Thursday
June 30, 2016

Homework Help: 8th Grade

8th grade
On the last school day of the first grading period Michael learns his final grade for each class. If order is not important and we know he has earned at least 1 of each of the 5 letter grades, what is the total number of combinations of 7 final grades (one for each class) that...
Monday, November 15, 2010 by Anonymous

Math
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading ...
Monday, November 15, 2010 by 7890-8

8th grade
According to the U.S. Census Bureau in 2009 there were 21,854,374 veterans in the United States. Veterans of the Korean War accounted for 12.4% of that total, while 10.7% were veterans of World War II. What is the positive difference between the numbers of veterans of the ...
Tuesday, November 9, 2010 by help

Math 8th grade
I NEED THESE IN ALGEBRAIC EXPRESSION!! The larger of two sums is 12 more than the smaller. Their sum is 84.Find the numbers. The sum of two numbers is 45. The first is 9 less than the second.Find the numbers. The second of two numbers is 5 more than twice the first. Their sum ...
Monday, November 8, 2010 by Disha

8th grade
smithers think thet he can give the worker a special jucie to make them work faster. he makes two groups of 50. group A get the jucie gorup B did not get the jucie.group A staples 1587 paper group B staples 2113 papers. What is the control group, independent variable, ...
Saturday, November 6, 2010 by jesse

comparing fractions
at Morris Elementarhy there are 45 students in each grade, four though six. In the fourth grade, 19 participate in sports after school. Two out of every six fifth grade play sports after schoo;. In the sixth-grade class, seven of every ten students are not playing sports. ...
Wednesday, November 3, 2010 by maria

8th Grade Writing
Does this Introduction sound fine for an Argument essay? Forests probide many supplies that are essential in our lives. They give us oxygen, wood fiber for paper, herbs for medicine, and timber for building structures. Forest materials are so necessary that humans can't ...
Friday, October 22, 2010 by Elizabeth

8th grade pre algerbra
problem solving investigation: draw a diagram problem: kelly is using 3-inch square tiles to cover a 4-foot by 2-foot area the tiles are 0.5 inches tall if the tiles were stacked on top of each other to create a tower, how many inches tall would the tower be?
Thursday, October 21, 2010 by mojo

8th grade
In 2009 the American League’s New York Yankees won the World Series. The Yankees have played in a total of 40 World Series. Of those 40 appearances the Yankees have won 27 championships. Based solely on this data, what is the probability that the New York Yankees will ...
Thursday, October 14, 2010 by pow

8th grade
A panel of four light switches can be set in 2^4 ways. A panel of lfive light switches can be set in twice this many ways. In how many ways can five light switches be set? I got 2^4=16 16x2=32 Is this right. If not can someone help?
Wednesday, October 13, 2010 by Johnston

8th grade
Data plotted on a graph results in a line that slopes upward from left to right. This graph tells you that a)when one variable increases, the other variable decreases. or b) when one variable increases, the other variable increases?
Monday, October 11, 2010 by Angelo

science
what is the 8th continent?
Saturday, October 2, 2010 by anonymos

algebra 8th
-4.7-(-4.7) = 0 ???
Tuesday, August 31, 2010 by Ana

algebra 8th
ADD OR SUBTRACT> 5.2-2.5 HOW DO I DO THIS?
Tuesday, August 31, 2010 by Andy

8th grade
if the scale of a map is 1/4inches = 1 miles. the distance between two cities on the map is 3 1/4inches. what is the acutal distance ,in miles,between the two cities.
Sunday, August 1, 2010 by ruthy

English
Those familiar with the story Animal Farm Please help me come up with a thesis for the prompt: Napoleon Continues to announce new rules that seem less than desirable. The animals seem confused and somewhat annoyed, yet none protest or dare to speak the truth. What do you think...
Monday, June 21, 2010 by Lolerskater

trigonometry
in triangle abc, angle c is a right angle, AC=8,Bc=15 and AB=17 a.find Sine a b.Find cosine A c.Find Sine B d. Find COsine B E. the measure of angel A f. the measure of angela b Can u tell me the answers and how to do it. Because im in 8th grade
Tuesday, May 18, 2010 by james

valedictorian speech topic?
I'm supposed to write an end-of-the-year reflection of my middle school years(valedictorian speech).. help? my teacher choose me to write the speech, almost like a valedictorian speech... its supposed to be describing "my educational experience of 6th, 7th, and 8th ...
Sunday, May 16, 2010 by NEEDSHELP(:

8th grade
1 methods of controlling fullness. 2 what is fastening. 3 uses of fastening. 4 pictures of methods of controlling fullness. 5 what is controlling fullness.
Tuesday, May 4, 2010 by georgian

8th grade
warren is going to use the $26,200 in his savings account to buy a new car. The car he plans to buy costs $24,244.33 plus sales tax, which is 4 1/4%(fractions (0.0425). How much money will warren have in his account after buying the car and paying the sales tax?
Friday, April 23, 2010 by cat

find my grade average
-10% of my grade *82 -20% of my grade *100% *100% *100% *100% *100% *100% *100% *100% *82% -30% of my grade none -40% of my grade *76% reply as soon as possible. thank you!!!!
Sunday, April 18, 2010 by magy

8th grade
write each radius from the problem situation as a power. radius of 8-inch drumhead: r = radius of 18-inch drumhead: r = radius of 16-inch drumhead: r =
Wednesday, April 14, 2010 by Anonymous

Math 157-1
Use the data in the grade-distribution Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade Frequency A 2 B 8 C 11 D 2 F 1 How would the graph change if there were twice as many of ...
Friday, March 19, 2010 by Tyga

classroom instruction
Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i need help finding information on the state of wisconsin and 1st grade P.E.
Thursday, February 18, 2010 by scooby

school
Hi. My name is Samantha. I'm in the 8th grade. Lots of people have been talking to me abou specialized high school. Can you please give me some information on specialized high school(I mean like what are the good and bad things obout specialized high school)? And can you ...
Friday, February 5, 2010 by Samantha

8th grade algebra
A train load of cars and trucks is en route to an automobile dealer for whom you work. Before they arrive, the dealer receives an invoice showing a total of 160 vehicles. Unfortunately, the part of the invoice showing how many of each kind of vehicles has been torn off and ...
Thursday, January 28, 2010 by cuca

8th grade math
Carlos and maria drove a total of 258 miles in 5 hours. Carlos drove the first part of the trip and averaged 53 miles per hr maria drove the remainder of the trip and averaged 51 miles per hr for how many hrs did maria drive
Thursday, January 28, 2010 by rodney

1st grade Math Fair
My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I dont know where or how to begin this project. Can anyone help?
Friday, January 1, 2010 by Joyce

8th Grade Social Studies
I'm sorry, I know that you really can't give out answers but I've been trying to figure this out for a couple hours so I'm posting it anyways. (-_-') The Constitution gives the House of Representatives the authority to a. bring criminal charges against a ...
Sunday, November 15, 2009 by Leez

physical science 8th grade
Copper has 2 known isotopes: ^63CU atomic mass= 62.9298 and ^65 CU atomic mass=64.9278. The average atomic mass of copper is 63.546 amu. Calculate the fraction(percent) of each of the 2 isotopes of copper
Wednesday, November 4, 2009 by help

Math
Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
Sunday, November 1, 2009 by Anonymous

8th grade
Can you write an essay of the great wakening as told by a colonist that explains why at least one figure was popular (ig: George Whitefield), explains why someone of influence has ability to persuade, explains themes of great awakening and applies themes of great awakening to ...
Saturday, October 31, 2009 by em s

Math
Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
Tuesday, October 27, 2009 by Anonymous

8th grade
At a faculty costume party, each teacher from transylvania Middle School came dressed as his or her favorite creepy creature. The teachers arrived one at a time, and when a new teacher came in, each of the teachers already there lined up at the door and shook hands with the ...
Monday, October 26, 2009 by anomyous

8th grade math
An airplane flies from New Orleans to Atlanta at a rate of 320mph. The airplane then returns at a rate of 280mph. The total travel time is 3 hours. What is the flying time from New Orleans to Atlanta?
Tuesday, October 20, 2009 by viv

8th grade math
An airplane flies from New Orleans to Atlanta at a rate of 320mph. The airplane then returns at a rate of 280mph. The total travel time is 3 hours. What is the flying time from New Orleans to Atlanta?
Tuesday, October 20, 2009 by viv

8th grade
Lori wants to go to the beach on saturday but she's not sure if she has enough gas in her car to drive there and back home. The beach is 77 miles from Lori's house but the car gets about 28 miles per gallon. How many gallons of gas does Lori need to have in her car to ...
Monday, October 19, 2009 by Gaby

8th grade physical science
A student measured the mass of an object and obtained the following results: 10.1 g, 11.0 g, and 10.5 g. The actual mass of the object was 10.6 g. a. What should the student report as the mass of the object? My answer: The student should report the mass as 10.5, because that ...
Tuesday, October 13, 2009 by Evangeline

Algebra 1A
From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...
Thursday, October 8, 2009 by Don

8th grade science
the length of a piece of string is known to be exactly 9.84 cm. two students measured the string. student A used a ruler marked in centimeters and got a measurement of 10 cm. student B used a ruler marked in millimeters and centimeters and got a measurement of 9.8 cm. how ...
Friday, October 2, 2009 by Michaela

8th grade - science
the length of a string is known to be exactly 9.84cm. two students measured the string. student A used a ruler marked in centimeters and got a measurement of 10 cm. student B used a ruler marked in millimeters and centimeters and got a measurement of 9.8 cm. which student'...
Friday, October 2, 2009 by Michaela

8th grade math PLEASE HELP!
At Eglinton subway station the 54 Lawrence bus leaves the station every 18 minutes. The 34 Eglinton Bus leaves every 30 minutes. The 28 Mt Pleasant Bus leaves the station every 11 minutes. Assuming the buses run 24 hours a day at what time interval do all three buses leave the...
Wednesday, September 23, 2009 by Katharine

8th grade
You complete a project for your social studies class. There are 3 parts to the project, worth a total of 100 points. You get 50 out of 50 points on part A, and 23 out of 25 points on part C. The total score you received is 93 out of 100. How many points did you get on part B?
Monday, August 24, 2009 by trina

visual basic
Cant get my message dialog box to display anbody see waht wrong with it? The message box is located in my if then else statement Dim total As Integer = 0 Dim gradeCounter As Integer = 0 Dim grade As Integer = 0 Dim average As Double = 0 ' sum grades in ListBox Do ' ...
Thursday, May 7, 2009 by cl

Language Arts
We have state testing this week [CRCT] and I'm reviewing for the Language Arts part. 8th grade students are required to know a ton of stuff by this time, but one thing I don't understand is simple, compound, and compund-complex sentences. They confuse me and I need to ...
Tuesday, April 21, 2009 by mysterychicken

8th Grade Algebra
To make the Chinese dish "dragon's beard noodles," fold a 5 ft. strand of dough in half. Stretch the dough back to its original length so that two thinner strands are formed. Repeat this folding and stretching process over and over to produce increasing numbers ...
Saturday, April 18, 2009 by Joy

science-8th
what causes an electromagnetic spectrum?
Wednesday, April 8, 2009 by Alexa

8th Grade Algebra
You know how to solve quadratic equations using algebra, graphs and the quadratic formula. Sometimes one method of solving is more convenient than another method. Describe how you would solve each equation. Give reasons for you answers. A) 16x^2 = 1600 B) x^2 - 350 = 0 C) x^2...
Monday, March 30, 2009 by Joy

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 + ã75 Answer: 9ã3 9.(3ã10) Answer: 19 + 6ã10 10. ã27/64 (...
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

english
I need you to grade my paper for me . I dont 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 it&#...
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

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

8th grade
HOW DO I COMPLETE A BAR GRAPH? TO ANSWER 1:THE,WHICH IS TITLE,2:NUMBER LINE AXIS,3: NAME LINE AXIS LABLE,4:INTERVAL LENGTH OF THE NUMBER LINE AXIS,5:NUMBER OF BARS TO BE SHOWN,6:INTERVAL WIDTH EACH BAR,7:INTERVAL WIDTH OF EACH SPACE BETWEEN BARS USEING THIS INFORMATION-MANY ...
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

math
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

Maths
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

english
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

spanish
Question: algo menos de moda que pantlaones de cuadros Answer: Unas faldas armarillo moda que los que pantalones de cuadros This one really confused me - and it is my last one. Do you accept 8th grade students for private tutoring in spanish thanks.
Tuesday, October 23, 2007 by sam

Sequences
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 identified, state its common ...
Sunday, September 30, 2007 by Nelson

science
Is concrete a heterongeneous or homogeneous mixture? Your exact answer here: http://www.usoe.k12.ut.us/curr/Science/s​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. http://www.homewood.k12.al.us/middlescho​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

math
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

stonehenge
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? http://www.fromoldbooks.org/OldEngland/p​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. http://en.wikipedia.org/wiki/Crystal
Wednesday, September 13, 2006 by tonya

algebra
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

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

Maths
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

Economics
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 should accept five test ...
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

stats
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 the bottom cutoff for a C grade? b.) what...
Monday, April 25, 2016 by vanessa

Math
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

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