Number of results: 230,801
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
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
Math
gr has it right 9 * 10^-10
Tuesday, December 16, 2008 at 1:19am by Damon
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
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
gr 10 math
How do you know when to divide and when to multiply?
Thursday, March 10, 2011 at 8:48pm by Rebecca
Gr.10 Math!!!! urgent
thnkss, 1.)??
Monday, April 6, 2009 at 9:28pm by nini
gr 10 math
2000 * 0.07 = ?
Thursday, March 10, 2011 at 8:48pm by Ms. Sue
math
No the answer should have 10 zeros. When you multiply two same numbers their exponents are added. so 10^6.10^4 = 10^(6+4). when it is like this (10^6)^4 then you multiply exponents and get 10^24. so answer is 60,000,000,000
Tuesday, December 16, 2008 at 12:59am by gr
Gr.10 Math!!!! urgent
for 1.) what formula are u using though?
Monday, April 6, 2009 at 9:28pm by nini
3rd gr math - Tenths
9 1/10 = mixed number 9.1 = decimal
Wednesday, June 1, 2011 at 10:03pm by Writeacher
gr 10 math
how would i solve this by using a linear system?
Thursday, March 10, 2011 at 8:48pm by Rebecca
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!!!! urgent
Did that make sense? were you able to solve #1 and understand #2?
Monday, April 6, 2009 at 9:28pm by Riley
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
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 ? , ...
Monday, February 16, 2009 at 5:56pm by Reiny
Math correct
1.945*10^10 and yes your polynomial is correct.
Tuesday, December 16, 2008 at 11:28am by gr
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
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
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
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 ...
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
Math correct
your first answer is right except the second term which should be 5x^3. And writing in scientific notation, when moving decimal to left, exponent is negative, so correct answer will be 1.945*10^-10
Tuesday, December 16, 2008 at 11:28am by gr
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
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
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
5 gr math
1 century = 100 years 1 decade = 10 years
Wednesday, June 6, 2012 at 12:42pm by Ms. Sue
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
GR.10 CIVICS!
thank you!!
Saturday, May 30, 2009 at 7:59pm by MINONO
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
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
Math
You move decimal place after first significant figure and number of places you move does become your exponent but when you move right, exponent is negative and when you move left exponent is positive. Since in this case we are moving decimal to right by 10 places the exponent ...
Tuesday, December 16, 2008 at 1:19am by gr
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
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
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 english
political power
Tuesday, September 7, 2010 at 3:05pm by Rebecca
gr.10 mathh!
What are the factors of 1000
Saturday, September 19, 2009 at 2:08am by Joe
science gr. 10
THANK YOU DR BOB!
Wednesday, November 19, 2008 at 11:07pm by sarah
science gr. 10
URGENT! PLEASE HELP ME!! :) Thanks!
Wednesday, November 19, 2008 at 11:07pm by sarah
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
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
calculus (gr 12)
v = 45 - 10t a = -10
Wednesday, April 17, 2013 at 9:43pm by Reiny
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
Gr 10 Chemistry
we will be happy to check your thinking.
Sunday, November 9, 2008 at 6:43pm by bobpursley
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
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
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 ...
Tuesday, October 6, 2009 at 11:16pm by Anonymous
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 CIVICS!!!!please HELP!! :(
See my answer below.
Friday, May 1, 2009 at 10:39pm 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
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
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 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
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
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
physics
mg = GmM/R^2 M=gR^2/G, where g=9.8 (m/s^2) , gravitational constant G = 6.6710^-11 (m^3kg^-1s^-2)
Monday, April 2, 2012 at 5:27pm by Elena
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
Science - gr. 10 physics
Calculate the area under the velocity-time graph.
Monday, January 5, 2009 at 7:40pm by GK
Science - gr. 10 physics
How do you find displacement when given a velocity/time graph?
Monday, January 5, 2009 at 7:40pm by Jake
Gr. 10 math again!
Factor by Grouping.Thanks Bob. PLEASE SHOW ME THE STEPS! 1.) 6x2-21xy+8xz-28yz just to make it clear,the 2 infront of -21 is actualli an Exponent 2. 2.) x2+5x+7x+35
Monday, April 6, 2009 at 4:47pm by Nini
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 CIVICS!!!!please help again! :(
Doesn't voting illustrate communicating and participating in important issues?
Friday, May 1, 2009 at 10:49pm by Ms. Sue
Math
I'm in gr 11 doing Trigonometry 14.2 = b ---- ---- sin38 sin 67 a = 46 --- ---- sin20 sin130 (10.7)^2 = (9.5)^2 + (12.4)^2 - 2(9.5)(12.4) cos <B I just need someone to explain this to me because I just don't get it... thank you for any help
Sunday, September 23, 2007 at 11:07am by Louis
math - gr 12
Break it up into 3 cases 1. Joe at the door, then 10 others at the door, C(10,4) on the floor, C(6,6) as floaters = 10x210x1 = 2100 2. Joe on the floor, leaving C(10,3) for the remainder on floor, C(8,2) for the door and C(6,6) as floaters = 120x28x1 = 3360 3. Joe as floater ...
Monday, February 23, 2009 at 7:05pm by Reiny
GR.10 MATH.
Form is ax^2 + bx + c I can not factor the first example with whole numbers at all. b^2-4ac = 44 which is the square of no whole number. The second one is (x-2)(x+5) note that b^2-4ac = 49 which is 7^2
Monday, April 27, 2009 at 12:53am by Damon
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
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
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
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 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
gr.10 math
could you please show me the steps to solve this equation?I looked at the answer in the back of our textbook but i keep getting the wrong answer. 5(2y+1)-(5y-2) answer=5y+7. thanks so much!
Friday, February 11, 2011 at 4:50pm by anon
Math, Gr 10
A rectangular field is to be enclose by 800 meters of fencing and the fourth side with be along the side of a barn. A) What dimensions will give the maximum area? B) What is the maximum area?
Monday, May 6, 2013 at 8:53pm by Anne
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
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
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
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 9 math
3=3 ..-(P-1) 4
Thursday, October 18, 2012 at 4:28pm by zack
gr.8 math
2
Saturday, April 24, 2010 at 2:17pm by Anonymous
math gr 7
Thanks =)
Tuesday, December 8, 2009 at 6:55pm by Leslie
gr.7 math
thank you!!!!
Monday, October 26, 2009 at 5:29pm by vanessa
Math gr 8
thank you
Tuesday, November 4, 2008 at 6:13pm by Tyler
physics
1 g = 0.03527396194958 oz. 1.7510⁶ gr = 61729.4334117660 oz
Sunday, September 23, 2012 at 10:04pm by Elena
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
Science - gr. 10 physics
I HATE PHYSICS
Monday, January 5, 2009 at 7:40pm by POOPEE
physics
g =8.71 N/kg. h = 150 000 m=1.510^5 m R= 8.7110^7 m. (a) g = GM/(R+h)². M = gR²/G, where the gravitational constant G =6.6710^-11 Nm²/kg², (b) gₒ = GM/R². (c) mgₒ.
Tuesday, May 15, 2012 at 7:35pm by Elena
Math Gr. 9
I don't know how to do the last step.
Saturday, September 10, 2011 at 4:26pm by Vanessa
MATH - gr.8
How did you get that answer?
Tuesday, November 23, 2010 at 4:18pm by Carry
math gr.6
i think so
Wednesday, September 22, 2010 at 6:08pm by Anonymous
math - gr 12
THANK YOU!
Monday, February 23, 2009 at 7:05pm by Geetha
math gr 7
1.9s+6=3.1-s
Tuesday, December 8, 2009 at 6:55pm by Leslie
gr.7 math
how did you get 4?
Tuesday, September 15, 2009 at 5:17pm by can someone please help me
math - gr 12
thanks!!!
Monday, February 23, 2009 at 7:05pm by joanna
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 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
Math - gr.11
sw
Thursday, November 20, 2008 at 5:05pm by Anonymous
Math-Gr.11 urgent
This was GREAT
Sunday, January 4, 2009 at 10:58pm by A. S
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