Wednesday

April 23, 2014

April 23, 2014

Number of results: 71,841

**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*

**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*

**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*

**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*

**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*

**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*

**GR.12 DATA MANAGEMENT**

I GOT IT!!!!!!! [10!/(2!2!) - (9!/2!2!)]+[(2)(10!/2!2!2!) - [(2)(9!/2!2!2!)]=1632960
*Wednesday, June 16, 2010 at 5:15pm by Maggie*

**Science!! Please HELP**

If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate. Given this growth rate, ...
*Tuesday, October 6, 2009 at 10:10pm by Rani*

**chemistry**

so I would set it up like 4g ? ---- ----- 10L 2.5L so i did 4 x 2.5 = 10 / 10 = 1 gr. is this right?
*Friday, January 28, 2011 at 1:10pm by wendy*

**Gr. 10 Math**

2x^2 - 3xy + 4y^2 for x=2, y=-1 My Answer: (2(2^2)) - (3*2*-1) + (4(-1^2)) = 10 8-(-6)+4(1)=14+4=18 The text book is correct.
*Tuesday, April 20, 2010 at 2:24am by Dr Russ*

**Math**

gr has it right 9 * 10^-10
*Tuesday, December 16, 2008 at 1:19am by Damon*

**GR.10 CIVICS!**

thank you!!
*Saturday, May 30, 2009 at 7:59pm by MINONO*

**GR.10 CIVICS!**

You're welcome.
*Saturday, May 30, 2009 at 7:59pm by Ms. Sue*

**Gr.10 History !!!**

NOO HELP
*Monday, April 20, 2009 at 5:00pm by nini*

**science gr. 10**

URGENT! PLEASE HELP ME!! :) Thanks!
*Wednesday, November 19, 2008 at 11:07pm by sarah*

**science gr. 10**

THANK YOU DR BOB!
*Wednesday, November 19, 2008 at 11:07pm by sarah*

**Gr.10 Math!!!! urgent**

thnkss, 1.)??
*Monday, April 6, 2009 at 9:28pm by nini*

**gr.10 mathh!**

What are the factors of 1000
*Saturday, September 19, 2009 at 2:08am by Joe*

**gr 10 english**

political power
*Tuesday, September 7, 2010 at 3:05pm by Rebecca*

**gr 10 math**

2000 * 0.07 = ?
*Thursday, March 10, 2011 at 8:48pm by Ms. Sue*

**gr 10 math**

How do you know when to divide and when to multiply?
*Thursday, March 10, 2011 at 8:48pm by Rebecca*

**3rd gr math - Tenths**

0.3 3/10
*Wednesday, June 1, 2011 at 10:03pm by Aasser*

**Gr 10 Chemistry**

we will be happy to check your thinking.
*Sunday, November 9, 2008 at 6:43pm by bobpursley*

**GR.12 DATA MANAGEMENT**

3 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2, i think
*Wednesday, June 16, 2010 at 5:15pm by Jen*

**calculus (gr 12)**

v = 45 - 10t a = -10
*Wednesday, April 17, 2013 at 9:43pm by Reiny*

**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*

**Gr.10 Math!!!! urgent**

for 1.) what formula are u using though?
*Monday, April 6, 2009 at 9:28pm by nini*

**Gr. 10 CIVICS!!!!please HELP!! :(**

See my answer below.
*Friday, May 1, 2009 at 10:39pm by Ms. Sue*

**Gr 10 math - finding slopes in shapes**

Thank you, Steve.
*Sunday, March 23, 2014 at 8:38pm by iza*

**POPULATION**

If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate. Given this growth rate, ...
*Tuesday, October 6, 2009 at 11:16pm by Anonymous*

**gr 10 math**

calculate the interest earned in 1 year on $2000 at 7%.
*Thursday, March 10, 2011 at 8:48pm by Rebecca*

**gr 10 math**

how would i solve this by using a linear system?
*Thursday, March 10, 2011 at 8:48pm by Rebecca*

**3rd gr math - Tenths**

9 1/10 = mixed number 9.1 = decimal
*Wednesday, June 1, 2011 at 10:03pm by Writeacher*

**gr.10 math**

arrange the first equation to x = y-5 sub replace the x in the second equation with that expression 2x-y=-7 2(y-5) - y = -7 2y - 10 - y = -7 y = -7 + 10 y = 3 , now let's put that back into x = y-5 x = 3 - 5 x = -2 so x = -2, y = 3 check in the first: is -2 - (3) = -5 ? , yes...
*Monday, February 16, 2009 at 5:56pm by Reiny*

**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*

**gr. 10 physics **

I must find the speed of an object, the infermation that is given to me is:n height: 0.10 kinetic energy: 0.50 time travel o.72 (m/s squared). i belive that speed = 0.3... is this correct?
*Tuesday, February 9, 2010 at 7:26am by Emily*

**Math-Gr.11 urgent**

for t(10)= a+9d .. where did you get the 9 from? & can you explain how you got 710? thank you
*Sunday, January 4, 2009 at 10:58pm by Mae*

**Gr.10 Math!!!! urgent**

Did that make sense? were you able to solve #1 and understand #2?
*Monday, April 6, 2009 at 9:28pm by Riley*

**gr 10 art**

what are the seven ways to portary depth or distance on a 2-d surface?
*Friday, June 12, 2009 at 8:17pm by Mary*

**Physics Gr.11**

distance fell is proportional to time squared. what is 10^2 and 1^2
*Sunday, April 18, 2010 at 5:03pm by bobpursley*

**Gr 10 math - finding slopes in shapes**

correct. -3/-4 = (-1)(3) / (-1)(4) = 3/4 The -1's cancel out
*Sunday, March 23, 2014 at 8:38pm by Steve*

**Gr. 10 Math**

Evaluate each expression for the given value(s) of the variable(s). 2x^2 - 3xy + 4y^2 for x=2, y=-1 My Answer: (2(2^2)) - (3*2*-1) + (4(-1^2)) = 10 Text Book Answer: 18 Please help. Am I doing something wrong? I redid the expression 3 times and still got 10. But why textbook ...
*Tuesday, April 20, 2010 at 2:24am by John*

**Science - gr. 10 physics**

How do you find displacement when given a velocity/time graph?
*Monday, January 5, 2009 at 7:40pm by Jake*

**Science - gr. 10 physics**

Calculate the area under the velocity-time graph.
*Monday, January 5, 2009 at 7:40pm by GK*

**gr 10 english**

my laptop will only let me open 2 out of all the websites on the page
*Tuesday, September 7, 2010 at 3:05pm by Rebecca*

**physics**

mg = GmM/R^2 M=gR^2/G, where g=9.8 (m/s^2) , gravitational constant G = 6.67•10^-11 (m^3•kg^-1•s^-2)
*Monday, April 2, 2012 at 5:27pm by Elena*

**Physics**

How many calories it take to elevate the temperature of 10 gr of water-from 26C to 50C?
*Monday, October 22, 2012 at 3:07pm by Martha*

**Gr. 10 CIVICS!!!!please help again! :(**

Doesn't voting illustrate communicating and participating in important issues?
*Friday, May 1, 2009 at 10:49pm by Ms. Sue*

**gr 10 english**

can someone help me find an article on "power" in the newspaper, particulary somewhere in Ontario?
*Tuesday, September 7, 2010 at 3:05pm by Rebecca*

**Gr 10 math - finding vertices**

I know how to do the equation for one line in a shape, but how do I find them for two?
*Tuesday, April 8, 2014 at 7:13pm by iza*

**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*

**gr.10 math**

solve the linear system using substitution. please show me the steps!:) x-y=-5 2x-y=-7
*Monday, February 16, 2009 at 5:56pm by saira*

**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*

**gr.10 physics**

could someone please help me with this? Rearrange and simplify for r when A=3.14r^2 by the way, 3.14 is supposed to be pi, but i don't know how to write it...
*Wednesday, December 10, 2008 at 7:34pm by slappy*

**Gr 10 science**

I can't find a picture to build a model of calcium sulphate using styrofoam ball pls help
*Sunday, March 31, 2013 at 12:25pm by Kim*

**calculus (gr 12)**

the productivity of a person at work (on a scale of 0-10) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in hours. If the person starts work at t=0, being 8:00 am, at what times is the worker the least productive? a) 12pm B) 10 am and 2pm C) 11 am and 3 pm D) 10...
*Tuesday, May 14, 2013 at 11:00am by Maria*

**gr.10 mathh!**

factor the equation: -6x^2+15x+36 please show me the steps in answering this problem. thanksss..)
*Saturday, September 19, 2009 at 2:08am by Saira*

**Physics - KE**

In Figure 11-32 (which shows a ball at the top of an incline, at the bottom of the incline a loop begins with radius R and Q a point on the loop lined up with the center of the loop), a solid brass ball of mass m and radius r will roll without slipping along the loop-the-loop...
*Tuesday, March 27, 2007 at 6:18pm by COFFEE*

**Gr. 10 math**

Factor by Grouping.please show me the steps!!!!!!! 1.) y2+11y+30 2.) x2+4x-5 3.) a2-a-56
*Monday, April 6, 2009 at 4:34pm by Nini*

**Gr. 10 Math!**

Factor by Grouping. PLEASE SHOW ME THE STEPS! 1.) 8a^2+12ab-3b^2-2ab 2.) x^2+5x+7x+35 3.)
*Monday, April 6, 2009 at 8:58pm by nini*

** 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*

**Gr.10 Math!!!! urgent**

Factor by Grouping. PLEASE SHOW ME THE STEPS! 1.) 8a^2+12ab-3b^2-2ab 2.) x^2+5x+7x+35
*Monday, April 6, 2009 at 9:28pm by nini*

**advanced functions. gr.12**

2^2x+ 3(2^x) - 10 = 0 6^2x-2(6^x)-15=0 3^4^5^x =336
*Tuesday, August 11, 2009 at 3:25pm by ashley*

**gr 10 math**

I don't know. Please click Post a New Question and ask your question.
*Thursday, March 10, 2011 at 8:48pm by Ms. Sue*

**5 gr math**

1 century = 100 years 1 decade = 10 years
*Wednesday, June 6, 2012 at 12:42pm by Ms. Sue*

**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*

**physics**

1 g = 0.03527396194958 oz. 1.75•10⁶ gr = 61729.4334117660 oz
*Sunday, September 23, 2012 at 10:04pm 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*

**gr 10 math**

x^2 - 7x + 12 = 0 The 12 can factor into -3 and -4 to add to -7 in the middle term. (x-3)(x-4) = 0 x = 3 or 4.
*Tuesday, May 31, 2011 at 11:37am by PsyDAG*

**calculus (gr 12)**

F(-2) = 2*(-2)^3 + 4*(-2)^2 -5*(-2) + 8 F(-2) = -16 + 16 + 10 + 8 = 18.
*Wednesday, April 17, 2013 at 9:33pm by Henry *

**calculus (gr 12)**

cos has max at t=0 cos(pi/2 t) has period 4 cos has min at 1/2 the period. so, f(0) (8am) = 5*1+5 = 10 f(1) (9am) = 5*0+5 = 5 f(2) (10am) = 5*(-1) + 5 = 0 ... least productive at 10:00,14:00,... (B)
*Tuesday, May 14, 2013 at 11:00am by Steve*

**gr 10 english**

i searched for about 20 minutes on google for a good article, but i still couldnt find one. could i get some more help please?
*Tuesday, September 7, 2010 at 3:05pm by Rebecca*

**gr 10 math**

You can tell by estimating your answer. You know that 10 percent of 2,000 is 200. Your percentage is less than 200. 2000/0.07 = 28,571.43 2000 * 0.07 = 140 You want to know what 7% of 2000 is. "Of" always means to multiply.
*Thursday, March 10, 2011 at 8:48pm by Ms. Sue*

**Physics - KE**

In Figure 11-32 (which shows a ball at the top of an incline, at the bottom of the incline a loop begins with radius R and Q a point on the loop lined up with the center of the loop), a solid brass ball of mass m and radius r will roll without slipping along the loop-the-loop...
*Tuesday, March 27, 2007 at 8:41pm by COFFEE*

**Gr 10 math - finding vertices**

whatever you do for one line, do for the other. If you have two points, they define a line.
*Tuesday, April 8, 2014 at 7:13pm by Steve*

**Science - gr. 10 physics**

I HATE PHYSICS
*Monday, January 5, 2009 at 7:40pm by POOPEE*

**GR.10 MATH.**

i want to noe what is the DIFERENCE between partial and complete factoring. an e.g of a partial factoring problem is y=2x^2+8x+5 an e.g of complete factoring is y=x^2+3x-10
*Monday, April 27, 2009 at 12:53am by nini*

**Gr. 10 CIVICS**

being informed n getting involved means people communicate about and participate in important issues... i need a picture that represents or fulfills this. thanks
*Friday, May 1, 2009 at 10:33pm by ARIAS*

**Gr 10 Chemistry**

What is the balanced skeleton equation of Calcium hydroxide+ Phosphoric acid --> Calcium phosphate+ Water
*Sunday, November 9, 2008 at 6:43pm by Pie*

**math gr.10**

They are 5 meters wide a piece which would give you 350 m^2. You then take away 25 meters for where they cross.
*Wednesday, May 11, 2011 at 7:57pm by Rick*

**physics**

g =8.71 N/kg. h = 150 000 m=1.5•10^5 m R= 8.71•10^7 m. (a) g = G•M/(R+h)². M = gR²/G, where the gravitational constant G =6.67•10^-11 N•m²/kg², (b) gₒ = G•M/R². (c) m•gₒ.
*Tuesday, May 15, 2012 at 7:35pm by Elena*

**gr 10 math**

a) If (x+7)(x-4) = 0 then x = -7 or 4. d) x = -4 Yes, you did a and d right, but carry it out all the way. f) (3x-2)(3x+2) = 0 I don't have the time to deal with the remaining problems.
*Tuesday, May 31, 2011 at 11:18am by PsyDAG*

**PHYSICS**

First calculate the speed of the moon in its orbit, V. V^2/D = g*(R/D)^2 (the value of g at the moon's location) V^2 = g*R^2/D = 1.045*10^6 m^2/s^2 V = 1022 m/s V = 2 pi D/P P (the period) = 2 pi D/V = 2.361*10^6 s = 27.3 days Note that D and R had to be in meters, not km, for...
*Friday, January 13, 2012 at 11:11am by drwls*

**Math**

Mary has an order to be given Atropine gr. 1/150 sc on call from the O.R. The O.R. has called for Mary, so you need to prepare her injection right away. The label states : Atropine 0.4 mg/ml. How many ml are you to administer?0.35 ml0.5 ml1 ml1.5 ml Maggie has Morphine sulfate...
*Monday, October 27, 2008 at 1:38am by Jennifer*

**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 *

**gr 10 math**

Solve by factoring. a) x^2 + 3x - 28 = 0 (x+7)(x-4) d)x^2 + 8x + 16 = 0 (x+4)(x+4) f)9x^2 - 4 = 0 i)8k^2 - 3k = 0 k)x^2/6 - x + 4/3 = 0 did i do a and d right? Can you show me how to solve the rest?
*Tuesday, May 31, 2011 at 11:18am by Rebecca*

**Gr. 10 CIVICS!!!!please help again! :(**

being informed n getting involved means people communicate about and participate in important issues... i need a picture that represents or fulfills this. thanks
*Friday, May 1, 2009 at 10:49pm by ARIAS*

**Physics Gr.11**

How much farther does a free falling object fall in 10 seconds than in 1.0 seconds? (divide one distance by the other to get the ratio)
*Sunday, April 18, 2010 at 5:03pm by NINI*

**Gr 10 math - finding slopes in shapes**

Is the slope 3/4 the same as -3/-4? In other words, do the negatives cancel each other out and become a positive number? Thanks!
*Sunday, March 23, 2014 at 8:38pm by iza*

**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*

**Gr. 10 CIVICS!!!!please help again! :(**

i need important issues in canada. lol like some sort of organization that's having a meeting ..that kind of thing:)))) hope u have other ides.thanks
*Friday, May 1, 2009 at 10:49pm by ARIAS*

**GR.10 CIVICS!**

can someone please give me a direct link to a picture that protrays or is related to the britsh parliament passing the Statute Of Westminister Act to Canada in 1931. thankss .. realli URGENT
*Saturday, May 30, 2009 at 7:59pm by MINONO*

**Gr. 10 CIVICS!!!!please help again! :(**

yess but i already used voting for my other element. i need a different picture for my project. i hope u have other ides.. thanks:)
*Friday, May 1, 2009 at 10:49pm by ARIAS*

**Gr. 10 math**

what multiples to the last term, and add to the second? 1) 6,5 2) 5,-1 3) -8,7 Notice when signs are different, you place the sign of the middle term on the larger So, on 3, for instance...the answer is.. (x-8)(x+7) you do the others, I will check if you need it.
*Monday, April 6, 2009 at 4:34pm by bobpursley*

**Gr.12 Data Management**

clearly the first digit must be the 3, so there are only the other 5 digits to arrange. we have 3 alike of one kind and 2 alike of another, so the number of ways = 1(5!)/(3!2!) = 10
*Wednesday, September 23, 2009 at 8:53pm by Reiny*

**physics**

F(el)=k•q²/r² k =9•10^9 N•m²/C² F(gr) =G•m²/r² G =6.67•10^-11 N•m²/kg², k•q²/r² = G•m²/r², q =sqrt(G•m²/k)
*Thursday, October 11, 2012 at 8:14pm by Elena*

**gr.10 physics**

This is not physics. It is basic algebra. Divide both sides of the equation by pi r is the square root of (A/pi)
*Wednesday, December 10, 2008 at 7:34pm by drwls*

**science gr. 10**

Predict the products. Ba(s) + O2 (g) -> ???? SO2 (g) -> ??? (On the sheet it says the products are elements for this particular equation)
*Wednesday, November 19, 2008 at 11:07pm by sarah*

**Gr 11 - math linear systems**

(10-2)x - 2000 = $16,000 8x - 2000 = 16000 8x = 18000 X = 2,250 Tickets.
*Tuesday, March 11, 2014 at 9:24pm by Henry *

**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*

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