Monday

April 21, 2014

April 21, 2014

Number of results: 21,551

**Geometry-8th gr**

Thanks.
*Thursday, January 31, 2013 at 6:46pm by Mona*

**Geometry-8th gr**

Thanks!
*Thursday, January 31, 2013 at 6:54pm by Mona*

**Geometry-8th gr**

Oh okay...thanks.
*Thursday, January 31, 2013 at 6:48pm by Mona*

**Geometry-8th gr**

Thanks.
*Friday, February 1, 2013 at 12:12pm by Mona*

**Geometry-8th gr**

Thanks.
*Friday, February 1, 2013 at 5:48pm by Mona*

**Geometry-8th gr**

Thanks!
*Friday, March 8, 2013 at 5:43pm by Mona*

**Geometry -8th gr**

Okay, I get it now:)...thanks.
*Friday, February 1, 2013 at 12:11pm by Mona*

**Geometry-8th gr**

Thanks. So the geometric mean for 16 and 9 is 4/3?
*Thursday, January 31, 2013 at 6:48pm by Mona*

**Geometry-8th gr - typo**

oops 5x+7x=84 x=7
*Friday, February 1, 2013 at 12:12pm by Steve*

**Geometry-8th gr**

top and bottom both factor, then we can cancel (x^2 + 4x - 12) / (x^2 - 4) = (x-2)(x+6)/((x+2)(x-2)) = (x+6)/(x+2)
*Friday, February 1, 2013 at 12:09pm by Reiny*

**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.
*Friday, February 1, 2013 at 12:09pm by Mona*

**Geometry-8th gr**

IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.
*Thursday, January 31, 2013 at 6:46pm by Mona*

**Geometry-8th gr**

The Circumference of a circle is equal to the area of the circle. Find the radius. Thanks.
*Friday, March 8, 2013 at 5:43pm by Mona*

**Another Question **

yes 8th grade in school besides since you graute gr 8th did you got any awards?
*Saturday, November 19, 2011 at 10:12am by Laruen *

**8th Grade**

for the project like I mean clubs to join. contests to partcipate and that any things I'm going to do for gr 8th
*Monday, December 5, 2011 at 8:15pm 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.
*Thursday, January 31, 2013 at 6:48pm by Mona*

**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.
*Friday, February 1, 2013 at 12:12pm by Mona*

**8th gr algebra**

Thank you
*Tuesday, October 28, 2008 at 11:15pm by angie13*

**Geometry-8th gr**

NOOO, the geometric mean is 12 I merely showed that 12 is correct and satisfied your given proportion a/x = x/b the 3 numbers are: 16 , 12 , 9 , with 12 as the geometric mean
*Thursday, January 31, 2013 at 6:48pm by Reiny*

**Geometry-8th gr**

16/x = x/9 , cross-multiply x^2= 144 x = √144 = 12 check: 16/12 = 4/3 12/9 = 4/3
*Thursday, January 31, 2013 at 6:48pm by Reiny*

**Geometry-8th gr**

ahhh, but y is not the size of the angle, Z is angle Z = 55 + y = 55 - 4/7 = 381/7° or appr 54.4° check: angle C = 28+x = 28+185/7 = 54.4°
*Thursday, January 31, 2013 at 6:54pm by Reiny*

**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.
*Thursday, January 31, 2013 at 6:54pm by Mona*

**Talent Search **

If you don't do talent search in gr 7th can I still do it in gr 8th???? Ok me and my friend are having a problem like she saying that I can't do it this year which I'm not but she said I can't do it next year. Ok that's unfair I'm going to do very well this year to do it. I'm ...
*Sunday, December 4, 2011 at 3:24pm by Laruen *

**8th gr. Algebra**

I am done with number 2. I kinda need the next equation
*Tuesday, October 28, 2008 at 4:25pm by Kelsie*

**8th gr. Algebra**

Ok. So what I got for my equation was n+2n+(n+5)=4.75. Is that right
*Tuesday, October 28, 2008 at 4:25pm by Kelsie*

**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
*Friday, February 1, 2013 at 12:11pm by Mona*

**8th grade**

This map has all of those mountains. Please note that they are not marked "Mt.". . ., but the are marked with triangles. http://www.sigmabooks.gr/maps_en_enGreece.html
*Sunday, September 13, 2009 at 9:04pm by Ms. Sue*

**Geometry-8th gr**

or, using the angle bisector theorem, AD/DC = AB/BC so, as Reiny calculated, AB/BC = 5/7 AD+BC = 84 5x+12x=84 x=7 so, AB = 35 BC = 49
*Friday, February 1, 2013 at 12:12pm by Steve*

**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.
*Friday, February 1, 2013 at 5:48pm by Mona*

**Valedictorian/Salutatorians ????**

ok Thank You!!!! Becuzz I thought we get thos in gr 8th but I was wrong we give out president education awards (gold or silver).
*Saturday, November 19, 2011 at 1:45pm by Laruen *

**Physics**

And the answer is still wrong, you have the wrong formula and forgot 9.81 as surface grav. Gr=R^2/R^2 * G Gr= (6378^2/6598^2) *9.81 Gr= 9 . 166 708 367 IDK about the percent thing
*Saturday, January 22, 2011 at 10:44am by BobSheldon*

**8th gr. Transition Math**

A rotation id described by it's ____ and ____?
*Tuesday, March 22, 2011 at 4:30pm by Jaydirah*

**8th gr. Algebra**

I don't get what you mean but substitute numbers for other numbers.
*Tuesday, October 28, 2008 at 4:25pm by Anonymous*

**8th gr. Algebra**

#3 is the same type of problem and its worked the same way. I'll leave that for you after you have finished with #2.
*Tuesday, October 28, 2008 at 4:25pm by DrBob222*

**Geometry-8th gr**

Circumference = 2 times pi times r Area = pi times r-squared If Area = Circumference, then.. (2)(pi)(r) = (pi)(r^2) Divide both sides by r 2(pi) = (pi)(r) Now, solve for r by dividing both sides by pi.
*Friday, March 8, 2013 at 5:43pm by Dr. Jane*

**math**

there is a graph, and the title is Students who dress up for spirit week.60 grade 7 boys did,70 grade 7 girls did,70 grade 8 boys did, and 80 gr 8 girls did. the question is what this graph is showing. I put the graph is showing how many gr 7 boys dressed up for spirit week, ...
*Saturday, January 31, 2009 at 10:46pm by beeca*

**Geometry-8th gr**

from 3a + 2b , b = 3a/2 then in 4b = 9c 4(3a/2) = 9c 6a = 9c a/c = 9/6 = 3/2 a:c = 3:2 or: double the first: 6a = 4b but 4b = 9c so 6a = 9c a/c = 9/6 = 3/2
*Thursday, January 31, 2013 at 6:46pm by Reiny*

**8th gr algebra**

joan invested some money in bonds at 6% and $8000 less that in stocks at 5% .her total intrest is $1690. how much was invested in stocks? help please.
*Tuesday, October 28, 2008 at 11:15pm by angie13*

**Geometry-8th gr**

In similar triangles, the corresponding angles are equal, so angle A = angle x 2x+5y = 50 in triangle ABC, angle C = 180 - 50 - (102 - x) = 28+x then angle C = angle Z 28+x = 55+y x - y = 27 or y = x-27 sub that into the 1st equation 2x + 5(x-27) = 50 7x = 50+135 x = 185/7 ° ...
*Thursday, January 31, 2013 at 6:54pm by Reiny*

**Calculus**

a) h = 10(.75)^n that is basically what you had b) d = 10 + 10(.75)^1 + 10 (.75)^2 + 10(.75)^3 .... In other words I sort of agree with you c) This is a geometric series like a compound interest problem in general g + gr + gr^2 + .... gr^(n-1) Sn = [ g (1-r^n ]/ (1-r) here g...
*Wednesday, April 15, 2009 at 9:55am by Anonymous*

**Physics helpp**

F-F(gr) = ma a= {F-F(gr)}/m = =(15-10)/15=0.33 m/s² (upward)
*Tuesday, May 14, 2013 at 10:49am by Elena*

**Geometry -8th gr**

very similar to the one I did for you yesterday. draw the two triangles and fill in the information. 5x + 7y = 75 ---- equation #1 In triangle AC angle C = 180 - 75 - 2x - 9y = 105 - 2x - 9y 3x+4y = 105 - 2x - 9y 5x + 13y = 105 --- #2 subtract #2 - #1 6y = 30 y = 5 back into #...
*Friday, February 1, 2013 at 12:11pm by Reiny*

**Geometry-8th grade**

it's correct~ :)
*Monday, March 7, 2011 at 9:43pm by jai*

**math**

m=mass[gr] V=Volume[cm^3] rho=densty[gr/cm^3] 1cm=10mm 1mm=1/10 cm 1mm^3=(1/10)^3=1/1000=0.001cm^3 V=20*0.001=0.02 cm^3 m=V*rho=0.02*3.52=0.0704 gr P.S. rho is small Greek letter rho
*Wednesday, April 6, 2011 at 10:22pm by Anonymous*

**Geometry, not "8th grade"**

Assistance needed.
*Monday, November 10, 2008 at 7:17pm by Writeacher*

**8th gr algebra**

Let X be the amount invested in bonds X - 8000 is invested in stocks. Interest earned (per year) is 1690 = .06X + .05 (X-8000) = 0.11X - 400 Solve for X, then subtract 8000 from that (for stocks).
*Tuesday, October 28, 2008 at 11:15pm by drwls*

**organic chemistry**

No. The ethanol would quench the Grignard reagent if the GR was added separately, or the GR would not form if carried out in ethanol.
*Friday, February 27, 2009 at 12:21am by Dr Russ*

**6th gr GRAMMAR**

Cory -- why is your subject 6th gr GRAMMAR when the question was from SAT? This was misleading and deceptive.
*Friday, October 17, 2008 at 5:34pm by Ms. Sue*

**Math !!!!!!!! **

I already did that you did wazzz Part A i needed help on Part B but thx for helping Good Luck in gr. 8th Do well so that way you go high level classes easily in high skool by the way i'm in 7th grade (well right now cuz i start 7th grade this wednesday)
*Monday, September 5, 2011 at 4:33pm by Gen*

**Geometry-8th grade-Please delete**

I accidentally posted three of these because I didn't think it was going through I'm sorry
*Monday, March 7, 2011 at 9:45pm by Anna-Please *

**math**

A medication is available in 30mg. tablets. A patient is given a prescription for gr. ii. How many tablets should the patient take? I am not sure how to work this problem out, and i am confused on the gr. ii. part, i do not know what it means, please help. thank you
*Tuesday, September 4, 2012 at 4:50pm by Angel*

**math, medical**

A medication is available in 30mg. tablets. A patient is given a prescription for gr. ii. How many tablets should the patient take? I am not sure how to work this problem out, and i am confused on the gr. ii. part, i do not know what it means, please help. thank you
*Tuesday, September 4, 2012 at 5:08pm by Angel*

**GENETIC HYPOTHESIS**

AIM:TO DETERMINE THE NUMBER OF GR.10-12 THAT CAN ROLL THEIR TONGUE(rollers) AT SCHOOL. 1)fomulate a hypothesis. MY ANSWER:GR.11 HAS M0RE LEARNERS THAT CAN ROLL THEIR TONGUE (is it correct and any tips to master ths)
*Tuesday, March 25, 2014 at 3:07pm by EMIHlE*

**9th Grade Classes **

I was reading my school district program of studies and I found this section in for high school coures. - English 9H - Integrated Algebra A - Earth Science - Global History and Geography I or H - French Beg. 1 - Orchestra (a days)/ Health (b days) - Studio Art I - African ...
*Sunday, December 18, 2011 at 5:36pm by Laruen *

**8TH GRADE MATH EXPRESSIONS**

CAMERON IS IN 8TH ASUNTE IS IN 5TH THIS PROBLEM IS 8TH GRADE MATH.YES I NEED TO EXPRESS IT INTO MATH TERMS. TY
*Thursday, August 23, 2012 at 8:45pm by CAMERON*

**math GR.8!!!**

http://www.math.com/tables/geometry/surfareas.htm
*Tuesday, December 10, 2013 at 9:14pm by Ms. Sue*

**Geometry-8th gr**

I assume the bisector of angle L is LN where N is on KM In the Post http://www.jiskha.com/display.cgi?id=1359738761 I proved for you , and Steve called it, the angle bisector theorem In this case: KL/KN = LM/MN 11/(x-4) = (2x+1.3)/5.4 2x^2 - 6.7x - 5.2 = 59.4 2x^2 - 6.7x - 64....
*Friday, February 1, 2013 at 5:48pm by Reiny*

**physics**

Newton’s 2nd law vector(ma) = vector(mg ) +vector( N) +vector(Ffr) Projections: ma=F(fr) 0=N-mg mv²/r =μN N=mg mv²/r = kN = μmg μ=v²/gr. tanα =F(fr)/N = μmg/mg = μ = v²/gr. v=sqrt{gr•tanα} T=2πR/v= 2πR/ sqrt{gr•...
*Sunday, July 28, 2013 at 9:36pm by Elena*

**science gr.8 science fair topic ideas**

what are some ideas for science fair projects gr.8?!?! and please give an experiment with it thank u!!
*Thursday, January 23, 2014 at 10:30pm by smiley*

**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.
*Wednesday, February 22, 2012 at 10:53pm by Anonymous*

**Geometry-8th gr**

This is a very tough question for grade 8, I am totally impressed. make your sketch, let AB = a BC = b BD = x Angle B = 2Ø , so that angle ABD = Ø and angle BCD = Ø I am going to use the fact that if we have triangle with sides a and b with Ø the angle between them the area...
*Friday, February 1, 2013 at 12:12pm by Reiny*

**8th Grade **

is it a high award for some 8th graders who get good grades ?
*Saturday, November 19, 2011 at 1:05pm by Laruen *

**8th Grade **

Whta is a verctorican (srry i can't spell that) award when the 8th graders get one?????
*Saturday, November 19, 2011 at 1:05pm 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!
*Tuesday, December 2, 2008 at 10:43pm by girl*

**8th grade MATH**

3 tarm 8th quesaons
*Wednesday, March 25, 2009 at 7:13pm by rahul *

**8th Math - Probability**

no this is 8th grade math im in 8th grade and this is what were learning
*Tuesday, April 2, 2013 at 4:50pm by Nisabel*

**Another Question **

Each grade gets tougher as you go allow. For me 8th grade was not that bad. The grades that you get in 8th grade do not go towards your high school gpa unless you are taking a high school credit course. But, even so, you still want to try your best! If you are in 8th grade or...
*Saturday, November 19, 2011 at 10:12am by rachel*

**8th gr. Algebra**

Let n = # nickels. Let d = # dimes. Let q = # quarters. ===================== Helen has twice as many dimes as nickels; therefore, 2n=d Helen as five more quarters than nickels; therefore, n+5 = q Finally, the value is 4.75 if we add all of it together; so 0.05n + 0.10d + 0....
*Tuesday, October 28, 2008 at 4:25pm by DrBob222*

**Geometry - missing information**

We do not see the statement for which a counter example is not supposed to exist. We do not see the series/sequence whose 7th and 8th terms are to be found. Please complete the question(s).
*Wednesday, August 31, 2011 at 6:31pm by MathMate*

**Geometry - 8th grade**

Total Degrees = (N-2)*180 = (5-2)180=540 Missing Angle = 540-(85+110+135+95)=115o
*Thursday, January 16, 2014 at 8:51pm by Henry *

**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...
*Tuesday, August 30, 2011 at 4:39pm by SoccerStar*

**French (need a website link quick question)**

Can you get this practice test? http://www.laits.utexas.edu/tex/gr/int5.html If not, I'd be happy to make up a quiz for you. Sra (aka Mme)
*Monday, October 4, 2010 at 7:17pm by SraJMcGin*

**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 ...
*Thursday, January 16, 2014 at 8:51pm by Larkin*

**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 ...
*Monday, December 5, 2011 at 8:15pm by Laruen *

**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.
*Friday, September 9, 2011 at 7:43am by gail*

**8th grade**

The School Subject is definitely NOT 8th grade. If it is math, state that and you will get better help faster. Sra
*Friday, April 23, 2010 at 10:38pm by SraJMcGin*

**8th grade**

4 x 4 + 1 (the top) = 17? Sra 8th grade is NOT the School Subject. Is it MATH? If so, please state that.
*Wednesday, September 15, 2010 at 8:22pm by SraJMcGin*

**8th grade**

Maybe you should just make it as math instead of 8th grade. I suggest you post it agin.
*Monday, November 15, 2010 at 10:41pm by Abby*

**Language Arts**

http://galev06.physics.uoc.gr/daedalus.html
*Wednesday, October 9, 2013 at 7:21pm by Ms. Sue*

**8th grade**

Please select the School Subject carefully. 8th grade will not get the proper teacher to read and answer your post. Sra
*Monday, November 15, 2010 at 10:41pm by SraJMcGin*

**8th grade**

8th grade is NOT the School Subject. Select that carefully so the right teacher will read and answer y our post. Sra
*Saturday, December 11, 2010 at 1:01am by SraJMcGin*

**8th gr. Algebra**

Interesting-- some of your problems are similar to the ones that are stumping me! Maybe you would know some of mine. They are a few ones below yours, under Algebra by Celina. I'll try to help you. #1, I can't help you with. For #2 and #3, I would choose one of the coins as a ...
*Tuesday, October 28, 2008 at 4:25pm by Celina*

**8th grade math**

You're welcome. I can't believe it either. I didn't learn the quadratic in the 8th grade for sure.
*Thursday, February 7, 2008 at 9:52pm by drbob222*

**Gr. 3 Math**

My son brought home overdue work and I am having a problem with it - lol - gr. 3. 1. Brodie wants to show his mother that he did not track mud into the house. a) how can he prove the tracks are not his? b) Will his mother agree why or why not. They show two foot prints in a ...
*Saturday, March 15, 2008 at 1:31pm by Rebecca*

**8th grade**

Please identify the School Subject correctly (MATH, for example, Algebra, etc.) for the correct teachers to read and answer your post. 8th grade will not do it. Sra
*Wednesday, November 17, 2010 at 8:02pm by SraJMcGin*

** VB programming**

This problem is creating code for a line chart. - Write a program to create the line chart. Use Table in 9.6: Table 9.6] Two -year college enrollments (in thousands). 1960 1970 1980 1990 2000 ---------------------------------- Male 283 1375 2047 2233 2398 Female 170 945 2479 ...
*Wednesday, December 1, 2010 at 6:19am by Lee*

**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 =]
*Tuesday, February 8, 2011 at 8:03pm by Kate*

**8th grade math**

http://www.math.com/tables/geometry/surfareas.htm#rec
*Monday, April 5, 2010 at 9:08pm by Ms. Sue*

**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 =]
*Tuesday, February 8, 2011 at 6:47pm by Kate*

**8th grade**

What is the School Subject? It is not 8th grade. And of which boundary are you speaking? Sra
*Thursday, December 16, 2010 at 11:07pm by SraJMcGin*

**8th gr. Algebra**

#1. Let B = weight of the empty bucket. Let x = weight of the water =========================== B + x = 8 kg Weight of water is 5 times the weight of the empty bucket; therefore, x = 5B. Substitute 5B for x and solve for B, then x. You can go through the algebra but I have 1....
*Tuesday, October 28, 2008 at 4:25pm by DrBob222*

**History**

What was happening around 400 B.C. in Athens? How might that affect traditional philosophy? http://www.anagnosis.gr/index.php?pageID=234&la=eng
*Tuesday, January 4, 2011 at 9:39pm by Ms. Sue*

**Math**

Help me please to simplify 8 to 8th power x 8 negative 8th power
*Sunday, February 6, 2011 at 2:19am by Tiffany*

**Physics**

Your definition of gr is incorrect. The mass of the object stays the same but the value of the acceleration decreases with altitude. All you have to do is apply the formula gr = (R^2/r^2) * g The value of r 220 miles above the earth's surface is r = 220 + R, where R = 3959 ...
*Saturday, January 22, 2011 at 10:44am by drwls*

**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
*Sunday, November 29, 2009 at 2:42pm by jazmine*

**writing**

You're in 8th grade. You can certainly at least try to answer those questions. Is 8th grade going to be too hard for you? Maybe you should rethink your dreams of going to college for 8 years or so.
*Wednesday, August 15, 2012 at 4:45pm by Ms. Sue*

**8th grade**

I sad you are going to call me no you thick huh cashtina huh right now they are is that to me and that is that to my answer my qusday to me need me that is a need the annsment when you do the 8th garde when is that done on the ting goodbuye
*Monday, January 18, 2010 at 9:18pm by chistina *

**8th grade**

timmy or bryce or 8th grade or whoever, There is no need to keep posting questions in different names. In addition, you need to indicate what YOU THINK and what work YOU HAVE DONE so that a math teacher can help you.
*Thursday, August 19, 2010 at 5:36pm by Writeacher*

**8TH GRADE MATH EXPRESSIONS**

Asunte/Cameron -- are you in 5th or 8th grade? How would you express this in math terms?
*Thursday, August 23, 2012 at 8:45pm by Ms. Sue*

**Art**

The first word that comes to my mind is "power." http://www.britishmuseum.org/explore/highlights/highlight_objects/gr/d/discus-thrower_discobolus.aspx
*Friday, June 8, 2012 at 10:30pm by Ms. Sue*

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