







Joining a fitness center 
20161218 

Salem pose la question : A fitness center offers a special price for groupclass students. The cost of registration is 30 dollars and then you have to pay 25 dollars per month. What is the rule of the equation in the light of c=m+? Penny Nom lui répond. 





Proof that an erroneous algebraic statement is false 
20151214 

Berteanu pose la question : I need help with this proposition:
"It exists x a real number that for every y real number 5*x2*y*y=1
This is false.
Let x be from R.
And I need an y real number that 5*x2*y*y!=1
Please,could you help me? Penny Nom lui répond. 





I was wondering what xy means. 
20150930 

Eric pose la question : I was wondering what xy means. My two things I think it means are the two digits of x and y or x times y. thanks for your time,
Eric Penny Nom lui répond. 





{(1+x)^1/31/3X(1+x)^2/3}/(1+x)^2/3 
20130617 

STEPHEN pose la question : {(1+x)^1/31/3X(1+x)^2/3}/(1+x)^2/3 Penny Nom lui répond. 





A silver figurine 
20130503 

Renee pose la question : I have a silver figurine, the density of silver is 10.5g/cm3. if the figurine weighed 149 g. to determine the volume, he dropped it into a cylindrical glas of water. the diameter of the glass is 6 cm and the figurine was pure silver, by how much should the water level in the glass rise? Penny Nom lui répond. 





An algebraic exercise 
20130318 

autumn pose la question : given: f(x)=x/(x^2+2) determine: [f(xh)f(x)]/h Penny Nom lui répond. 





7x1/41/3[2x 1x/2]=19/3 
20130203 

M pose la question : 7x1/41/3[2x 1x/2]=19/3 Penny Nom lui répond. 





Forming an algebraic expression 
20121027 

ashley pose la question : A sidewalk has a constant width W and comprises several short sections having lengths
12, 14,and 10 feet. How do I find the simplified expression that gives the number of square feet of sidewalk? Penny Nom lui répond. 





Find an algebraic expression 
20121003 

Karen pose la question :
Question from Karen, a parent:
Find an algebraic expression relating the input and output.
input 
output 


3 
1 
9 
3 
15 
5 
21 
7 
27 
9 
Penny Nom lui répond. 





8(3x+4)+6x=4(x8 )+4x 
20120118 

bianca pose la question : 8(3x+4)+6x=4(x8 )+4x Penny Nom lui répond. 





What does 2xy mean? 
20111207 

dana pose la question : I don't know what is 2xy what does that mean? is it 2x+2y or 2x times y
Please help! thank you for your time!! :) Penny Nom lui répond. 





An algebraic equation with fractions 
20100910 

leah pose la question : If 6/x  (x1)/2 = 4
then the LCD is 2x, right?
so you get 12/2x  (x2x)/2x = 8x/2x, right?
then what do you do with the 2x when you turn it into a quadratic equation? Penny Nom lui répond. 





Algebraic Equations 
20100810 

Justin pose la question : the amount of money that Mika has if she has some quarters
how fast Rya runs if she runs 5 mi/h slower than Danae
please help,
thanks, justin Robert Dawson lui répond. 





An algebraic fraction 
20100628 

luis pose la question : 3x2//43x=12 Stephen La Rocque lui répond. 





Which values of x satisfy (x2) / (x+4) <7 
20100523 

Rocco pose la question : Which values of x satisfy (x2) / (x+4) <7 Harley Weston lui répond. 





(x+1)(x+2)(x+3)/(x+1)(x+2) 
20100519 

Nazrul pose la question : Simplify : (x+1)(x+2)(x+3)/(x+1)(x+2)
Which answer is correct:
(i) x+3
(ii) (x+2)^2(x+3)
Please help me. Harley Weston lui répond. 





Algebraic fractions 
20100422 

rory pose la question : 3x/(x²64)+4/(x²6x16)= Robert Dawson and Harley Weston lui répond. 





A rectangle problem 
20100412 

Charlene pose la question : The ratio of the width to the length of a certain rectangle is equal to the ratio of its length to the difference between its length and twice its width. If the area of the rectangle is 25cm^2, then what are its dimensions? Present a non algebraic solution? Tyler Wood lui répond. 





divide the product of 'x' and '3y' by '2z' 
20100119 

shradheya pose la question : write all fall using variable ,number, and basic operation
1. divide the product of 'x' and '3y' by '2z'. Penny Nom lui répond. 





The area of a rectangle 
20090821 

roxanne pose la question : the dimensions of the rectangle: 3x length and 4x width. What is the area of the rectangle in square units? Penny Nom lui répond. 





x^3+1/x^3=18*sqrt(3) 
20090708 

Nazrul pose la question : If x^3+1/x^3=18*sqrt(3) then how can I evaluate the value of x+1/x?
Thank you for your help. Robert Dawson lui répond. 





An algebraic exercise with fractions and radicals 
20081118 

Rubén pose la question : Question from Rubén, a teacher:
I have the ecuation:
U = [yb / (ab+a^2)]^1/2 + [ya / (ab+b^2)]^1/2
I know for sure this reduces to
U = [y (1/a + 1/b)]^1/2
but I cannot find a way to get into that result!
Thanks Rubén Osuna lui répond. 





Algebraic equations with fractions 
20081107 

John pose la question : Solve each equation. Check each solution.
1/8+5x/x+2=5/2 10/2y+8  7y+8/y(squared)16 = 8/2y8 Harley Weston lui répond. 





Solve the equation 2x + y = 6 for y. 
20081107 

fatiuma pose la question : Solve the equation 2x + y = 6 for y. Penny Nom lui répond. 





Algebraic fractions 
20081006 

Kayla pose la question : (x^29)/x times (x^34x)/(x^2+5x+6) Harley Weston lui répond. 





Adding fractions 
20080917 

amanpreet pose la question : please can you help me to simplify:
2(c3) / 7 + 3(4c2)/2 Penny Nom lui répond. 





An algebraic expression 
20080829 

Antonio pose la question : write a variable expression for 9 less than k Penny Nom lui répond. 





multiply = 3a  3b by a+b 
20080715 

chaleen pose la question : multiply = 3a  3b by a+b Penny Nom lui répond. 





x=(14x+16)/x8 
20080611 

Kory pose la question : Solve the equation.
x=(14x+16)/x8 Penny Nom lui répond. 





Algebraic fractions 
20080221 

sergio pose la question : how to simplify
(x^2 +5x+6)/(x^2  4) x (x^2 5x+6)/(x^29) Stephen La Rocque lui répond. 





Subtracting two algebraic fractions 
20080217 

Willie pose la question : Subtract and express the answer in simplest form. 5x3/6x+3/6 Penny Nom lui répond. 





Sum and difference of cubes 
20080130 

Amanda pose la question : It has been a really long time since I was in Algebra and I can't remember how to factor cubes such as x^3 +81 or subtracting/adding fractions with variables such as [1/(x+h)+2][1/x+2]. Please help!!! Penny Nom lui répond. 





The quotient of thirty and ten times a number. 
20070902 

Jenna pose la question : I need help on How to translate a phrase into an algebraic expression:
The quotient of thirty and ten times a number. Penny Nom lui répond. 





Adding algebraic fractions 
20070814 

John pose la question : Ive completely forgot anything to do with the subject mentioned, so my question is straight to the point..
I need to know how to do the following problem (Preferably do not give me an answer though)
(k/3k8)  (4/k+2) Penny Nom lui répond. 





Algebraic EquationsAx+By=C 
20070702 

Juan pose la question : The general "Standard" form of an equation is Ax+By=C.
ReWrite this equation in slopeintercept (y=mx+b) form. Harley Weston lui répond. 





Coefficients, constants and like terms 
20051005 

Elizabeth pose la question : In the equation 8y+6ab+73ab what are the coefficients; the like terms and constants? Penny lui répond. 





2x/x^29  6/x^2+x12 
20050927 

Emily Ann pose la question : 2x/x^{2}9  6/x^{2}+x12 Penny Nom lui répond. 





6x+7=8x13 
20050927 

A student pose la question : show me how to do 6x+7=8x13 Penny Nom lui répond. 





14p  8 = 22 + 20p 
20050927 

Tiffany pose la question : 14p  8 = 22 + 20p Penny Nom lui répond. 





x = (y^2  b^2)/2b 
20050904 

Bob pose la question : while looking at x=(y^{2}b^{2})/2b on a table I was preparing for a graph, I saw that there is a point where x and y get closer to each other's value. By trial and error I tried to find the point where x=y. I saw a number which looked familiar and I realized it was the square root of 2. and so, if y=b(1+square root of 2) then x=b(1+square root of 2) also, or as x=y.
My question is: How can this result x=y when y=b(1+square root of 2) be algebraically derived from the equation x=(y^{2}b^{2})/2b without pre knowing it is so? Penny Nom lui répond. 





3A/4 +1=(2A1)/3 
20050821 

Rachael pose la question :
I'm doing a practice test question and the answer I keep turning out is different from the answer on the answer sheet. I think I might be forgetting a step. The problem is:
3A/4 +1=(2A1)/3
The answer is 16. If anyone could explain the steps to me to getting the answer I would be grateful. Whenever I do it I get something completely different.
Penny Nom lui répond. 





Solve for x 
20050720 

Ed pose la question : ^{(x1)}/_{3}  1 = ^{(x + 2)}/_{2} Penny lui répond. 





Adding algebraic fractions 
20020320 

Dolores pose la question : I get totally confused with this problem. I get confused with the getting the lowest terms. 4/x5 + 2/x 10/x^25x Penny Nom lui répond. 





Simplify this expression 
20020226 

Francine pose la question : 2X power 5 Y power 3 times 18 X power 5 Y power 3 divided by X power 1/3 Y power 1/4.
I came up with 36  X 1/3 Y 1/4 The book says 36 x1/3 y1/4. I don't get it. Penny Nom lui répond. 





Adding algebraic fractions 
20020123 

Francine pose la question :
Hello, I've come up with an answer for the following problem but it's not the same as the book's answer. However, the book has a lot of mistakes in it and I don't know if I'm doing it properly or not. Your help would be soooo appreciated. It's driving me crazy.The problem is:
2 + 3 + 4
 +  + 
(x1)^3 (x1)^2 (x1)
[(x1)^3 is (x1) to power of 3 etc.] Penny Nom lui répond. 





An algebraic fraction 
20011025 

brandi pose la question : 4x  5 _____ =4 37x Penny Nom lui répond. 





Simplifying algebraic expressions 
20010512 

A student pose la question : How do you simplify algebra expressions? Penny Nom lui répond. 





4x  [2x (3x  2)] = 13 
20000513 

Teresa pose la question : I need to find the following equation. 4x  [2x (3x  2)] = 13 Penny Nom lui répond. 





Irrational algebraic functions 
20000221 

Bucky Cadena pose la question : Here is the multipart problem: Given f(x) = x3* squareroot of x + 4 What does the f(x) intercept equal Find the two values for which f(x) = 5 Find the one value for which f(x) = 3 Harley Weston lui répond. 

