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Homework Help: 8th Grade
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8th grade math
How do i do the multi-step equation, 2(7+x)=22?
8th grade
who said, "I only regret that I have that I have but one life to lose for my country"
8th Grade Science
by stirring a gas in a liquid,its solubility does it speed up or slow down n the dissolving process............PLEASE HELP ITS HARD
8th Grade Algebra
1. (y^2+6y+1)(3y^2-3) 2. (4x^2-2x-1)(3x-1) 3. (n^2-n+2)(n+2) Help!! I'm trying to help my daughter with her homework.
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 pr...
8th grade Science
Please help need ideas I am building a 3D model of a plant and animal cell. I need to show diffusion and osmosis movement within the cell.
8th Grade Social Studies
I have to make a comic strip of trade and West Africa, and I am kinda at a loss, any suggestions??
8th grade
its in Algebra 1 ! the riddle is whom should you see at the bank if you need to borrow money. its 15 letters. a teller doesnt fit. i dont know ! i need help ! PLEASE
8th grade Clinton Junior High School
What is Dividing Powers mean?
8th grade
unscramble math words:goatnoc
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
8th grade
1 1 1 - . - . - 5 5 2 help me answer this fraction problem
8th grade
how to model each rule with a table of values and a graph
8th grade
how do i find antony for words in my weglish class.
MATH
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...
8th grade History/English
I need to name three influential pilots in Life on the Mississippi by Mark Twain. I already have two: Mr. Brown Mr. Bixby I need one more. Anyone know one?? Thanks!
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 ...
physics 8th grade
If a woman hasa mass of 50 kg calculate her weight in neutons
8th grade
Please Help Me. I'm doing a Science Fair Project, and I need help with finding simmilar experiments to mine. My experiment is: Which saliva is cleaner: Cat, Dog, or Human???
8th grade
WHAT IS A CHEMICAL SOLUTION AND GIVE AN EXAMPLE?
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 n...
Science 8th grade
What is the mass of a piece of aluminum that has a volume 100.0^3?
8th grade
a student wo weighs 500 newtons climbed the stairs from the first floor to the third floor 15 meters above in 20 seconds A.how much work did she do? B.what was her power
8th grade
on my homework it say . on your paper write the word or words that are being moodified by the adverbs in italice in each sentence. how do i do this
English (8th Grade)
I can only figure about half of this one out: Your assignment is to go back and label the parts of speech of each word in this paragraph. The only ones which you do not know are articles (a/the) and determiners (these/those/this/that). There are: nouns, pronouns, verbs, adverb...
8th grade math
Fill in the blanks using 3 of these operation signs to complete each number sentence. * + - / (* means multiply) question 1: 12 ___6 ___4 ___ 2=24 question 2: (12 ___ 6) __ (4 ___ 2)=36
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?
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?
8th grade
how do you work this out? 5x-6x and 6x+2x-3
8th grade
-5+(5)
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 ...
8th grade
plot elements: cause of conflict
8th grade
-5+15n-20-12=13 Can somebody please help?
8th grade
I need help on this equation: -5(-3n+4)-12=13
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 i...
Statistics
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...
Statistics
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...
8th grade
Why did Great Britian raise taxes in its american Cononies?
8th grade
Why did Great Britian raise taxes in its american Cononies?
8th grade History
How did the ratification of the Constitution depend on the debates in each of the states?
8th grade
If t increases by 1 second by how much does the disance change?
8th grade literacy
what is the difference between hype and reality?
8th grade
How Does a rodeo star get around
8th grade
ok my teacher just assigned me this wikid stupid worksheet with a riddle whom do you see at the bank if you need to borrow money?
8th grade
Can you help me solve this equation. 6n-(-2n)+8
algebra
8th Grade Algebra (AP) f(x)=-3x Model the rule with a table of values and a graph.
math 8th grade
find 72% of 200 and i need to show work
8th grade
what are the major commercial fish caught in the bahamas and tell where they are caught
8th grade
Direct Variation: when you have a job that pays an hourly wage, the amount you earn varies directly with the number of hours you work. Suppose you earn $7.10/ hour working at the library.
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 prec...
8th grade - science
i have the same problem as before,only 3 more questions about it. please help!! how precise is the ruler originally used to measure the string? explain. what is the length of the string to the nearest centimeter? what is the length of the string to the nearest tenth of a centi...
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'...
8th grade math
how can you use prime factorization to determine the LCM and GCF of two numbers?
8th grade math
Light travels approximately 5.87 X 10^12 miles in one year. This distance is called a light year. Suppose a star is 2 X 10^4 light years away. How many miles away is that star? Please help with detailed steps to solve problem. Thanks.
8th grade math
Light travels approximately 5.87 X 10^12 miles in one year. This distance is called a light year. Suppose a star is 2 X 10^4 light years away. How many miles away is that star? Please help with detailed steps to solve problem. Thanks.
8th Grade Math
How do you solve this equations? (xy^-3)^-5 (3x^4)(4x^12) ab^-6 ______ c^0d^-4 x^3y^0(z^-4) Can you please show it step by step? Thanks.
8th grade
20_140
8th grade
I am working on order of opertaion Iget stuck with the() this is one of the problems (17-12)-(-15)divded(-6)+3+6
8th Grade Math
If x/y=4, x-y=9, and y-x=(-9) then what is x and y?
8th Grade Math
If x/y=4, x-y=9, and y-x=-9, what is x & y?
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...
8th grade
A JetBlue flight from Jacksonville, FL to San Diego is flying at 500 km per hour west. It encounters a head wind that is moving at 300 km per hour in an easterly direction towards the east. What is the net velocity of the plane, include directions?
8th grade
suppose that jake flew on this jet to new york. if his trip took 4 hours, how many km did he travel?
8th grade
what is gnama artea it means Kings must follow laws too.
8th grade science
How did the broad river get its name?
8th grade
According to the CIA fact book there were 1018057384 internet users in 2005. The same source states that in 2005, Canada had 22 million internet users. What percentage of internet users in 2005 were canadian? Give the answer in standard, word, expanded form and scientific nota...
8th grade Math
Adding Expressions with Square Roots 28x square root + 63x square root
8th grade
on a map I need to lacate Mt.Olympus,Mt.Parnassus,Mt.Pindos and Mt.Helicon all on one Mythology map.
8th grade
what are proteins?how are they important to our body/
8th grade
What was the first set of laws that governed America called?
8th grade science
Measurement is a quantity with both a ____________________? Please fill in the blank. This question is on my study guide and I do not know what the answer is?
8th grade social studies
explain to me how climate changes had a affect on the changes of culture please!!
social studies
how can social studies affect me iam a 8th grade student
8th grade
Why are handcuffs like souvenirs?
8th grade Math
A fish tank 24 inches long, 16 inches wide, and 12 inches high is 3/4 full of water. By how many inches will the water level rise if you should add 576 cubic inches of water?
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?
8th grade science
How do you do a ball dichotomy?
8th grade algebra
1 / 2 times Y plus 3 equal 15 What is the value of the Y. 1/2 x y + 3= 15 What does the Y stand for. Thank you
8th grade
Fine the complete subject or predicate of the sentence. then identify the simple subject or verb. Examble; The peaks of the undersea mountains rise above the surface of the water and form islands.
8th grade
I wanted to welcome you ASAP to our little family here in the States. It's high time we shook hands in person and not just across the sea. I'm pleased as punch about getting to know you all, and I for one will do my level best to sell you on America.
8th Grade Algebra
(b^2-10b+21)/(b^2-11b+28) I need help trying to figure out how to factor each quantity or parentheses. and then simplifying it.
8th Grade Algebra
Simplify each rational expression. 1. (x^2+1)/(x+1) 2. (y^2+4)/(y+2) Check Answers: 3.(2t^2+6t+4)/(4t^2-12t-16) Answer: (t+2)/2(t-2)
8th grade
Write a polynomial expression in simplest form that represents the difference between the area of the larger rectangle and the area of the smaller rectangle. Then find the difference when x=4.
8th grade
n+3=12
8th grade
can u help me to find the product of -4x^2 and x^3 + 2x^2 - 5x + 3 and the solution to the equation of x^2 + 30x = 1000...I came up with -20 and 50 but i dont think it is right..can u help also can you help me to do the factorization of 6x^2 - 2x - 20.....Help please help
8th grade
Can you help me find the roots of the polynominal of 5x2 - x....I believe it is 0 and 5... I need help in finding the factorization of x2 - 15x + 56 and can u help me in finding the solutions of the equation x2 + 30x = 1000... I came up with 20 and 50..but i think it is wrong....
8th grade
What is the degree of -5a2b + 4a2 -2b +5 also I need help in finding the product of x + 5 and 3x -2. also what is the product of -4x2 and x3 + 2x2 -5x + 3....I need the solutions..Thank You for Your help
math 8th grade
im stuck on a question and i dont kno wat the answer shud b... Is the square root of 8 + the square root of 10 the same as the square root of 8+10? Use a grid and lengths of line segments to give a geometric argument. thx for ur help ;]
8th grade
why were the elections to unite Vietnam in the mid 1950s never held?
8th grade
how do you simplify: 3x+6 ---- 3x^2
8th grade Science
What are the 3 problems solved by fluid technology???
8th Grade Algebra
Multiply. 1) (3t^2 - 2t - 4) * (5t + 9) Writing. 1) Explain why the product of a quadratic polynomial and a linear polynomial must be a cubic polynomial.
8th Grade Algebra
How come x^4/3 is a ploynomial, but 3/x^4 isn't?
8th grade prealgebra
Complete to show how the given expression can be written as the product of two factors. -3m-3n=-3
8th grade
how do diagram a sententce
Algebra 1- 8th Grade
Find each product. 1) 2t(t + 2) 2) (2n +1) * (n - 4)
8th grade
what is a expirment for will water temperature change if it is heated while it has ice in it?
Algebra 1- 8th Grade
According to the 1990 Census, the population of the United States was 2.49 x 10^8. The cost of taking the census in 1990 was 2.6 x 10^9 dollars. How much did the census cost per person in the United States?
Algebra 1: 8th Grade
Simplify each expression. Write your answers using positive exponents. Check Answers Please: 1) 2^3*2^4 = 2^7 2)10^6/10^9 = 1/10^3 3)3^5*3^1 = 3^6 4)5^7*5^-4 = 5^3 5)9^3/9^-10 = 9^13 6) 4^11/4^8*4^-2 = 4^5 7) a^2*a^3 = a^5 8)b^-9/b^4 = 1/b^13 9)c^-5*c^-2 = 1/c^7 11)(5d^4)(8d^6...
8th grade
sovle 7x + 12x -9 - 4x -3
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 ...
8th grade
which county official is elected rather than appointed?
8th grade Geography
What are three environmental consequences of Disneyland Paris project?
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 o...
8th grade Algebra
I'm trying to help my young friend -- and am totally lost. He has a math crossword puzzle and here are three words we cannot find. 11. The number of solutions of a system in which the lines are parallel 11 letters, probably beginning with N 14. A line used when the points ...
8th grade
how can i improve my maths and english
8th grade
essay on should students only have to take reading andmath to go to 9th grade agree or disagree?
8th grade
What Do Race Car Drivers Really Do?
8th Grade Algebra
I need to know a quadratic equation that have: 1) exactly one negative solution
8th Grade Science
At what temperature is water the most dense?
8th Grade Science
If we say that gold has a density of 19.32 g/ml, at what temperature is this substance?
8th grade
how do you write a song that will knock over a cow?
8th Grade Algebra
1) A firefighter aims a hose at a window 25 ft. above the ground. The equation h = -0.01d^2 + 1.06d + 5 models the path of the water, when h equals height in feet. Estimate, to the nearest foot, the horizontal distance d in feet btween the firefighter and the building. This pr...
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 ...
Algebra 1- 8th Grade
What is the relationship between the x-intercepts of a parabola and its vertex's x-coordinate?
8th grade
what role does lena play in the book copper sun
8th Grade Algebra
For a graph of the equation y = x^2 + bx + c, the x-coordinate of the vertex is a function of b. Write an equation for the function.
8th grade science
Explain if it is possible to have a dilute solution of a strong acid? Thanks.
8th grade science
infer why deposits form in the steam vents of irons in some parts of the country. thank you.
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 ...
8th grade MATH
IF M<4=3X-10....WHAT IS THE MEASURE OF <4
8th grade math easy quick question
Can you combine 26a^2 and 13a^3??
8th grade
What is the name of the large island that is part of New York?
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, ...
Systems of Inequalities-8th Grade Algebra
Graph the equation. The graph will divide the coordinate plane into four reqions. Write a system of inequalities that describe each region. Labe the region with these inequalities. 1) y = x - 3 y = 9 - x I already graphed it, I only need help on writing the systems of inequali...
8th grade
y = log x If y = 10, then what is x? And thats seriously the whole question...I dont even know what to do with it.
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...
8th grade
Need some info on the Battle of New Orleans I can't find it in my book
8th grade history
I'm writing a research report on the very first stagecoaches. The information that I cannot find is: Who invented it who has improved it over the years how and where was it originally used If not used today, why is it not used, and what replaced it? Thank you SOOOOOO much ...
Algebra: 8th Grade; Equation Check
1) A private airplane leaves an airport and flies due south at 192 km/h. Two hours later a jet leaves at the same airport and flies due south at 960 km/h. When will the jet overtake the plane? t = time Equation: 192(t+3) = 960 2)An airplane flew for 4 hours with a 20-km/h tail...
8th Grade Algebra
I don't know how to do these types of problems whatsoever. 1) It takes a small jet plane 4 hours less time than it takes a propeller-driven plane to travel from Glen Rock to Oakville. The jet plane averages 637 km/h while the propeller plane averages 273 km/h. How far is i...
8th grade
How does color effect memory?
8th Grade Algebra: HELP ME PLEASE!
I am having a hard time figuring out the equations for these problems. 1) The perimeter of a rectangle is 160 feet. One fourth the length is the same as twice the width. Find the demensions for the rectangle. 2) Lorena bought 10 packs of styrofoam cups for the graduation dance...
SOMEONE PLEASE ANSWER "8TH GRADE ALGEBRA" QUESTION
Please! It's almost my bedtime!
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...
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 ...
Science (atoms) 8th grade
What is the usual state of matter for covalent compounds? Ionic compounds? What is the smallest particle for each?
8th Grade Algebra
How do you solve this problem? 3x = 4y x + y = 21 Help please.
stats ?
The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs for students with dyscalculia (like dyslexia, only numbers are the problem, rather than words!). The students are 60 8th graders at a magnet school fo...
stats
The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs for students with dyscalculia (like dyslexia, only numbers are the problem, rather than words!). The students are 60 8th graders at a magnet school fo...
8th grade history
i need to do a 3 page paper on joan of arc's trial, but i don't know what information to put. can you please help me make a summary???
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 que...
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 Answe...
8th Grade Algebra
How can you tell if these three equations have a common solution? 3x - 5y = 1 4x - y = 24 2x - 3y = 2 Please help ?
Algebra 1- 8th Grade
How do you solve these types of problems? 1) 3 - n = 32 3m - 8n - 6 = 0 2) 2p - q = 8 1/3p + 1/4q = 3
8th Grade US History
Who was the black man that momorized the blueprints for Washington DC after the frenchman who was orginally building it quit?
Adv. Math
Can someone else explain it but more easier for an 8th grader ______________________________________ In January, gasoline cost $1.05 per gallon. In July, gasoline cost $1.20 per gallon. Find the percent of increase. Would the answer for this question be 14.3? And how do you do...
8th grade history
how many battles were going on during the civil war please help soon
8th grade Science
I need help really bad. What are the three ways that unbalanced forces can cause an object to change it's motion?
8th grade science
an object that weighs 3N displaces 90mL of water which weighs 2.8N. What is the buoyant force on the object? idk how to solve this problem PLEASE HELP!! thanks
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