|
Tutors Answer Your Questions about real-numbers (FREE)
Question 121531: ok im stuck on what to do next heres the problem and what i have so far
problem: 3/x^2+4x-5 minus 2x/x-1=
here's what i have so far i found the LCD which is (x-1)(x+5)
3/(x+5)(x-1)minus 2x(x+5)/(x-1)(x+5)=
3-2x^2+5x/(x-1)(x+5)
and there is where i got stuck!
thanks in advance!
Click here to see answer by algebrapro18(206)  |
Question 122499: I need help with the following. I know that I've asked previous questions today. I have tried doing all of the questions I've asked, but I'm having a hard time with them.
Given A = {1, 2, 3}, B = {3, 4, 5, 6,}, and C = {3, 5, 7}. Evaluate each set
a) A ∩ B
b) A ∩ C
c) A U C
d) B U C
e) (A U B) ∩ C
f) A U (B U C)
g) (A ∩ B) ∩ C
h) (A ∩ B) U C
Click here to see answer by Fombitz(13828)  |
Question 122497: I need help with the following
Given U = {l, m, n, o, p, q, r, s, t, u, v, w}, A = {l, m, n, o, p, q}, B = {n, o, r, s, v, w}, and C = {l, m, p, q, r, t}, find (A′ U C′) ∩ B′.
Click here to see answer by bcpm36(2) |
Question 122542: I just need to know if I got this answer correct. My answer is 53. Here is the problem.
A survey of a group of people produced the following results: there were 25 people with brown eyes and 15 people with blonde hair. If 10 people had both brown eyes and blonde hair and 23 people had neither, how many people were interviewed?
Click here to see answer by stanbon(57246) |
Question 126913: The directions state name all of the sets of numbers to which each real numbers belong. Let N = natural numbers, W = whole numbers, Z = intergers, Q = rational numbers, and I = irrational numbers. 18#. 0.131313 what is the answer to this question. I do not understand what the difference in these are could you please explain it to me?
Click here to see answer by Fombitz(13828) |
Question 130752: Please help me, This problem I have solved, but I have difficulty cheacked it.
The problem was: Solve and cheack each of the following.
4 5
- = -, the answer that I got was x=5.6
x 7
It is the right answer, but I dpn't know how to check it. Please help me, Thank You=)
Click here to see answer by bucky(2189) |
Question 130914: Please see if I'm doing this right - very rusty with algebra.....
Question: Simplify: (2x - 7)-(5 + 4x) + (3x - 8)
2x - 7 - 9x + 3x - 8
(combining like terms - add 2x - 9x + 3x)
-4x - 15
Do I have the correct answer?
Click here to see answer by Earlsdon(6287) |
Question 130946: The answer I got for this was 1, but I am not so sure about it.
The question is:,,,,,,,,,,,,,,,,,,,,, -
one third of a number is,,,,,,,,,3
5 less than half of the same number. What is the number? Than it says to cheack it. Please and THank you=)
Click here to see answer by solver91311(16868)  |
Question 131025: Hi!
I am having difficulty with this particular question it asks to: Solve and cheack each of the following. For this problem the answer that I got for it was 24(x+3)=32, though it was wrong. The problem is:
24 72
-- = --
x-3 x+3
Please and Thank You=)
Click here to see answer by pug912(10) |
|
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, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790
|
| |
