Questions on Algebra: Exponents and operations on exponents answered by real tutors!

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Question 425164: 1f terry can paint a house in 4 hours and nissi can paint the same house in 6 hours how many hours can both terry and nissi paint the same house
its algebra
Click here to see answer by josmiceli(19441)

Question 425572: Good morning guys,
Quick question
divide 2x^3-7x^2-8x+16 by x-4 using long division:
I believe the answer is 2x^2+1x-4
Am I right??
Any help is welcome!
Thank you!
Click here to see answer by rfer(16322)

Question 425693: If you take a 50 question multiple choice test where each question has 4 answers to choose from what is the function for that question and how many ways can you answer.
Click here to see answer by stanbon(75887)

Question 425648: The height (h) in feet of a ball t seconds after being dropped is given by the function h(t)=9-16t^2 From what height was the ball initially dropped?
Click here to see answer by htmentor(1343)

Question 426352: Hi,
I am having serious difficulties with this problem.
[(0.125)^(-2/3)] - [3*(150)^0] + [12(2)^(-2)]
Thank you for spending the time to help me solve it.

Click here to see answer by htmentor(1343)

Question 426357: n-th root of [32/{2^(5+n)}]
I am having difficulties with this problem. Please guide me through it. Thank you.
Click here to see answer by jsmallt9(3758)

Question 426320: Hi,
I really need help on the following problem; I must have reworked it millions of times, but are not getting the right answer. Also, I am getting similar problems involving similar terms and grouping of terms wrong. Here is the problem, and here is how I did it. Thank you for you help.
[(3)^(-2) + 5*(2)^0]/[3-4(3)^(-1)]
[(3)^(-2)]/[(3-4*(3)^(-1)] + [5*(2)^0]/[3-4*(3)^0] =
1/[(3)^2] * [1(3)^1]/[3-4] + [5*1*3]/[3-4] = [3/(-9)] + 15 = -46/3
Click here to see answer by jsmallt9(3758)

Question 427004: What does[ ] mean in algebra and what order does it come in in the order of operations
Click here to see answer by stanbon(75887)

Question 427554: write the inverse function for f(x)=2+3x/ 4-5x

Click here to see answer by stanbon(75887)

Question 427640: Make S as a Subject of the formula? r=z(e^sw/kp-2)

Click here to see answer by Alan3354(69443)

Question 427677: I could sure use a help on one of my math problems, I am trying very hard to get it all of this. Can someone help me on this and in understanding how to do it?

X^25*X+1/2X^40=
* indicates multiply
Click here to see answer by Alan3354(69443)

Question 427675: I am studying the laws of exponents and could use a some help on this problem.
a^2x(ab)^3=
Click here to see answer by ewatrrr(24785)

Question 427767: how would you work this problem.
9/4 divide[3/5 + 2/15]
Click here to see answer by stanbon(75887)

Question 427767: how would you work this problem.
9/4 divide[3/5 + 2/15]
Click here to see answer by ewatrrr(24785)

Question 427822: 9/4divide[3/5+2/15] answer has to be a mixed number
Click here to see answer by rfer(16322)

Question 429429: how to figure out the answer to the question k with an exponent of 9 divided by k with an exponent of 4

Click here to see answer by richard1234(7193)

Question 429584: Rewrite the expression using positive exponents 2x/y^-2
Click here to see answer by nerdybill(7384)

Question 429584: Rewrite the expression using positive exponents 2x/y^-2
Click here to see answer by Alan3354(69443)

Question 429554: I'm trying to remember how to solve:
A exponent 5 / A exponent 9
Click here to see answer by Alan3354(69443)

Question 429886: Please help me divide the following:
x^4-7x^2+10 divided by x^2-5
Click here to see answer by stanbon(75887)

Question 430108: Simplify using positive exponents onlys. (x^3/y^2)^-4

Click here to see answer by haileytucki(390)

Question 430137: Can you please help me expand this equation (1+i)^6 thank you.
Click here to see answer by sudhanshu_kmr(1152)

Question 430139: Can you please help me expand this equation (10-i)^5 thank you.
Click here to see answer by robertb(5830)

Question 430197: (3x)x exponent 3=
Click here to see answer by Gogonati(855)

Question 430427: (3500)*(1.08)^X=14000*(1.03)^X
can you please explain how to solve it? Thanks!
Click here to see answer by lwsshak3(11628)

Question 430444: FInd the value of a and b if
(5^(n+1)-5^(n-1))/(3x5^(3n))=ax5^(bn)
Click here to see answer by robertb(5830)

Question 430444: FInd the value of a and b if
(5^(n+1)-5^(n-1))/(3x5^(3n))=ax5^(bn)
Click here to see answer by Edwin McCravy(20054)

Question 430877: 5^(x-3)*3^(2x-8)=225
X=?
Click here to see answer by lwsshak3(11628)

Question 430935: help solve this problem please (-7xcubed + 6xsquared - 11x + 13) + (19xcubed - 11xsquared + 7x - 17)
answers to choose from
12xcubed - 5xsquared - 4x - 4
26xcubed + 17xsquared + 4x - 4
-12xcubed - 7x - 17
xcubed - 5xsquared - 11x - 30
Click here to see answer by solver91311(24713)

Question 431175: Factor the given expression 4x^2 - 16t^2
Thank-you
Click here to see answer by subudear(62)

Question 431678: If I have x/2x would this then equal 1/x??
Also, if I have x^2/x^3 would this equal 1/x??? Can someone confirm if I can or cannot do this. Please advise. Thanks
Click here to see answer by josmiceli(19441)

Question 432183: (40x^4y^2)/(45x^3y^4z)
Click here to see answer by zem121234(2)

Question 432483: 1. If you start with $100 and add $3 every year then the function representing how much you have after t years would be"
a(t)=100+3t
compute: a(0), a(5),a(10),a(30).
Any help understanding this would be helpful. Thanks
Click here to see answer by ewatrrr(24785)

Question 432757: I am terrible at dividing exponents, and this one question is the only one like it in the entire guide, so I can't relate the question to another.
z (the number for z is 4 divided by 7) divided by 3x (number for x is 1 divided by 5) y (number for y is 11 divided by 3)
Thank you for taking the time to help me understand this question! (It's Grade nine math, if that will lower the amount of complexity of the question.)
Click here to see answer by checkley79(3341)

Question 433120: a= 00001
b= 00010
c= 00011
abc (........)
Click here to see answer by stanbon(75887)

Question 433278: I have had some trouble with exponents and here is a question on some homework I have had... I have tried this question lots of times but my teacher says its wrong.
30a^2 divided by 36ab
Click here to see answer by stanbon(75887)

Question 434045: (6^2)^-9 Type exponential notation with positive exponents
Click here to see answer by robertb(5830)

Question 434522: Use me commutative and/or associative laws to write two equivalent expressions.
7+(v+w)
Click here to see answer by tinbar(133)

Question 434719: When rewriting an exponential expression with a negative exponent and a positive base, such as 3-2 , to an expression containing only a positive exponent, does the sign of the base change? Demonstrate with an example
Click here to see answer by solver91311(24713)

Question 435389: Use the associative property of multiplication to write an equivalent expression.
(ab)c

Click here to see answer by MathLover1(20849)

Question 435507: Simplify. Write each answer using scientific notation.
4(3x10to the 5th power)
i tried to do this one myself and i got 1200000. am i doing it right?
Click here to see answer by rfer(16322)

Question 435596: [(-6x^y)^3]^7
(5x)^4 * (-4x)^3
I am a parent that wants to know what these two would look like simplified to make sure I am doing them correctly.
Click here to see answer by stanbon(75887)

Question 435690: hwo wold you solove 7 exponent 4 over 7 exponent 8
Click here to see answer by stanbon(75887)

Question 436047: A number to the 11th power divided by the same number to the 8th power equals 64. What is the number
Click here to see answer by mananth(16946)

Question 436693: type in exponential notation with positive exponents: ((49b^2)/(4b^2-8b+4)) * ((4b-4)/7b)
Click here to see answer by stanbon(75887)

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