Questions on Algebra: Inverse operations for addition and multiplication, reciprocals answered by real tutors!

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Question 257251: the sum of numenator and denominator of a fraction is 17. if three is added to the numinator, the value of fraction will be 1. what is the fraction?
Click here to see answer by richwmiller(17219)

Question 257805: Inverse of y=4x-2
y=2x+4
y=1/4x + 1/2
y= 1/4x-1/2
y=4x +1/2
Click here to see answer by drk(1908)

Question 258236: 2x+5=9x-16

Click here to see answer by richwmiller(17219)

Question 258236: 2x+5=9x-16

Click here to see answer by Nieleya(22)

Question 258210: ok guys, here is my problem, i am having a problem with the process.
3{[7(x - 2) + 4] - [2(2x - 5) - 0]} The goal is to simplify this. the answer according to my math book is 9x-18. please help and thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 258498: What is the inverse of the function f(x)=64x^3?
f^-1(x)=_________
Click here to see answer by edjones(8007)

Question 258498: What is the inverse of the function f(x)=64x^3?
f^-1(x)=_________
Click here to see answer by jsmallt9(3758)

Question 260592: I'm having a difficult time with word problems.
1).The length of a rectangular is 1 1/4m, and the width is 3/5m. What is the actual width if the actual length is 200m?

Click here to see answer by richwmiller(17219)

Question 260829: My homework says "Show that the number is a rationsl by righting it in a/b form. Then give the multiplication inverse and the additive inverse of the number" how would you do that?
1. -4/7
2. 8 2/5
3. -1 1/2
Click here to see answer by Theo(13342)

Question 256933: X + 5 + X + X - 45 = 392
I come up with X = 144?
Click here to see answer by Nieleya(22)

Question 256606: 2n+6=7n-9
Click here to see answer by Nieleya(22)

Question 256604: 1/2(2n+6)=5n-12-n
Click here to see answer by Nieleya(22)

Question 256605: 8y-3=17-2y
Click here to see answer by Nieleya(22)

Question 261394: Find a formula for the inverse function f^-1 of the indicated function f.
f(x)= 5 + 9x^9/13
Click here to see answer by drk(1908)

Question 262145: inverse of f(x)=x-1/7
Click here to see answer by palanisamy(496)

Question 262471: what is the unit price for a can of soup that is $1.19 and is 5oz
Click here to see answer by richwmiller(17219)

Question 262565: how to find the inverse of f(x)= sqrt((x^2)+8x) thanks :)
Click here to see answer by drk(1908)

Question 262763: What is the multiplicative inverse for 2.48?
Click here to see answer by drk(1908)

Question 261384: Suppose "x" is a number such that 11^x = 13
Evaluate: (1/128)^x
Click here to see answer by Alan3354(69443)

Question 262853: can you please tell me if my answer is correct if not what is correct? s=4lw+2wh for l i have 48
Click here to see answer by Alan3354(69443)

Question 262856: please tell me if this answer is correct. a 25 foot beam is to be divided so that the longer piece is 1 foot more than 5 times the shorter piece.if x represents the length of the shorter piece,find the length of both pieces. i have 1.6 for the shorter piece and 8 for the longer piece.
Click here to see answer by dabanfield(803)

Question 262924: How to find the inverse of one-to-one function bellow?
f(x)=3x-5

Click here to see answer by Edwin McCravy(20054)

Question 263240: What is the additive and multiplicative inverse for the following:
a)8
b)3 1/2
c) -1/4
Click here to see answer by palanisamy(496)

Question 263578: I don't know if this is the right spot for this question. but please explain this to me if you can.I would greatly appreciate it!
6/2^x - 49/x = 17
Click here to see answer by drk(1908)

Question 264609: 3+11 = 5+x
Click here to see answer by jim_thompson5910(35256)

Question 265999: use inverse operations to write the inverse of f(x)=x/5+2

Click here to see answer by Earlsdon(6294)

Question 266204: Please evaluate the following function or inverse; then write the ordered pair.
f(x)=3x+1 and f^-1=(x-1)/3
f(2) = ( )
( , )
Thank you for your help!
Click here to see answer by stanbon(75887)

Question 266242: Please help me in evaluating the following function or inverse; then write the ordered pair
f(x)=3x+1 and f^-1=(x-1)/3
f^-1(10)=
(? , ?)
Thank you so much.
Click here to see answer by asuar010(338)

Question 266825: 1/2t=4. i have to use inverse operation please help
Click here to see answer by stanbon(75887)

Question 267506: What is the best metric unit to measure the distance between Los Angeles and New York City?
Click here to see answer by drk(1908)

Question 269035: Please help me solve this problem y/2-6=4
Click here to see answer by Earlsdon(6294)

Question 269035: Please help me solve this problem y/2-6=4
Click here to see answer by checkley77(12844)

Question 269035: Please help me solve this problem y/2-6=4
Click here to see answer by persian52(161)

Question 269862: Hello I think this is th catagory
It states to solve -3/8 Greater than or less than -1/16
Then it states the solution set is {x/x }
Simplify your answer type an inequality symbol then type an interger or a fraction
Click here to see answer by drk(1908)

Question 270421: I need to use inverse operations to write the inverse of this function: f(x)=10-4x
Click here to see answer by papugai(18)

Question 271385: what is 6r-1+6r=11
Click here to see answer by solver91311(24713)

Question 271899: What is the inverse for the function f(x)=x^2+2? Is the inverse f^-1(x) a function? Explain.
Click here to see answer by edjones(8007)

Question 273008: 3/5y=6
please help...thanks..
Click here to see answer by persian52(161)

Question 274238: A is the point (2,3) and B is the point (4,9)
(a) Find the slope of the line segment [AB]
(b)Find the slope of a line perpendicular to line segment [AB]
(c)The line 2x+by-12=0 is perpendicular to the line segment [AB].What is the value of b?
Click here to see answer by checkley77(12844)

Question 274865: The equation of a line L1 is y=.5x
(a) on graph paper draw and label L1
The line L2 has the same slope as L1, but cross es the y-axis at 3
(b) What is the geometric relationship between L1 and L2?
(c)write down the equation of L2
(d) on the same grid as part (a) draw the line L2
Click here to see answer by ankor@dixie-net.com(22740)

Question 275123: what are the steps to completing and finding out the ivnerse function of the folowing equations?;
y= -2|x-3|-4
and y=2(x+1)^2+5
please and thank you.
Click here to see answer by edjones(8007)

Question 277234: hello, i'm having trouble on my math homework. we have something called the problem of the week, and i dont know what the process is, so could you help me with the process? the question is: Three if the teachers on the north star team decided that they needed some extra money. They made a decision to open a cookie store that featured bear-size cookies. Mr. V and Mr. S decorated the cookies and Mr. L sold the cookies. Mr. V could decorate a cookie in 7 minutes, Mr. S could decorate a cookie in 12 minutes. But Mr. L was eating a cookie every 9 minutes. If these teachers open the store and have no cookies decorated, how long will it take them to produce 500 decorated cookies that can be sold?
i just need the process and how to do the process because i'm having trouble and my teacher wouldnt help me.
Click here to see answer by solver91311(24713)

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