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December 22, 2014

Search: Geometry-8th gr

Number of results: 9,230

Geometry-8th gr
IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.
January 31, 2013 by Mona

Geometry-8th gr
Can you please help me solve this question? Express the ratio x^2 + 4x -12/ x^2 - 4 in simplest form. Thanks.
February 1, 2013 by Mona

Geometry-8th gr
The Circumference of a circle is equal to the area of the circle. Find the radius. Thanks.
March 8, 2013 by Mona

math
build equation Of the 15 players on the boys' soccer team, 2/5 are 8th graders. On the girls' soccer team,1/3 of 18 are 8th graders. How many 8th graders plaayed on the two teams.
February 22, 2012 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 geometry
segment AC is congruent to segment AD by the ______ of the Isosceles Triangle Theorem. (8 letters, 5th=E, 7th=S) Please help!
December 2, 2008 by girl

Math
I'm an on-going 8th grader, and I'm taking a class for Algebra 2. What should I expect that is different from Algebra 1? P.S. I've taken Geometry online.
June 8, 2014 by Sheenybeany

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

Geometry-8th gr
The geometric mean x of two numbers is the positive value of x that satisfies the proportion a/x =x/b, where a and b are given. Find the geometric mean of 16 and 9.
January 31, 2013 by Mona

reading
Could 8th grades books to read? I am more on a college/highschool reading level but i need the appropriateness for an 8th grader. thanks.
September 9, 2011 by gail

Geometry - 8th grade
Well, I am trying to get geometry polygons and angles, but it's really hard to understand what to do. I'm not one to exaggerate and say I'm dying, but I'm pretty desperate for some help. If someone could explain the basics in simple terms or even post a helpful link I would ...
January 16, 2014 by Larkin

geometry
1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is...
August 30, 2011 by SoccerStar

Math
Help me please to simplify 8 to 8th power x 8 negative 8th power
February 6, 2011 by Tiffany

Geometry-8th gr
Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m<A= 50 degrees, m<X= (2x +5y) degrees, m>Z=( 55 + y) degrees, and that m<B=(102-x) degrees. Find m<Z. Thanks.
January 31, 2013 by Mona

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

I need an answer--molecular/electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
February 8, 2011 by Kate

Geometry-8th gr
The perimeter of triangle ABC is 120. LIne segment BD bisects <B. Line segment AD= 15, and line segment DC= 21. FInd AB and BC. Thanks.
February 1, 2013 by Mona

Molecular and Electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
February 8, 2011 by Kate

Precalc
Find a formula for the nth term if... a)the 8th term is 8 and the 20th term is 44 b) the 8th term is 4 and the 18th term is -96 thanks!! I am just confused how you do this if you dont know what n is.
May 12, 2013 by Rebekah

Geometry -8th gr
Given: triangle ABC ~ triangle PQR, m<A = 75 degrees, m<P = (5x + 7y) degrees, m<R = (3x + 4y) degrees, and m<B =( 2x + 9y) degrees. FInd m<R. Thanks
February 1, 2013 by Mona

math
in an ap the difference is between the 8th and 4th term is 20 and the 8th term is one and the half times the fourth term what is the common difference
November 8, 2013 by dammy

algebra
A plumber needs 4 sections of pipe 2and 7/8 feet long. Can this be cut from a 12 ft. section? If so, how much pipe will be left over? If not, why not? I came up with yes, you will use 11 1/8th amount and have a section of 1 and 1/8th left. Is this correct?
May 26, 2010 by anonymous

math
The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2 These are my choices a 4 to the 8th power b 2 to the 8th power c 4 to the 2nd power d 2 to the 2nd power
February 5, 2011 by Jimmy

Molecular and Electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :)
February 7, 2011 by Kate

geometry
Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?
September 26, 2006 by Debra

Geometry-8th grade
In circle O, chords AB and CD are congruent. Ab measures 2x + y, while CD measures 16.5 Two other chords are congruent. GH equals x +2y and KL equals 13.5 I set them up like this 2x + y = 16.5 x+2y = 13.5 then I substituted-rewrote it x = 13.5-2y Then substituted 2(13.5) + y...
March 7, 2011 by Anna

Geometry-8th grade
In circle O, chords AB and CD are congruent. Ab measures 2x + y, while CD measures 16.5 Two other chords are congruent. GH equals x +2y and KL equals 13.5 I set them up like this 2x + y = 16.5 x+2y = 13.5 then I substituted-rewrote it x = 13.5-2y Then substituted 2(13.5) + y...
March 7, 2011 by Anna

math
Ok, the problem says: a Middle school has 125 6th graders, 150 7th graders, and 100 8th graders. Which statement is NOT true? a. the ratio of 6th graders to 7th graders is 5 to 6. b. the ratio of 8th graders to 7th graders is 3:2. c. the ratio of 6th graders to students in all...
January 18, 2011 by panda

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

Geometry-8th gr
Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.
February 1, 2013 by Mona

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 3a·4a(4 ...
September 9, 2010 by Mika

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 ...
April 17, 2008 by Anonymous

Geometry
For each property listed from plane Euclidean geometry, write a corresponding statement for non-Euclidean spherical geometry. A line segment is the shortest path between two points Hey guys I want to know how to do this and can you help me with this question?
May 29, 2011 by Anonymous

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 geometry
The quarterback throws a pass from 10 yards from a goal line and 25 yards from a sideline. A receiver catches the pass at 40 yards from the same goal line and 5 yards from the same sideline. How long was the pass?
April 25, 2014 by Isaiah

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 ...
April 26, 2008 by kevin

Geometry Letter Grammar??
Hello I'm in Geometry Honors (I'm a freshman btw) and I'm failing with a D. I talked to my counselor about switching me out and going to regular and she says it's okay BUT she needs a letter from my mother saying it's okay to switch me out. I was wondering if you can write the...
October 5, 2013 by unknown

Pre-Algebra
Find each product or Quotient. Express using exponents. 1. The quotient of a to the 8th power and a to the 8th power? a 2. The quotient of -x to the 5th power and -x? -x to the 4th power 3. (15/5)(n to the 9th power/ n)? 3n go the 10th power Neutral water has a pH of 7. Each ...
January 18, 2011 by TiffanyJ

Chemistry
Are both the electron domain geometry and molecular geometry of HCN linear?
December 7, 2009 by Trish

geometry
Math - Plane Geometry. BC is a diameter of circle O, and radius OE is parallel to chord CD. Help?
May 23, 2011 by Brianna

geometry
how can you tell in geometry that the equations are parallel, perpendicular , neither, either?
September 25, 2010 by 14

Geometry
Anyone have the Amsco's geometry textbook and can help me out with some homework?
November 28, 2011 by Anita

Geometry
I Need help doing a geometry proof. In the figure below, PQ=RS. Prove PR=QS. ____________________ P Q R S
February 5, 2012 by Jennifer

geometry
Prove that the statement, “Rectangles do not exist,” is true in hyperbolic geometry.
February 20, 2013 by denise

math geometry
how can i prove in geometry proofs that something is a midpoint of a line? thanks
November 12, 2013 by Annie

Geometry
I need help unscrambling these geometry vocabulary words senligtacirpalse pitprceenostel nyenagliltuiqitrea gemhetrohnie
January 31, 2010 by Daisy

geometry
in elliptic geometry prove that the length of the summit of a saccheri quadrilteral is less than the base
May 4, 2011 by al

Please help on geometry - analytic geometry
What is the area, in square units, of a triangle whose vertices are at (4,-1), (10,3) and (4,5) ? How to do this?
February 22, 2013 by Knights

geometry
prove that The sum of the angles in any triangle is 180 degrees is true in Euclidian geometry.
February 26, 2013 by denise

Chemistry
What is the Lewis structure formula, electron pair geometry and the molecular geometry for SO4^2-
August 7, 2013 by rose

Geometry
Is anyone in connections academy? I need help with lesson 5 unit 4 geometry quiz polygons and angles Thank you
May 1, 2014 by Brenda

chem
what kind of e-pair geometry, molecular geometry, and bond angles does C4H10 exhibit? I'm confused.
May 5, 2008 by natash

Geometry
In geometry, a common standard setting for enlarging on a copy machine is 121 percent. What does this mean?
November 25, 2013 by Martha

geometry
what geometry figure begins and ends in the same point
January 28, 2009 by john smith

geometry
In geometry, can a counterexample be used to determine if a conjecture is false or not?
January 15, 2010 by erin

geometry
Can somebody help me with Proofs in Geometry Given:M<ABE=M<CBD
June 19, 2012 by Jay

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)...
June 25, 2008 by Sam

Geometry
In Euclidean geometry, the sum of the measures of the interior anglesof a pentagon is 540o. Predict how the sum of the measures of the interior angles of a pentagon would be different in spherical geometry.
June 22, 2012 by Dillon

CHEMISTRYYYY
Electron DOMAIN GEOMETRY & the MOLECULAR GEOMETRY of the following compounds: 1) ICl3 2) PCl3 3) XeF4 4) SF6 5) TeCl4
March 30, 2012 by BMW

Geometry
Help with Geometry please! Do you have any specific questions?
October 16, 2006 by Margie

geometry
Why don't parallel lines exist in elliptical geometry?
July 13, 2010 by BOB

geometry
prove that rectangles do not exist in hyperbolic geometry
March 13, 2013 by denise

science
Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet? Also is it the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th largest planet?
October 9, 2012 by Yog

CHEMMMMM
Find the Electron DOMAIN GEOMETRY & the MOLECULAR GEOMETRY of the following compounds: 1) ICl3 2) PCl3 3) XeF4 4) SF6 5) TeCl4
March 30, 2012 by BMW

8th grade
what is x-y=6
October 17, 2008 by german

8th grade
n+3=12
May 27, 2009 by andrew

8th grade
-5+(5)
October 20, 2009 by aj

8th grade
a=1m,b=3m
December 1, 2009 by Anonymous

8th grade
how do you do 9-y=1.5x?
December 10, 2009 by karen

8th grade
4+6x-9x=3x
August 26, 2010 by Dee

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

8th Math
-5x-10 = 2-(x+4)
August 25, 2013 by Cassidy

Math 8th gr.
27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
May 20, 2014 by Alexis De La Rosa

Math 8th gr.
27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
May 21, 2014 by Alexis De La Rosa

geometry
to all the people that helped me with my recent geometry questions thankyou my grade I received was 45 out of 50 points best I've ever done in my class.
January 13, 2011 by crystal

PLEASE HELP
whats a complimentery line? Thank you for using the Jiskha Homework Help Forum. If you are studying Geometry: http://astronomyonline.org/Science/Geometry.asp
August 15, 2007 by Sarahbeth

Algebra
In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. Of ...
January 11, 2010 by Anita

Geometry
Ok i don't understand this question on my Geometry test. It says: On days that it rains, I carry an Umbrella 1. Rewrite the above statement as a conditional Can someone help me here?
November 14, 2007 by Christina (:

geometry
if the midpoints of the sides of a parallelogram in succession are joined, the quadrilatral formed is a a parallogram. Prove this theorem in euclidean geometry using analytic techniques
April 4, 2013 by denise

math (geometry)
What is a good website that can help me with geometry?
March 3, 2008 by jonasgrl12

Geometry
In geometry what kind of algebra do you use?
September 10, 2010 by Samantha

geometry
In Geometry how do I calculate the precion of 14 meters?
August 21, 2012 by jane

geometry
why do rectangles not exist in hyperbolic geometry
February 18, 2013 by denise

8th grade
what is radiation
October 2, 2008 by ajibola

8th grade
what percent of 60 is 15
December 2, 2008 by kyle dougherty

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

8th grade
What is domain?
February 6, 2009 by Alice

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

8th grade
how do you simplify: 3x+6 ---- 3x^2
May 11, 2009 by katie

8th Grade Math
If x/y=4, x-y=9, and y-x=-9, what is x & y?
September 24, 2009 by Sarah

8th Grade Math
If x/y=4, x-y=9, and y-x=(-9) then what is x and y?
September 24, 2009 by Sarah

8th grade
20_140
September 25, 2009 by diana

8th grade
how do we learn./
January 20, 2010 by mat

8th grade
2/5 divided by 5/6
September 7, 2010 by wesley

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

8th grade
16y + 3=67
September 23, 2010 by Pam

8th grade
what is science
September 28, 2010 by mary

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

8th grade
solve 3m=8m
October 5, 2010 by nicole

8th grade
is 53 a monomial
October 11, 2010 by Johnston

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