Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)

Question 138374: How would I simplify?
(6a^2/7b^2)^-2
Click here to see answer by stanbon(57282)

Question 138371: How do I simplify this?
200^0 over 400
Click here to see answer by stanbon(57282)

Question 138381: after martha tumble began her job as an editor, she invested in a money market account paying 4.3% interest compounded daily (n=360). What was the effective annual yeild of this account?
Click here to see answer by checkley77(12569)

Question 138382: interest is compounded semiannually. Find the amount in the account after the given time:
Principal Rate of interest Time
$2000 5% 3 years
Click here to see answer by checkley77(12569)

Question 138383: Use the compound interest formula above to compute the interest earned on the investment.
$4800 for 1 year computed at 8% compounded quarterly
Click here to see answer by stanbon(57282)

Question 138373: How would I simplify?
-(3a^6b^4)^3
Click here to see answer by checkley77(12569)

Question 138372: (u^8z^7) over z^-3u^-2
How do I simplify?
Click here to see answer by checkley77(12569)

Question 138376: How do you simplify this?
(-4 + x^2 + 2x^3) – (-6 – x + 3x^3) – (-6y^3 + y^2)
Click here to see answer by stanbon(57282)

Question 138376: How do you simplify this?
(-4 + x^2 + 2x^3) – (-6 – x + 3x^3) – (-6y^3 + y^2)
Click here to see answer by vleith(2825)

Question 138386:
Click here to see answer by solver91311(16872)

Question 138363: During the2008 Masters Tournament, Tiger Woods ball was projected upward with an initial velocity of 88ft/sec(vo=88). When will the ball be 120 ft above the ground?
Click here to see answer by stanbon(57282)

Question 138394: what is the answer to 2y(cubed)-18y(squared)+28y=0
Click here to see answer by checkley77(12569)

Question 138394: what is the answer to 2y(cubed)-18y(squared)+28y=0
Click here to see answer by solver91311(16872)

Question 138332: I need with this problem 6y^2+12y+13=2y^2+4
Click here to see answer by checkley77(12569)

Question 138471: how do i divide this tutor plz help :

2x^3 - x^2 + 3x -1) ÷ (x + 2)
Click here to see answer by stanbon(57282)

Question 138721: How do you factor 12m^2+16mn-35n^2
Click here to see answer by stanbon(57282)

Question 138722: Could you show me how to factor out 81m^2-16n^2
Click here to see answer by stanbon(57282)

Question 138720: ok so i have a factoring polynomials test and im so confued!! the problem is
9b^2-20 i know that its prime but i dont know why its prime! please help!!

Click here to see answer by stanbon(57282)

Question 138726: Could you help me factor out 30a+am-am^2 Would 30a-am be a good start? thanks,tyler

Click here to see answer by stanbon(57282)

Question 138729: Can you help me factor 25a^2-16 please thanks
Click here to see answer by josmiceli(9664)

Question 138741: What is the anwer worked out to 81q^4-256m^4

Click here to see answer by stanbon(57282)

Question 138742: What is x^2+xy+5x+5y
Click here to see answer by stanbon(57282)

Question 138746: Solve: 3^(x^2-3x)=81
Click here to see answer by edjones(7569)

Question 138744: Solve this equation: (x^3-6x^2-40x=0)
Click here to see answer by edjones(7569)

Question 138692: Identify the rate of change (slope) and the Y-intercept. X^2+10X+250
Click here to see answer by stanbon(57282)

Question 138788: The triangular mainsail on a catamaran has a height 4 feet more than the width of its base. If the area of the sail is 30 square feet, find the height.
Click here to see answer by Earlsdon(6287)

Question 138813: How do you work out 12mn-8m?
Click here to see answer by stanbon(57282)

Question 138810: I need help on 6r^2+7r=3. I already have 6r^2+7r-3=0. thanks, tyler
Click here to see answer by vleith(2825)

Question 138829: How do you factor 144r^2-81s^2
Click here to see answer by vleith(2825)

Question 138811: Could you show me how to work out this word problem: A shopping center has a rectangular area of 40,000 square yards enclosed on 3 sides for a parking lot. The length is 200 yards more than twice the width. What are the dimensions of the lot? Thanks, Tyler
Click here to see answer by checkley77(12569)

Question 138786: Factor out the greatest common factor:
3x(5x-3)+5(5x-3)
Click here to see answer by checkley77(12569)

Question 138785: Factor out the greatest common factor:
24t^2(2t+5)-12t(2t+5)+18(2t+5)
Click here to see answer by checkley77(12569)

Question 138783: Factor completely:
125y^3+z^3
Click here to see answer by ankor@dixie-net.com(15645)

Question 138889: I am lost, please would someone help to do this problem. Simplify and evaluate:
(4^2 x^3 y^2 z^-3 /x^-5 y^8 z^-9)^2
I want to thank you in advance for taking your free time to help me.

Click here to see answer by stanbon(57282)

Question 138941: How do I factor out the greatest common factor?
2x^5-14x^4+16X^3
I start by doing the following I think!
2x(x^4-7x^3+8x^2) Now what? I don't know how to take past this point?
Click here to see answer by stanbon(57282)

Question 138975: How do I solve for x?
4x(x-1)-5x(x)=3
Click here to see answer by scott8148(6628)

Question 138994: I dont understand how to do this could u help me?
Click here to see answer by solver91311(16872)

Question 138976: How do I solve for x?
4x(x-1)-5x(x)=3
Click here to see answer by checkley77(12569)

Question 138939: I need to simplify by removing factors of 1.
9p^2+9p/36p^2+81p
Ok I started by factoring
3p(3p+3)/9p(4p+9)=
3p/9p*3p+3/4p+9
I am not sure if I am doing this right? I don't want to continue if I am doing it wrong. Please help! Thanks

Click here to see answer by vleith(2825)

Question 139024: OK.
MY QUESTION IS ABOUT POLYNOMIALS AND FACTORING.
I ONLY HAVE 3 QUESTIONS.
PROBLEM 1: Z^2+65+1000
[I NEED A NUMBER THAT MAKES BOTH WHEN ADDED OR MULTIPLIED.]
PROBLEM 2: X^2-45X+450
[I NEED A NUMBER THAT MAKES BOTH WHEN ADDED OR MULTIPLIED.]
PROBLEM 3: D^2-33D-280
[I NEED A NUMBER THAT MAKES BOTH WHEN ADDED OR MULTIPLIED.]
THATS ALL I NEED TO KNOW.
I CAN FIGURE OUT THE REST.

THANK YOU.

Click here to see answer by solver91311(16872)

Question 139029: please someone save me write a rational number in simplest form for each decimal expansion
___ ____
0.15 1.290 This is what i got 3/20 and 1290.90 can you tell me if these are right.Thanks
Click here to see answer by stanbon(57282)

Question 139033: please help .Rationalize the denominator of the fraction 3/3 / 3/7 I am truly stumped.THe slash between the threes and the slash between the three and seven looks like a division symbol only it has a tail.hope you understand what i mean thanks for your help
Click here to see answer by solver91311(16872)

Question 139042: My question is 2a^2-x-1
Click here to see answer by solver91311(16872)

Question 138665: can you factor this trinomial, or is it prime
Click here to see answer by solver91311(16872)

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