Sunday

September 21, 2014

September 21, 2014

Number of results: 94,708

**Math**

I am stuck on a problem that has to do with the double angle formulas. I have to solve this: 4sinxcosx = 1. I tried using the formula 2sinu = 2sinucosu by substituting it in like this: 2(2sinxcosx)= 1 but then I am stuck
*December 6, 2010 by kathleen*

**math**

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i dont know is this right ? = "+" or "-" # = number y=3 (x-3)^2 + (y-4)^2 = 9 i substitute y (x-3)^2 + (3-4)^2 = 9 (x-3)^2 + 1 = 9 x^2 - 6x + 9 + 1 = 9 x^2 - 6x + 10 = 9 x^2 - 6x + 1 = 0...
*February 24, 2010 by larry*

**re:math**

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i dont know is this right ? = "+" or "-" # = number y=3 (x-3)^2 + (y-4)^2 = 9 i substitute y (x-3)^2 + (3-4)^2 = 9 (x-3)^2 + 1 = 9 x^2 - 6x + 9 + 1 = 9 x^2 - 6x + 10 = 9 x^2 - 6x + 1 = 0...
*February 24, 2010 by larry*

**math**

394 cars, 57 trucks, and 23 buses ventured out in the snowstorm. 83 1/3% got stuck in the snow. How many vehicles got stuck?
*May 16, 2010 by Kriztin*

**MATH**

Adding and Subtracting Rational Expressions there are two problems I get stuck with towards the end. 1) 5n/3 + 4n/3 5n+4n/3 9n/3 now i get stuck, i think that I must factor it more but i am unsure, my teacher said I incorrectly distribute the signs? 2) 7/x-5 - 2+x/x-5 for this...
*March 29, 2007 by Roxxy*

**Math check 3**

f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15). I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7) I have multiplied the LCD of (a-8)(a+7)(a+22)by both sides with no luck. This is a multiple choice question a.) -161/8 b.) 120/7 c.) 161/7...
*October 12, 2008 by Shawn*

**Integral calculus**

Hello, this is the last question from my homework that I get stuck at: ∫ (5^3/x - (x^8 + 9)^1/3 ) / 3x^2 will u, for sub. be = x^8 + 9? Then du is = 8x^7 dx x^7 dx = 1/8 du from there I'm stuck. Thank you
*April 19, 2012 by Tommy*

** MAth Im stuck on question can anyone help me ?**

Im stuck on this question can anyone help me ? I thought it was b but thats wrong Which situation can be modeled by tossing a coin 3 times A)choosing which one of sixteen teams will win a tournament? B)picking one of six math teacher, C)decide which English teacher of eight ...
*March 27, 2011 by Mikah*

**algebra 117b**

I am really stuck if you could me please with this problem y=kxto find yfor x=6 y=-65when x=9 -65=k.9 k=- this is where I get stuck
*July 17, 2012 by BERNIE*

**Algebra**

I am trying to find the equation to m= 8(3,2)This is what I did and then I get stuck, sorry m=8(3,2) y=2(8)(x-3) y=2x-? this is where I get stuck -24 or -5
*September 6, 2010 by Ziggy*

**math**

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i dont know is this right ? = "+" or "-" # = number y=x (x+1)squared + (y+1)squared = 6 i substitute y (x+1)squared + (x+1)squared = 6 x squared + 2x + 1 + x squared + 2x + 1 = 6 2x ...
*February 23, 2010 by larry*

**Math-stuck**

I know that to find the height of a woman that has a tibia bone measuring 43.4 would be computed like this H(t)=0.984(t)+28.6, and I would arrive at this :69.5696, but I how would I prepare a function to figure out a womeans tibia in inches when she is 5 foot, 5 inches. I am ...
*December 3, 2009 by HGO*

**algebra check please**

help i am stuck : -8 - 5y = 12 - 9y i got: -8-12 -5y = 12-12 - 9y -20 - 5y = 9y -20 +20 - 5y - 9y im so stuck idont understand this one can you please help me
*October 1, 2012 by marko *

**chemistry**

now am stuck on how to find the grams of X+Y=1.10 X for glucose and Y for sucrose i had 3.78=M0.08206*298 3.78/24.45=0.1546M 0.1546*0.025=0.003865 moles. now am stuck. help please
*January 24, 2010 by bf*

**Algebra-Pleasehelp-I'm so stuck!!**

Please help How do you graph the radical that is below negative of the sqrt(x+1) my teacher said we should set up x and y according to parent function. The endpoint of this would be (-1,0) How do I find the other points-I'm really stuck
*October 11, 2010 by Julia*

**lit class **

we are really stuck on this one we searched the website that you suggested but are still stuck this is what we came up with is this correct punctuation? Jawaharlal Nehru, the first prime minister of independent India, said that, "culture is the widening of the mind and of the ...
*May 10, 2011 by joel*

**Quantum Physics**

Has anyone done Block 7-8 for TMA 6 for s103 - discovering Science, as i am struggling big time, any help would be much appreciated yes i am like you really phased by this how much of the tma have you managed to do Me, too what r u stuck on? I have been doing really well but ...
*February 27, 2007 by Adam*

**English- A Raisin in the Sun**

I'm stuck on these in A Raisin in the Sun: Why does Mama decide not to move? In what way does she show herself to be stronger than her children? I'm stuck, please help!
*September 1, 2007 by Anonymous*

**Physics**

The displacement of an object in SHM is given by y(t) = (7.1 cm)sin[(1.64 rad/s)t]. What is the frequency of the oscillations in Hz? I'm completely stuck here. I was thinking that frequency = 1/t. I'm stuck with the information given. Please help!
*March 22, 2010 by Angie*

**AlgebraII-Reiny could you please check-I'm stuck**

Sikve the following by using substitution method x=3y -5 6x-18y = -30 I got this far and I'm stuck 6(3y-5) - 18y = -30 18y - 30 - 18y = -30 -30 = -30 So this doesn't make sense anymore
*February 14, 2011 by JuliaAnne*

**geography**

I'm really stuck on my homework it says Geography can be divided into tree strands, phisical, human and enviromental. Explain what it means in your own words. I'm really stuck so could you help me please!!!!!!!!!!!!!!
*September 8, 2008 by Emily*

**Math- Algebra 1 **

Im doing extra credit since my math test didn't go so well but im stuck on a question (Wish i had my math book). Please help. Q: 3.8y - 4.7 + 3.8y + 17.5
*November 23, 2010 by Shilo*

**Chemistry **

Sorry to post again but I'm really stuck on this one! I'm doing some post lab questions and I'm stuck on one. In lab we performed Tollens test, Fehlings test, and Jones Oxidation to differentiate our unknown between an aldehyde or a ketone. The question I'm stuck on is " older...
*July 16, 2013 by hayley*

**math stuck**

3/10 + 1/5 = 9/30 + 6/30 = 15/30 but it says that it is 0, or 1
*February 20, 2010 by Anonymous*

**math**

(5)/(x) - (2)/(x-3) = 0 5(x-3) - 2(x) = x(x-3) 5x-15-2x = x^2 -3x 3x-15 = x^2 -3x this is where i get stuck please help thanks
*October 31, 2010 by peter*

**Help! stuck on this math question**

3n/(n^2 -7n + 10) - 2n/(n^2-8n+15)
*March 14, 2013 by Mikayla*

**Math**

okay i got stuck on "5-x-x=-17"?
*June 3, 2013 by cheyenne*

**Math mrs sue **

Can you check these? 18% of 90 is what number? i got 16.2 what number is 41% of 800? i got: 1951.22 what number 5% of 522? i got : 10440 70% of 279 is what number? i got: 195.3 what number is 90% of 13? i got : 14.44 9% of 351 is what number? i got: 32 36% of 95 is what ...
*March 1, 2012 by Marko*

**math**

okay i am comepletely stuck on this math prob....: x + 5y - 10 = 0 x = 2y - 8 i know the answer is -20/7 , 18/7 but i have no idea how they got it so someone PLZ HELP!!!!
*February 26, 2008 by shelby*

**graphing an equation**

I am getting stuck on graphing equations. when something says y=1/2x-4.....I am supposed to put in numbers for x. however, I am stuck on the concept of how to divide by the fraction. Lets say x=2 y=1/2(2)-4 I am totally stumped on if I need to make two into a fration or ...
*August 22, 2010 by Ryan*

**math percents**

Can you check these? 18% of 90 is what number? i got 16.2 what number is 41% of 800? i got: 1951.22 what number 5% of 522? i got : 10440 70% of 279 is what number? i got: 195.3 what number is 90% of 13? i got : 14.44 9% of 351 is what number? i got: 32 36% of 95 is what number...
*March 1, 2012 by marko*

**math**

i have 2 questions im stuck on what is 5-2{4-(3y-4)} and then what is (x^-9)^6
*May 2, 2009 by jon*

**math**

what is 96=6x^2 come out to be. im stuck!
*October 31, 2009 by melissa*

**Math Statistics**

I am stuck can someone help me 19.2 - 21.1 ---------- 3.18 \/25
*October 6, 2012 by Misty*

**military , math**

your squad just completed a 12 mile road march inf our hours flat. Althogether there were 15 check points, to include the road march completion point. what was the average time in minutes between checkpoints? 32 26.6 16 8 How many barrels does it take to hold 10,000 cubic feet...
*April 5, 2007 by jake123*

**Math**

I'm TOTALLY stuck on my math!!! How do I find the unit rate of $11.49 for 3 packages?? I have to round to the nearest hundredth if necessary.... :)
*December 9, 2010 by Anonymous*

**Technology**

A watchmaker would work with _____ measurements. a. standard b. precision c. indirect d. Swiss I'm a little confused on this question. I dont think it's A or D. I'm stuck between B and C, but I think it's C-indirect. Is there any tutor that is good in technology? Please help ...
*December 21, 2009 by y912f*

**math**

Can someone help me finish this problem I am stuck! 5/4x+1/8x=11/8+x 10/8x+1/8x=11/8+x 11/8x=11/8+x 19/8x=11/8
*January 7, 2009 by deedra*

**Math**

I'm doing homework and stuck on this question: What percent of 3 1/3 is 3?
*May 20, 2010 by Leah*

**Math**

Probably quite easy but I am stuck :/ 3d+6e
*June 18, 2010 by Eloise*

**math**

Stuck on solving this inequality, help please. 3X le 15 and 2x gt -6
*February 10, 2011 by marco*

**math**

someebodyyyyyyyyyyyyyyy help stuck in pre algebra hw!!!!!!!!!!!!!!!!
*April 28, 2011 by Anonymous*

**Math**

I got stuck on 250 floz=L
*February 27, 2013 by Yola*

**math**

4x7-9^4= please help me im super stuck
*January 14, 2014 by joey*

**military , math**

the emergency water storage capability your squad set up now holds 7,000 cubic feet of water. YOur commander has asked to fill it up. You estimate that a facility will hold 8,478 cubic feet. HOw many gallons are required to fill the facility? 11,055 74,470 63,415 52,360 I will...
*April 5, 2007 by jake123*

**Algebra **

I have about 3 homework problem that I am stuck on! please help me. #1: The area of a rectangle is 16, and its diagonal is \sqrt{68}. Find its dimensions and perimeter. (x^2)+(y^2)=\sqrt{68} (x^2)+(y^2)=8.246 xy=16 y=16/x (x^2)+(16/x)^2=8.246 (x^4)+(96/x)=8.246 Then I got ...
*June 2, 2014 by Anonymous*

**math**

13-b/6=2-0.5b/4 I cross muliptiled and I got 12-3b=52-4b. I'm stuck. What do I do now?
*November 1, 2007 by marc*

**math**

how do i figure out recpricals im stuck can't do it HEEEEEEEEEEEEELP!
*October 29, 2008 by m*

**math **

still stuck on simplififying 3x^3+5x^5...please assist
*December 31, 2010 by Margaret*

**Math**

I'm stuck on solving this one. If I could get some help please. -6 le x/2 - 4 lt -3
*February 11, 2011 by marco*

**Math**

I'm stuck on my homework, and my parents don't know how to do expanded algorithm
*March 25, 2012 by Nandi*

**Algebra-Please help me!**

Hi, I'm totally stuck! Problem: sqrt(x-3) = sqrt (2) -sqrt(x) I know I square them to get them out of square roots but after that I'm stuck- answers: -25/8 25/8 no solution 1/8 Please show me how its done Thank you
*October 12, 2010 by Michelle*

**English writing**

1. Don't get stuck on yourself. * What is the meaning of 'stuck on'? 2. He applied/wore a heavy makeup. * Which word should I use, apply or wore? 3. Speak in full clear sentence. * Is this one OK? Don't we have to add 'a' before'full'? 4. Don't spin in your chair or let your ...
*October 24, 2007 by John*

**Math**

I am stuck on a couple of math problems. I need help on the following numerical patterns. 5,7,11,17,25,?,47,61 80,40,20,?,5,5/2 It looks like you add two to each increment. For example, 5 + 2 = 7. 7+4=11 11+6=17 17+8=25 25+10=35 etc. For #2, I think each is halved. 80/2=40 40/...
*January 11, 2007 by Tori*

**math**

97x+14=4 First, subtract 14 from both sides. Then, let us know if you get stuck.
*October 30, 2006 by jess*

**Math**

I'm totally stuck on this problem!! Simplify: (2a^2+13a-7/3a^3-27a)(4a^2-1/9a^2)
*August 7, 2008 by David*

**Math check**

Find the y-intercepts for the function given by: f(x)= 4/(x+5)-1/(x-4)/2/(x-3)+3/(x+2) I am stuck
*October 12, 2008 by shawn*

**math**

last one on this topic i promise ;-) 4X-14+2X^3-7x^2 rearrange by degree 2X^3-7X^2+4X-14 and them im stuck..
*October 27, 2010 by lomas*

**math**

Help with this complex fraction please... (a+2/a^2+a-2) - (3a+1/a^2+2a-3) LCM is (a-1) (a+2) (a+3) right? then i get stuck
*October 31, 2010 by Anonymous*

**math**

Help with this complex fraction please... (a+2/a^2+a-2) - (3a+1/a^2+2a-3) LCM is (a-1) (a+2) (a+3) right? then i get stuck
*November 1, 2010 by *

**math**

how do u do lost digits?? my son has to do this for homework and we are both stuck on how to do this.
*November 30, 2011 by melissa*

**Math**

6x-3y = -6 and -5x + 7y = 41 I got stuck on this problem and my answers are outrageous so please help?
*March 5, 2012 by Andres*

**math**

im stuck on this problem can some one please explain.. y=9(7+4)^2+9
*March 7, 2014 by winston*

**Math**

n - is the _________ of a number and 4. 4 Can you please help me with this problem. I am stuck. It has to have 5 letters.
*October 17, 2007 by Happy face!!*

**math**

How would you factor this problem? I keep getting stuck. x^2+2xy+2x+y^2+2y-8
*November 15, 2007 by Katie*

**Math.**

Hey thanks guys, im stuck XD 27.) if B + (-3) = -5 ; what is the value of b??? thankyou for whoeveer helps.
*November 4, 2009 by bettylouuu!*

**math**

2/5Q is less than or equal to -18 i am really stuck and i am not surehow to figure it out!
*January 4, 2011 by Amelia*

**Math**

I am stuck on a problem. Can Somebody tell me what the next number is in the pattern 9,11,15,20,25?
*August 27, 2012 by Lindsey*

**math**

i need help im stuck on this question please help me heres the input 25 and the output is 15
*January 8, 2013 by ami*

**Math**

FACTOR 6x^3+2x^2-8x =0 I know the GCF is 2x thus leaving: 2x(3X^2+X-4X)=0 *Stuck after this part*
*September 3, 2014 by M*

**Math**

Okay I am stuck on a problem: What do you call the numbers that cannot be arranged into 2-row arrays?
*September 4, 2007 by Amber*

**Math**

I have to solve the system. 3x + y = 12 y = 9 - 3x I used the substitution method to get 3x + 9 - 3x = 12 But now I'm stuck.
*November 12, 2008 by Riley*

**Math**

Solve for x: 3^(x+1)=2^x This is what I have so far... (x+1)log3 = xlog2 ...and now I'm stuck. Help plz? Thanks!
*April 11, 2010 by Nikki*

**math**

Need help solving this algebraic complex fraction please. a+3/b ------ b+3/a I know LCM= is ab but then i get stuck
*October 30, 2010 by Anonymous*

**math**

Stuck here Question wants the correct number of significant figures. tan^-1 (9/7)=?
*January 23, 2011 by jim*

**Math**

How do you work 5y ____ 3y+6 It is in fraction form and it just got me stuck,,,please help!!!!! :(
*October 9, 2011 by Mo*

**math**

can someone please explain/show how to do this? im really stuck with fractions 5 1/3 + (-3 9/18) thanks so much
*January 4, 2013 by Anonymous*

**math**

hi i wanted to know what is 1.8387 rounded three decimal places please im stuck
*March 4, 2013 by Lisa*

**Adv. Math**

Well I know how to do it but I can't get the answer. Trapezoid: height, 9 1/5ft; bases, 20 ft,14 ft What gets me stuck is the 1/5 part. Can anyone help??
*May 12, 2008 by Kenya*

**Math-Statistics**

draw scatterplots one for which the pearson correlation coefficient is r=-1 and r=1 Stuck on how to get started
*October 3, 2010 by noell*

**math**

find x x-5/x-2 = x-9/x-7 Method (x-5)(x-7) = (x-9)(x-2) x^2-12x+35 = x^2-11x-18 I get stuck here help would be must appreciated
*October 26, 2010 by peter*

**math-algebra**

how do i solve this using the substitution method 3x+2y=7 2x-3y=-4 x=7-2y/3 2(7-2y/3)-3y=-4 this is where i get stuck help would be much apprieciated
*November 14, 2010 by peter*

**Math**

Differentiate g(x)=(x^3+1)(3x^2-1) so I use g'(x) X h(x) + g(x) X h'(x) so the derivative of (x^3+1)=3x^2 and (3x^3-1)=6x So (3x^2)(x^3+1) + (x^3+1)(6x) Is this correct so far. If so this is where I am stuck. I am having trouble simplifing.
*February 26, 2011 by Hannah*

**Math**

Factor the polynomial X^3 + 7x^2 +15x + 9 I tried factoring by grouping. I got stuck at this part: x^2 ( x + 7 )...
*December 7, 2011 by Tea*

**math**

For y(x)=ln(3+x2), find y`(6) I keep getting 12 but it says that its the wrong answer, really stuck here
*November 19, 2012 by Ravinder*

**math**

I know how to do mixed fractions, just stuck on this one...9 2/5+8 2/3+7 11/15 help please I keep getting 25 2/15 what am I doing wrong
*December 18, 2012 by thelma*

**Math**

Determine the sum of the first seven terms of the geometric series in which ... F) t5 = 5 and t8 = -40 I'm stuck on this one!
*January 12, 2013 by Crystal*

**Math**

3^4 /3^3 + 4^2 *4^0/2^4 Please help and explains how you got the answer. I have been stuck on this for awhile and am not sure how to do this. Thank you!
*September 6, 2013 by Cherie*

**Math 222**

How do you subtract and write 1/2-3/4 in simplest form. I am stuck can anyone help me. this is what i cam up with. 1 3 2 -- - = - 2 4 2 I am not sure if this is correct.
*May 10, 2014 by NinaC*

**physics**

A 5.88 g bullet is fired vertically into a 0.9 kg block of wood. The bullet gets stuck in the block, and the impact lifts the block 0.87 m up. (That is, the block — with the bullet stuck in it — rises 0.87 m up above its initial position, and then falls back down.) Given g = 9...
*August 9, 2011 by James*

**chemistry**

how many grams of NAOH are needed to make a 2.00 molal solution? I got stuck here 2.00 molal=2.00 mole/kg molecular weight of NAOH= 40g/mol (2.00 g/molecular weight x kg) x 40 g/mol= stuck thanks jim
*January 30, 2010 by Jim_R*

**Honors Chemistry**

We did a lab in class on Friday where we stuck a metal loop in various chemicals and stuck it in the flame of a Bunsen burner and we observed the flame's colors as the different metals went in. For every lab we do, we have to write a writeup which involves a graph. How could I...
*September 20, 2009 by Emily*

**Math**

Ok, I have this problem that I'm really stuck on: This is it: Find each unit rate: 20 mi in 5 h. Please help I need this by tomorrow!
*November 26, 2007 by Hannah*

**math**

what number is 24% of 95. Sorry but i dont understand how to get numbers using percents. another problem im stuck with is what percent of 90 is 60
*February 26, 2009 by Christina*

**Math Integration**

i keep getting stuck and i think im missing something integrate by parts e^(bx) cos x dx thanks
*November 20, 2009 by Amelia*

**Math help please!!!**

Factor completely 3p^2q + 9p^2q^2 - 12p^2q^3 I have done the following: 3p^2q(1+3q-4q^) but then i get stuck..not sure if that's the final answer..
*May 20, 2010 by help*

**6th grade math**

Why is the best- the mean or median- to use when planning a trip? Why? HELP PLEASE! I'M STUCK!
*August 3, 2010 by Anonymous*

**Math**

I don't understand how to solve equations with logarithms very well...can you help please? here is one im stuck on: log (3r+5)= 5 2 Thanks!!
*November 1, 2010 by Taylor*

**math**

Help! Urgemt Constant term of (x-(2/x^2))^9 is?? I expanded it and ended up with (1)^9 and (-2)^9. Im stuck as to wat to do from here. should i add? or... what??
*November 29, 2010 by Marie*

**math**

simplify 2xcubed+3x+5 divided by x+1. i am finding 2x squared-3x-5 and the book says 2xsquared-2x+5.please help am stuck
*April 7, 2013 by Bliss*

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