Tuesday
March 3, 2015

Homework Help: 8th Grade

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Pre-Calculus
A road sign at the top of a mountain indicates that for the next 4 miles the grade is 12%. Find the angle of the grade and the change in elevation for a car descending the mountain.
Thursday, February 5, 2009 at 11:24pm

math
i was trying to calculate wut grade i got if the avg on a midterm was 47.76 and the mean was 10.19 i got 37 wut grade did i get?
Thursday, February 5, 2009 at 5:06pm

8th Grade Math (Algebra1)
I actually have a few different problems that are giving me trouble. The first: We have to use the motion problem formula: d=rt and make a table containing the elements: rate: * time: = distance ------------------------------ label #1 label #2 The Directions for this problem&#...
Tuesday, February 3, 2009 at 9:21pm

math
there is a graph, and the title is Students who dress up for spirit week.60 grade 7 boys did,70 grade 7 girls did,70 grade 8 boys did, and 80 gr 8 girls did. the question is what this graph is showing. I put the graph is showing how many gr 7 boys dressed up for spirit week, ...
Saturday, January 31, 2009 at 10:46pm

math
Three students from grades 10,11 and 12 were elected to the student council. Grade 10: Tom(T), Sally(s) and Bill(B) Grade 11: Jerry(J),Anne(A)and Connie(C) Grade 12: Dan(D), Martha(M) and Gwen(G) A three member committee is to be formed with one person from each grade. All ...
Friday, January 30, 2009 at 10:54pm

8th Grade Algebra Answer Check
Josh and Racquel sold corn dogs and burritos at the math club fundraiser. The corn dogs(c) cost $.35, and the burritos(b) cost $.75. They sold a total of 600 items, and raised $360. a)Write an equation for the total # of items sold. b)Write and equation for the total cost of ...
Sunday, January 25, 2009 at 10:36am

Writing
8th graders have a writing test coming up and they have to write an expository essay. The biggest problem is, I don't know what that is...help! If you can tell me and also give me an example. Thanks -MC
Tuesday, December 16, 2008 at 10:45am

3rd grade
my son is in the third grade. how do you figure out the mass
Tuesday, December 9, 2008 at 7:55pm

Persuasive writing....
I will be teaching my grade 5 students a lesson on persuasive writing. Do you know where I could find some sample persuasive essays to show them, especially ones that are on fifth grade level. Thanks for your help
Friday, December 5, 2008 at 11:37pm

AED
What skills will you teach and how will you teach them in mathematics. need 200 words and all I have so far is: I can teach this concept to students in a lower elementary grade and to students in a middle school grade by
Friday, November 21, 2008 at 10:19pm

8th advanced math
how do you turn 3y=-2x+6 into slope intercept form?
Thursday, November 20, 2008 at 5:06pm

AED
describing how you can teach this concept to students in a lower elementary grade and to students in a middle school grade.
Monday, November 17, 2008 at 9:04pm

8th grade
(a)on july 15,2007 , the national debt of the united states of americawas a little more than 8.8 trillion dollars. at that time, the population of the united states was a little more than 300 million. approximately how much money would each of the 300 million people living in ...
Thursday, November 13, 2008 at 11:57pm

8th grade
A) light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation B) the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the...
Thursday, November 13, 2008 at 11:50pm

5th Grade student teacher: Needs ur help....
What fun activity could I use to to teach 5th grade students about the Constitution?
Thursday, November 6, 2008 at 8:51pm

repost of composition
mentioned earlier that I was doing an essay on the Taj Mahal. Here is my draft for it and I'd like you to revise it;any tips are highly appreciated. I used the first site i found on google when I typed in Taj Mahal essay help (since i cant give a link) Thanks-MC The Taj ...
Wednesday, November 5, 2008 at 10:03am

composition
I mentioned earlier that I was doing an essay on the Taj Mahal. Here is my draft for it and I'd like you to revise it;any tips are highly appreciated. I used the first site i found on google when I typed in Taj Mahal essay help (since i cant give a link) Thanks-MC The Taj ...
Tuesday, November 4, 2008 at 6:15pm

8th gr algebra
joan invested some money in bonds at 6% and $8000 less that in stocks at 5% .her total intrest is $1690. how much was invested in stocks? help please.
Tuesday, October 28, 2008 at 11:15pm

Algebra 1: 8th Grade
Montreal and Quebec City are about 260km apart along Route 20 in Canada. Sylvia is leaving Montreal to go to Quebec City at a speed of 90km per hour. And Anne is leaving Quebec City to go to Montreal at a speed of 105km per hour. a) When and where do Slyvie and Anne pass each ...
Monday, October 27, 2008 at 11:12pm

7th grade
can you just give me a math riddle thats understandable to 7 th grade
Monday, October 27, 2008 at 6:56pm

8th Grade Algebra
Musicians generate sound waves when they sing or play an instrument. The rate at which a sound wave vibrates determines the musical note, or pitch, that you hear. For example, The A note above a note called Middle C has a frequency of 440 vibrations per second. 18) When two ...
Sunday, October 26, 2008 at 6:13pm

8th Grade Math
Tom was floating down the river on a raft when, 1km lower down, Michael took to the water in a rowing boat. Michael rowed downstream at his fastest pace. Then he turned around and rowed back, arriving at this starting point just as Tom drifted by. If Michael's rowing speed...
Tuesday, September 30, 2008 at 7:57pm

Science-8th Grade
5. Volume is an object is how much ________ it takes up. 6. When we measure the temperature of an object in the metric system, we use _______ 7. Scientist say that measuring mass of an object means measuring how much matter something has. What is matter? 8. You are a space ...
Monday, September 29, 2008 at 11:16pm

education class
What would a good teaching strategy be for language arts in a grade 1 classroom and a grade 8 classroom?
Sunday, September 28, 2008 at 7:59pm

language arts
I have to put together and present a strategy that is effective in the teaching of language arts at a specific grade level. What would a good idea be for around the grade 2 level? and why is it important?
Saturday, September 27, 2008 at 11:36pm

math
-2(18+19)8th x 19 +18 divided by 9 seventh power x 6
Monday, September 15, 2008 at 7:40pm

crayon riddle 8th grade
Rachel loves to color. One of her fat crayons wears down to nothing after 15 hours and her skinny crayon wears down to nothing after 6 hours.. One day she starts coloring at 10:30am with two crayons one fat one skinny with the same height. At what time will the skinny crayon ...
Monday, September 15, 2008 at 11:27am

chemistry
(3.21x10 to the 8th)(6.32x10 to the -12th) is it... 20.2872x10 to the -4th?
Wednesday, September 10, 2008 at 8:28pm

chemistry
i have a question on scientific notation. is you have: 8x10 to the 5th power over 2x10 to the -3rd power is the answer 4x10 to the 8th?
Wednesday, September 10, 2008 at 8:23pm

reading 4th grade
looking for someone to tell me where I can find anything on "Tales of a Fourth Grade Nothing"
Monday, August 11, 2008 at 10:20pm

5th grade expectations
my son is going to the fifth grade. What do I need to do to make sure he is ready?
Friday, July 18, 2008 at 8:39am

Problem Solving
Lindsey has 75% as her final grade, but after she writes her exam she gets 85%. If her exam is worth 7.5%, what is her final grade.
Saturday, June 14, 2008 at 3:14pm

about economics book
any has the question's answer of arnold roger's micro economics book(8th edition).pls help me.
Friday, June 13, 2008 at 11:43pm

Part 1
Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50 <= X and X < 70) output "your grade is" X output "you did OK" else if (70 <...
Wednesday, June 11, 2008 at 4:57pm

Part 1
input X if (0 <= X and X < 49) output "you fail" else if (50 <= X and X < 70) output "your grade is" X output "you did OK" else if (70 <= X and X < 85) output "your grade is" X output "you did well" else if (...
Wednesday, June 11, 2008 at 4:55pm

biology
what happens when there is excess of glucose in the blood? please give the answer big and simple bcz im an 8th standard student
Tuesday, May 13, 2008 at 12:50pm

Science 8th grade
please check my answer thanks I need to write at least one paragraph regaurding this Urinalysis is a very commo diagnostic test. Describe and name the poddible abnormal results related to the test.. indicate the disorders tha these abnormal test results may sugguest. My answer...
Tuesday, April 1, 2008 at 7:47am

geometrey
The grade of a road is 7%. What angle does the road make with the horizontal? I'm confused!! What is the grade of a road? Thanks for the help!
Monday, March 10, 2008 at 8:51pm

science: help
i need to do a science fair project. i am in 7th grade and my teacher said that it can't be something a 6th grade or younger could do. i wanted to do something with kinetic energy. like maybe drop an egg from different heights and measure its k.e. any suggestions?
Friday, March 7, 2008 at 4:14pm

maths
finf the definite integral of the following h(u)=cos^2(1/8*u) (8th*u)
Wednesday, March 5, 2008 at 3:48am

8th math
What are the odds of having a coin land tails up on 4our consecutive tosses of the coin. I took (1/2)^4 and got 1/16 but my teacher counted it wrong is 1/16th right?
Saturday, March 1, 2008 at 4:19pm

MATH-PERCENTILES
I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55 ? SCIENCE-30 ? I WAS...
Saturday, February 9, 2008 at 1:10pm

latin
I have to write an analysis of Catullus 8th poem. Tips on how to write analysis please?
Sunday, January 27, 2008 at 10:54am

English
Any one got any book recommendations for a 8th to 9th grader?
Sunday, October 28, 2007 at 4:51pm

English
I need some recommendations for a challenging book for an voracious reader who can read advanced books and understand them. Somewhere of a reading level of 8th,9th or 10th.
Tuesday, October 23, 2007 at 7:58pm

algebra
Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade.
Wednesday, October 10, 2007 at 12:50am

physics
find the average of a block being propelled propelled by an elastic band. very sorry to disturb Mr bobpurlsey again. i am very thankful to you replies. the only problem that lies in the answer is that i haven't been taught hooke's law in Grade 11. which indicates 1/2kx...
Wednesday, June 13, 2007 at 7:49pm

random
I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.
Monday, May 7, 2007 at 6:27pm

English
what is a good historical fiction book for an 8th grade reader? There are several good historical fiction books listed in these sites. http://www.education-world.com/summer_re​ading/8th_grade.shtml http://www.ci.torrance.ca.us/Library/114​96.htm I can recommend ...
Wednesday, March 21, 2007 at 3:54pm

math
Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the next test. The average ...
Monday, March 19, 2007 at 11:58am

????Math Question????8th grade adv.math
Algebra! How is the distance formula and the pythagorean theroem similar? The distance formula follows from the pythagorean theorem. You have to apply it twice: If (x1, y1, z1) are the coordinates of a point 1 and (x2, y2, z2) are the coordinates of point 2, then the distance ...
Wednesday, February 7, 2007 at 8:36pm

math magic square
on a four by four grid distribute the numbers 1 through 8 and -1 through -8 so that all horizontal, vertical and main diagonals equal zero http://mathworld.wolfram.com/MagicSquare​.html You have to b a smart kid to answer this soo you cant you dumb ass i am an 8th grade ...
Tuesday, February 6, 2007 at 7:44am

Physics
An object moves in a circular path with constant speed. Is the object's velocity constant? Is its acceleration constant? Please explain. From what I've learned in my 8th grade science class, when velocity changes is when the direction or speed changes. So if it is ...
Wednesday, January 10, 2007 at 7:48pm

math??
What is 4 to the 8th power? paste this in the google search window: 4^8= 65536 thanks but rc
Monday, November 13, 2006 at 7:57pm

Math
Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final is 20% of the overall grade. Could a student that has a 75 homework average, 80 lab average, 40 test average, and 50 on the final pass the course? ...
Tuesday, September 19, 2006 at 11:49pm

social studies 8th
Which of the following are informal powers of the governor? Choose all that apply. (2 points) serving as spokesperson for the state*** acting as honorary head of his or her political party commanding the state's military forces*** proposing an annual budget for the state ...
Monday, March 2, 2015 at 6:58pm

math(5th grade)
In the choir, 1/2 of the members are boys and 1/2 are girls. If 1/4 of the boys are5th graders what fraction of the whole choir is 5th grade boys?
Thursday, February 26, 2015 at 12:54am

algebra-6th grade
what is a coefficient?
Wednesday, February 25, 2015 at 4:08pm

English
Okay, So I didn't post this one because I thought I had it right.. but now im unsure. My school appeared on the news last week because we had made an important change in our community. Our 8th grade class had planted a large garden in what was once only a vacant lot. It ...
Monday, February 23, 2015 at 8:04pm

Social Studies/6th Grade Geography.
"Why do most people live in the Western part of Columbia?" A - to enjoy the cooler climate of the mountains, B - to be closer with the boarder of Venezeula, C - to live along the Pacific coast, D - to benefit from the country's lush rainforests. I was trying to ...
Friday, February 20, 2015 at 6:20pm

math
the 6th term of A.P. is 5 times the fifth term and the 11th term is exceeds twice the fifth term by three.find the 8th term
Thursday, February 19, 2015 at 1:26am

Math
1. "A bacteria population doubles in number every 3 hours. If there are 40 individuals now, how many in 24 hours?" SO I used the geometric series sum formula, with n=8(24/3=8), t1=40, and r=2, but I got 10200 as the answer, instead of what the answer key solves as ...
Saturday, January 24, 2015 at 10:40pm

statistics
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level.
Friday, January 23, 2015 at 1:49pm

math
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level.
Friday, January 23, 2015 at 12:54pm

Math
Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...
Wednesday, January 21, 2015 at 8:45pm

grade 6 math
13 more than product of m and 5
Wednesday, January 21, 2015 at 7:16pm

math
At a given time, Saturn was 9.1 x 10 to the 8th miles from the sun and the earth was 9.3 x 10 to the 7th miles from the sun. by what distance is one planet closer to the sun than the other planets?
Wednesday, January 14, 2015 at 8:17pm

Grade
If there are 70 questions and you get an 80 how many did you miss
Thursday, December 18, 2014 at 9:42pm

math
So i have this project and i need help on it. It says ....As your 8th grade graduation approaches,your parents decide to begin planning for your graduation party.Your parents have asked for your help in deciding which companies will be the better deal for them to use since you...
Thursday, December 18, 2014 at 9:32pm

math
So i have this project and i need help on it. It says ....As your 8th grade graduation approaches,your parents decide to begin planning for your graduation party.Your parents have asked for your help in deciding which companies will be the better deal for them to use since you...
Thursday, December 18, 2014 at 9:13pm

math
If Susan takes two tests and makes a makes a 54/100 on the first test and a 63/100 on the second test, and is given a third test and makes an 80/100(which can only count as 20% of her total grade for all three test, what is her final grade/score.
Thursday, December 18, 2014 at 1:14pm

Science
The speed of light is 3 x 10 to the 8th power meters per second. If the sun is 1.5 x 10 to the 11th power meters from earth, how many seconds does it take light to reach the earth?
Monday, December 15, 2014 at 7:06am

5th grade math
how do i simplify
Thursday, December 4, 2014 at 10:02am

8th grade; English
Which of the following best explains the difference between informative and explanatory text? a. Informative provides readers a sense of why something happens, while explanatory tells the order in which something happened. b.Informative provides a reason to support an author&#...
Saturday, October 25, 2014 at 9:18pm

8th grade language arts
Which of the following best explains the difference between informative and explanatory text? a. Informative provides readers a sense of why something happens, while explanatory tells the order in which something happened. b.Informative provides a reason to support an author&#...
Saturday, October 25, 2014 at 11:50am

Physics
On June 9, 1988, Sergei Bubka broke the world pole-vaulting record for the 8th time in four years by attaining a height of 6.14 m. How long did it take Bubka to return to the ground from the highest part of his vault?
Tuesday, October 14, 2014 at 12:21pm

physics
Ten , one rupees coin are put on the top at of each other on a table. Each coin has a mass 'm'. Give the magnitude and direction of - (1)- The force of 7th coin (counted from bottom) due to all coins on its top. (2)- The force of 7th coin by 8th coin. (3)- The reaction...
Tuesday, October 14, 2014 at 6:48am

physics
Ten ,one rupees coin are put on the top of at each other on a table each coin has a mass 'm' give the magnitudes and direction of - 1. The force of seventh coin (counted from bottom) due to all the coins. 2. The reaction of 6th coin on the 7th coin. 3. The force at 7th...
Tuesday, October 14, 2014 at 4:26am

idk
what grade level is physics??
Thursday, October 9, 2014 at 1:44pm

Math
1. Find the value of k so that 2, k^2, 8 form a geometric sequence. 2. Water is leaking from a water tower. On the first day, two gallons were lost. The leak is getting progressively worse and the amount of water lost triples each day. How many gallons would be lost on the 8th...
Tuesday, October 7, 2014 at 9:33pm

Grade
What is my grade if I have two 100's and two 70's
Tuesday, September 9, 2014 at 8:34pm

8th
yael worked out at a gym for 2 hrs. her workout consisted of stretching for 21 minutes jogging for 45 minutes and lifting weights for the remaining amount of time. what percentage of yaels workout was spent lifting weights?
Tuesday, September 9, 2014 at 8:23pm

8th math
wayne wanted to buy a new bicycle that cost $125. the sales tax on bicycle was $11.25. what was the rate of the sales tax?
Tuesday, September 9, 2014 at 5:18pm

5th grade math
What is the value of n 9*27+2*31-28=n
Monday, August 25, 2014 at 6:54pm

maths 8th standard
Caco3/ಶಾಖ cao+co2↑ ಈ ಸಮೀಕರŃ​5;ದ ಸಹಾಯದņ​3;ಂದ 25'g' ಕ್ಯಾಲņ​3;ಸಿಮ
Monday, August 25, 2014 at 10:11am

Pure Maths
A container is in the shape of a right circular cone (inverted) with both height and diameter 2 meters. It is being filled with water at a rate of (pi)m^3 per minute. Fine the rate of change of height h of water when the container is 1/8th full(by volume). (Volume of a right ...
Saturday, August 16, 2014 at 4:11am

grade 7 maths
Missing input W+9=14
Monday, August 4, 2014 at 12:53pm

Essay Topic (Synthesis)
Is the topic of Immigration Reform in the United States to controversial for my synthesis essay? I am writing a synthesis essay for my class, and it is a big portion of my grade. I have a lot of information about Immigration, but I'm afraid the topic will be too ...
Sunday, August 3, 2014 at 12:37am

programming
Professor Merlin has asked you to help him. He has 5 students who have taken four tests. He wants a program where he can enter the students name and their four test scores. After entering all 5 students then he wants a grade report printed showing the student name and their ...
Thursday, July 24, 2014 at 12:16am

statistics
If you are told the mean grade in ECON 2023 is 80 with a standard deviation of 5, what is the probability that if you randomly selected 36 students you would find an average grade of 82 or more? I found the Z-score: 82-80/5 Which gave me .6554 then 1-.6554=.3446 So 34% would ...
Sunday, July 6, 2014 at 1:32pm

4th grade math
For a survey, 20 students in one class were asked to name their favorite sport. the tally chart shows the result. Basket ball - 6 soccer-7 hockey - 5 volleyball - 2 suppose all 100 students in the grade were asked to name their favorite sport. how many students would you ...
Thursday, June 5, 2014 at 7:37pm

chemistry
A sample contains Hydrogen atom ,He+ ion, Li2+, & Be3+ ion. In H atom electron is present in 8th orbit, in He2+ e- is present in 6th orbit, Li2+ in 5th orbit& in Be3+ electron is present in 4th orbit. All the atoms are de-excited to the ground state. Calculate the total no. of...
Wednesday, June 4, 2014 at 4:36am

math
Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 students own 3 pets each, and 2 students own 4 pets each. Eight of the students in the grade own 1 pet. Considering the number of pets as the random ...
Monday, May 19, 2014 at 10:21am

math
Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 84, 72, and 96. To get an B in the course, you must have an average of at ...
Friday, May 9, 2014 at 9:07am

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
Sunday, May 4, 2014 at 2:18pm

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
Sunday, May 4, 2014 at 10:52am

4 the grade math
What's 3/4 of blank=75
Tuesday, April 29, 2014 at 11:35pm

HELP! 5th grade math
Trying to help my child in 5th grade. Shannon pours 4 different liquid ingredients into a bowl The sum of the liquid ingredients is 8.53 liters. Two of her measurements are in milliliters and two of her measurements are in liters. Give an example of possible measurements for ...
Sunday, April 13, 2014 at 10:43pm

9th grade math
x^2+8x+16=25
Tuesday, April 8, 2014 at 10:56pm

9th grade math
4m^2-24m+36=0
Tuesday, April 8, 2014 at 10:51pm

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