February 7, 2016

Homework Help: 8th Grade

I'm in 8th grade, im in algebra, and this is my question: x=a+b+c ----- ab solve for a. please help!!
Monday, October 25, 2010 by Maddison

8th grade
Who was influenced negatively by the southern code of behaviour in the autobiography of miss jane pittman, and how?
Friday, October 8, 2010 by Riya

math 8th grade
I need to combine like terms. Here are a few questions that I am having trouble with. -r - 10r n-4-9 -4+7(1-3m) Please help ! thank you.
Thursday, October 7, 2010 by Britta

8th grade
I cant Figure this out... Find each Unit Rate: Four pounds of apples cost $1.96 and Sal washed 5 cars in 50 mins
Monday, October 4, 2010 by May

8th Grade History; where is massachusetts bay located? what is the purpose of its discovery? advantage, and disadvantage. relationship with the local indian tribes. and 1 interesting fact. i cant find ANY of this. help?
Thursday, September 30, 2010 by Cheyenne

8th grade
Math I am a fraction in simplest form. I am greater than1/3 and less than 1/2. The sum of all my digitsb is 8. the difference between my numerator and denominator is 7. What fraction am I?
Thursday, September 30, 2010 by maria

If the Earth has so much mass, then how does it "float"? (My 8th grade Astronomy class trying to figure this out. -Lauren
Wednesday, September 29, 2010 by Lauren

8th grade Math
Put the following numbers in order from least to greatest. 0.0875, 7/8, 0.875%
Monday, September 27, 2010 by Elizabeth

8th grade
Tuesday, September 21, 2010 by SANAM

8th grade
write each number as the product of prime factors. (a) 42__________________ (b) 110_________________ (c)...__________________ (d)...__________________ .... ....
Monday, September 20, 2010 by raluca

8th grade
calculate each power of 10 what pattern do you see in part (a) explain hoe your pattern can show that 10 to the pwoer of 0=1
Monday, September 20, 2010 by unknown

8th grade math
How do I create a calendar with expressions using letters a,b,c, and d (1,2,3,4). Each expression needs to equal each day on the calendar.
Sunday, September 19, 2010 by Tee

8th grade
How do I create a calendar with expressions using letters a,b,c, and d (1,2,3,4). Each expression needs to equal each day on the calendar.
Sunday, September 19, 2010 by Tee

8th grade math
simplify: 3 to fourth power minus square root of sixty-four divide (10-12 squared)
Sunday, September 19, 2010 by zack

8th grade
how to find common factors and common multiples for prime factorization.
Thursday, September 16, 2010 by kendra

8th grade
Joe is stacking four cubes on top of each other and painting the outside of the stack. how many sides will be painted, not counting the bottom which is on the ground.
Wednesday, September 15, 2010 by Sarah

8th grade math
I need the equation for these numbers: 3, 9, 19, 33, 51 I see that the pattern goes up by 6, then 10, then 14, then 18 (4 more each time)
Tuesday, September 14, 2010 by Lisa

8th grade math
The perimeter of a square with a side length of s is given by the expression 4s, what is the permiter of the square shown? and on one of the sides it says 7.5m How would I answer this?
Thursday, September 9, 2010 by Allyson

8th grade
which of the following is an irrational number? A. 1 B. 9/17 C. 0.4166666666 D. Both A&C with showing work please or putting it in to words.
Tuesday, August 31, 2010 by sherkyra

8th grade math
i need help NOW: A leather coat costs a fashion store $150. THey will sell it for a 70% profit. Find the profit as a percentage of the selling price.
Wednesday, August 25, 2010 by charlotte

8th grade
4x plus 2yplus7x plus 3 is if x is 3 a ndy is 4
Tuesday, August 24, 2010 by Anonymous

8th grade
define these terms or questions: what is an inital observation? what is an independent variable? what is an dependent variable? what is a control group?
Tuesday, August 24, 2010 by brxce

8th grade
was pope gregory VII trying to purify the church form corrupt bishops or tryingto increase his own power ?
Tuesday, August 24, 2010 by Bob lee

8th grade math
12x+3x=15x use the distributive property to show that each statement si true.
Thursday, August 19, 2010 by Anonymous

8th grade
5x=125 to the 6th power over 25 to the 4th power
Wednesday, August 11, 2010 by Anonymous

what does term "factor each expression" mean in 8th grade math?
Wednesday, June 30, 2010 by girly t.

8th grade
when two or more substances combine to make a complex compound,the process is called a......WHAT??
Tuesday, June 8, 2010 by kaitlyn

8th grade Composition
Identify parts of Speech for sentence below, on numbered word: 1 2 3 Before the eruption, Mount St.Helena was 4 like a giant pressure cooker.
Tuesday, May 25, 2010 by Matthew

8th grade
How do you diagram the following sentence: Who bravely dares must soemtimes risk a fall.
Sunday, May 23, 2010 by Kiana

8th grade algebra
need ideas of personal experiences to create a mathematical story problem using 4 pictures of this experience and solve the problem.
Wednesday, May 5, 2010 by Raylen

8th grade algebra
need ideas of personal experiences to create a mathematical story problem using 4 pictures of this experience and solve the problem.
Wednesday, May 5, 2010 by Raylen

what page in the 8th grade texas math book is the let,if,then problems.
Wednesday, May 5, 2010 by Dude really

8th grade
what is a historical fact about independent and dependent events. im having so much trouble finding this answer on the enternet. HELP! thanks
Wednesday, May 5, 2010 by Dylan

8th grade
what it he reason a spoon gets hot when put in a bowl of hot soup?
Friday, April 30, 2010 by Chris

8th grade history
Why did British colonies in north america put aside their differences to make Canada?
Sunday, April 18, 2010 by Amy

8th grade physics
1. if you double the distance over which a force moves an object,the work will be multiplied by?? 2.if emily doubles her velocity.her kinetic energy will be? 3.the unit joule is equivalent to?
Friday, April 16, 2010 by Jana

science, 7th,6th,8th,9th grade
In what three ways can machines make work easier?
Thursday, April 15, 2010 by Nyla Rose

8th grade
What are five major events that occured in the south united states during the1830s?
Monday, April 12, 2010 by ashley

8th grade
What would be the right way to convert base 16 to base 10, such as for an example, 1BD base 16 to base 10?
Sunday, March 21, 2010 by Khyir

8th grade math
do you have anything on linear equations or categories on FCAT because I need to study. :)
Monday, March 8, 2010 by caroline

8th grade science
how do i solve this problem The Math Behind the LawHow much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2?
Friday, March 5, 2010 by shellie

8th grade Math
i need some explanation on Area of Trapezoids and Parallelograms....? can some body explain how to find the area?
Wednesday, March 3, 2010 by Austin

Please analyze the following data using the T-test for Unpaired data: A school district wants to determine if the girls are equal to boys in test scores. They took a random sample of 22 8th grade girls and 24 8th grade boys. The district looked at recent CAT scores and found ...
Sunday, February 28, 2010 by Barbara

8th Grade Math
Draw and label a rectangle whose area is represented by the following expression; (x+1) (x+5). Then write an equivalent expression in expanded form. I have absolutly no clue how to do that. :/
Monday, February 22, 2010 by Ann

8th grade
Can you make a sentence that is not to hard to understand using the words growth factor, exponential form, and decay factor?
Thursday, February 11, 2010 by Bobby

8th grade science
What is a vertical section of the ocean from it's surface to the ocean floor called?
Thursday, February 4, 2010 by Sandy

8th grade
why do states need to be concerned about laws passed in other states
Thursday, February 4, 2010 by maria

8th grade
in the formula for lateral surface area for a square base pyramid is 1/2Pl but what does the little l mean?
Tuesday, January 26, 2010 by askdljf

8th grade
Hey In Science were are learning about speed and motion and our teacher gave us the assignment to make a speed acrostic. Can I Get Some HELP?
Monday, January 25, 2010 by Alexis

8th grade
hi, if 20 oz of fish cost 4.59, how much would 6, 12, and 36 oz cost? how would i plot this on graph paper? thank you! maribeth
Sunday, January 24, 2010 by maribeth

8th grade math
find the product of the only set of three consecutive prome numbers that differ by 2.
Tuesday, January 19, 2010 by bethany

8th grade
a chess board has 64 squares if pieces occupy 19 squares how many squares are unoccupied?
Sunday, January 17, 2010 by Anonymous

8th grade
The area of a rectangle is 45cm2. The height is one less than two times the base. what is the length of the base
Monday, January 4, 2010 by Mark

8th grade
how do you solve this 3(4-x)-22=x+48 solve for x please help me!!!!!
Sunday, December 27, 2009 by cynthia

8th grade science
What law states that unlike charges attract each other while like charges repel each other?
Thursday, December 17, 2009 by Karen

U.S History- 8th grade
What was the major difference between the three regions? (geographical difference) The regions are england, middle and southern.
Sunday, December 13, 2009 by Sammi

U.S History- 8th grade
What was the geography and economy like in the England colonies, middle colonies, and southern colonies? Do you guys know any good websites to check out?
Sunday, December 13, 2009 by Sammi

8th grade
which of the following stated that the United states would not tolerate European intervention in Latin America?
Monday, December 7, 2009 by Anonymous

8th grade
wich of the following stated that the United states would not tolerate European intervention in Latin America?
Monday, December 7, 2009 by Anonymous

8th grade
how do you draw an atom of the isotope nitrogen 14? I know it has 7 protons and 7 neutrons but how do I draw it?
Thursday, December 3, 2009 by geof

8th grade
Wednesday, December 2, 2009 by LORI

8th grade Algebra I (junior level math)
How do i solve proportions? step by step answers plz!!!! EXAMPLE! g/5 = 6/10
Tuesday, December 1, 2009 by Nick

8th grade math
John has already saved $40 and wants to buy an I-Pod for $129 in 4 months. To find how much he should save each week he wrote the following equation: 40+16n=129.
Sunday, November 29, 2009 by Amanda

8th grade math
I need to know what two fractions when subtracted equal: 3/5, 1/9, and 3/10 the denominator has to be different and it cant be an improper fraction.thanks
Friday, November 27, 2009 by Mia

8th grade
who said, "I only regret that I have that I have but one life to lose for my country"
Wednesday, November 18, 2009 by Carla

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
Tuesday, November 17, 2009 by Anonymous

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??
Thursday, November 12, 2009 by Ashley

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
Wednesday, November 11, 2009 by beba melendez

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???
Wednesday, October 28, 2009 by Ben

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 much work did she do? B.what was her power
Sunday, October 25, 2009 by Barb

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
Friday, October 23, 2009 by aaliyah

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?
Tuesday, October 6, 2009 by patrick

8th Grade Algebra (AP) f(x)=-3x Model the rule with a table of values and a graph.
Monday, October 5, 2009 by gabriele

8th grade
what are the major commercial fish caught in the bahamas and tell where they are caught
Saturday, October 3, 2009 by Anonymous

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.
Saturday, October 3, 2009 by Peter

8th grade math
how can you use prime factorization to determine the LCM and GCF of two numbers?
Wednesday, September 30, 2009 by emily

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.
Saturday, September 26, 2009 by Kendall

8th grade
suppose that jake flew on this jet to new york. if his trip took 4 hours, how many km did he travel?
Tuesday, September 22, 2009 by destiny

8th grade
on a map I need to lacate Mt.Olympus,Mt.Parnassus,Mt.Pindos and Mt.Helicon all on one Mythology map.
Sunday, September 13, 2009 by dana

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?
Wednesday, September 2, 2009 by kelsey

8th grade social studies
explain to me how climate changes had a affect on the changes of culture please!!
Tuesday, September 1, 2009 by breyanna

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.
Wednesday, August 12, 2009 by keimon

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.
Thursday, June 4, 2009 by Gretchen

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
Tuesday, May 26, 2009 by JT

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...
Tuesday, May 26, 2009 by fish boy

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.
Tuesday, May 5, 2009 by Bridget

8th grade prealgebra
Complete to show how the given expression can be written as the product of two factors. -3m-3n=-3
Monday, May 4, 2009 by Alex

8th Grade Algebra
I need to know a quadratic equation that have: 1) exactly one negative solution
Wednesday, April 1, 2009 by Joy

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.
Saturday, March 28, 2009 by Joy

8th grade science
infer why deposits form in the steam vents of irons in some parts of the country. thank you.
Thursday, March 26, 2009 by al

Please! It's almost my bedtime!
Wednesday, March 4, 2009 by Joy

Science (atoms) 8th grade
What is the usual state of matter for covalent compounds? Ionic compounds? What is the smallest particle for each?
Tuesday, March 3, 2009 by Twilight lover

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???
Thursday, February 26, 2009 by AJ

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?
Friday, February 20, 2009 by brianna

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?
Thursday, February 19, 2009 by Katy

8th grade
what is the difference between a compressional wave with a large amplitude and one with a small amplitude
Monday, February 16, 2009 by jennie

8th grade
who was the man who won the presidential election in 1836 but then became hated in 1837!? 1)daniel webster 2)martin van buren or 3)william henry harrison!?
Monday, February 2, 2009 by kayla! please help me!

8th Grade Algebra
Rewrite each polynomial as the product of two binomials. 1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 Can someone please help me do these correctly?
Thursday, January 15, 2009 by Joy

Math 8th grade
A pen contained chickens and pigs. There were 28 legs and 9 heads. How many chickens were in the pen? I think the answers in 4. Is that right?
Thursday, January 15, 2009 by Rosalie

8th Grade Algebra:Radicals
{ this means means square root How do you solve these kind of radicals: 1. (5-{14)*(3-{2) 2. (4{2+2)*(3{3-1) Can someone show me how to do these correctly please ?
Wednesday, January 14, 2009 by Joy

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