Sunday

December 21, 2014

December 21, 2014

Number of results: 150,711

**PLEASE HELP ME MATH**

someone please help i hav posted my questions like 5 times and no one is answering, can someone please solve these inequalitys 6y+1<19 2r-8>6 b-5>-2 2y+1<-5 4x-6>-10
*March 18, 2008 by Julie*

**Algebra......Help Quick!!**

12a^3bc-18a^2bc^2+6a^2c, x^2+20x+36, 12x^4-8x^3-4x^2, x^2+36x, 9x^2+6x+1, 6x^3+11x-10, x^2+3x-6..............can someone please help me solve some of these problems if not all. I have forgotten how to solve them can someone please help..Thanks
*September 2, 2008 by Carrie*

**math**

someone please help please help don't understand solve each literal equation for the indicated variable. (solve for s) d=c-s ______ n
*December 8, 2007 by allen*

**math**

actually, in a addition to the question i posted a few minutes ago, can someone please help me with a few actual specific questions? thanks so much i'm very confused and i've been working on these all day. *Literal Equations* ~solve for x ax + bx = 8ab ~solve for y my - ny = m...
*October 26, 2007 by kim*

**Math**

Solve for x: x^4-15X^2+14=0 How would I solve this problem? Could someone please show me the steps?
*January 10, 2012 by Emma*

**math**

Will someone please help me solve this problem. Solve and Check 3x^2=2x=5
*April 21, 2013 by timothy*

**math**

solve and graph the following inequality. -8p-5<-13 Can someone please help me solve this because i tried it but im not quite sure if i solved it right.
*June 10, 2009 by Kimberly*

**Math**

I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3
*January 23, 2011 by Chloe*

**Math**

I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3
*January 23, 2011 by Chloe*

**Math **

solve for indicated letter. f=2g, for g what is the solution for g? can someone please tell me how to start this? or how to solve this question?? I would appreciate it much
*November 11, 2009 by Kylie*

**Math-Advanced Functions**

I am having trouble figuring out how to solve this logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3
*January 23, 2011 by Chloe*

**math**

solve equation then check for extraneous solution please someone explain this to me. 6/6-4x/=8+4 then one that is solve the inequality s/x+3/4<2 I don't understand these problems and then it says to graph
*August 26, 2012 by kevin*

**Algebra 1**

Can someone help me solve this problems please? Thank you very much 7x+9>1x+3= Can someone help me undertand the steps to solving this problem, please.
*January 3, 2011 by Erudita*

**math**

My teacher said we are supossed to solve this using systems of equations: Let a, b, and c be real numbers such that a-7b+8c=4 and 8a+4b-c=7. Then a^2-b^2+c^2= ? can someone please help?! i don't know what method to use to solve this or where to start
*September 13, 2009 by chrissy*

**Math**

Can someone please help with this problem? Solve by the elimination method. 7r-9s= -58 9r+7s=74 I know that I need to multiply the first equation by 9 and the second equation by 7. The equations look like this: 63r-81s= -522 63r+49s=518 After this I get confused. Could someone...
*April 17, 2010 by B.B.*

**Algebra 2**

How do I solve these inequalities: e^3x>e^x-1 -6log (subscript of 4) x > -24 & how do I solve these: 8^x+1=3 e^x+2=50 8logx=16 I really don't understand how to solve these so can someone please explain them to me?
*April 17, 2014 by Linda*

**grade 9 math **

Can someone please help me solve this equation. And please explain how to break this down. 4b-6+b-9= 0
*April 12, 2011 by brooke*

**Math**

Can someone please explain how to solve 3x^2+7x-15=0 by using the quadratic equation? I know that the equation is: ax^2+bx+c=0 but I get confused about how to set the problem up and solve. Thanks.
*September 26, 2009 by B.B.*

**Physics Someone help please!**

An example of the neutron absorption reaction is . 1 0 n+10 5 B-->7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^-27 kg. calculate Q Q= in MeV I have the same question please ...
*May 8, 2013 by Amy*

**math**

Can someone please show me step by step how to solve this, I've been stuck. Find the common ration r of the geometric series an that satisfies the following conditions: c=4, S=16 I would reallyy appreciate it if someone could help me
*June 12, 2013 by mysterychicken*

**math**

Can someone please solve this? x+5=12 x7=35 3=5x(8-3) 12-4+2(3x3)
*May 2, 2011 by Robert Wayne*

**math**

Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on his next term and then a sum of ten to land on to the next two bonus spaces. what is the probability that Corbin will roll a sum of six and then a ...
*March 9, 2013 by dingbat*

**Math (Algebra)**

Could I have someone check my work please? If I did something wrong please explain to me where I went wrong. Thank You. Example of the product rule to solve would be, (5^3)(6^3) Example of the quotient rule to solve would be, (4^2) / (8^2) Example of the power rule to solve ...
*July 18, 2010 by Lynn*

**Algebra**

Can someone please help me with math problem and explain to me step by step how to solve it so I will know how solve other problems like this Thank you in advance Multiply and then, if possible, simplify by factoring /7x /21y
*February 28, 2012 by Anonymous*

**math**

Can someone please help me with this word problem!?! I know the answer which is 784 feet. But I have no clue how to solve it. Can someone please show how to solve this problem? The word problem is: The melt in Your Mouth Chocolate Factory is a rectangular building. The ...
*September 4, 2012 by aaron*

**math**

could someone please check these problems for me? Thank you! 1. -0.7x<-35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w-5)=-35 7w-35=-35 if i add 35 to both sides i get ...
*January 7, 2009 by deedra*

**math**

could someone please check these problems for me? Thank you! 1. -0.7x<-35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w-5)=-35 7w-35=-35 if i add 35 to both sides i get ...
*January 7, 2009 by deedra*

**math**

3/x + 5x/12 = 9/4.... i need to solve for x but i dont know what im doing.. can someone help me please
*June 4, 2008 by Alicia*

**Math**

Can someone help me solve this please A*.3=B A-B=150,000
*December 17, 2008 by Matthew*

**Math 9**

5 x 10^n = 5 Can someone please tell me the steps to solve for n? thank you!
*February 5, 2010 by Lisa*

**Algebra II- please help!**

I just cannot seem to be able to grasp the concept of solving polynomial inequalities. Can someone please explain, step by step, how to solve them? Here's a problem I can't solve. Please use this as an example: (x-2)(x-5)<0 I cannot thank you enough for helping me with this...
*December 10, 2008 by Erin*

**math**

is (-1, 5) a soultion for each system? x + y = 4 x=-1 can someone please explain how to solve this? thanks.
*September 16, 2007 by Amber*

**math**

-8<3x-5<-4 unsure how to solve can someone please give me the steps?
*March 23, 2010 by KiKi*

**Math- Precalc**

could someone please help me solve this problem... e^x - 12e^(-x) - 1
*November 15, 2010 by Alex*

**math**

Can someone solve this and explain it please 4^log2 (2log2 5)
*May 23, 2011 by Chuck*

**Math**

can someone solve this please!!! 100/x = 120/176
*January 23, 2014 by Kitty*

**Algebra**

Please Solve: 4-x=-5 I thought the answer was -9 but that doesn't seem to be it. Can someone please help? Thanks! This is what I have: 6. 4-x=-5 The problem to solve is: 4-x=-5 Subtract 4 from both sides x = -9 Then divie by -1 Would the answer be 9? To Check: 4- - 9 = -5
*June 27, 2009 by Angie*

**math**

Can someone please help me with this, -x/y = 2/9 I do not understand how to solve.... thanks -x/y = 2/9 multiply by 9y 9y*(-x/y)= 9y*(2/9) -9x = 2y can you take it from here? thank you
*January 18, 2007 by catalina*

**Math**

Can someone explain to me how to do this please!!! Solve the system of equations graphically: x+y>3 x-y<6
*May 15, 2008 by Anonymous*

**Math**

Could someone please show me how to solve this Prove tan(-č) = -tanč
*August 7, 2010 by Seven*

**math**

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..
*November 11, 2009 by Amanda*

**math**

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..
*November 11, 2009 by Amanda*

**Math**

Solve for S: r^2s-5s=7. Solve for b: L= 4a^2b. I'm confused about how to solve these problems. Could someone show me the steps?
*September 12, 2011 by Sue*

**Algebra**

Can someone please help me with this? I'm not looking for the answer, just a detailed explanation on how to solve this. Thank you in advance. Solve: 16(t - 1) + 10 > 8(t +2) + 4(t - 1) + 4t
*April 3, 2011 by Lace*

**Managerial Economics**

Can someone please help me solve this equation: Qs=1,050 and Qd=2000-2.5P. Solve for the equilibrium price 'P'
*August 23, 2013 by Kenesha*

**algebra**

can someone please help me solve this solve by completeting the square 1/2 ”¼X ”½^2 -7x=16
*October 2, 2013 by Rick *

**Math**

can someone please tell me how to solve problems like this>>>> 3/4q -7=8 3/4 is a fraction Thanks for helping me
*October 15, 2007 by Madison*

**math**

Can someone please help me solve this? What are the odds in favor of drawing a spade and a heart?
*October 9, 2009 by Aleah*

**MATH- Algebra 2**

Solve each quadratic in form equation. 1. 4y^4+9=13y^2 2. x-3x^1/2+2=0 3. (x-5)^2+2(x-5)-35=0 4. (x-2)^2-3x-2)+2=0 5. 2(x^2-5)^2-13(x^2-5)+20=0 6. 2x^2/3+5x^1/3-6=0 7. 6x^2/3-5x^1/3-6=0 8. x^-2+4x^-1=12 9. x^4-8x^2+7=0 10. x^4-2x^2-35=0 can someone please help?
*February 17, 2013 by Blair*

**math**

solve by the quadriatic formula, Im still trying to figure how to do this can someone please help me. (5x+1)^2 + 13=0
*October 3, 2013 by jerri*

**Math**

Solve for B: A=1/2(b+B) h show work. I am struggling with the above equation can someone please help? Thanks
*November 10, 2013 by A*

**Maths**

solve the following pair of simultaneous equation: (x/a)+(y/b)=1 (x/b)+(y/a)=1 can someone help please?i have no idea how to solve it =( x/(ab) + y/b^2 = 1/b x/(ab) + y/a^2 = 1/a Subtract one from the other y(1/b^2 - 1/a^2) = 1/b - 1/a y(1/b + 1/a)(1/b - 1/a) = (1/b - 1/a) ...
*July 11, 2007 by Emma*

**math**

solve by substitution method. 5x + 6y =5 x = 40 -9y first I rewrite to y=mx+b I get: 6y=5x+5 -9y= x +40 after that I am lost..... can someone please help me??
*November 11, 2009 by Amanda*

**MATH ***

0=-16t^2+80t+96 Solve for t. Can someone please show me the steps on how to do this I can not seem to get it right. Thanks!!
*December 2, 2013 by Steph*

**math**

Im a little confused can someone please help? Solve: -7x-24=-26 1/3 This is what i did, not sure if I did it right. -7x-24=-26 and 1/3, -24 from both sides -7x= 2 and 1/3, then divide by -7 and got x= -2 and 1/3 over -7 I have no idea how to right that so I know it has to be ...
*August 10, 2011 by =)*

**college algebra**

Solve the following inequality. x^3+9x^2-108 less or equal to 0. Then write your solution in interval notation. I am sooo confused and do not have any idea how to do this. Can someone please show me step by step please??? Thanks in advance. Someone who is confused.
*December 25, 2012 by allison-please help!!!*

**Math**

could someone please help me solve these two math problems? Which of the following numbers are integers? 2/13,570,0.096,-670,33.3? write in the lowest terms 2 1/4+4 1/7?
*September 23, 2010 by kiki83*

**Math Analysis**

6. Prove that f(x) = (3/4)x^4 + 2 and g(x) = (4sqrt(108x-216))/3 are inverses. I know you solve it with composite functions f(g(x)) and g(f(x)), and I solved f(g(x)), but I can't seem to solve g(f(x)) to equal x, like it should. Can someone show me how to solve this? Thanks :)
*October 24, 2009 by Emily*

**math**

Can someone help me solve the following....using elimination methods 1) 5x+7y=43 -4x+y=25 2)9x-9y=36 7y-3x=-14 I think the answers are would the answer to number 1 be (-4.26,1.52)? would the answer to number 2 be (-0.5,-6.5)? Can someone please verify or tell me what I did ...
*March 13, 2010 by Holly*

**Vectors**

Could you please help me solve this question: Solve this system of equations using elementary operations. 1. x/3 + y/4 + z/5 =14 2. x/4 + y/5 + z/3 =-21 3. x/5 + y/3 + z/4 =7 So far, I have multiplied all three equations by 60, to turn them into whole numbers. Then everytime I...
*May 25, 2010 by Darren*

**math**

Can someone please check my answers? Thank you! 1. is (-8,-9) a solution of 2x+4y=12 No 2. Solve using the multiplication principle. -1/2x=-9/10 answer: 9/5
*January 5, 2009 by deedra*

**math**

0.3x-0.2y=4 0.5x+0.3y=-7/17 Can anyone Please help me solve using the elimination system..... Someone tried to explain it but I still do not get it at all
*March 13, 2010 by Holly*

**Math**

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????
*January 19, 2011 by Brad*

**sixth grade math**

How to express 12/15 as a fraction, percent, and decimal. Someone please show me how to solve.
*November 12, 2014 by chris*

**Algebra**

91. Find the domain of: y=-3x+1 a. all negative numbers b. x>0 c. all real numbers d. x=3 Can someone please show the work and how to solve this problem. There are many of these in my lessons and I don't understand how to solve them. Do you solve for x?
*May 7, 2010 by y912f*

**Math SOmeone please please help**

Find the derivative of the function. g(u) = (5+u^2)^5(3-9u^2)^8 Could someone please explain the steps that would lead me to the answer? I'm completely stuck.
*February 21, 2011 by Anonymous*

**mat/116**

Will someone please help me slove this problem? Use the elimination method to solve the system of equations. 5u+2v=-18 3u+v=-5 I have tried to solve this problem several times and have not gotten the correct answer please help. Thank you.
*February 21, 2013 by Sade C*

**Math**

Whats a consisnent. like suppose 2,3,6,9,8 Can someone help please? Can someone help please: What are conssitent numbers in math? i need help on my math its algebra
*December 5, 2006 by Paris*

**math**

can someone please help me solve this problem......-3x=3/2 3/2 is a fraction. i tink the answer is -2 while my friend thinks it is -.5 who is rite?
*October 14, 2007 by Ann*

**Hard math**

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????
*January 19, 2011 by Sally*

**math**

Will someone please help me solve this problem. Simplify by factoring. ć250 this is a radical sign in front of 250.
*April 14, 2013 by Michael*

**mathhh!**

My teacher said we are supossed to solve this using systems of equations: Let a, b, and c be real numbers such that a-7b+8c=4 and 8a+4b-c=7. Then a^2-b^2+c^2= ? can someone please help?! i don't know what method to use to solve this or where to start
*September 13, 2009 by chrissy*

**Math help please**

1. Solve for x. 4(x - b) = x b = 4/3x b = 3/4x x = 4/3b x = 3/4b 2. Solve for y, then find the value of y when given x = 2. 6x = 7 - 4y -12 7/4 19/4 24 I need help solving these. Can you please explain how to solve these problems?
*October 2, 2013 by Charlotte*

**College Finite Math**

Suppose for this problem that Pr[E]=13/24 and Pr[F]=5/8 and Pr[(E U F)'] = 0. Finding Pr[E/F] and Pr[F/E]. For this problem I added 13/24 + 5/8 and got 1.17, therefore, I assumed that .17 is the intersection between Pr(E) and Pr(F). I know that to solve these problems I have ...
*March 16, 2009 by Rory*

**Math**

Could someone please help me with this math problem. I am lost on trying to solve this math problem. Add. Simplify if possible. s+r/sr^2 + 2s+r/s^2r Thanks.
*May 16, 2010 by B.B.*

**math**

I don't want to get this wrong for this homework that i have to turn in can someone please relook at it and tell me if it is correct plz.... solve. x^2+3x-18 my answer is x=3 and x=-6 yes.
*March 1, 2007 by jas20*

**math**

solve using the addition principle. -6+x>5 I have not done one of these problems with the less and greater sign... can someone please help me? thanks
*September 24, 2009 by Anonymous*

**math**

Johns football game last for 50 minutes. What reduced fraction of an hour is that? Can someone please explain to me how to solve this question?
*November 1, 2011 by Mindy*

**Math**

I need help on my math question. can someone please explain the process? You have $5 for lunch. You bought a turkey sandwich for $2.25. Write and solve an inequality to show how much more you can spend.
*May 20, 2014 by jelly bean*

**math calculus**

Hi could someone please explain to me how i would use the chain rule dy/dx = dy/du(du/dx) to solve for y= sin(x+y) - im looking for dy/dx i don't understand the steps thanks
*March 21, 2009 by sarah*

**Algebra 1**

Hi! I'm doing my math homework, but I got confused. Can someone please help me how to solve simplest radical forms with an example? With square roots?
*March 20, 2014 by Bob*

**math**

solve the absolute value 3/2x+4/-1=11 // stands for brackets could someone explain /2x+7/<=27 /2x+10/>26 /2x-1/=3 I do not understand if someone could help
*September 3, 2012 by brandon*

**math**

Someone please help me with this question. What would happen to an equation if you solve from right to left instead of left to right? And please provide an example.
*May 5, 2011 by sammyg*

**Math**

Please help me with the following by checking it. Solve for x: √(2x^2+5)=2 A. ±1 B. √2 - (This is my answer.) C. ±2 D. None of the above. I am not sure about my answer, can someone check it please. Any help will be greatly appreciated.:)
*April 7, 2014 by Brady*

**7th grade math**

The hypotenuse of a right triangle is 10 centimeters and one of the legs is 6 centimeters. the leg to the very left is 6 cm and the leg to the top is 10 cm. the bottom leg has a x for unknown. My teacher gave me the answer since I couldn't figure it out and she told me that it...
*January 27, 2013 by Dingbat*

**ALGEBRA 1**

Can someone please check on these for me please .Thanks Use the Quadratic Formula to solve 1.
*April 19, 2007 by DANIELLE*

**Algebra 1**

f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.
*January 19, 2011 by Esther*

**Algebra 1**

f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.
*January 19, 2011 by Esther*

**Pre-Algebra [urgent!]**

I can't find the solution to this problem; can someone please show me how to solve it step-by-step? Solve the equation for y in terms of x: 1. -8x + 5y = 10 Thanks! -MC
*May 4, 2009 by mysterychicken*

**Algebra 2**

Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2. y^2+10y i dont know ha...
*May 21, 2007 by Christian*

**Intermediate Algebra**

solve equation (x+1)(x-2)=54 Eric stated that the solution would be (x+1)=54==> x=53 or (x-2)=54==> x=56 However at least one of these solutions fails to work when substituted back in the orginial equation. Why is that? Please help Eric to understand better, solve the ...
*June 18, 2012 by ladybug Please Help!!*

**math**

could someone please help. given each set of data for ∆ABC: a) solve for b given ∠B=88 degrees,a=31.5m,c=25.6cm b) solve for a given ∠B=66 degrees,∠C=28 degrees,c=11.6cm i) state whether the sine law or cosine law is required to solve the unknown value...
*March 25, 2010 by deborah*

**Calculus**

Could someone please help me solve this If f(2)=f'(2)=g'(2)=g(2)=2, find (fg)'(2). How would I solve this, I am completely lost as to what I would do.
*February 22, 2010 by Taryn*

**Can someone help me**

multipy both sides by 44x Then take the square root of each side. Math question here. Can someone solve this for me?1/x=x/44
*May 21, 2007 by bobpursley*

**math. can someone do this for me please....**

* Consider the functions f(x)=1/x +4 and g(x)=2/x. Graph f and g on the same grid. a)Determine the points of intersection of the two functions. b)Show where f(x)<g(x). c)Solve the equation 1/x +4=2/x to check your answer to part a). d)Solve the inequality 1/x +4<2/x to ...
*January 6, 2014 by *ajay**

**Algebra**

I have a math CRCT test today and I needed some help on a last minute review problem. Can someone please explain how to solve this? 1. 12x-3+6x-2=31 -MC
*April 22, 2009 by mysterychicken*

**Math**

What are the odds in favor of getting at least one head in three successive flips of a coin? Can someone help me figure out how to solve this, please?
*November 13, 2009 by Anonymous*

**MATH**

I still don't know how to completely solve systems by substitution. Can someone please help me? 1. Y=-11+x 3x+10y=-6 How would you know where to plug in the right section of the equation in a certain place? 2. Y =6x-5 Y =-x+9
*January 28, 2014 by Anonymous*

**math**

Can someone please check my work? Solve using substitution method 1. 3x+2y=12 x=52-6y answer:-40.8 I am pretty sure that one is wrong. Solve using elimination method 2. 2r-7s=-31 7r+2s=24 answer: (230/53,-468/53) 3.3x+4y=3 6x+8y=6 answer: No answer. problems eliminate eachother
*January 6, 2009 by deedee*

**Math**

Solve. x-6/x-9=3/x-9. I came up with a answer of -2/3 but I don't think that is the right answer. Could someone please help? Thanks.
*May 16, 2010 by B.B.*

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