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

Tutors Answer Your Questions about Inverses (FREE)

Question 163177: 3/18 + 6/17= and -16/40+(-13/20)
Click here to see answer by Fombitz(13828)

Question 164737: could you please help me with this (((d+6(3)=-11))) thank you!
Click here to see answer by checkley77(12569)

Question 165913: i do not understand this.....-b=8 help

Click here to see answer by midwood_trail(310)

Question 166215: Hi there please help I am parent trying to help my eldest on Equation in year 9, this the question, This is where I am stuck because I don't if my equation is correct or not?
thanks Nick.
Click here to see answer by ankor@dixie-net.com(15660)

Question 166272: My problem is to find an inverse of the function f(x)=(3x+7)^3-5. I know this is started as y=(3x+7)^3-5. What steps follow and what is the answer? Thanks for your help!
Click here to see answer by jim_thompson5910(28598)

Question 166441: Here is my worksheet problem: The function f(x)=|x+3|+9 is NOT a one-to-one function. The points (19,31) and (__,__) prove that f is not a one-to-one function. What is the missing set of points? Thanks for your help! Linda
Click here to see answer by stanbon(57387)

Question 167276: eight more than the product of five
Click here to see answer by Mathtut(3670)

Question 167739: -1/3 / (-5/8)
Click here to see answer by jim_thompson5910(28598)

Question 168020: Help!
Is the equation Pressure=force/area a joint variation? How do you know?
Click here to see answer by gonzo(654)

Question 168453: please help me solve this problem: 1/5 - (-2/7). Write in simplest form.
Click here to see answer by eggsarecool(46)

Question 168656: A sum of a number and 7 times it's reciprocal is (16/3). Please solve for the number.
Click here to see answer by Mathtut(3670)

Question 161230: 10 x n = 8 this came out the Fifth Grade Harcourt Practice book

Click here to see answer by Alan3354(30993)

Question 169687: Can someone please help me out I'm stuck please help thank you so much
Divide: (2x^3 -x^2 + 3x-1) divide (x+2)
Click here to see answer by stanbon(57387)

Question 169689: A rectangular parking lot is 100ft longer than it is wide. Determine the dimensions of the parking lot if it measures 500ft diagonally.
please help thank in advance
Click here to see answer by stanbon(57387)

Question 170763: what is 4/9x+7=31

Click here to see answer by Mathtut(3670)

Question 170916: 2x +3y=10
6x+4y=5
Adiition (elimination method)
Click here to see answer by checkley77(12569)

Question 170979: write the equation for the inverso of F(x). Show how you did it please :)
F(x)=2x+4.
thank you for all of your help :)
Click here to see answer by Mathtut(3670)

Question 171133: PLEASE I NEED HELP
FIND THE INVERSE OF THE FUNCTION
F(x)=(x-5)3-3
Click here to see answer by oscargut(891)

Question 171756: What is the inverse of F(x)= (3x+5)/2? Write the answer in the form of F^-1(x)=
Click here to see answer by stanbon(57387)

Question 172029: How do you flip the fraction if it is for example
2 1 and a half times 8
Click here to see answer by Alan3354(30993)

Question 172301: what is the additive identity of -3/4?
Click here to see answer by Mathtut(3670)

Question 172979: (6x4)+b=60
Click here to see answer by Mathtut(3670)

Question 173309: How do I find the inverse of -3x^2 + 7?
Please help!
Click here to see answer by Mathtut(3670)

Question 173489: write an equation to show the property of one in mutiplication
Click here to see answer by Mathtut(3670)

Question 175511: How can I find the answer to a problem like this one ?
5m1=24
Click here to see answer by Alan3354(30993)

Question 175626: Find the additive inverse of each number
1.) 3-7i
2.) -2 + i

Click here to see answer by Mathtut(3670)

Question 175626: Find the additive inverse of each number
1.) 3-7i
2.) -2 + i

Click here to see answer by solver91311(16897)

Question 176199: In bowling a handicap is a change in score to adjust for
differences in players’ abilities. You belong to a bowling league in which each
bowler’s handicap h is determined by his or her average a using this formula:
h = 0.9(200 - a)
(If the bowler’s average is over 200, the handicap is 0.) Find the inverse of the
function. Then find your average if your handicap is 27.
Click here to see answer by solver91311(16897)

Question 176397: 2/13=8/13x+4/13
Click here to see answer by EMStelley(187)

Question 176397: 2/13=8/13x+4/13
Click here to see answer by stanbon(57387)

Question 176475: If two numbers are opposite of each other, are their reciprocals also opposite of each other?
Click here to see answer by Mathtut(3670)

Question 178677: Hi I typed my email address wrong it has been a frustrating evening trying to solve this problem.
-14/23=2/7-1/7x
We did the following
-14/23-2/7=2/7-2/7-1/7x
-98/161-46/161=-1/7x
After that we get confused
Click here to see answer by stanbon(57387)

Question 178673: Hi I am a parent trying to help out my child work thru a problem in pre algrebra
the problem is -14/23= 2/7-1/7x
We start out doing -14/23-2/7=2/7-2/7-1/7x which is -98/161-46/161=-1/7x
after that we get confused. Are we on the right track
Click here to see answer by Alan3354(30993)

Question 179119: 17+r

Click here to see answer by Mathtut(3670)

Question 179329: is this a associative of property of multiplication(3)(-9)=(-9)(3)
Click here to see answer by MathLover1(6638)

Question 179547: How would you do question 2 a,b+c on page 32 and page 33 question 5 iii. Thank you
Click here to see answer by Alan3354(30993)

Question 179838: What is an inverse? Like an inverse of 1,2,3,4? I have never heard of this? That is the question???

Click here to see answer by stanbon(57387)

Question 180089: if the reciprocal of x+1 Is x-1 determine x
Click here to see answer by stanbon(57387)

Question 180448: An electric current (c) varies inversely as the resistance (r) of the circuit. c1= 6 amps, c2=? r1=115 ohms, r2=70 ohms. The missing proportion is?
Click here to see answer by Mathtut(3670)

Question 180443: The attraction (A) betwen a magnet and a bar of iron varies inversely as the square of the distance (d) between the magnet and the bar of iron. The attraction between the two is 2 newtons when the distance is 3 cm.
The measure of the attractin when the distance is 0.5 cm is?
Click here to see answer by Mathtut(3670)

Question 180583: how do i figure out how to do f(x)=x^3+2??
Click here to see answer by user_dude2008(1861)

Question 181085: The domain of y=1/x is?
Click here to see answer by eperette(173)

Question 181087: If distance travelled is inversely proportional to the square root of the time taken, and distance is 13 m, after 9 sec, then the constant of proportionality is?
Click here to see answer by eperette(173)

Question 181088: If the strength of a beam is inversely proportional to the length , and a beam 5 m long can support at most 100 kg , the number of kg an 8 m long beam can support is?
Click here to see answer by eperette(173)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350