Tuesday
March 3, 2015

Homework Help: 8th Grade

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grade 8 math
At the annual Grade 8 ski trip, for every 2 students who skied, 3 snowboarded. Ninety-six students snowboarded. How many students skied? Show your work. Can someone help???
Sunday, September 28, 2008 at 7:49pm

Grade 3 (transporatation)
I am doing a unit on public transportation in New York city for my 3rd grade class and I am having a little trouble finding interesting and fun websites that my students could use to get information on past and present types of public transportation. Do you know any website/s ...
Saturday, September 27, 2008 at 8:33pm

9th grade
how does ozone form?
Monday, September 22, 2008 at 6:24pm

middle school math
A brick is dropped from the Empire State Building at a height of 324 meters. If you neglect any type of air resistance, what is the distance in meters that the ball falls during the interval between the 8th and 9th second? Gravity falling on an object causes it to decend a ...
Sunday, September 21, 2008 at 4:48pm

Algebra
A brick is dropped from the Empire State Building at a height of 324 meters. If you neglect any type of air resistance, what is the distance in meters that the ball falls during the interval between the 8th and 9th second?
Sunday, September 21, 2008 at 4:08pm

10th grade
15mm to dam
Wednesday, September 17, 2008 at 1:08am

7th grade
what is another word for understand
Tuesday, September 16, 2008 at 5:33pm

6th grade math
What is 2 x (4 to the power of 2) - 12 + 5 ?
Tuesday, September 16, 2008 at 2:15am

9th grade
how earth rotates?
Sunday, September 14, 2008 at 11:35am

5th grade
how do you do a paragraph paw
Thursday, September 11, 2008 at 11:01pm

math
polk elementry school has three classes for each grade level, kindergarten through fifth grade. If there is an average of 27 students how many students attend polk elementry school?
Wednesday, September 10, 2008 at 5:33pm

2nd grade
what is the synonym for brown?
Tuesday, September 9, 2008 at 6:13pm

trig
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
Monday, September 8, 2008 at 9:13pm

trig.
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
Monday, September 8, 2008 at 8:24pm

6th grade
What was a mansion like in the 80's
Monday, September 8, 2008 at 7:43pm

6th grade math
A+B = A-B what are A and b
Sunday, September 7, 2008 at 10:20pm

5th grade
how many thousandths are in a hundredth?
Sunday, September 7, 2008 at 8:58pm

Mathematics : Arithmetic Sequence
The 5th term and the 8th term of an arithmetic sequence are 18 and 27 respctively. a)Find the 1st term and the common difference of the arithmetic sequence. b)Find the general term of the arithmetic sequence.
Sunday, September 7, 2008 at 6:10am

10th grade math
3(x-2)= 4-(x-2)
Saturday, September 6, 2008 at 11:58am

11th grade
what exactly is chemistry?
Thursday, September 4, 2008 at 5:33pm

9th grade
what is social health?
Thursday, September 4, 2008 at 3:25pm

9th grade
whatis 1=1
Tuesday, September 2, 2008 at 3:10pm

4th grade
what is 7 d in w
Friday, August 29, 2008 at 10:42am

math grade 12
solve for n if P(n,3)=2c(n,2), n{N
Thursday, August 28, 2008 at 8:03pm

5th grade
i need help with factors
Tuesday, August 26, 2008 at 8:25pm

sites for algebra
I am tutoring an 8th grader in algebra. Does anyone know of a website that I can use to give him problems to solve and I can go back and monitor his progress via the web. Or, any suggestions on tutoring. The child seems to know the work, just not doing enough to remember the ...
Tuesday, August 26, 2008 at 11:51am

10th math
The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of AP
Wednesday, July 30, 2008 at 9:30pm

mgt
Post your 200-300-word response to this question: How did that experience with your fellow classmates illustrate one of the concepts (group norms, group cohesiveness, group pressure, group conformity, groupthink, group influence, group leadership, group self-direction, group ...
Friday, July 4, 2008 at 7:29pm

Help Help
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 4:54pm

programming
Can You Please help me understand how to do this and what i have to do to solve the problem.... Please!! 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...
Wednesday, June 11, 2008 at 4:53pm

Psychology
This is for my psychology class. We're doing an experiment/project thing. I decided to, like many others in the class, work on my personal life. What would you say are a guys intentions if you went to school with him from kindergarten to 8th grade and then go to separate ...
Saturday, May 17, 2008 at 2:47pm

English Expression
What date is Parents' Day? It is May 8th. What day is Parents' Day? It is Monday. Are each answer and question grammatical?
Wednesday, May 14, 2008 at 5:12pm

grade 5 math
the grade 5 class decided to collect cans of food to donate to the food bank .After the 1st week ,they had collected 8 cans . The next week they collected 11 more . By the 3 rd week they had 31 cans Following this pattern how long will it take for them to reach there goal of ...
Sunday, May 4, 2008 at 9:47pm

6th Grade Math
I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5 pens, how many ...
Monday, April 21, 2008 at 7:19pm

books
I have read many, many books and was wondering does anybody have a suggestion of a book I may be interested in? I am an 8th grader with a college level lexile and prefer fictionish books.
Monday, April 7, 2008 at 2:56am

report for 8th grade science please check
Please check this and let me know what you think thanks. Situation: A 52 year old man suffers a pulmonary embolism that originated as a blood clot in his right leg.. Describe this condition and how it develops. Specifically, trace the pathway of the blood clot from his leg to ...
Sunday, April 6, 2008 at 3:41pm

Science 8th grade/report please check
Please check this for me and let me know what you think. I need to write at least one paragraph on this... A 52 year old man suffers a pulmonary embolism that orignated as a blood clot in his right leg. Describe this condition and how it develops. Trace the pathway of th blood...
Saturday, April 5, 2008 at 6:57pm

Calculus III
I'm supposed to find the expression 'y', when (x^2+100)y'=23 When y(10sqrt(3))=0 Also, I have to find the indefite integral of xsqrt(19x-7), using integration tables in teh back of the book "Calculus of a Single Variable, 8th Edition." Tables are in ...
Sunday, March 16, 2008 at 7:47am

Math
To confuseing I need help. In honor of school spirit week, the student council decided to decorate lockers in the main lobby. The 9th graders officers stuck a decal of Smiley, the school mascot, on every third locker, starting with the third. The 10th graders officers taped a...
Monday, March 3, 2008 at 6:46pm

proofread
Hi, can someone proofread this for me. I'll appreciate it. Thanks in advance. The practicum site I selected is an elementary school. I will be assisting a first grade teacher during the semester. I will be helping her with her students and with other teacher ...
Sunday, February 3, 2008 at 11:34pm

Algebra Sq Rt
I have a sq rt sign with a 3 on the left side. That means I'm looking for the cube of the number inside the square root? That number is 189xto the 8th power. So I multiply 189x 8 times before I find the cube or do I find the cube of 189?
Saturday, February 2, 2008 at 10:55am

Math
Can i please get your help on fractions and i am in the 7 th grade
Wednesday, January 30, 2008 at 5:49pm

7th grade geometry
pr/ac = ?/cb pr=6,ac=?, cb=15
Monday, January 28, 2008 at 6:52pm

Grade 10 MATH
17^115
Wednesday, December 5, 2007 at 7:56pm

math
An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average ...
Sunday, September 30, 2007 at 8:08pm

Math
I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
Thursday, September 13, 2007 at 9:54am

English?
I'm trying to do research on whether 9th graders should/should not be in Middle school with 7-8th graders. Does anyone know of any studies that would support either side? Or any leads I could perhaps follow to write the paper easier?
Sunday, September 9, 2007 at 9:38pm

Social Studies
How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
Thursday, August 16, 2007 at 7:01pm

physics-please check
is this right?: when a form of energy changes from one form to another some energy may transfrm into a useful form, those useful form of energy is high grade energy.while the rest of the energy will always change to form we cannot use.which is called the low grade energy. if i...
Monday, May 14, 2007 at 4:46am

algebra
Sam 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 sam must get on the last test to get a C grade http://www.jiskha.com/display.cgi?id=116​...
Tuesday, April 24, 2007 at 11:47pm

1st grade math please help!!!
8...
Tuesday, April 24, 2007 at 10:29pm

trig
it says solve for all real solutions, compute inverse functions to 4 sigfigs. cos^2x=3-5cosx Devon, what grade level are these questions from? I am having the same problems as with your 9:14 post. Please see my partial solution in the post to bobpursely at 10:54 Devon, I have ...
Monday, April 16, 2007 at 9:57pm

Math
Are you trying to solve for x, n or p? solve for n Show me how to work this problem. 2n = 4xp - 6 what is the problem? what grade r u in iam in 6 grade To get n all by itself, you need to divide by 2. But if you divide by 2 on the left, you have to divide by 2 on the right...
Wednesday, March 14, 2007 at 8:22pm

math
Derivatives are usually not taught in 5th grade. That is what your question is about: Rates of change. Complete the following statements with the correct words Note: Correct spelling is important. If s(t) is a distance (or height or position) function, then s'(t) would be ...
Monday, February 19, 2007 at 10:00pm

math
how do you do fractionation? huh??/ What grade are u in?
Wednesday, February 7, 2007 at 7:19pm

Math Help Please (I Am New In This Website)
How do you multiply 367 by 72? the answer depends on your grade. Tell us what Grade in School you are in. Multiply 367 by 2; write down the answer. Multiply 367 by 70; add it to the answer above. Let us know what your answer is and someone here will give you feedback.
Saturday, January 27, 2007 at 7:55pm

math,correction
can someone correct this for me please. Statistics. Sam 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 Sam must get on the last test to get a C ...
Tuesday, January 9, 2007 at 7:38pm

math correction
can someone correct this for me.or teach me if i'm wrong Statistics. Sam 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 Sam must get on the last...
Monday, January 8, 2007 at 1:45pm

Algebra1234567890!
(-mn8)3 would it be: -m^3n^3164 (-mn8)3 = -24mn Without carrots I have no idea where your exponents are. how?I don't get this one? Is this Sandro from Mrs.Pfeiffer's class?What grade are you in? Leo is saying you need to use carets to show an exponent. As you have ...
Wednesday, November 8, 2006 at 5:44pm

Noiuns
Our son's 3rd grade teacher gave out a homework assignment which had the students make a sentence for each of their spelling words and then circle the "noun" in the sentence. We received his homework back from the teacher with the words, "I, you, He", ...
Wednesday, October 25, 2006 at 7:25pm

physics
I'm supposed to design a device that will protect a raw egg, GRADE A, (not that its really important to know what kind of egg it is... LOL) But, it will drop from a 12 FOOT height to a concrete floor. The only materials that I'm allowed is about 9 sheets of "8.5 X...
Friday, October 13, 2006 at 11:20am

8th grade math
dividing fractions....how do i solve this... 4/9 divided by 2/3= or 9/10 divided by 9/10= One thing I do remember is how to divide fractions! 4/9 divided by 2/3 = 4/9 multiplied by 3/2 Then once you've multiplied across, reduce the resulting fraction if you can. So how ...
Wednesday, September 20, 2006 at 8:11pm

Language Arts
I left my McMillian text book for language arts in school today and I have homework on page 2 and 3. I'm in the 6th grade does anyone have that book. I really really need those questions. I don't know if this gives page numbers that correspond with your text or even if...
Monday, September 11, 2006 at 5:04pm

math question
hi, i have a math question that i need help with: when data are non-numerical but can be ordered, such as letter grades, the mean cannot be calculated directly; but both the median and mode can be found. Last year in Ms. Flag's history course, the final grades were 8A'...
Tuesday, August 29, 2006 at 3:17pm

Emerson
I'm helping my son he is in 4th grade . His hw it's hard and this is the problem : find two mixed numbers. So that the sum is 7 2/8 and the difference 2 4/8.
Tuesday, March 3, 2015 at 9:33pm

7th Grade Math.
I have been trying to work this out but just cant. Find the function rule. X -2 -1 0 1 2 Y 9 4 -1 -6 -11 Thanks, ~JH
Tuesday, March 3, 2015 at 4:11pm

6TH GRADE MATH
The value of the dependent variable in a function is always __________ the value of the independent variable. 1.GREATER THAN 2.DEPENDENT ON 3.LESS THAN 4.EQUAL TO
Tuesday, March 3, 2015 at 10:32am

Statistics
1200 high school freshman were randomly selected for a national survey. Among survey participants, the mean grade-point average was 2.8, and standard deviation was 0.6. What is the margin of error, assuming a 95% confidence level?
Friday, February 27, 2015 at 1:18pm

7th grade math
Can you help with geometry? 1. Sally constructs a triangle with one side 6 inches long and another side 8 inches long. What is the 3rd side? (haven't learned Pythagorean theorem) Ans: 6 + x > 8 x > 2 6 + 8 > x 14 > x 8 + x > 6 x > -2 so, x must be > 2...
Friday, February 27, 2015 at 7:31am

3rd grade math
A parking lot near the sports field holds a total of 52 vehicles. There are 42 cars parked there now. Half of these cars are red, 10 are blue, and the rest are silver. What fraction of the cars are silver?
Friday, February 27, 2015 at 12:07am

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?
Thursday, February 26, 2015 at 11:31pm

6th grade geometry
If the area of a triangle is64 is the base 16 and the height 32?
Wednesday, February 25, 2015 at 11:18pm

My Grades
My math grade is an B+ should I do a retake for extra credit? This will consist of extra credit opportunity's in portfolios and test. Thank you very much! -Emolga
Wednesday, February 25, 2015 at 10:36am

5th grade math
Marcus is building a rectangular box for his kitten to sleep in. He wants the area of the bottom of the box to be 360 square inches and the length of one side to be 1 3/5 the length of the other side. What should the dimensions of the bottom of the bed be?
Monday, February 23, 2015 at 9:49pm

STAT
A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the questions correct
Friday, February 20, 2015 at 11:48pm

life orientation(grade 12)
hey um given the same assignment can some one answer me for nunber 1.7plz
Thursday, February 19, 2015 at 11:03am

Math
Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01
Thursday, February 19, 2015 at 9:25am

Math Ms Sue
Which expression would you use to find the area of a rectangle with a width of 4 inches and a length of 6 inches? 4+6 4x6 8x12 8+12 Ms Sue this is Karen you helped in College English so well I am trying to help my 3rd grade granddaughter with no math book just problems
Wednesday, February 18, 2015 at 4:21pm

3rd grade math
The lengths of the sides of a garden are 24 ft, 14 ft, and 35 ft. What is the gardens perimeter?
Wednesday, February 18, 2015 at 4:02pm

3rd grade math
mrs. lens wants to put a ribbon around the edge of a pillow. which tool and unit should she use to measure the perimeter of the pillow? measuring tape or ruler or yard stick?
Tuesday, February 17, 2015 at 9:34pm

math
I'm just having trouble trying to see the independent and dependant variables. I have to determine whether the following are functions: The relation between distance and time if someone walks 5km/h. I think distance would be the independent variable because you can go ...
Monday, February 16, 2015 at 4:53pm

Anthropology
What age grade (age set) do you find in the United States? Are there more than one?
Thursday, February 12, 2015 at 9:27pm

6th grade math
When solving an inequality, why is it necessary to perform the same operation on each side of the inequality sign?
Wednesday, February 11, 2015 at 5:49pm

math(5th grade)
sally singleton's batting average is 0.375 and she has been at bat 120 times. How many times has sally hit the ball? pls help
Wednesday, February 11, 2015 at 1:45am

math
I'm in grade 5 and I need help on an area and perimeter question. The area of a rectangle is 300mm and the length of it is 15 mm. I need to find out the width of this rectangle.
Tuesday, February 10, 2015 at 7:19pm

math
I'm in grade 5 and I have a area and perimeter question. The area is 300mm2 and the width is 15mm, I need to know what the length is. Thanks for your time.:-)
Tuesday, February 10, 2015 at 7:05pm

math
the grade of 8 students on a 10-point test were 1,3,5,5,7,8,9,10 comute the mean of these scores
Monday, February 9, 2015 at 9:32pm

Grade 9 French
I need help I'm trying to find a rap to help me with the present and irregular verbs
Monday, February 9, 2015 at 8:56pm

Math
Helping 3rd grade granddaughter and I am lost What property does this show? ****=* * * * This is all that is shown
Monday, February 9, 2015 at 4:20pm

Math
I am lost helping my 3rd grade granddaughter... This is what this problem shows and nothing else What property does this show? ****=* * * *
Monday, February 9, 2015 at 4:03pm

3 rd grade Math
how are perimeter and area? When building your club house did you have a more difficult time finding the perimeter or area? why?
Monday, February 9, 2015 at 3:37pm

6th grade math
To qualify for a store discount, Clay's soccer team must spend at least $560 for new jerseys. The team needs 20 jerseys. Write and solve an inequality to represent how much the team should spend on each jersey to qualify for the discount.
Sunday, February 8, 2015 at 2:32pm

4th grade math fraction
How do I show the work to find the fraction with the greatest value? 7/10, 1/5, 9/10 5/6, 7/12, 7/10
Sunday, February 8, 2015 at 1:59pm

9th Grade Algebra
If a is not equal to 0, and a =2b=3c, what is the value of a+b in terms of c? Would I make up numbers for the variables?
Saturday, February 7, 2015 at 6:40pm

math
A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60 70 0 75 80 80 80 ...
Friday, February 6, 2015 at 4:09pm

Grade 8
The numbers 1 through 9 are put into a hat. What is the probability that all odd numbers will be chosen first if one number at a time is drawn from the hat and not replaced?
Friday, February 6, 2015 at 9:45am

6TH GRADE MATH
No more than 7 copies of a newspaper are left in the newspaper rack. Which inequality represents this situation? A. N<7 B. N>7 My answer is N<7. Do I have answer correct?
Thursday, February 5, 2015 at 11:27pm

math 4th grade
Lance wants to find the total length of 3 boards. He uses the expression 3 1/2 + (2+ 4 1/2). How can Lance rewrite the expression using both the Associative and Commutative Properties of Addition?
Wednesday, February 4, 2015 at 8:57pm

7th grade math
The sum of an integer and the next greater integer is at the most 13. Write an inequality to find the lesser integer and solve for the lesser integer. My answer n+n+1 <_ 13 n<_6
Wednesday, February 4, 2015 at 7:39pm

Math 3rd grade
I have 14 hundreds, 16 tens and 9 ones. What number am I?
Wednesday, February 4, 2015 at 6:38pm

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