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

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Algebra: Negative and Fractional exponents

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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(6693)

Question 53494This question is from textbook Beginner and Intermediate Algebra
: 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! This question is from textbook Beginner and Intermediate Algebra

Click here to see answer by stanbon(26297)

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(26297)

Question 54894: if y =7 when x=4, find y when x = 12.
Click here to see answer by checkley71(8405)

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 54677: (-5)x(-n)=
Click here to see answer by stanbon(26297)

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(26297)

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(3495)

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 54675: (-5)x(-2)=
Click here to see answer by funmath(2873)

Question 55766: 3x devided by 4 =9
Click here to see answer by checkley71(8405)

Question 55768: x devided by 2 - x devuded by 3 =7
Click here to see answer by stanbon(26297)

Question 55854This question is from textbook heath algebra I an intergrated approach
: 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. This question is from textbook heath algebra I an intergrated approach

Click here to see answer by Cintchr(475)

Question 55972: 2x/5 + 6= x/5
Click here to see answer by checkley71(8405)

Question 55975: y-3/5 - 1 = y-5/4
Click here to see answer by rapaljer(3622)

Question 56159: Can you please help me solve this question?
1+1/x=90/x2
In words, one plus one over x equals 90 over x squared.
Click here to see answer by ankor@dixie-net.com(6693)

Question 56159: Can you please help me solve this question?
1+1/x=90/x2
In words, one plus one over x equals 90 over x squared.
Click here to see answer by stanbon(26297)

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(8405)

Question 56469This question is from textbook college algebra
: Please help me solve:
(6x^-3y^5)^2z^0
I can't have negative exponents. I thought I had this figured but...thank youThis question is from textbook college algebra

Click here to see answer by stanbon(26297)

Question 56622This question is from textbook Algebra 1
: Simplify. Express without using negative exponets. 1 (exponet)-4
Thank You!This question is from textbook Algebra 1

Click here to see answer by wgomero(28)

Question 56628This question is from textbook Algebra 1
: y<2y+3y
Thank You!!!This question is from textbook Algebra 1

Click here to see answer by funmath(2873)

Question 56585This question is from textbook Algebra

: 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.This question is from textbook Algebra

Click here to see answer by ankor@dixie-net.com(6693)

Question 56742: n^-2/n^3
Click here to see answer by funmath(2873)

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(26297)

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 57312This question is from textbook
: (-9)‾¾ Can you please help simplify this problem?
Thank you very much.This question is from textbook

Click here to see answer by funmath(2873)

Question 57314This question is from textbook
: (16y‾¾ /t½)‾2 Please help me simplify this problem?
Thanks a Bunch!This question is from textbook

Click here to see answer by funmath(2873)

Question 57589: -11/8x=44
Click here to see answer by checkley71(8405)

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 57611: DIVIDE: - 40/-8
Click here to see answer by BGluvsmath(64)

Question 57918: x to the positive 2 power times y to the negative 3 power
Click here to see answer by funmath(2873)

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(2873)

Question 58930: (5^2c^2d^3)^-2

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Question 58936: (0.4x^2y^4)^2
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Question 58947: 2x^3y
_____
4x^2y^3
Click here to see answer by checkley71(8405)

Question 59100: (4^-2+2^-3)^-4
Totally confused, could someone explain?

Click here to see answer by rcmcc(152)

Question 59099: (8x^-5)(-2x^3)^4
I am so confused, could someone please explain.
Click here to see answer by funmath(2873)

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(2873)

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(6693)

Question 60119: i need help with 10 to the negative 2nd power???? please help me.
Click here to see answer by tutorcecilia(2042)

Question 60118: how do u do this 10 to the negative 2nd power?
Click here to see answer by checkley71(8405)

Question 60775: can you help me re-write Rewrite this equation 2x – 9y = –72 as a function of
Click here to see answer by mszlmb(115)

Question 60775: can you help me re-write Rewrite this equation 2x – 9y = –72 as a function of
Click here to see answer by praseena(37)

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