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August 27, 2014

Homework Help: 3rd Grade

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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

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

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

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