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October 20, 2014

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8th Grade Algebra: Answer Check #2
Add or Subtract (Radicals) { this means squared 1.3{2 + 4{2 Answer: 7{2 2. 8{3 + 3{3 Answer: 11{3 3. 7{5 - 3{5 Answer: 4{5 4. 8{2 - 5{2 Answer: 3{2 5. 6{x + 7{x Answer: 13{x 6. 9{y + 3{y Answer: 12{y Multiply 7. -3x^2(4x^2-3x-5) Answer: 12x^2 8.(3b+5)(b-3) Answer: 3b^2-4b-15 9...
January 20, 2009 by Joy

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 ...
January 20, 2009 by Joy

8th Grade Algebra-Radicals:Answer Check
Write each expression in simplest form. ( means square root 4. 3(11 + 4(11 Answer: 8(11 7. 7(2 - 2(8 Answer: 1(2 ?? 8. (48 + (75 Answer: 9(3 9.(3(10) Answer: 19 + 610 10. (27/64 (Fractions) Answer: 3(3/8 ?? 11. 10(20 - 3(80 Answer: 10(5 12. (6/49 (Fractions) Answer...
January 14, 2009 by Joy

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)
June 3, 2009 by Joy

8th Grade Algebra-Radicals:Answer Check
Change each decimal to a fraction in lowest terms. 1) 0.4242.... Answer: 14/33 2)0.58 Answer: 29/50 3)0.14 (Repeating sign over both numbers) Answer: 14/99 Write each expression in simplest form. ( means that it is inside a square root. 1. (54 Answer: 3(6 2. (98 Answer:(14*(7 ...
January 13, 2009 by Joy

8th Grade Algebra-Answer Check
Write each decimal as a fraction in lowest terms. 1. 0.111... Answer: 1/9 2. 0.02 Answer: 1/50 3. 0.7272... Answer: 8/11 4. 0.012012... Answer: 4/333 ?? 5. 0.66666.... Answer: 2/3 6. 0.396 (reapeating sign over all numbers) Answer: 44/111 ??? If I got any of these wrong, can ...
January 19, 2009 by Joy

8th Grade Algebra-Radicals:Answer Check
4. 311 + 411 Answer: 811 7. 72 - 28 Answer: 12 ?? 8. 48 + 75 Answer: 93 9.(310) Answer: 19 + 610 10. 27/64 (Fractions) Answer 33/8 ?? 11. 1020 - 380 Answer: 105 12. 6/49 Fractions) Answer: 6/7 ?? 13. 32 * 14 Answer:stays the same ?? 14...
January 13, 2009 by Joy

8th grade Math
Can you please check my answer? Solve for x. 7- 7/2x = -5 my answer: x = 42
November 13, 2010 by Elizabeth

Soanish-8th grade please check answer
I'm not sure what they're asking in this question- are they asking where you are when you vacation? Dond te ustedes cuando de vacaciones? Answer-Yo estoy en Florida.
May 14, 2012 by Anthony

8th Grade Algebra Confusion
Hi. I am starting a new section in Algebra, and I thought I understood it. But when I went to the back of my book to check the answers, they were way off. We are dividing and simplifying radical expressions and equations.
February 3, 2010 by Celeste

8th grade Math
I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power) ______________________ 27mn 3a4a(4 ...
September 9, 2010 by Mika

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 ...
February 25, 2009 by Lily

8th grade math
7z-z can someone please check my answer for the above math question. My answer is 62 is this correct?
November 13, 2010 by cindy

8th grade math
Can you please check my answer? Selena recieved $42 commission for selling a computer for $1400. What percent is her commission? my answer: 3%
November 8, 2010 by Elizabeth

8th grade math
I am not sure if I did it correct, can you please check this answer for me, Ms.Sue? :) Writing equations in point-slope form: m:3, p:(-1, -2) (y-y1) = m(x-x1) y-(-2)=3(x-(-1)) y+2=3x+3 y+2-2=3x+3-2 y=3x+1
October 27, 2013 by Lauren

Health 8th grade
Please check my answer thansks :) Invasive sampling of the blood from the _______ would reval that the blood is mostly dexygenated My answer is pulmonary arteries
March 25, 2008 by Anonymous

8th Grade
Me and my friend are making our own 8th grade binder, you know like writing down planns for our 8th grade year. Here are the sections: - To-Do-List - Doodles (if you are bored) - Projects that are do (school plans) - Graduation Plans (speech, to-do-list, etc.) - Dates for ...
December 5, 2011 by Laruen

Science 8th grade check answer
The cellular process involves mitosis is fertilization ? True or False I picked True
March 22, 2008 by Alley

9th grade algebra/Ms Sue
Okay Ms. Sue. I am in 8th grade but I am taking Algebra with 9th graders. I am very confused with my previous problem. I have asked my Dad but we are both getting confused. Now I have come up with 22. Is this my correct answer?
August 22, 2012 by Reed

Science 8th grade
please check my answer thanks True or false Blood gains oxygen when it passes through the liver I said True
March 26, 2008 by Anonymous

Science 8th grade
please check my answer thanks True or False Blood gains oxygen when it passes through the liver I said true
March 27, 2008 by Anonymous

8th grade math
Can you please check my answer? A spherical balloon has a volume of 268 cubic cm. If more air is pumped in so that its radius is 3 times as long, what is its new volume? My answer: 2,412 cubic cm
December 13, 2010 by Elizabeth

math
what is the difference between translation , rotation, relections, and dilation in 8 grade work In 8th grade talk, I recommend you check the examples in your book. OR, if you put your definitions here, I can critique them.
January 28, 2007 by jose

Science 8th grade
Please check my answer thanks A woman who recently came home from a tropical vaction now has abdominal pain and diarrhea// Her blod test show an elevated eosinophil level. Which of the following organisms is most likely the cause of her illness? A Bacteria B Worm C Virus D ...
March 25, 2008 by Anonymous

SOMEONE PLEASE ANSWER "8TH GRADE ALGEBRA" QUESTION
Please! It's almost my bedtime!
March 4, 2009 by Joy

Science 8th grade check answer
Anterior to the sternum, medial to the thoracic vertebrae ad superior to the diaphragm is the correct location of the heart True or False I am not sure not this on I am going to say False
March 27, 2008 by Anonymous

Algebra(Check Please?)9nth Grade
3.) 3x + y = -8 My answer: Y=-8 + -3x 4.)2x - y = 11 My Answer: y=2x + -11 5.) 4x + -8y = 24 My answer: y = 32x + -192 6.) 15x + 10 = -14 - 9x My answer: NEED HELP WITH THIS ONE.
September 7, 2011 by Joshua

8th grade
im in advanced math so i do 8th grade math and i dont understand how too gragh the fractions in equations like y=2/3x+1
November 29, 2009 by jazmine

what can i compare middle school to?
what can i compare middle school to? (use in metaphor), based on 6th, 7th, and 8th grade. for example playing monopoly 6th grade - buying properties, 7th grade- adjusting to the game, 8th grade - stress over money
May 16, 2010 by NEEDSHELP(:

8th grade math
Can you please check my answer? Marcia wants to make muffins and needs 3/4 cup of a cup of sugar. She discovers, however,that she has only 2/3 of a cup of sugar. How much more sugar does she need? my answer: 1/12 of a cup
November 8, 2010 by Elizabeth

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

8th Grade Algebra
3m - 10 = 2(4m -5)
September 9, 2010 by David

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

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...
April 28, 2009 by Joy

algebra 8th grade
20 4 ? 3/4 (1/2) use this <> and =
September 1, 2010 by alks

Algebra 8th grade
3a + 5b = 70 6a + 9b = 135
April 1, 2013 by Anon

8th Grade Math
Can you please check my answer? An American football field is a rectangle 120 yards long (including both end zones) and 53 1/3 yards wide. What is the area of an American football field? my answer: 6360 square yards
November 28, 2010 by Elizabeth

Algebra 1- 8th Grade
Find each product. 1) 2t(t + 2) 2) (2n +1) * (n - 4)
April 30, 2009 by Leila

8th Grade Algebra
How come x^4/3 is a ploynomial, but 3/x^4 isn't?
May 4, 2009 by Nancy

8th grade algebra
-12x=14-5x please and thank you!
September 13, 2010 by Laura

8th grade math in pre-algebra
6(2x+3)=42
November 4, 2011 by Anonymous

8th Grade
Whta is a verctorican (srry i can't spell that) award when the 8th graders get one?????
November 19, 2011 by Laruen

8th grade
what's the answer to .5x-y=8
December 10, 2008 by Morgan

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
February 23, 2009 by Joy

8th Grade Algebra
How do you solve this problem? 3x = 4y x + y = 21 Help please.
March 2, 2009 by Lilian

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.
November 16, 2009 by Kaitlyn

8th grade
what is the answer to the equation 4z-2=30?
October 10, 2010 by Anonymous

8th grade algebra
what is the square root of 9x (to the power of 8) Explain too?
March 30, 2010 by joe

Science 8th grade
Please check my answer thanks Which of the folowing process is achieved through osmosis ? A. A cube of sugar didilving in coffee B. Particles of oxygen filling the lungs C. Water moving across thr cell membranne D. Transport of proteins from the endoplasmic reticulum to the ...
March 22, 2008 by Alley

Spanish 8th grade-Please check answer
Is this correct the way I answered this-I don't like onion cake so I'm telling them Sorry,but I don't like it. Quieres comer pastel de cebollas conmigo? Lo siento pero no, no me gusta pastel de cebollas. Thank you
April 12, 2011 by Melissa

8th grade
ok ihave three problems for homework in algebra 1 honors Y+3=3+Y 6*1/2-Y=3*2 3/4+Y=0.75+Y
August 22, 2008 by brit

algebra
1/2x+6=1/3x Please help. my college grad mom can't help with my 8th grade math!
September 2, 2008 by Josh

algebra 1 8th grade
I cannot solve for x in the following expression, -4 + 2x + 2 = x + 1 + x. Am i missing something?
October 1, 2008 by laura

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
August 19, 2009 by Anonymous

8th grade
Math Algebra With Pizzazz (in music, What Does "Allegro" Mean?
February 1, 2010 by riley159

8th grade
1 1 1 - . - . - 5 5 2 help me answer this fraction problem
November 3, 2009 by Rachelle

8th grade math
Solve for x. 6 - x = -10 + 7 my answer: x = 9
November 13, 2010 by Elizabeth

8th grade pre algebra
i am having trouble with solving inequalitys... how do you solve t+6>-3
January 19, 2009 by brittney

Algebra 1- 8th Grade
What is the relationship between the x-intercepts of a parabola and its vertex's x-coordinate?
March 29, 2009 by Nancy

8th grade
this is a algebra pizzazz question what happened to the glass blower who inhaled?
October 14, 2010 by victoria wh

8th grade algebra
write a function to describe each statment buying apples for $.89 a lb
December 16, 2010 by haywood

Algebra 1 8th grade
Can a graph that is in a complete circle possibly have a function
January 10, 2011 by Courtney

Science 8th grade
Please check my answer thanks What's the potential benefit of administering CPR to a person whose heart has stopped beating? A. Prevent blood clots B Prevent permanent brain damage C Prevent pericardial effusion D Prevent heart failure I picked D
March 25, 2008 by Anonymous

8th grade
Can someone give me a written answer for this: 2.3w - 3.2 + 4.1 = -6
September 29, 2008 by odie

8th grade Science
In ionic bonds, what is the answer to these? Li + P and Rb + As and Pb + F and Bc + N ??
January 19, 2011 by Susan

Science 8th grade
Please check my answer thanks What makes up most of the volume of blod plasma ? A Reb blood cells B Water C Plasma proteins D White blood cells I think it's Red blood cells
March 25, 2008 by Anonymous

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 ?
February 24, 2009 by Laila

8th grade Algebra
Use the Distributive property to rewrite the expression and simplify. 6(y + 13)+ 21y
August 27, 2010 by Elizabeth

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...
March 30, 2009 by Joy

8th grade
what is the answer to what do you call drilling 4,876 holes?
March 20, 2010 by Anonymous

8th grade
is a shortage of tyrosine the cause of albinism? can u explain the answer.
April 4, 2010 by Shannon

8th grade
what's the answer to this equation? 5+4 times (8-6) to the second power.
August 12, 2010 by jasmina

fractions
Mr.shafier has been teaching school for 10 years.For 6 of those years he taught 8th grade.what fraction represents the time Mr.shafier has not been teaching 8th grade?I knoe the answere is 2 5ths. but how do i show work?HELP!!!!!!!!!!!!!!!
December 12, 2010 by Alyssa

Algebra 1: 8th Grade
How many values of x make each statement true? Explain your reasoning. a) 3x+3=3(x+1) b) x-4-x=0 I don't get what the question is telling me to do. Help?
September 22, 2008 by Joy

8th grade algebra
same slope?? y=-3x+7 y=3x+33 and what type equation? dependent consistant? independent? inconsistant?
January 8, 2009 by Dune

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

8th grade pre-algebra
how to use a grid and lenghts of line segments to give a geometric argument
November 11, 2010 by nerdy

Science-8th Grade
In metric, we use_______to measure volume. is the answer mass ??
September 29, 2008 by Joy

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?
January 15, 2009 by Joy

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.
June 4, 2009 by Gretchen

Health 8th grade
Please check this question for me thanks What method of sterilization uses the same agents as are used to disinfect instruments ? A dry heat B gas C chemical D surgial asepisis I pick C
April 19, 2008 by Mersaides

10th grade - chemistry
what is 670.8/1000000000 and then what is 3.0 * 10 to the 8th power divided by the top answer ...
November 21, 2010 by yessi

8th grade Math
Can you please check my answers? Wally ordered a pizza. He ordered 4/9 of the pizza with sausage, 1/5 of the pizza with extra cheese, and the rest of the pizza with bell peppers. How much of the pizza had bell peppers on it? My answer: 29/45 of a pizza
November 8, 2010 by Elizabeth

8th grade
what is the area of a regular hexagon ABCDEF if AB= 2 units? express your answer in simplist form.
November 3, 2010 by hexagon help

8th grade math
What is 25% of $20.00. What is the total cost of the item? I multiplied 20 x .25 and my answer was 5.00 Then I subtracted 5.00 from 20.00 making my final answer $15.00 for the item. Please tell me if this is correct.
November 2, 2010 by Lane

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?
December 13, 2009 by Sammi

9th grade algebra/Ms Sue
No, I did not check Reiny's answer that night. I did check it just now and it is the same answer I got the very first time I did the problem,but my Dad did not agree with me at that time. He did later after going over and over it. Thanks Ms. Sue. We just got notice that we won...
August 26, 2012 by Reed

Logic
Gene will teach 7th grade of Gene will teach 8th grade. If Gene teaches 7th grade, he will be assigned to the Sunset Road School. Gene will carpool with Chris if he is assigned to the Sunset Road School. If Gene teaches *th grade he will have his daughter Briana in his class. ...
October 30, 2011 by John

8th Grade Math
ABCD is a parallelogram where AO and BO bisect angles A and angle B respectively. What is the measure of ∠AOB? What's the answer? Thanks!!!! :)
August 10, 2013 by mathemagiacian

algebra 1 8th Grade
Find the constant of variation for the direct variation. F(x)=4.5x
January 6, 2011 by shanequa

english
- Computers - English - Foreign Languages - Health - Home Economics - Math - Music - Physical Education - Science - Social Studies GRADE LEVELS - Preschool - Kindergarten - Elementary School - 1st Grade - 2nd Grade - 3rd Grade - 4th Grade - 5th Grade - 6th Grade - 7th Grade - ...
January 8, 2010 by peter

Algebra 1: 8th Grade
Can a steep slope be a negative slope? Why?
October 22, 2008 by Joy

7th grade
Okay, so what are the axiom names? (honors math) Should this go in the 8th grade place? Oh well...
December 13, 2010 by Chloe

8th Grade Algebra
I missed the lesson for this unit. (=sqaure root sign How do you solve these step by step: - 2(5 + 4(5
January 9, 2009 by Joy

Science 8th grade
Please cehck my answer thanks Blood gains what when it passes through the liver ? I think it is carbon dioxide
March 25, 2008 by Anonymous

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?
September 2, 2009 by kelsey

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
May 5, 2010 by Dylan

8th grade math
If two numbers are relatively prime, what is their LCM? Explain your reasoning and give 2 examples supporting your answer.
March 30, 2011 by HELP

Science 8th grade
please check my answer thanks I need to write at least one paragraph regaurding this Urinalysis is a very commo diagnostic test. Describe and name the poddible abnormal results related to the test.. indicate the disorders tha these abnormal test results may sugguest. My answer...
April 1, 2008 by Anonymous

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

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