# Questions on Algebra: Negative and Fractional exponents answered by real tutors!

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 Algebra: Negative and Fractional exponents Solvers Lessons Answers archive Quiz In Depth

 Question 173644: (2x-3)^1/3-3=-2 Click here to see answer by jojo14344(1513)

 Question 173468: I need help with simplifing this equation can you help? (2^1/2x^3/5y^-7/5/z^1/10)^-10 Click here to see answer by bob123132(33)

 Question 174166: (5a-b)/(5a+b) can you show the steps to simplify this equation? Thank you Click here to see answer by Edwin McCravy(9716)

 Question 174421: {xy^5/x^-4y^2]^-2 Click here to see answer by stanbon(60771)

 Question 174628: 6) If 4^x = 2^y and 9^x-1 = 3^x+1, which of the following are the values of x and y? (a) x = 2, y = 4 (b) x=3, y=6 (c) x=4, y=2 (d) x=6, y=3 7)When David was born, his grandparents deposited \$1,000 in a college account that promised 4 percent interest compounded annually for 18 years. Which of the following equations shows the worth of the account when David is 18? (a) y = 18(4)(\$1,000) (b) y = 18(0.04)(\$1,000) (c) y = \$1,000(0.04)^18 (d) y = \$1,000(1.04)^18 Show work thanks so much! Click here to see answer by ankor@dixie-net.com(16523)

 Question 174666: (12) The number of electric blankets sold at Jenkin's Home Furnishings from January 1 through December 31 can be represented by the function y= 680cos(pie/6 t) + 708 in which t is time in months with t =0 corresponding to january 1. Determine when the fewest electric blankets were sold and how many were sold. Show work thanks Click here to see answer by stanbon(60771)

 Question 174749: Would someone please help me with this I'm just not getting it. Thank you!! Make sure to supersript all exponents in the final answers should be positive. Final answers should have all single connecting signs and be arranged in descending order. A) Perform the indicated operations: (5x^2-3x+2)+(-3x^2+9x-8)-(x^2+3x-10) B) Use FOIL to multiply: (3x-8)(x-7) Click here to see answer by stanbon(60771)

 Question 174764: Make sure to supersript all exponents in the final answers should be positive. Final answers should have all single connecting signs and be arranged in descending order. 1) For f(x)=3x-5,find(2). 2)Multiply (4x+1)(2x^2+5x+1) Click here to see answer by Mathtut(3670)

 Question 174758: Thanks for all your help!! 1) Simplify and evaluate: (x^3y^-4z^0/3x^6y^-3)^4 3)Convert to scientific notation: 0.003816 Click here to see answer by ankor@dixie-net.com(16523)

 Question 174780: Make sure to supersript all exponents in the final answers should be positive. Final answers should have all single connecting signs and be arranged in descending order. For f(x)=3x-5,find f(2) Thanks ;) Click here to see answer by Alan3354(34674)

 Question 174803: How do i reduce the fraction -20t^5u^2v^3 over 48t^7u^4v? Click here to see answer by Alan3354(34674)

 Question 174834: (17) If 3sin^2(theta) - 4sin(theta) + 1 = 0, find all values of (theta) to the nearest minute in the interval 0 < x < 360. show work, thank you so much, i appreciate it alot Click here to see answer by josmiceli(10616)

 Question 174876: how do i write the expression 2 3/6 as a radical? Click here to see answer by josmiceli(10616)

 Question 174875: how do I simplify (6x^3 over 3x^4)^2? Click here to see answer by checkley75(3666)

 Question 174878: I need help to simplify r^-3s^5t^2 over r^2st^-2? Click here to see answer by stanbon(60771)
 Question 174878: I need help to simplify r^-3s^5t^2 over r^2st^-2? Click here to see answer by Alan3354(34674)

 Question 174958: how do I simplify the expression r^-3s^5t^2 over r^2st^-2? Click here to see answer by stanbon(60771)

 Question 174962: How do I find the hypotenuse of a right triangle with one leg at 3 centimeters and the other leg measure 6 centimeters? Click here to see answer by stanbon(60771)

 Question 174963: What is the lenth of a leg if of a right triangle if one leg is 15 centimeters and the hypotenuse is 20 inches? Click here to see answer by stanbon(60771)

 Question 174960: how do I find the square root of the fraction 64 over 100? Click here to see answer by Mathtut(3670)

 Question 174959: How do I simplify the expression 2 divided by 6 over 3divided by 0 ? Click here to see answer by Mathtut(3670)

 Question 174956: How do i simplify the expression (6x^3 over 3x^4)^2? Click here to see answer by Mathtut(3670)

 Question 174957: how do i find the value of x in the equation x/2+20=15+x/3? Click here to see answer by Mathtut(3670)
 Question 174957: how do i find the value of x in the equation x/2+20=15+x/3? Click here to see answer by stanbon(60771)
 Question 174957: how do i find the value of x in the equation x/2+20=15+x/3? Click here to see answer by Electrified_Levi(103)

 Question 175019: how do i simplify the expression 6*the sqroot of 2 over square root of 3? Click here to see answer by Mathtut(3670)

 Question 175089: is there somewhere on the internet where it could help me solve the question? Here is one of the questions it says Remove the radical from the denominator of the following fraction without changing the value of the fraction. could you please explain this to me step by step and show me this method with an example? Click here to see answer by solver91311(18785)

 Question 175802: 13) Simplify SR(45x^23) 14) Simplify 4th root of (x^5 divided by 16y^15) 15) Simplify (x1/4 y1/2)2(x2y3)1/2 thanks so much.....so confused....can you show the steps please??? math is my weakest subject!! Click here to see answer by josmiceli(10616)
 Question 175802: 13) Simplify SR(45x^23) 14) Simplify 4th root of (x^5 divided by 16y^15) 15) Simplify (x1/4 y1/2)2(x2y3)1/2 thanks so much.....so confused....can you show the steps please??? math is my weakest subject!! Click here to see answer by gonzo(654)

 Question 175869: How do you simplify expression.All varibles represent positive and real numbers. -(8a^3b^6)-2/3 Click here to see answer by stanbon(60771)

 Question 175954: It takes Erin 24 min less time to commute to work than it does George. Suppose that the variable x stands for the time it takes George to get to work. Then x-24 stands for the time it takes Erin to get to work. How long does it take Erin to get to work if it takes George 56 mins? Click here to see answer by gonzo(654)

 Question 176396: why are order of operation is need Click here to see answer by Mathtut(3670)

 Question 176692: Can you please help me. the directions are evaluate the exponential expression. Write as a fraction in the simplest form. 14. 4(4-2) the -2 this is an exponent negative 2 thank you Click here to see answer by solver91311(18785)
 Question 176692: Can you please help me. the directions are evaluate the exponential expression. Write as a fraction in the simplest form. 14. 4(4-2) the -2 this is an exponent negative 2 thank you Click here to see answer by stanbon(60771)

 Question 176834: Can you help with my Algebra problems? Q#15 Q#29 Q#30 Q#32 Click here to see answer by solver91311(18785)

 Question 177424: 12X^8Y^-7/(4X^-2Y^-5)^2 Click here to see answer by jim_thompson5910(29613)

 Question 177471: y=2^3/4 what is 2^3 in terms of y Click here to see answer by solver91311(18785)

 Question 177975: Does X^2=X^4 Sometimes? Always? Never? Click here to see answer by stanbon(60771)

 Question 178050: (5^(-1))(5^(-3)) Click here to see answer by HyperBrain(694)
 Question 178050: (5^(-1))(5^(-3)) Click here to see answer by Mathtut(3670)

 Question 178049: 3z^(-2) Click here to see answer by Mathtut(3670)

 Question 178401: I need to write this with out an exponent 16^3/4 is it 1024? Click here to see answer by jim_thompson5910(29613)