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July 23, 2014

July 23, 2014

Post a New Question | Current Questions

**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*

**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*

**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**

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*

**science grade 7**

Because pressure sensors are found deep in the dermis, they are not able to feel the difference between a little pressure and a lot of pressure. False?
*Thursday, November 8, 2012 at 4:41pm*

**Grade 5 Math**

Carlette named three movies and asked students which movies they had seen. How could she best display this data so you can tell how many students saw all three movies?
*Thursday, November 8, 2012 at 1:08pm*

**Algebra Grade 7**

How do I calculate the sales tax? And discount. Thanks in advance!! ♥dino♥
*Thursday, November 8, 2012 at 2:56am*

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

1. 0.003 as a percent 2. 0.00007 as a percent My answers: 1.0.03% 2. 0.0007%
*Wednesday, November 7, 2012 at 10:18pm*

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

Can you give me links to these questions please? What did the Telegraph Lead to? What was life like after the Telegraph? Positive and negative Impacts of the Telegraph
*Wednesday, November 7, 2012 at 7:44pm*

**5th grade language**

In the following poem I need to know examples of assonance in lines 1-4 1. There once was a cowboy named Ray 2. Who never had that much to say 3. Except for the times 4. Stampedes stopped on a dime 5. When that cowboy named Ray hollered "hey"
*Wednesday, November 7, 2012 at 4:48pm*

**7th grade math**

Are the ratios 4/6 and 14/21 equivalent or not equivalent? Why?
*Tuesday, November 6, 2012 at 10:07pm*

**7th grade math last question!**

#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. A (2,4) B (-3, -1) C (0,9) D (6,-4) I DESPERATELY NEED HELP WITH THIS QUESTION IT ISN'T MULTIPLE CHOICE SOMEONE HELP PLEASE!!!!
*Monday, November 5, 2012 at 11:22pm*

**7th grade math help 2 question**

#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. * A (2,4) B (-3, -1) C (0,9) D (6,-4) #10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 ...
*Monday, November 5, 2012 at 10:49pm*

**7th grade math Ms. Sue please only 1 question!!!!!**

On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements?
*Monday, November 5, 2012 at 10:17pm*

**6th grade math**

What does this sign mean "| |"
*Monday, November 5, 2012 at 8:36pm*

**6th grade math**

What does this sign mean "| |"
*Monday, November 5, 2012 at 8:29pm*

**7th grade science Ms. Sue pleae only 1 question**

1. Gene therapy research uses _______ to alter defective hereditary material. (1 point) bacteria cells interferons viruses Is the answer viruses? Or maybe its cells?
*Friday, November 2, 2012 at 10:56pm*

**Geo- 7th Grade**

What are the Atlantic Provinces?
*Friday, November 2, 2012 at 9:12pm*

**Math**

This is a 3rd grade math problem that my son had on homework. Can you explain how to derive the answer for this problem? The problem, as wriitten, is below.... I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I? Thank you
*Friday, November 2, 2012 at 5:56pm*

**pre-algebra**

why there's no # 54-72 on pg. 214 on the 7th grade math textbook??? if you can't tel why it's ok and thanks by the way
*Thursday, November 1, 2012 at 6:57pm*

**5th grade math**

tulips are planted every four feet in a rectangular garden the sides are 16 feet and 12 feet how many tulips are there?
*Thursday, November 1, 2012 at 6:22pm*

**Psychology**

Jennifer reads books recommended by her history teacher even though there is no grade given for reading them. Which of these applies? Functional fixedness Intrinsic motivation Inductive reasoning Incubation Heuristics
*Thursday, November 1, 2012 at 1:43pm*

**elementary**

third grade project in order to enhance our unit on inspired by the sea.home research project on an ocean animal of their choosing.please help me.any links
*Wednesday, October 31, 2012 at 9:13pm*

**5th grade math word problems**

One packet of sweetner is 1 gram and has 4 calories. If Joan uses 4 grams each workday, Monday through Friday, and half as much each weekend day, how many calories does she use for sweetner each week?
*Wednesday, October 31, 2012 at 4:48pm*

**5th Grade word problems**

Mary is 1/6 the age of her mother this year. Next year she will be 1/5 the age of her mother. In how many years will she be 1/3 her mother's age.
*Wednesday, October 31, 2012 at 4:44pm*

**7th grade math**

Determine if the situations represent proportional relationships. Explain. 1. Gina can buy 1 bottle of shampoo for $2.95 or 2 bottles for $4.50.
*Tuesday, October 30, 2012 at 10:17pm*

**6th grade Math**

Please help me with this problem, i don't understand how to do it. Thank you How many rectangles can you build with a prime number of square tiles?
*Tuesday, October 30, 2012 at 8:30pm*

**8th Grade Math **

Johanna carves a square block of wood that has on one side an area of 872 square inches. To the nearest integer, what is the length of the side?
*Tuesday, October 30, 2012 at 5:07pm*

**8th Grade Math**

Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block?
*Tuesday, October 30, 2012 at 4:41pm*

**Senses- Science Grade 7**

The semicircular canals sends impulses to the cerebellum? If false what is the correct answer? I do not know.
*Monday, October 29, 2012 at 7:42pm*

**World Geo Grade 7**

Whats one of the most famous fishing spots in the world? Colorado river Grand Banks Hawaii islands St Lawrence river or Mississippi river? St. Lawrence?
*Monday, October 29, 2012 at 4:40pm*

**Climate/Vegitation Grade 7**

What type of vegetation is most commonly found in humid areas? a. scrub c. forests b. grasslands d. farmland
*Monday, October 29, 2012 at 3:17pm*

**science grade 7**

-80 decibels more than or less than -20 decibels??
*Monday, October 29, 2012 at 3:58am*

**math grade 12**

A open-topped box can be created by cutting congruent squares from each of the four corners of a piece of cardboard that has dimensions of 20cm by 30cm and folding up the sides. Derermine the dimensions of the square that must be cut to create a box with a volume of 100cm3. ...
*Saturday, October 27, 2012 at 3:37pm*

**Math - 10th grade**

Simplify: (1-i)^3 Here's how I break it down using the formula (x-y)^3 but I just don't know how to get to the final answer. Please help. = 1-3i+3(i)^2-(i)^3 Thank you
*Saturday, October 27, 2012 at 2:39pm*

**Algebra Grade 7**

Point S is the midpoint of RT. compplete the statement: ST = 11 in., RT = __
*Saturday, October 27, 2012 at 1:37pm*

**Algebra Grade 7**

How are a segment bisector and midpoint of a segment related?
*Saturday, October 27, 2012 at 1:43am*

**Algebra Grade 7**

Why can a line and a plane be named in more ways than one?
*Friday, October 26, 2012 at 11:59pm*

**Algebra Grade 7**

It is possible to estimate the length of a line SEGMENT. true?
*Friday, October 26, 2012 at 5:03pm*

**Algebra Grade 7**

It is possible to estimate the length of a line. True?
*Friday, October 26, 2012 at 4:53pm*

**Algebra Grade 7**

Triangle MON has side lengths of 13, 14, and 12. IS it scalene or scalar triangle?
*Friday, October 26, 2012 at 3:45pm*

**Algebra Grade 7**

The eight members of the Ping Pong Paddlers Club have a tournament in which every player plays a game against every other player. How many games are there in the tournament?
*Friday, October 26, 2012 at 3:15pm*

**Algebra Grade 7**

Newtown is 522 km west of Jamesburg. Pottsville is 356 km east of Jamesburg and 928 east of Mayfield. How far and in what direction is Newton from Mayfield? Pleas help me,thank ya. ♥dino♥
*Friday, October 26, 2012 at 1:50am*

**Problem solving:for 3rd grade**

Write a real-world problem that you can solve by adding or subtracting.Then give your problem to a classmate to solve.
*Thursday, October 25, 2012 at 10:29pm*

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

Write each ratio in simplest form. 1. 28 seconds / 2 minutes 2. 22 in. / 3 feet 3. 36 cm. / 132 cm. Can you help me i have NO IDEA how to solve these thanks
*Thursday, October 25, 2012 at 6:54pm*

**math**

how to solve identity property,2nd grade
*Wednesday, October 24, 2012 at 10:08pm*

**math**

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?
*Wednesday, October 24, 2012 at 7:57pm*

**7th grade math ms.Sue please?**

What is the solution to -75 (find the square root) to the nearest integer? 9 8 -8 -9 -75 square root is 8.660254 wouldn't that be rounded to -9?
*Wednesday, October 24, 2012 at 6:03pm*

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Post a New Question | Current Questions