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December 21, 2014

Search: math - Can someone please help to solve

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(-) = -tan
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 X ^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. 250 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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