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

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 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 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 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 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 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 138741: What is the anwer worked out to 81q^4-256m^4 Click here to see answer by stanbon(57282)

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

 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 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 solver91311(16872)

 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)