little change for 350 years. since then many changes have been made. how many decades have changes been occurring?
*Monday, November 26, 2012 at 5:12pm*

**5th grade Language Arts**

I need help classifying sentences (compound, complex, compound-complex). Here's the sentence: I got in trouble so I can't go to the party, but it would have been fun. I answered it was complex which I got wrong.
*Monday, November 26, 2012 at 4:55pm*

**Spelling 4th grade**

Down is to dive as up is to ____________?
*Monday, November 26, 2012 at 4:13pm*

**6th grade math**

Can't figure this math problem out: Write an algebraic expression for the product of five less than a number and three, less eight, is twenty-eight. HELP ME PLEASE!!
*Sunday, November 25, 2012 at 10:33pm*

**science **

please help me i am in 4th grade and i need help on my science project. my science project is, is smiling contagious and i have no idea what to do for research and data
*Sunday, November 25, 2012 at 7:59pm*

**English Speech**

This year, all the students in the same grade has to give a speech and the topic is "My voice is important because..." instead of repeating in every new story, "my voice is important because.." what is another way to state it?
*Sunday, November 25, 2012 at 5:57pm*

**Statistics**

A random sample of 80 students at a large school shows an average grade of 72 in Algebra with a standard deviation of 4. What is the standard error?
*Saturday, November 24, 2012 at 8:24pm*

**Statistics for Social Science**

A random sample of 80 students at a largae school shows an average grade of 72 in Algebra with a standard deviation of 4. Find the standar error.
*Saturday, November 24, 2012 at 4:25pm*

**9th grade honors algebra**

please help! I can't figure out the function rule for a table that says x=0,1,4,5 and y=9,6,-3,-6
*Saturday, November 24, 2012 at 12:05pm*

**Math**

This is a first grade problem my sister is having trouble. It is enrichment 5-5 " at the carnival" it says how many ways can Amanda ride all 3 rides? We need help cause I don't even know it myself!
*Tuesday, November 20, 2012 at 7:53pm*

**7th grade social studies**

In the Earth's Sourthern Hemisphere, what season begins in March? Spring Summer Fall Winter
*Tuesday, November 20, 2012 at 6:09pm*

**Geo 7th Grade**

What effects does climate have on Mexican daily life and its economy? I have no idea?!
*Monday, November 19, 2012 at 7:46pm*

**3rd grade math**

How can you use the multiplication facts for 3 to help fond the multiplication facts for 9?
*Monday, November 19, 2012 at 7:32pm*

**English 8R - help!!!!!**

what's the definition for connotation is there a website that have a list of all 8th grade english vocab.
*Monday, November 19, 2012 at 6:58pm*

**Geo 7th Grade**

One challenge faced by people living in Mexico’s heartland region is __________________. a. the threat of hurricanes c. the threat of earthquakes b. the threat of typhoons d. the threat of tornadoes A or C? I'm not sure
*Monday, November 19, 2012 at 1:46pm*

**Geo 7th Grade**

Which of the following coastal regions contains deposits of petroleum and natural gas? a. Northern Pacific coast c. Gulf coastal plain b. Southern Pacific coast d. Yucatán Peninsula C?
*Monday, November 19, 2012 at 1:33pm*

**Geo 7th Grade**

About half of the acid rain in Canada comes from the United States. true?
*Monday, November 19, 2012 at 12:26pm*

**8 grade**

A farmer is planting a crop straight line with three feet of distance between each plant. If planted 23, what is the distance between the first and the last crop?
*Saturday, November 17, 2012 at 3:27am*

**Geo 7th Grade**

To help reduce air pollutions legislation had been passed a. stating that all vehicles made after 2015 must contain hybrid engines. b. banning the use of any items that cause smog. c. limiting automobile gas emissions, d. requiring all households to have solar panels that ...
*Friday, November 16, 2012 at 11:14pm*

**Geo 7th Grade**

is increase of fish population due to acid rain?!?!?!?1 thanks ♥dino♥
*Friday, November 16, 2012 at 11:12pm*

**work**

1. You are a member of Special Troop Battalion, 3d BCT, 10th Mountain Division. Your battalion will deploy to Iraq within six months. The battalion commander approved your unit’s METL. The METL identifies critical tasks for each platoon and now it is time for squad ...
*Friday, November 16, 2012 at 10:43am*

**7th grade **

The story that I read for school (At Her Father's And Her Mother's Place) takes place in 1923 in Russia. What was life like during that time in terms of the politics and economics in Russia? Can you give me links to find these answers?
*Thursday, November 15, 2012 at 9:46pm*

**7th grade English**

Explain whether the following statement is a fact or an opinion: "Capitalism is a better system of government than communism." Give reasons for your answer. Isn't this sentence an opinion because it uses the word "better"?
*Thursday, November 15, 2012 at 7:55pm*

**^th grade math,**

using mental math and distributive property solve: 25(12)
*Thursday, November 15, 2012 at 7:34pm*

**English 8R - help!!!!!**

what is nature (please define it in an 8th grade level)
*Thursday, November 15, 2012 at 7:15pm*

**4th grade math**

111,022 = 111,000 276,421 = 280,000 is this correct sue
*Thursday, November 15, 2012 at 6:04pm*

**5th grade**

How can I do distributtive property to break apart each multiplication 5*13=5*(6+_)=(5*_)+(_*7)
*Thursday, November 15, 2012 at 6:03pm*

**Grade 7 Geo Questions thx!!**

why is the Midwest is sometimes referred to as the breadbasket? What is the importance of the Mississippi River to the Midwest region??? what is the most important-y major-ish region? oh and thx in advance-- :)
*Thursday, November 15, 2012 at 5:38pm*

**Science**

Before the test, I had a 97 average. I got a 92 on the test. What would my average an my grade be?
*Thursday, November 15, 2012 at 1:52pm*

**5th grade math**

Given 257 sec, 15,000 feet per second Find the acceleration due to earth's gravity.
*Thursday, November 15, 2012 at 1:20pm*

**7th Grade Math!!**

Help!!! How to find the dimensions on a house after its built if it is 18 feet by 16 feet. The only info they give me is that 1/2 in = 10 feet?? What formula do I use?
*Thursday, November 15, 2012 at 9:51am*

**7th grade Math**

The following proportion could be used to change from feet to which measure. 1/12 = 2/x customary length: 1 mile=1760 yards 1 mile=1285280 feet 1 yard=3 feet 1 foot=12 inches A. ounces B. pints C. quarts D. gallons
*Thursday, November 15, 2012 at 8:44am*

**all subjects**

my name is sandhya i think my daughter is having a exam phobia .recent exams she failed . but before monthly tests she got b+ grade .i think she is not adull child but she 's is afraid of exams .plz suggest how to remove this fear.
*Thursday, November 15, 2012 at 8:03am*

**7th grade math quick please**

Mrs. Miller sells a house for $179,000. If she earns a commission of 6%, how much money does she earn? Write a proportion and show your work.
*Wednesday, November 14, 2012 at 9:44pm*

**7th Grade Math**

Help!!! If a den has 0.5 by 0.6 dimentions , what will be the dimensions after the house is built; 1/2 in = 10 ft Can any one help me figure this out???? Thanks!!
*Wednesday, November 14, 2012 at 8:57pm*

**7th grade math**

The following proportion could be used to change from feet to which measure. 1/12 = 2/x customary length: 1 mile=1760 yards 1 mile=1285280 feet 1 yard=3 feet 1 foot=12 inches A. ounces B. pints C. quarts D. gallons
*Wednesday, November 14, 2012 at 8:42pm*

**5th grade math**

In the Finn family each girl has the same number of brothers as sisters. Each boy has twice as many sisters as brothers. How many children are in the family?
*Wednesday, November 14, 2012 at 7:28pm*

**5th grade math**

On a balance scale 5 books on one side of the scale balance with 3 books and half a pound weight on the other side. All of the books weigh the same amount. How much does each book weigh.
*Wednesday, November 14, 2012 at 5:22pm*

**5th grade math**

In the Finn family each girl has the same number of brothers as sisters. Each boy has twice as many sisters as brothers. How many children are in the family?
*Wednesday, November 14, 2012 at 5:20pm*

**MATH FIFTH GRADE MATH!!!!!!!!!!!!!!!!!!**

WHICH DATA LANDMARK BEST REPRESENTS THE NUMBER OF HOURS A TYPICAL STUDENT WATCHES TV-------------------- THE MEAN, MEDIAN, OR MODE wHY????????????_________________________________________________________________________________________________________...
*Tuesday, November 13, 2012 at 6:30pm*

**Fifth Grade Math**

WHICH DATA LANDMARK BEST REPRESENTS THE NUMBER OF HOURS A TYPICAL STUDENT WATCHES TELEVISION-- THE MEAN, MEDIAN, OR MODE __________________ WHY? ________________________________________________________________________________...
*Tuesday, November 13, 2012 at 6:06pm*

**5th grade math word problems**

bob started each work on the hour. one day he decided to start work twenty minutes early. he started work when his digital watch had consecutive numbers. what time did he start work
*Tuesday, November 13, 2012 at 5:17pm*

**5th grade math**

what is 1 minus 1-sixth minus 11 eighteenths?
*Tuesday, November 13, 2012 at 4:42pm*

**8th grade math**

What is the area.in square yards of a rectangular Field that is 25 yards long and 20 yards wide.
*Tuesday, November 13, 2012 at 2:59pm*

**Help, Math 8th grade!!!!!**

14. Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. Please help!! I need answer now!! I have been working on this problme for over an hour cant get it, please help, ...
*Tuesday, November 13, 2012 at 2:28pm*

**7th grade math**

how do I write an equation for "fifteen decreased by twice n equals 13"
*Tuesday, November 13, 2012 at 12:11am*

**7th grade math**

The question is simplify -9=1(36divided by 2 x3-4) I did -9+1(18x3-4) _9+1(54-4) -9=1(50) -9+50 41 Is this correct I did this with a friend and we both got different answers. Maybe I di the wrong order of operation?
*Monday, November 12, 2012 at 10:53pm*

**7th grade language arts only 1 question**

5. A synonym for the word nimble is _____. (1 point) lively secret damaging weak Isn't the answer "lively", Ms. Sue?
*Monday, November 12, 2012 at 10:51pm*

**5th Grade Math**

Need to show my work for the following: 646,505,712,103 divded by 72. Am having such a hard time please help.
*Monday, November 12, 2012 at 8:35pm*

**english**

Hello! say i got 54 out of 75 points on a test... what would my grade be (A,B,C,D,or a F). thanks!
*Sunday, November 11, 2012 at 5:55pm*

**Writing**

Help me please! My daughter is failing in the 4th grade with her writing. How can I help her improve her writing skills? She doesn't grasp what she reads fully because her writing doesn't match with what she reads. asahe leaves out crucial information and her spelling ...
*Sunday, November 11, 2012 at 5:07pm*

**7th grade social studies help please**

The twentieth century–and the 1960s in particular–saw a proliferation of independence movements among former European colonies in Africa and Asia. Why do you think countries wanted independence? In what ways did these countries' struggles for independence mirror ...
*Thursday, November 8, 2012 at 11:20pm*

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