Tutors Answer Your Questions about Exponents-negative-and-fractional (FREE)
Question 52353: I am having trouble figuring this out. the problem is simple really there is just one little turn I can't figure out. a=40 and b=5 so here goes it is written in fraction form ans the first is -a/b, and 2nd is a/-b simple right now how do you figure the problem when the negative sign is right next to the fraction bar instead of next to the variable itself.
Click here to see answer by Earlsdon(6294)  |
Question 53752: Ive been stuck on this problem for almost 2 weeks now. I just cannot seem to find an example related enough to convince me that I am doing this correctly. Can you please help me? The problem is:
(x^2y^-3z)^1/2 / x^1/2yz^-1/2
The answer Ive come to is
x1/y^3/2z^1/2 / x^1/2y1/z^2
am I even close??
Click here to see answer by Earlsdon(6294) |
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(22740)  |
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(75887) |
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(75887) |
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(75887) |
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 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) |
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