Thursday

April 24, 2014

April 24, 2014

Number of results: 129,797

**Calculus - please check my work**

Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are correct, thank you.
*Monday, June 18, 2012 at 5:48pm by Henry*

**Math**

Please double check Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? Answer: $468.66
*Tuesday, March 18, 2008 at 12:17pm by Kim*

**math (please double check my answers)**

4. Prove: 2^n + 2^n = 2^n+1
*Sunday, May 27, 2012 at 10:53pm by christina*

**double check me please. math 012**

4(5-w)=-w _________ 3 this is a fraction with 3 being on the bottom. do you come up with w=20? thanks
*Sunday, February 1, 2009 at 6:34pm by amy*

**Honors Chemistry (check answers)**

On a worksheet we got, we have to balance out chemical reaction equations then define what kind of reaction it is (synthesis, decomposition, single/double-replacement). Would someone be willing to check my answers, please? Thanks!! 1. c) BaO + H2O ==> ________ (synthesis...
*Monday, October 26, 2009 at 10:16pm by Emily*

**Math**

Please double check me. Terry went on a 60 mile canoe trip. on first day, he traveled 21 miles. what percent of the total distance was that? 35%
*Tuesday, March 30, 2010 at 9:46pm by Amy*

**Math**

Please double check me. Brett saved $670 at the bank. he want to save $3800 for a trip to disneyland. what percent of his goal has been reached? 17.6%
*Tuesday, March 30, 2010 at 9:48pm by Amy*

**math (please double check my answers)**

Simplify the following using the laws of exponents: Need help with these: a) (9)^1/2 x 4^2/24 b) 16 x 2^x+2 Simplify each of the following: b) b) 3 sqrt x^1/4 sqrt x/ 5 sqrt x^2 c) (ab)^2x+y /a^x b^y Need these answers double checked: c) 3^-8/3^-6 x 3^-5 3^-8/3^-6+-5 3-8^ 3^-...
*Sunday, May 27, 2012 at 10:52pm by noel*

**Computer Science (java1)**

can someone please tell me the equation for compshift? double Angle = 45.0; double AngleRadians; double ComptonShift ; //calculations AngleRadians = Math.toRadians(Angle); ComptonShift = Helpppp here
*Wednesday, March 14, 2012 at 2:31pm by Nick*

**Math- Please check**

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c
*Sunday, March 23, 2008 at 2:58pm by Sherri*

**Math- Please check**

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c
*Sunday, March 23, 2008 at 3:12pm by Sherri*

**math**

please check my answer thanks :) What is Eric's gross pay , including overtime and double time He earns $9.24 per hour He gets time and a half for over time and double time for work on Saturday He worked 52 hours this week, with 8 hours overtime and for hours on Saturday $9.24...
*Wednesday, November 14, 2007 at 11:56am by Anonymous*

**math(Please please help!!!)**

1) initial investment = $600 annual % rate = ? time to double = ? amount after 10 years = $19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.
*Monday, February 8, 2010 at 4:36pm by Hannah*

**CHemistry....Please double check DrBobb**

What mass of ethylene glycol C2H6O2, the main component of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23C? Assume density for water is exactly 1g/mL. First we find out the freezing point: =(-23.0)-(0.0_ =-23.0 ...
*Saturday, January 24, 2009 at 1:06pm by Saira*

**Calculus (double check my anser please)**

Evaluate integral e^3x cosh 2x dx. A.1/2 e^5x + 1/2 e^x + C B.1/10 e^5x + 1/2e^x + C<<< my answer C.1/4e^3x + 1/2 x + C D.1/10 e^5x + 1/5 x + C
*Sunday, March 13, 2011 at 6:50pm by anon*

**Math**

Can someone please check my answers below for accurateness? The instructions are: Differentiate and simplify. 1) y=(2x^2+3x-1)(3x^2-5x-3) y'=(4x+3)(3x^2-5x-3)+(2x^2+3x-1)(6x-5) 2) y=(5x^2+3x-1)(3x^2-5x-3) y'=(10x+3)(4x^2-3)+(5x^2+3x-1)(8x) 3)y=6x^3-7x^2+5x-7+x^(5/3)-7/(x^3) y...
*Friday, August 7, 2009 at 10:52am by Christine*

**Math- Double check**

Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650 Answer: A Determine ...
*Sunday, March 23, 2008 at 8:06am by Kim*

**algebra**

Of the two fractions 15/21 and 19/17 which is smaller? I think its 19/17 but need someone to double check please.
*Wednesday, May 30, 2012 at 1:49pm by tony*

**graphing-reposting**

It looks like a double ski ramp...going down, min, then up, then way down to the bottom of the hill, then up slightly, then down. The first minimum is greater than the small rise at the bottom Sketch the graph of a differentiable function y = f(x) with this property: A local ...
*Monday, November 6, 2006 at 4:03pm by bobpursley*

**Math**

75 + -63 + 7( 115/ -5 + (-8)2 ) -63 is -6 to the third power and (-8)2 is (-8)to the 2nd power. I got 15913 I think that that is wrong and my calculater wouldn't fit all the numbers so I don't know how to check it! Can you please try it so I can double check answers? it is ...
*Sunday, October 29, 2006 at 1:49pm by Lanna*

**ENGLISH**

A little old fool but doesn't bath. Who can it be? This doesn't make any sense at all. Please double-check. ?? open-ended introductins
*Tuesday, September 12, 2006 at 9:34am by Ayra*

**math**

solve 9x<-27 I did 9x/9<-27/9 x<-3 Just a double check. I believe this is right Thanks
*Wednesday, January 2, 2013 at 7:27am by es*

**Physics**

Consider the following four possibilities for two point charges and choose the one(s) that do not change the magnitude of the electrostatic force that each charge exerts on the other: A. Double the magnitude of each charge and double the separation between them. B. Double the ...
*Wednesday, July 18, 2012 at 12:36pm by Patrick*

**(Please help) Math**

1) initial investment = $600 annual % rate = ? time to double = ? amount after 10 years = $19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.
*Tuesday, February 9, 2010 at 3:50pm by Hannah*

**History**

One way that opposition to civil War was suppressed was the denial of the right of_________ I think it is assembly, just trying to double check please.
*Wednesday, September 28, 2011 at 9:58pm by Jamieson*

**Chemistry(Please check)**

Classify the following as ether, ketone, ester, amide, etc. 1) CH3CH2CNH2 !! O The !! represents a double bond and it is below the CN I think this is an amide. 2) CH3COCH3 !! O The doube bond is below the CO I think this is an ester. 3) CH3CCH3 !! O The double bond is below ...
*Wednesday, September 12, 2012 at 9:29pm by Hannah*

**Math(Please check)**

You invest $3000 in a savings account where you earn 4% interest compounded continuously a) what is the formula A(t) for the balance after t years? A(t)=3000e^0.04(t) b) How long will it take for the money to double? 6000=3000e^0.04t Is this the correct setup so far or would I...
*Friday, April 29, 2011 at 5:44pm by Hannah*

**Math**

Im going to try another percentage problem. Will you please double check me. Thanks for all your help! 2580/4440=.581081081 Change to percent and round to nearest tenth. .581081081*100=58.108 rounded to nearest tenth is 58.1%
*Wednesday, March 31, 2010 at 12:12am by Amy*

**Math Check please**

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,3.5) <---- (0,-4) (0,7) (0,-3.5) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom ...
*Monday, June 18, 2012 at 11:04pm by Anonymous*

**To sam!**

Was the five part unknown question for compounds A through E yours? If so, did you get it answered ok? no it was not mine! can you please check my math? can you please check my math?
*Monday, December 4, 2006 at 1:26pm by DrBob222*

**math**

Initial Investment?? Annual % Rate= 8 Time to Double?? Amount after 10 years= $20,000 I dont know how to figure out the initial investment and the time to double help me please?
*Saturday, November 27, 2010 at 3:22pm by holly*

**7th grade math check**

Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...
*Thursday, April 12, 2012 at 9:11pm by saranghae12*

**Math 157**

Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
*Wednesday, December 8, 2010 at 9:51pm by Rena *

**Math**

Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
*Wednesday, December 8, 2010 at 8:37pm by Rena *

**math 012**

will someone please double check my answer to this problem. the answer i get is a fraction, but not sure how to type it on here. 4(4y+2)=2(1+6y)+8 16y+8=2+12y+8 16y+8=10+12y -16 -16 8=-6+12y +6 +6 14=12y divide both by 12 and that leaves y=14/12 then reduce down to 7/6 is this...
*Sunday, February 1, 2009 at 5:36pm by amy*

**math 012 double check me please**

9x+3(x-4)=10(x-5)+7 9x+3x-12=10x-50+7 12x-12=10x-43 subtract -12 from both sides and that leaves -12=-2x-43 add 43 to both sides and that leaves 31=2x then the answer is x=31/2 (a fraction) im so confused and its even harder trying to type it out and not confuse anyone reading...
*Sunday, February 1, 2009 at 5:50pm by amy*

**language art CHECK**

Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct. thank you
*Tuesday, January 17, 2012 at 8:51pm by saranghae12*

**Math 116 algebra please check**

Solve using the multiplication principle. 10x= -90 The solution is x = -9 please check
*Wednesday, July 16, 2008 at 7:32pm by jay jay*

**Math (Check)**

The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) -3 4) .25 I think that the correct answer is 3) -3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!!
*Monday, March 9, 2009 at 7:11pm by jess*

**Chemistry**

What are the major organic products of this reaction: CH3CH2CH2COCH2CH3 (an O is double bonded to the C before the O) + H2O --> (acid is above the arrow) DrBob222- There are 2 oxygens. I said there is an O double bonded to the C. So there is the O after the single C and ...
*Sunday, March 21, 2010 at 9:18pm by Bobby*

**Math 116 algebra please check**

Solve for the indicated letter. e=9f, for f The solution is f = 1/9e Please check this
*Wednesday, July 16, 2008 at 7:27pm by jay jay*

**math-please check my answer**

0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?
*Friday, July 30, 2010 at 10:22pm by Michelle*

**math**

Double check please Write each of the following as a common fraction or mixed number. Write your answer in lowest term 28. 15.35 Answer: 1535 / 100 = 307/20 = 15 35/100 is 15 7/20 Complete each of the following statement, using the symbol < or > 5/16 _0.313 Answer >
*Wednesday, February 20, 2008 at 8:50pm by DJ*

**Math[PLease Check]**

Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12
*Saturday, February 24, 2007 at 6:12pm by Margie*

**Physics[CONCEPT- NO MATH]**

F = G(m1 x m2)/(d)^2 If you double the mass of one object and double the distance between the center of the two objects what happens to the force? If you double the mass of each object and double the distance between them what happens to the force?
*Tuesday, December 4, 2012 at 5:52pm by Michael*

**CHEMISTRY**

which of the following elements would have the highest melting point?> a)K b)Mg C)Na D)al e)Ca Calcium would have the highest, follwed by aluminum, magnesium, sodium, lowest melting point-potassium. Please double check thank you i found that you are correct with the melting...
*Monday, April 23, 2007 at 11:00pm by ISA*

**Math**

computing grades. the fith test counts as double ( and i got the answer 74, so how much would it be as double?. thanks!
*Tuesday, March 30, 2010 at 7:25pm by Joe*

**physics**

A 10.8 kg block of metal is suspended from a scale and immersed in water, as in the figure below. The dimensions of the block are 12.0 cm 10.4 cm 10.4 cm. The 12.0 cm dimension is vertical, and the top of the block is 5.00 cm below the surface of the water. (a) What are the ...
*Saturday, November 10, 2012 at 11:34pm by Kat*

**chemistry**

hi, Can you please double check to see if i have got this right? Is the empirical formual for oxide of arsenic As2O5? Cheers ;) Arsenic forms two oxides with oxygen. One is As2O5, the other is As2O3. I'm glad you posted today; please tell your friend you were talking with ...
*Wednesday, February 7, 2007 at 9:54am by bertie*

**Math 116 algebra please check**

Simplify 6[-73-(-19-83)]=174 Please check
*Wednesday, July 16, 2008 at 7:34pm by jay jay*

**math**

what is a double factor? I am filling in a multipication table. I am sopposed to color the double factors red. i realy need help in multiplacation and division.
*Thursday, January 18, 2007 at 10:09pm by alex*

**Java programming**

List all overloading methods (including constructors) in this coding.. public class Circle { private double radius; private String colour; public Circle() { radius = 0; colour = ""; } public Circle (double r) { radius = r; } double getRadius() { return radius; } double getArea...
*Tuesday, April 16, 2013 at 11:59am by nina*

**Math (Earning Money)**

I know that calculating overtime rate for time and a half is 1.5 and double time is 2 and triple is 3 and so on... however my HW math question said "he is paid DOUBLE TIME AND A HALF on Saturdays..." So what number will I multiply with the number of hours and normal pay rate ...
*Friday, February 3, 2012 at 6:37am by CrissyXD*

**chemistry/please double check**

Hi, I just need to know if I finally got this exercise right. Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 Celsius are converted to 50 grams of ice at -125 Celsius. so, qw= 50*4.184J/g C (125 C-o)= 26.15 x 10^3 qi= 50*2.09*(-125)=-13.065 KJ...
*Tuesday, October 28, 2008 at 8:02pm by Joshua*

**English, grammar**

I need some help with this question for one of my units in world englishes please help!? Q. Argue for or against the status of 'double negation' as a 'mistake' on spoken English. I am arguing for so I agree with this status. I believe double negation in spoken English can ...
*Wednesday, August 28, 2013 at 11:24pm by Anonymous*

**Math 116 algebra please check**

Multiply 1/7×(-3/7)=-3/49 Please check
*Wednesday, July 16, 2008 at 7:36pm by jay jay*

**Chemistry(Please check)**

Last question, I just want to make sure I understand the concept of hybridization. For carboxylic acid the hybridization is: CH3= sp3 because there are only single bonds COOH= Sp2 because the oxygen is double bonded to the C Is this correct? Thank you for checking my work!
*Wednesday, September 12, 2012 at 11:52pm by Hannah*

**Math Help Please**

How long will it take for prices in the economy to double at a 6% annual inflation rate? Round to the nearest hundredth. Please explain how to solve this problem, thanks.
*Saturday, October 17, 2009 at 2:17pm by Sara & Anonymous*

**Math, please check work**

find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint: (0,0) midpoint: (4, -3) I would Double the midpoint and add on the endpoint The other endpoint would be (8, -6) is this correct?
*Thursday, December 17, 2009 at 3:06pm by Lyndse *

**social studies**

how did women help prepare for the civil war??? i cant find in s.s book you should double check your book. if you cant find it in there you could use the internet, but i would check the book
*Thursday, March 1, 2007 at 8:42pm by avery*

**Algebra**

Factor (m + 4) (a – 5) + (m + 4) (a + 3) I am pretty sure its this but want to double check! Thanks! (m + 4) (a^2 – 2)
*Thursday, April 2, 2009 at 1:26pm by Kim*

**Math-Statistics-please doublecheck my answers**

In the fall of 2000, 54% of the almost 34,000 first-year students attending one of the California State Universities had strong enough math skills to take an entry level course. 1)Based on a sample of 20 students, can we assume our calculations will be accurate? My answer is: ...
*Tuesday, January 31, 2012 at 8:38pm by Mandy*

**Math please check answer**

please check my answer :) The monthly payment of a $100,000 mortgage at a rate of 8 1/2 % for 20 years is 8678.23
*Thursday, January 10, 2008 at 5:51pm by keleb*

**Algebra2 (Please Check My work)**

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,-3.5) <---- (0,-4) (0,7) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom on his ...
*Monday, June 18, 2012 at 9:25pm by Anonymous*

**math check**

Would some please check these and see if I am doing them right thank you 1. Gasoline is about $2 per gallon. You use about 1 1/2 gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)? Answer 1 1/2 x $2.00 = $...
*Friday, January 5, 2007 at 9:43am by tara*

**Urgent Math please check**

Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really need them to be ...
*Saturday, April 2, 2011 at 7:04pm by Brittany*

**calculus**

derivative of y=ln x/x^2 can someone double check the answer 1-2lnx/x^3
*Wednesday, November 11, 2009 at 2:23pm by jackie*

**asu**

calculus problem is u = 7i +9j + 2 k and v = -7i -9j - 2 k. and my ans is -135 how to double check
*Saturday, December 31, 2011 at 6:30am by linda*

**third grade math**

how do you check addition problems by adding up? Let's use this addition problem as an example. 21 35 ___ First you add 1 + 5. To check your work, add up, 5 + 1. If you have a column of numbers and you go down each column to add them together, that's normal, right? 36 95 15 ...
*Sunday, January 7, 2007 at 10:14am by zeke*

**Math**

How do I simplify this: (The ^ symbol means 3) -3(12)-{5(-4)-2^ I tried it,and got-8,however when I rechecked my work I got -64. Please help! Please help! where is the other } in the equation? And ^ means to the power so -2^3 would be minus 2 to the 3rd power. Please rewrite ...
*Friday, March 2, 2007 at 2:40pm by Janese*

**Chemistry**

if you double the concentration of HCL acid, will that double rate of reaction? i have to explain in terms of the theory of collision. Wont doubling the concentration double the rate as well?
*Tuesday, September 25, 2012 at 10:38pm by Shreya*

**Biology**

I know it is a bit long and maybe difficult, please help me to answer these.. 1) I have pET28a with insert inside. Insert is 400 bp in size. I want to check my insert with both single digestion and double digestion. I already isolated my plasmid but i do not know the next ...
*Monday, March 31, 2014 at 5:11pm by Restriction Enzyme Digestion*

**Math**

will someone just double check my answers, please. Identify which types of sampling is used:random,stratified, systematic,convenience. 1. a sample consists of every 20th student who leaves the bookstore. answer:systematic 2. a pollster uses a computer to generate 500 random ...
*Thursday, April 15, 2010 at 1:01pm by Charlene*

**Math**

Please double check my answer. On three consecutive passes, a football team gains 7 yards, loses 22 yards, and gains 49 yards. What number represents the total net yardage? My answer: The total net yardage is 34 yards.
*Monday, April 28, 2008 at 2:41pm by Shawna*

**3rd grade math **

Double my tens digit to get my ones digit. Double me and I am less than 50. Who am I?
*Wednesday, May 12, 2010 at 7:05pm by Pam & Hannah*

**math (double checking)**

I've posted this question before but I forgot to say that I was dealing with polynomial inequalities (not sure if that makes a difference) The question is: Solve the following polynomial inequalities. (9 marks) 4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8 2(x^3 - 2x^2 + ...
*Saturday, January 12, 2013 at 9:47pm by Anonymous*

**math**

Finance: if given the equation: y=12000(1.07)^x a)Estimate the time it will take to double using the rule of 72 b)determine the time it takes for the investment to double useing the fuction
*Wednesday, January 19, 2011 at 6:38pm by Dane*

**Math**

Finance: if given the equation: y=12000(1.07)^x a)Estimate the time it will take to double using the rule of 72 b)determine the time it takes for the investment to double useing the fuction
*Wednesday, January 19, 2011 at 7:02pm by Dane*

**Chemistry(Please check answer)**

The equilibrium constant for the reaction, H2(g) + I2(g) == 2 HI(g) is 54.9 at 699.0 K (Kelvin). What is the equilibrium constant for 4 HI(g) == 2 H2(g) + 2 I2(g) under the same conditions? Note: the == indicates the equilibrium double arrow Since the second equation is ...
*Wednesday, March 14, 2012 at 8:30pm by Hannah*

**Algebra2 (Please Check My work)**

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,3.5) <---- (0,-4) (0,7) (0,-3.5) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom ...
*Monday, June 18, 2012 at 9:32pm by Anonymous*

**math/algebra**

I need help in solving this word problem using linear system equation...I.m not sure how to start,,, A hotel rents a double occupanch room for $20 more than a single occupancy room. One night, the hotel took in $3115 after renting 15 double occupancy rooms and 26 single ...
*Thursday, March 12, 2009 at 8:55pm by JAY10*

**math**

Double my tens digit to get my ones digit. Double me and I am less than fifty.
*Monday, March 28, 2011 at 8:48pm by jack*

**math**

riddle:double my tens digit to get my ones digit. double me and i am less than 50.
*Thursday, March 17, 2011 at 6:12pm by jan*

**Computers**

Operator overloading: Array indexing [] – allow for double indexing [][] I'm not sure how to overload the operator[] for double indexing. Please help if you can. Thanks
*Thursday, September 10, 2009 at 9:18am by Dave*

**Calculus (double check )**

Find the centroid of the area bonded by the parabola y =4-x^2 and the x-axis? A.(0,1.6) <<<< correct? B.(0,1.7) C.(0,1.8) D.(0,1.9)
*Sunday, March 13, 2011 at 6:13am by anon*

**algebra 2**

If Q varies inversely as the square root of R and Q=2 when R=4, what is Q when R is 25? does Q=625 im not sure can someone double check it for me.
*Friday, July 8, 2011 at 2:18pm by tom*

**Chemistry**

What is the pH of a .0035 M Ba(OH)2 solution. I did -log(.0070) to find pOH So 14-2.15=11.85 pH? Just want to double check.
*Friday, March 22, 2013 at 1:21pm by Sarah*

**math(check answers please)**

PLEASE CHECK THESE ANSWERS compare the pair of numbers use <,>,= 3/4 _ 6/8 A.3/4=6/8(I PICKED THIS) B.3/4<6/8 C.3/4>6/8 Write the decimal as a fraction or mixed number in simplest form. 3.45 A.4 3/4 B.4 9/20 C.3 3/4 D.3 9/20(I PICKED THIS
*Wednesday, November 20, 2013 at 5:44pm by matt*

**To Ms.Sue or any Math helpers**

Can you please help me with my math law of exponent quesions, please check my answers, please its due very soon.
*Sunday, September 8, 2013 at 8:08pm by Sophie*

**Math**

Whole Number Math Riddle Clue 1: Double my tens digit and get my ones digit. Clue 2: Double me and I am less than 50
*Monday, April 4, 2011 at 9:32pm by Savannah*

**Biology**

http://talk.collegeconfidential.com/showthread.php?p=4515174 Imagine you had made an RNA copy of each strand of a DNA double helix. If you were now to mix these two RNA single-strand copies together, do you think they would form a double-stranded RNA molecule? Why do you ...
*Sunday, August 5, 2007 at 2:13pm by bobpursley*

**English**

Could you please check the correction of your first sentence? I included a few more sentences on Stevenson's novel. Could you please have a look at them? Thank you. 1 a) 1984 can be considered as anti-utopian novel. 1)The single dominant theme in Dr Jekyll and Mr Hyde is that ...
*Wednesday, March 9, 2011 at 8:24am by Mike*

**math plase check**

What number would be used to represent a temperature of 7- degrees below zero. I think its is -.70 please check
*Wednesday, June 6, 2012 at 5:27pm by toni*

**math**

double my tens digit to get my ones digit. double me and i am less than 50
*Tuesday, March 16, 2010 at 5:25pm by christian*

**math**

double my tens digit to get my ones digit. double me and i am less than 50? who am i
*Wednesday, March 31, 2010 at 4:52pm by sydney*

**math**

double my tens digit to get my ones digit. double me and i am less than 50
*Thursday, May 6, 2010 at 8:58pm by Anonymous*

**math**

Double my tens digit to get my ones digit Double me and i am less than 5o.
*Tuesday, May 24, 2011 at 6:55pm by tony*

**math**

Double my tens digit to get my ones digit double me and I am less than 50
*Thursday, April 26, 2012 at 9:50pm by Ann*

**Math**

Please show your work thanks for your help. Eric works in a factory where he earns $9.24 an hour. He receives time and a half for over time and double time for work on Sunday. He worked 52 hours this week , with eight hours of overtime and four hours on Sunday What is his ...
*Friday, November 9, 2007 at 9:17am by Anonymous*

**Math please check answer**

Please check my answer thanks :) Add the following and reduce answer to lowest terms. 1/3 +5/6 + and 3/8 ----------------------- 1/3 = 8/24 5/6 = 20/24 5/6 = 9/24 -------------- 37/24 = 1 13/24
*Monday, January 7, 2008 at 6:14pm by keleb*

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