# 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 53929: 3 friends, each with some cash, redistribute as follows; Ami gives enough money to Jan & Toy to double the amount that each has. Jan then gives enough to Ami & Toy to double their amounts. Finally, Toy gives Ami & Jon enough to double their amounts. If Toy has \$36 when they begin & \$36 when they end, what is the total amount that all 3 friends have? Click here to see answer by ankor@dixie-net.com(15652)

 Question 53494: Please help. The book isnt giving me enough guidance on this: Simplify (x^2y^-3z)^1/2 / x^1/2yz^-1/2 Working the problem, Ive gotten it to: x*1/y^2*z^1/2 /x^1/2*y/1/z^2 But I dont know where to go from here with the simplification process. The book doesnt have any examples like this. Any help would be greatly appreciated! Click here to see answer by stanbon(57347)

 Question 54612: Please help w/ the following exponential function: The number of bacteria present in a culture after t minutes is given as B=100^ kt. if there are 6231 bacteria present after 11 minutes, find k. Thank you, Aimee Click here to see answer by stanbon(57347)

 Question 54894: if y =7 when x=4, find y when x = 12. Click here to see answer by checkley71(8403)

 Question 54818: If the product 3/2.4/3.5/4.6/5....a/b = 9. what is the sum of a and b? Click here to see answer by wgomero(28)

 Question 55047: I am stuck on correct answer for: if the sum of 3 consecutive integers is 36, what is the smallest of these integers? I believe answer is 11 but I need to verify my work. Can you show me the breakdown to get correct resolve? Click here to see answer by stanbon(57347)

 Question 55045: I am stuck on correct answer for: if the width of a rectangle is 3 inches less than its length and the perimeter of the rectangle is 94 inches, what is the length, in inches, of the rectangle? I believe answer is 25 but I need to verify my work. Can you show me the breakdown to get correct resolve? Click here to see answer by Nate(3500)

 Question 55043: I am stuck on correct answer for: If x = 3 and y = -2, then 7x - 3y over 2x + y = I believe answer is 27 over 4 but I need to verify my work. Can you show me the breakdown to get correct resolve? Click here to see answer by anjulasahay(30)

 Question 55041: I am stuck on correct answer for: 3 over 2 - 5 over 6 = I believe answer is 2 over 3 but I need to verify my work. Can you show me the breakdown to get correct resolve? Click here to see answer by anjulasahay(30)

 Question 55768: x devided by 2 - x devuded by 3 =7 Click here to see answer by stanbon(57347)

 Question 55854: between 1970 and 1990, missouri's population increased at the rate of0.47%per year. thepopulation,p, in year t is given by p = 4,903,000 * 1.0047t where t=0 corresponds to 1980. find the populationin 1970,1980, and 1990. i understand that 1980 = 4,903,000 but can't figure out the formula to get the correct answers. Click here to see answer by Cintchr(481)

 Question 56440: What is the solution to 5x - 1/2x = 18 please show the work. What is the solution to -8x -2x = 15, please show the work. Click here to see answer by checkley71(8403)

 Question 56622: Simplify. Express without using negative exponets. 1 (exponet)-4 Thank You! Click here to see answer by wgomero(28)

 Question 56585: I do not understand how to solve the following: x squared + 5x + 4 OVER (x + 3)squared DIVIDED BY x + 1 OVER x squared minus 9 Please show me how to go about solving this. Thank you. Click here to see answer by ankor@dixie-net.com(15652)

 Question 57040: How many real solutions does this equation have? (x^2-9x+19)^(2x^3-x^2-10x)=1 Click here to see answer by stanbon(57347)

 Question 56756: her score so far after 15holes is -2. if par for 15 holes is 63, what is her score? Click here to see answer by rcmcc(152)

 Question 57563: A store sells an item for 4/5 of the cost paid by the store plus the cost paid by the store. The idtem sells for \$6.30. How much did the store pay? Click here to see answer by rcmcc(152)

 Question 57918: x to the positive 2 power times y to the negative 3 power Click here to see answer by funmath(2925)

 Question 58049: (a1/4b1/3)^3 (a1/6b2/3)^3 I have tried distributing the exponents to the top of the fraction and then adding the like terms. It just does not look right when I finish. Click here to see answer by funmath(2925)

 Question 59217: Can someone show me how to do this,,,,,step, by step?> Thanks (-125x^9/5y^-3/2)^5/3 Click here to see answer by funmath(2925)

 Question 60007: How do you solve 1/ 2/3 or 1 divided by 2/3? Click here to see answer by uma(370)

 Question 60086: Please help me solve this equation. I have to graph the exponential function y=-(3/2)x. x is the eponent that I have to plug into the function. My table has the integers -2,-1,0,1,2 Click here to see answer by ankor@dixie-net.com(15652)