January 18, 2017

Homework Help: 8th Grade

8th Grade Algebra
10) a. A recipe for pizza dough says to use a 10 in. by 14 in. rectangular pan. Jake only has a circular pan with a 12 in. diameter. If Jake makes the pizza in his circular pan, will the crust be thicker or thinner? Explain. b. Suppose Jake wants to make a round pizza that is ...
Wednesday, March 25, 2009 by Joy

8th grade history project
I am doing a history project on marketing inventions from the 1800s. I have to create a poster that includes a catchy slogan for a factory system. (remember that it is from the 1800s.) If you could help give me some ideas that would be great!!! thank you so much! If possible, ...
Tuesday, March 17, 2009 by Coco

Science (atoms) 8th grade
Speeds up or slows down? By stirring a gas in a liquid, its solubility ____________ the dissolving process. High or low? A gas's solubility is is faster in a liqud when under __________. How do the methods of speeding the rate of solution for dissolving a solid in a liquid...
Tuesday, March 10, 2009 by Twilight lover

8th Grade Algebra
These are extra credit questions, and I just want to know how to solve them. 1) The sum of two-digits of a two digit number is 14. If the number represented by reversing the digits is subtracted from the original number, the result is 18. What us the orinal number? 2) If 27 is...
Wednesday, March 4, 2009 by Jenny

8th Grade Algebra
I need help with these problems: 1) A vending machine takes only nickels and dimes. There are 5 times as many dimes as nickels in the machine. The face value of the coins is $4.40. How many of each coin are in the machine? 2) A vending machine takes only nickels and dimes. At ...
Tuesday, March 3, 2009 by Erika

8th Grade Algebra
1) An exam will have 20 questions worth a total of 100 points. There will be True-False questions worth 3 points each and short essay questions worth 11 points each. Several students ask how many essay questions there will be, but the teacher won't tell. How many essay ...
Wednesday, February 25, 2009 by Jaida

8th Grade Algebra- Answer Check
Solve each system of equations, give the solution and state whether there are no solutions or many solutions. 1 )3x + 8y = 1 7x + 4y = 17 Answer: (3,1) 2) -3x + 5y = -7 9x + 2y = 38 Answer: (4,1) 3) 7r + 3s = 13 14r - 15s = -16 Answer: (1,2) 4) 2x - 7y = 42 4x - 14y = 64 ...
Wednesday, February 25, 2009 by Lily

8th math(Algebra)
what is 8a+b=1 8a-3b=3
Wednesday, February 18, 2009 by Jamiee

8th Grade Space and Earth Science
I have two questions about my study guide for my science test tomorrow. Thank you for any answers that I can get! How does the atmosphere give evidence for divine design? How can a satellite telephone user communicate if radio waves reflect off the ionosphere? Perspiration ...
Tuesday, February 3, 2009 by Nicole C.

8th grade algebra
You see a firefighter aim a fire hose from 4 feet above the ground at a window that is 26 feet above the ground. The equation h=-0.01d^2+1.06d+4 models the path of the water when h equals height in feet. Estimate, to the nearest whole number, the possible horizontal distances...
Sunday, February 1, 2009 by Cassie

8th grade
People can be left-handed, right-handed or ambidextrous. The number of boys in Canadian secondary schools who are left handed is about 1/7 the number of boys who are right-handed. About 11% of boys are left-handed. Write and solve an equation to determine what percent of boys ...
Monday, January 26, 2009 by Tyler

8th grade Math
Megan has at most $1500 to invest. She plans to invest some of the money in a long-term CD at 6% and some of it in a short-term CD at 3%. She wants to earn at least $75 in interest per year. Write a system of inequlites to represent the situation, and use it to find all of the...
Sunday, January 25, 2009 by Carleigh

8th Grade Algebra: Answer Check
Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 Answer: 2{3 5. 2{75 Answer: 10{3 6. -3{72 ...
Tuesday, January 20, 2009 by Joy

8th Grade Algebra-Radicals:Answer Check
4. 3ã11 + 4ã11 Answer: 8ã11 7. 7ã2 - 2ã8 Answer: 1ã2 ?? 8. ã48 + Ã&...
Tuesday, January 13, 2009 by Joy

8th grade
2 cylinders are proportional the smaller cylinder has a radius of 4 centimeters, which is half as large as the radius of the larger cylinder. the volume of smaller cylinder =250 cubic cemtimeters. what is the volume of the larger cylinder?
Sunday, December 14, 2008 by brianna

3rd grade
There are 33 students in the band. There are 6 more fifth-grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?
Wednesday, October 8, 2008 by Kristina

I need you to grade my paper for me . I don't have a car and I don't know the area well enough to ask anyone to grade it for me I just want you to grade it for me. and leave the red marks on it for me so I can correct it my self and send it back to me through email. If...
Friday, October 3, 2008 by Bernadette

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 by Lexi

-2(18+19)8th x 19 +18 divided by 9 seventh power x 6
Monday, September 15, 2008 by Mack

8th grade
Thursday, September 11, 2008 by UNKNOWN

8th grade
Jamie was throwing darts at targets. When his dart landed in the center of the target(the bull eye)and he earned 7 points. However, when his dart landed on the outside ring he earned 2 points. After 50 throws his friend reported his score to be 160 points. Jamie wanted to know...
Thursday, August 28, 2008 by Felicia

8th Grade Algebra
To find the image length, of a 4-foot-tall object in a spherical mirror with a focal length of 2 feet, L=4(2/o-2)^2 can be used, where 2 is the distance, in feet, of the object from the mirror. What is the image length of the object when it is 1.5 feet away from the mirror?
Friday, August 22, 2008 by Anonymous

8th Grade Algebra
The distance required for a car to stop is directly proportional to the square of its velocity. If a car can stop in 112.5 meters at 15 kilometers per hour, how many meters are needed to stop at 25 kilometers per hour?
Friday, August 22, 2008 by Anonymous

Business studies
Hi, my question involves listing assets and liabilities for week ending 14th of January for a plumbing company. The plumber has bought some tools on the 8th but is not paying for them until the 23rd. Would I need to list the tools as a fixed asset (as they benifit the company)...
Wednesday, June 25, 2008 by Sam

A school has 6th, 7th and 8th period Social Studies classes. One student from each class will be chosen to represent the school in an essay contest. The 6th period finalists are Mike, Sara, Luis and Ed. The 7th period finalists are Ben, Eric, and Sandy. The 8th period ...
Saturday, April 26, 2008 by kevin

English Expression
What grade/year are you in? I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade. I'm a 7th grader. ----------------------- Are the answers all acceptable? Which one is commonly used? Can we use both 'grade'...
Friday, April 18, 2008 by John

1) In the arithmetic progression, the 8th term is twice the 4th term and the 20th term is 40. Find the common difference and the sum of the terms from the 8th to the 20th term inclusive. 2) Find the least number of terms of the AP, 1+3+5...that are required to make a sum ...
Thursday, April 17, 2008 by Anonymous

Science 8th grade please check (revised answer
Mr. Jones went to his doctor because for the past few days he has been having frequent burning uriation. The doctor preformed a urialysis. This was done by have the patient void into a collection container. The urine was cloudy and yellow in color. There was an unusual ammonia...
Tuesday, April 1, 2008 by Anonymous

working with data
josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is the minimum score ...
Sunday, February 24, 2008 by mike

8th grade math
Your uncle is three years older than your aunt. The product of their ages is 3190. What are their ages? I know the answer is 55 and 58. But I can't come up with the correct formula or equation to get the answer. I've tried 3(A+3)=3190. It doesn't come up with the ...
Thursday, February 7, 2008 by KL

when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)
Sunday, January 13, 2008 by spelling-grammer

math - 8th grade
use the numbers one to nine, each one only once. now multiply a two digit number by a three digit number and get a four digit answer using each of the digits, 1-9 each only once. 12 x 345 = 6789 of course that isn't a true statement though.
Wednesday, January 9, 2008 by taylor2008

A = {a1, a1 + d1, a1 + 2d1, …}, B = {a2, a2 + d2, a2 +2d2, …}. Investigate whether A + B and A x B are arithmetic or geometric sequences. If an arithmetic sequence is identified, state its common difference. If a geometric sequence is ...
Sunday, September 30, 2007 by Nelson

Is concrete a heterongeneous or homogeneous mixture? Your exact answer here:​ciber00/8th/matter/sciber/matter.htm
Sunday, June 10, 2007 by Astrid

8th grade technology
what are good sites to study for technology final exams? This site may help you.​ol/staff/whip/8thgradeproftests.htm However, your best preparation is go study your text and your notes and any handouts your teacher has given you.
Sunday, June 10, 2007 by cc

physics-energy conservation
some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...
Tuesday, May 8, 2007 by Emma

wat is a corresponding angle.............. in the math 8th grade is really most of the test goin to be angles In triangles, it is the angle between two specified sides. It also refers to tha angles formed when one line cuts through two or more parallel lines, as in www....
Thursday, March 1, 2007 by jose

math / linear programming
Two factories manufacture 3 different grades of paper. The company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It costs $1000 per day to operate the first factory and $2000 per...
Tuesday, January 2, 2007 by Tim

i'm researching stonehenge for my 8th grade gifted class. where can i find a website that will show me how to build a replica of it?​ages/0002-Stonehenge-Restored-plan/
Monday, December 11, 2006 by amy

science (8th grade)
Which of the following is not a characteristic of a crystal? a. The arrangement of the atoms in a crystal determines its shapes. b. A crystalline structure is always geometric. c. Crystals are classified according to their mineral content.
Wednesday, September 13, 2006 by tonya

give the demensions of rectangles with the perimeters of 70 feet and length-to-width ratios of 3 to 4, 4 to 5, and 1 to 1. Ok, the perimeter is 70 and perimeter = 2(length + width) The ratio is length:with=3:4 so length = (3/4)width 70 = 2(length + width) =2((3/4)width + ...
Tuesday, September 12, 2006 by christine

english 8th subject verb agreement
The flock of ducks flapping (its, their) wings gracefully overhead made very little noise. I think it's their Thank you.
Wednesday, January 18, 2017 by mark

subject/verb agreement english 8th
Shortly after taking office, presidents appoint the members of their Cabinets. I think it is correct...but I am not sure.(other than maybe it should just be Cabinet) singular form? thanks
Wednesday, January 18, 2017 by mark

Algebra 8th
For each sequence defined recursively, write the first few terms. Then use the terms to write an explicit equation. a(1)=17 a(n+1)=a(n)-3 And a(1) =20. a(n+1)=1/2*a(n)
Saturday, January 7, 2017 by Summer

computer,science, java
Inorder to motivate the employees, the company has decided to announce the different types of bonus depends up on the employee’s Grade. If the employee belong to Grade A bonus=20% basic Grade B bonus=15% basic Grade C bonus=10% basic Grade D bonus=7% basic ...
Sunday, January 1, 2017 by sa

Write a java program using classes and object to read the em[loyee code (Integer), Imployee name (string), Basic salary )double), Category (Character)then calculate the bonus(double)and the total salary(double)eligible for each employ. The output should have the employee code...
Sunday, January 1, 2017 by Hala

Pre Algebra Review
Thirty-five students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students?
Monday, December 5, 2016 by Bryan

In math class, a student has an average grade of 85% for five tests so far. What grade must that student earn on the next test to reach an average grade of 90% for all six tests?
Thursday, December 1, 2016 by Sophia

The average score on a recent test was 75%. One of the students earned a grade of 93% while another student earned a grade of 78%. A total of 23 students took the test. Find the average grade of the remaining 21 students.
Thursday, December 1, 2016 by Emily

8th Grade Social Studies Unit test
What is all the answers? please help 1. What significant affect did the Treaty of pairs, signed after the french and Indian War, have on France? a.France had to Withdraw to its empire in central and South America. b.France had to allow the British to claim and settle the Ohio ...
Thursday, November 10, 2016 by mo

pre algebra 8th grade
1. Frances earns a salary of $ 3,200 per month plus a commission of 2% of his sales. He wants to earn at least $4,000 this month. Write an inequality to find the dollar amount of the sales that will meet his goal. Identify what your variable represents. d= dollars answer:??? ...
Tuesday, November 1, 2016 by check my work PLEASE/THANK YOU

Personal question
How would you deal with someone that has been bullying you since fourth grade? I have talked to adults talked to councelors and I have talked to his mother who happened to be my fifth grade teacher yet he is still at it. I don't want to seem like a baby and file a no ...
Wednesday, October 26, 2016 by Madeline

Business Mathematics
Find the sum of first thirteen terms of a linear sequence whose 8th term is 18 and 11th term is 24.
Saturday, October 22, 2016 by Boadi Yiadom Ellen

8th pre algebra
solve for x 2x-7=13 subtract 7 to both sides divide by 2 both sides i right?
Monday, October 17, 2016 by henry

Geometric progression
If 5th and 8th terms of a G.P. be 48 and 384 respectively. find the G.P.
Thursday, October 13, 2016 by Rahul

If 5th and 8th terms of a g.p. Be 48 and 348 respectively.find the g.p.
Monday, October 10, 2016 by Vijay hembram

So I have an 89% in my science class and we took a test worth 15 points. I only got 8 correct which is an F. I have 2 A's, a B, and a D as the other grades in the grade book. How will this F affect my grade? I need it to stay a B
Tuesday, September 27, 2016 by Laila

A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how to work out this math problem. By the way i'm in 6th grade but technically doing advanced math so i'm doing 7th grade math. I don't know how to do this
Wednesday, September 21, 2016 by niki

In​ Marissa's calculus​ course, attendance counts for 10​% of the​ grade, quizzes count for 20​% of the​ grade, exams count for 55​% of the​ grade, and the final exam counts for 15% of the grade. Marissa had a 100% average ...
Monday, September 12, 2016 by Anonymous

If the 8th term of an AP is 36 and the 16th term is 68. Find: a) the first term b) the common difference c) The 20th term
Sunday, September 11, 2016 by Bex John

A nut wholesaler sell two types of mixes of cashews and peanuts. He makes low-grade mix containing 8 pound of peanuts and 4 pound of cashews and high-grade mixer containing 6 pound of peanuts and 6 pound of cashews. Let x and y denote the numbers of low-grade and high-grade ...
Wednesday, September 7, 2016 by Amartya

When you have a 76% in math and you need to get your grade up to a b and daily assignments are 10% and quizzes are 80%. How will I get my grade up to a b in 5 weeks
Friday, August 26, 2016 by Lola

I am going to take the Regents Algebra 1(Common Core)and I'd like to know whether a certain procedure of mine could lower my grade. When solving linear equations I do this: x+2=20 I just pass the 2 negative to the other side without subtracting it from the left . Can this ...
Friday, July 22, 2016 by Liah

A spinner is divided into 8 equal parts. They are numbered 1-7 and the 8th has a star. What is the probability of it landing on the star?
Monday, July 18, 2016 by Mimi

Are trigonometric functions taught in 11th grade, if so ,is it wrong that i wasn't tought that topic in 11th grade????plz help!!!!
Tuesday, July 12, 2016 by Lauren

Physical Science 8th Grade
1. What is the resulting direction of a surface wave? Is it perpendicular, parallel, opposite, or circular? 2. What happens when a mechanical wave travels through a medium? What is transferred - mass, particles, energy, or waves? 3. Which of these waves cannot travel in a ...
Sunday, June 19, 2016 by Abby427

This is KINDA a homework question, but would it be a good idea to review the topics learnt in seventh grade for maths before going into eighth grade? Thanks :)
Sunday, June 19, 2016 by Stoof

A student taking economics, statistics, and finance has decided to spend 9 hours per week studying. The objective is to maximize the average grade, which means maximizing the total grade in the three courses. 1. How should the student allocate her time
Wednesday, June 8, 2016 by tonya

Math ---HELP!!!!!
30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose that you select a sample of 100 ...
Tuesday, May 31, 2016 by angela

Math ---HELP!!!!!
30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose that you select a sample of 100 ...
Tuesday, May 31, 2016 by angela

java programming
Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Write the following methods in the program: • calcAverage—This method ...
Sunday, May 15, 2016 by ignatius

8th grade math - system of equations
I'm not sure how to solve these. Solve using any method (substitution or elimination) 23. The sum of two numbers is 27. The larger number is three more than the smaller number. What are the two numbers? Ans: l = large; s = small l + s =27 and l = 3S 3s + s =27 4s =27 4s/4...
Wednesday, April 27, 2016 by Alexis

Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A’s to the top 10% of students, B’s to the next 25%, and C’s to the next 42%. a.) what is ...
Monday, April 25, 2016 by vanessa

I have a 92 average right now. I got a 93 on a major grade test, but my teacher has not posted the grade in Skyward yet. Will my average get lower or higher?
Saturday, April 23, 2016 by Rhea

maths help plz
A certain number of children are arranged in a circular form,if they are evenly spaced,the 7th child is directly opposite to the 8th child.... how many children are their altogether? thanks
Sunday, April 17, 2016 by david

dramatic art .tourism. history and math lit
I'm doing grade 11 next year grade 12 I don't know which job can do with this subject pls help me to found more information about it plss
Sunday, April 17, 2016 by annita

What should I take next year? I am in the 5th grade. I want to know what classes i should take for 6th grade.
Wednesday, March 16, 2016 by Lokelani Kekumu

Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of&...
Monday, March 14, 2016 by Hi

(x - 2)10; 8th term (2x + y)8; middle term
Sunday, March 13, 2016 by mico

Below is a function the represents the sales for tickets to battle of the Bands Phoenix Music Festival. Student council needs students to buy ticket early in order to book a venue. In order to do this they made a piece scale as follows, where x is the days since February 10th...
Wednesday, March 9, 2016 by Dai help help!

Below is a function the represents the sales for tickets to battle of the Bands Phoenix Music Festival. Student council needs students to buy ticket early in order to book a venue. In order to do this they made a piece scale as follows, where x is the days since February 10th...
Wednesday, March 9, 2016 by dai (Help Help!)

Below is a function the represents the sales for tickets to battle of the Bands Phoenix Music Festival. Student council needs students to buy ticket early in order to book a venue. In order to do this they made a piece scale as follows, where x is the days since February 10th...
Wednesday, March 9, 2016 by dai

geometric progression
The 7th term of a g.p is 8th times of the 4th term .find the series if its 5th team is 48
Monday, March 7, 2016 by sanjeet Mishra

8th grade math
I need to create a scatter plot using data for Old Faithful that includes waiting time between eruptions and the duration of the eruption. It's a data frame with 10 observations on 2 variables. eruptions numeric: eruption time in mins waiting numeric: waiting time to next ...
Wednesday, March 2, 2016 by Alexis

Find the 8th term of an exponential sequence whose first term is 3 and whose common ratio is 2
Tuesday, March 1, 2016 by Isabella

The ratio of 7th and 8th graders in a soccer league is 16:24. If there are 200 students in all, how many are 7th graders?
Monday, February 29, 2016 by Miles

If I have an 89 and get a 70 on something that is worth 50% of my grade what would my grade become
Monday, February 15, 2016 by Anonymous

2.5 Points 30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose that you select a ...
Wednesday, February 10, 2016 by Amy

input output
I'm in 12th grade. But I find this 6th grade problem a bit CHALLENGING. X: 4 12 Blank Blank Y: 6 18 Blank 60 Someone please solve this. Like.. WHAT. (Solve the blanks)
Tuesday, January 26, 2016 by lucas

The first terme of a linear sequence is 3 and the 8th term is 31.find the common difference
Thursday, January 21, 2016 by linear sequence

8th grade math and algebra class
A bird seed store is running a sale, when as you buy additional bags of seed you get a reduction in price on the additional bags. - first and second bags cost $20/bag - third through fifth bag cost $15/bag - sixth through tenth bags cost $10/bag Graph the total cost as a ...
Monday, January 18, 2016 by Scorer for the Braves

A linear sequence has a 3rd term = 7, and a 6th term = 36. What is the 8th term?
Saturday, January 16, 2016 by Caspar

The first terme of a linear sequence is 3 and the 8th term is 31.find the common difference
Wednesday, January 13, 2016 by linear sequence

period of a 100 MHz FM radio were is roughly 1 X 10 to the negative 8th s. formulate a problem and solution.
Sunday, January 3, 2016 by Ivan

S.M.JR College
A particle undergoes s.h.m having time period T. The time taken by it to complete 3 / 8th, oscillation starting from mean position
Saturday, December 19, 2015 by yogesh sonewane

I can grade 5 papers in 45 minutes how many papers can I grade in 1.5 hours
Monday, December 14, 2015 by C

8th grade algebra
Can you check my answers? 1. 3√20/√4 = 3√(5)(4)/2 = 3(2)√5/2 = 3√5 2. 4√15/√9 = 4√15/3 3. √12/√16 = √4(3)/4 = 2√3/4 = √3/2 4. √10/√5 = √2 5. √15/√20 = √(5)(3)/&#...
Thursday, December 10, 2015 by Alexis

If I have an 82 in a class right now and a test is 50% of my grade but I get a C what would my total grade in the class be
Thursday, December 10, 2015 by Anonymous

"8th december 2015" in 5 letters without using numbers ?
Tuesday, December 8, 2015 by ram

Both forest fire and why leaves change color in the fall present factual information. write an essay of your own about one of these essays. in your essay, tell whether the author provided enough information for you to understand the topic fully. Then discuss how the method of ...
Monday, December 7, 2015 by JMANTOCOOL

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