Number of results: 214,558
Math
We have an important chemsitry test due and I want to make sure that I do not mess up on my algebra. I am dealing with the integrated rate law, but my question is purely algebraically in nature. I hope, somebody can help me. 1) ln(A) = -kt+ln(B) solve for t solve for k solve ...
Monday, May 13, 2013 at 10:33pm by Yasemine
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...
Friday, October 26, 2007 at 2:58pm by kim
MATH PLEASEEEEE
I have a question, if f(x)=x/2 and g(x)=3x+1 find: a) (f+g)(x) i know you go x/2+3x+1. but how do i solve that?? b) (f-g)(x) i know you go x/2-3x+1, how do i solve? c)(f*g)(x) how do i solve? (f/g)(x) how do i solve?? f(g(x)) how do i solve?? thanks for your itmeee
Tuesday, December 16, 2008 at 5:38pm by Jamie Lynn
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?
Monday, September 12, 2011 at 3:23am by Sue
MATH PLEASE HELP!
Solve each system 3x+2y= -2 9x- y= -6 I know how to solve for x but i get really lost trying to figure out how to solve for the second variable
Thursday, September 11, 2008 at 8:14pm by Rachel
Math
they are the same. "Solve f(x)=0 for x" is redundant. Since you only have one variable, you can't solve for anything else. Solve f(x)=0 means to find a value for x which makes f(x) zero.
Wednesday, August 15, 2012 at 9:01pm by Steve
math
solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt can you please show how to do these? thanxx =)
Thursday, September 24, 2009 at 9:54am by narmin
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? ...
Saturday, October 24, 2009 at 8:42pm by Emily
Algebra 1- Math
What do yo mean by solve? Solve for x in terms of y? solve for y in terms of x? find an (x,y) which satisfies the equation?
Tuesday, February 5, 2013 at 3:36pm by Steve
English
1. However brilliant she is, she won't be able to solve this math problem. 2. However brilliant she may be, she won't be able to solve this math problem. 3. No mater how brilliant she is, she won't be able to solve this math problem. 4. No matter how brilliant she ...
Wednesday, March 2, 2011 at 4:35am by rfvv
math
B+G=33 B-5=G or B+G=33 B-G=5 then solve. I would solve by adding the equations, or 2B=38 then solve.
Tuesday, December 6, 2011 at 7:28pm by bobpursley
math
Eight subtracted from six times a number is -134. What is the number? A) Translate the statement above into an equation that you can solve to answer this question. Do not solve it yet. Use x as your variable. solve for x
Thursday, February 21, 2013 at 1:33pm by kelly
Math
Use your knowledge of exponents to solve. a) 1/2^x=1/(x+2) b) 1/2^x>1/x^2 So I know that these functions are rational functions.. and I am trying to solve for x. I tried to solve them by I keep getting stuck with the exponent 2 which is the exponential function.. Help ...
Sunday, June 7, 2009 at 5:13pm by Halle
math
solve each equation for 0=/<x=/<2pi sin^2x + 5sinx + 6 = 0? how do i factor this and solve? 2sin^2 + sinx = 0 (2sinx - 3)(sinx +2) sinx = 3/2, -2 how do I solve? These are not part of the special triangles. 2cos^2 - 7cosx + 3 = 0 (2cosx - 1)(cosx - 3) cosx = 1/2...
Sunday, February 15, 2009 at 7:54pm by sh
Math
How do I solve these problems, I really need help. Solve by substitution method 6x+5y=17 x=53-8y Solve by elimination method 2x+3y=5 4x+6y=10
Friday, October 17, 2008 at 11:08pm by Amy
math
how would I solve 10=7-m? I dont understand how to find the variable and I use flowchart!none of my math books show me how! so how can I solve problems like these?
Friday, January 11, 2013 at 4:00pm by Emi
Math - Algebra
Simplify and solve for x=2 and y=5. Please remember to group like terms. 1. 3x - 2y + 4x -3y 2. y + x - y - x 1. 3x2 - 2x5 + 4x2 - 3x5 6 - 10 + 8 - 15 2. 5+2-5-2 7-5+2 yah i think that's how to solve it, basically sub in the x and ys and solve
Thursday, May 17, 2007 at 11:09pm by Taariq
math
Solve systems by substitution 5x - 2y = -5 y - 5x = 3 Substitute 5x + 3 for y in the first equation, and solve it for x. Once you have x, use either of the two equations you wrote to solve for y.
Wednesday, August 8, 2007 at 1:36am by Robin
math
x * y = 7 x - y = 5 One method: express one variable in terms of the other variable and then solve the single variable expression. If x - y = 5 then y = x - 5 substituting back into the first equation: x * (x - 5)=7 Solve for x, then substitue the x value into either equation ...
Thursday, October 2, 2008 at 5:50pm by Quidditch
Math
Factor the polynomial P(x)=x^3-2x^2-13x-10. Then solve the equation P(x)=0. This is what I got: P(x)=(x+1)(x^2-3x-10) P(x)=(x+1)(x-5)(x+2) When it says solve the equation P(x)=0 does it means solve for x? If so then x=-1 or 5 or -2 Correct??? please and thank you
Tuesday, April 3, 2012 at 4:13pm by Anonymous
math
solve the following trig equation : 7 = 8sin(1/2)x. I can solve this using the half-angle indentity. But i need to solve this using period and phase change equation. how do i do this?
Wednesday, April 16, 2008 at 12:01am by shan
physics
solve for acceleration d=1/2 a t^2 solve for a, then f=ma solve for f. Then, knowing F f=kx to solve for a
Thursday, November 12, 2009 at 10:46am by bobpursley
algebra
Solve the indicated variable: 1. Volume of a cone: solve for h: V=¨ir^2h/3 2. Temperature formula: solve for C: F=9/5C+32 pleaseeeee help me solve these! plzzz! i have nooo idea how to do these. THANKS! =)))
Sunday, September 20, 2009 at 4:34pm by kitty kat
Math
You are a letter and now your in a math problem explain to the numbers what your purpose is, how you are a friend, and how you solve algebra problems. Create a math problem and solve it. Use the letter and the number as the characters. Please tell me that this is not a ...
Wednesday, May 2, 2007 at 2:52pm by Jordan
Math
Hi again, I don't know how to solve this problem. cube root of(cube roof of(x-1)-1) It would be ninth root of 1/(x-1) Thank you. Do you think you can explain to me how did you solve it? what are your feelings about math, rate your math anxiety, and describe what coping ...
Saturday, March 3, 2007 at 5:00pm by Lisa
algebra
there are so many ways of doing this problem! you can solve for x or y. let's solve for x. take -4x+y=41 when u solve x= 1/4y-41/4 plug that value of x into the other equation: 6x+3y=-21 it should look like this 6(1/4y-41/4)+3y=-21 and solve for y after u solve for y plug ...
Friday, February 24, 2012 at 9:17pm by luther
math
To solve, substitute 7-x for y in the second equation and solve for x. Put that value in the first equation to solve for y. Check by putting both values into the second equation.
Thursday, February 18, 2010 at 9:08am by PsyDAG
Math
I think it is 47184. Solve the hundreds digit first which is 1 + 0 = 1. Then solve for the thousands digit which is 1 x 7 = 7. Then solve for tens digit whichi is 1 + 7 = 8. Then solve for for your ones which 1/2 of 8 so it is 4. Then your ones is the same as your ten ...
Wednesday, October 17, 2012 at 10:14pm by Brandi
math 12
i got the wrong answer from the back, and i know that imnot dooing it right. please try to help me on this hard question. THE ANSWER WAS:16 solve the equation: 3log(x-15)= (1/4)^x i dont know how to solve it algerbrically. the teacher doesn't want us to solve it ...
Thursday, June 2, 2011 at 7:48pm by kajal
Math
a. 4(x+3.2) = 124.8 Solve for x. b. I cannot model. c. 5(x-2.75) = 29.50 Solve for x.
Tuesday, March 26, 2013 at 9:53pm by PsyDAG
math
1. solve for y: 2y-3<9+y 2. solve for x: 7-2x>3y
Saturday, January 19, 2013 at 1:48pm by john
Math
I solve mine a different way but I just want to know how to solve it like that. WHere do you get the 4 from?
Tuesday, October 30, 2012 at 5:53pm by Jerald
math
area of a trapizoid:A==h/2(b1=b2). solve for h dont know how so solve it
Tuesday, October 30, 2012 at 1:10pm by steph
Math..solve for u
Solve u-2[2=3 [ is square root. Please show work
Saturday, October 13, 2012 at 5:37pm by jasmin
Math
1. Solve for a a+2=6 a-2=2 2. Let x=initial number of friends. 0.4x = 0.25(x+6) Solve for x.
Thursday, August 2, 2012 at 9:30pm by MathMate
math
how do u solve a unit rate problem using proportions to solve
Thursday, January 26, 2012 at 11:31pm by Ch
math
PLS help! I've try to solve it but it's not working .. solve the inequality... x/3 > +2 x/6
Tuesday, March 30, 2010 at 6:52pm by Katherine
math
Solve 3sin2x - 1 = 0 Interval: [0, 2 pi] Solve 6cos^2x + 5cosx - 6 = 0
Sunday, November 15, 2009 at 12:40am by -
math
solve equation 3(k-4.8)=0.7(k-6.9) show steps to solve this please
Wednesday, December 5, 2012 at 11:43pm by Anonymous
Math
Solve for x: x^4-15X^2+14=0 How would I solve this problem?
Tuesday, January 10, 2012 at 5:12pm by Emma
Math - Algebra
How to solve ;; x-y <5 . How would I graph it ? Or solve it ?
Tuesday, September 21, 2010 at 10:08pm by RIMA
Math
I could've solve it if it didn't have decimal. I'd be appreciate if you could solve it form me. Thanks
Sunday, February 28, 2010 at 7:48pm by Ana
math
solve the first for b, and the second for b. then set them equal, and solve for a/c
Thursday, December 17, 2009 at 8:31pm by bobpursley
Math
h=at-.25vtsquared ,solve for a Please help me, I have no idea how to solve!
Sunday, October 4, 2009 at 3:17pm by Petronella
Math
How do you solve this problem S=2brh+2br(squared) solve for h
Monday, August 27, 2007 at 7:01pm by Nicole
math
Will someone please help me solve this problem. Solve and Check 3x^2=2x=5
Sunday, April 21, 2013 at 3:19pm by timothy
math
72 is what percent of 480? Write and solve an equation to solve the problem
Thursday, November 29, 2012 at 10:39pm by alex
Math
(a^6 x a^6)^k = (a^3)^(k+5) Solve for k. a. 3/2 b. 5/3 c. 2 d. 3 e. 5 I think when simplified its (a^12)^k = (a^3)^(k+5) but i don't know how to get k from here. How do you solve for these kind of exponents?
Monday, August 13, 2012 at 11:18am by Anonymous150
Math
Solve for x. .006x^3=8889 x = approx 114, but I don't understand how to get that answer. Can anyone help me solve? Thank you!
Thursday, June 7, 2012 at 11:13am by Francesca
Math algebra 1
25x - 10 ≤ 200 solve for x, easy to solve
Monday, April 30, 2012 at 9:50pm by Reiny
MAth
You could use proportion to solve for these. 6/10 = x/Amount attempt.[solve for x in the formula]
Sunday, February 20, 2011 at 9:20pm by Shadow
Math
Solve for y. -2y = 6 - 3x y = 1.5x - 3 Put in values for x, solve for y and plot.
Wednesday, September 1, 2010 at 5:54pm by PsyDAG
Math
radius increasses by 25000 solve for dimater then solve for circumference i think
Tuesday, April 7, 2009 at 8:46pm by Chemistry
Math
Solve each formula for the indicated variable V=xr^2h solve for h. HElp please.
Monday, September 29, 2008 at 10:48pm by Larry
math
If you are to solve for x, then set each term equal to zero and solve for x; as so, x-1 = 0; therefore, x = 1 3x + 5 = 0 x = ??
Tuesday, September 2, 2008 at 7:50pm by DrBob222
Math
subtract the first equaton from the second. 2P=8 solve for p, then solve for q in either equation.
Wednesday, November 7, 2012 at 1:00pm by bobpursley
Math situations
please help me solve Use the quadric formula to solve 2x^2-3x=-6
Saturday, March 31, 2012 at 2:09pm by Sandra M
math-calculus
solve 3|x-8|=2x+7 i not get how to solve this the 3 infront of absolute value bracket confusing me.
Tuesday, January 17, 2012 at 11:28pm by Shreya
math
You can solve this with a proportion. 26/14 = x/21 Cross multiply and solve for x.
Wednesday, May 25, 2011 at 11:07pm by Ms. Sue
math
You have to factor to solve. a^5 + 6a^4 + 5a^3 = 0 a^3(a + 1)(a + 5) = 0 a^3 = 0 a = 0 a + 1 = 0 a = -1 a + 5 = 0 a = -5 Do the other problems the same to solve.
Monday, February 7, 2011 at 9:35pm by helper
math
You're off by a little. Solve this ratio by cross multiplying and solve for x. 6/2 = 10/x
Sunday, November 28, 2010 at 5:55pm by Ms. Sue
math
how to solve a prism with a square base that has a height of 45cm and its volume is 72000000cm^3. how do I solve it?
Wednesday, September 29, 2010 at 6:34pm by asia
math
I'm struggling with this problem and can't find a good example in my book of how to solve. solve for y y-1/x-0=-3 thanks in advance
Monday, May 24, 2010 at 4:28pm by Jarzine
math/physics
Force= Eq, right? solve, you know the charge of a proton. F=ma solve for a.
Monday, January 11, 2010 at 9:57pm by bobpursley
Math
I cant figure out how to solve this problem Solve by Factoring: 5x^2-32=-12
Wednesday, December 16, 2009 at 12:26pm by Jaison
math
Please help me solve the following. Thanks, Write m^p = q using logarithms. Solve (1/e)^2x = 14
Wednesday, November 28, 2007 at 11:06pm by Scott
Math
Solve for the indicated variable p I don't know what you do to solve it. A=P+Prt
Tuesday, August 24, 2010 at 3:41pm by Liz
Math
Hi! Can someone solve these for me pls? Y=10/x y=1/2x+4 solve for x and y thanks
Thursday, April 15, 2010 at 2:10pm by Me
Math help 2
Solve: x^2 +8x </=9. How would I solve this?
Sunday, November 9, 2008 at 5:45pm by Shawn
math
how do you solve for n? for example... 14=(1.4)^n how do you solve exp. ?
Tuesday, February 26, 2008 at 2:01am by anonymous
math
solve for the indicated varialbe a=1/2h(B+b) solve for b
Saturday, December 8, 2007 at 12:10am by keauanna
math problem
7(41-5Y) +8Y =44 SOLVE Y AND THEN PUT Y = ? IN X=41-5Y THEN SOLVE X in fact ,purpose of substitution is to make a equation have only one unknown so that we can easily solve the problem
Thursday, January 19, 2012 at 10:27pm by amper
math. solve for t
1/1024=42*0.5^(t/12.5) Solve for t. Please show work. Much appreciated!
Saturday, October 13, 2012 at 7:23pm by Kyle
Math
(x-3) is a factor of x^3+ax^2+bx-3 but when divided by x+2 the remainder is 15 Solve for A and B I know that A is 1 and B is -11, but I don't understand how to solve it
Thursday, October 11, 2012 at 10:59pm by Kevin
Math
Solve: (don't forget about imaginary numbers) 5x^2-7x+12=0 how do I solve this? please help and thank you
Monday, March 12, 2012 at 5:27pm by Anonymous
Math
Solve for x: x^4-15X^2+14=0 How would I solve this problem? Could someone please show me the steps?
Tuesday, January 10, 2012 at 9:32pm by Emma
math..urgent pleasehelp :(
a) solve for t 30 = 60e^(-.05t) b) solve for a 50000 = a e^(-.05(15))
Thursday, March 3, 2011 at 1:40am by Reiny
Math/Algebra
Solve by elimination. Please me solve this equation. x + 7y = 37 -x + 8y = 38
Sunday, June 29, 2008 at 5:46pm by Meia
math
Solve the equation n + (n+1) = 205 Rewrite it as 2n = 204 Solve for n, the smaller of the two numbers.
Thursday, November 1, 2007 at 11:05am by drwls
math
x+y+5z=18 x+y+7z=26 x-4y-7y=-35 its a solve a 3 equation solve the system
Tuesday, September 11, 2012 at 8:31pm by ann
math
After you make an effort to solve these problems, I'll be glad to help you. For instance, it's hard to believe that you can't solve # 1.
Wednesday, September 5, 2012 at 2:03pm by Ms. Sue
Math
I have to solve the equation by finding a common base. 9^(x2-1)= 1/27^x Do i cross multiply and solve for x?
Saturday, February 4, 2012 at 11:03pm by kim
math graphing the y-intercept
solve for y set equation equal to each other solve for x use "x'' value to fo y
Wednesday, January 12, 2011 at 7:54pm by lala
math
that is the problem i cant solve it because i will end up with square root of -13.91. please solve this equation for me.
Tuesday, September 21, 2010 at 9:09am by layth
Math
Solve each literal equation for the indicated variable. 4x-5y=10 for y (the answer is y=4/5x-2) How do you solve this?
Friday, February 5, 2010 at 3:07pm by Brad
math
I believe you start by multiplying the 0.2 by 0.5 and the 0.5y by 0.2. That way you can eliminiate the y. Then you solve for x. from there, you can solve for your y value........ Hope that helps!
Sunday, February 15, 2009 at 9:45pm by Anna
Math
Solve the inequality: Absolute Value of X+5 is greater than or equal to 1. I'd appreciate someone telling me how to solve it and get the answer. Thank you
Monday, January 5, 2009 at 8:31pm by Amir
Math
solve: 4x^2 + 14x = 0 help me solve
Thursday, November 17, 2011 at 12:17am by Allison
Math-Fractions
Solve the proportion. 5/x=9/x+8 Solve for x
Saturday, October 17, 2009 at 1:19pm by Anonymous
math
how to solve (x ^2-1)/(x+1)-x ho can I solve to a -1. Please help
Monday, January 5, 2009 at 9:48pm by Julissa12
MATH
You can make a proportion out of this. (2.4/3) = (x/8) Solve for x. If you are to use trig, then cos angle = 2.4/3, solve for angle. and cos angle = x/8 solve for x.
Wednesday, March 17, 2010 at 7:02pm by DrBob222
Math- Algebra
hi wat method would i use and how would i solve this system of equations x^2+xy=3 3x^2+2xy-2y^2=7 In your first equation, solve for y... you should have xy= -x^2+3... divide this by x... so y = x^2+3/x plug what you solved for y into your second equation and then solve for x
Monday, May 21, 2007 at 9:20pm by Anonymous
Math
it means nothing to say "solve ln(3/4)" There's nothing to solve. It should say something like "evaluate ln(3/4) as a sum of logs of integers" or something Check examples in the same section of the text to see what they mean. If it's a stand-alone ...
Tuesday, September 11, 2012 at 10:57pm by Steve
math
a. Substitute (x + 2) from the second eq., simplify and solve for x. Then solve for y. The other two equations are done the same way. a. x+2 = x^2 x^2 - x - 2 = 0 (x - 2)(x + 1) = 0 can you finish it?
Tuesday, April 23, 2013 at 7:16pm by rbowh
math
Solve the equation by using the square root property. Simplify all radicals. 2x^2 = 11 how do I solve this?
Saturday, December 3, 2011 at 9:04pm by mandy
math
solve: 4+8 1/2 -:- (1/4) to the third power. solve -11-(x+30)=-41-2 (5x-18) please show your work
Monday, July 18, 2011 at 8:55am by keshia
Math; Pre- Algebra
Problem: -5k - 19 = 5 - 13k Solve for k. -15n = 16 = 86 - 29n Solve for n.
Thursday, October 7, 2010 at 9:36pm by Jessica
Math(Please help)
1. Multiply both sides by (x+6)^2 to get 1-(x+6)-12(x+6)²=0 Expand and solve for x. 2. Substitute y=x^(1/3) and solve for the resulting quadratic in y.
Monday, September 20, 2010 at 6:50pm by MathMate
math
solve for unknown: log9 r=3/2 logG 2=1/3 Can you show me the steps how to solve this problems.Thank yo very much for your time
Sunday, July 18, 2010 at 3:14pm by sandy
math
can someone solve this h/2 > 12 Treat the inequality just like an equation and solve. I hope this helps. Thanks for asking.
Tuesday, May 29, 2007 at 1:24pm by mike
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