Questions on Algebra: Real numbers, Irrational numbers, etc answered by real tutors!

Tutors Answer Your Questions about real-numbers (FREE)

Question 385430: Hello good people. i was wondering if there were any person whom come tell me the answer to this question Y equals what? i am not very good at math, and the fact my math book tells absolutely nothing on the way to help me with the questions, i believe your services can be of great use to me. as i said, i am not very good in math, so if you could give me an explanation of what you are doing and why, that would be fantastically helpful!
Click here to see answer by edjones(7569)

Question 386349: 4x(squared)-288=-4x
we have to solve to get either a rational or irratonal number.
Click here to see answer by mananth(12270)

Question 386479: what is an example of a irrational number?
Click here to see answer by Fombitz(13828)

Question 386480: which of the following number are irrational?

0.0144
1.4
14.4
144
Click here to see answer by richard1234(5390)

Question 386998: how do u evaluate the expession a(b-a)+c a=3 b=14 c=4
Click here to see answer by tara0066(31)

Question 386998: how do u evaluate the expession a(b-a)+c a=3 b=14 c=4
Click here to see answer by stanbon(57347)

Question 387115: between one and two there are how many real numbers?
Click here to see answer by user_dude2008(1861)

Question 387115: between one and two there are how many real numbers?
Click here to see answer by stanbon(57347)

Question 387780: Find a general term for the given sequence a1, a2, a3, a4, . . . .
15, 23, 31, 39, . . .
Click here to see answer by ewatrrr(10682)

Question 387778: Find a general term for the given sequence a1, a2, a3, a4, . . . .
14, 21, 28, 35, . . .
Click here to see answer by ewatrrr(10682)

Question 388472: a^2=81

Click here to see answer by Fombitz(13828)

Question 389488: what is the value of 1.3^2
Click here to see answer by haileytucki(390)

Question 389554: I'm to identify if the following 8 numbers are Rational, Irrational, Integers or Whole Numbers (some belong to more than one subset. Have I done this correctly?
-1.3 - Rational
4/5 - Rational
sqrt 8 - Irrational
sqrt 9 - Rational, Integer, Whole Number
2 3/4 - Rational
-.666 - Rational
sqrt -0.25 - Rational
17/4 - Rational
Sorry I don't know how to make the square root sign.
Thanks for all your help,
Suzie Dotson
Click here to see answer by Alan3354(30993)

Question 389854: Whats the answer to:
write in roster form the set of whole numbers represented by (3,8]
Would it be : (1,2,4,5,6,7]
Click here to see answer by Alan3354(30993)

Question 389990: Factor x²-x-a-a² completely.
The answer is (x+a)(x-a-1)
But I don't get how to solve it...
HELP
Click here to see answer by scott8148(6628)

Question 390025: What are the roots, both real and imaginary, of the equation x^3+18x=0?
Click here to see answer by richard1234(5390)

Question 390065: How do you.. Find the value of "K" with the the roots being 3x^2+kx+2=1 be real?
Click here to see answer by richard1234(5390)

Question 390330: How do I evaluate the expression: (-5/6)^3(6/5)^2 ?
Click here to see answer by stanbon(57347)

Question 390355: please help me solve this equation you exercise 1/2 hour on monday and 3/4 hour on tuesday. how long did you exercise on monday and tuesday?
Click here to see answer by jim_thompson5910(28595)

Question 390368: can someone help me please?
Click here to see answer by jim_thompson5910(28595)

Question 390368: can someone help me please?
Click here to see answer by stanbon(57347)

Question 390369: help me please? what is 4 and two fifths as a decimal?
Click here to see answer by jerryguo41(162)

Question 390398: Help me please? a park ranger measures parts of a trail. From the Nature Center, it is 2.25 miles to the waterfall. From the waterfall to Big Rock is 1 1/2 miles,and from Big Rock back to the Natre Center is 0.8 mile. What is the total length of the trail?
Click here to see answer by jerryguo41(162)

Question 390383: help me?
Click here to see answer by Alan3354(30993)

Question 391227: I am using the conjugate of my original equation, , and trying to simplify it. please explain how to factor x out of the denominator of the following expression: . My textbook states that is supposed to be the answer, but I do not understand how to factor the radical. many, many thanks!
Click here to see answer by Alan3354(30993)

Question 391531: what is (x+2)^2 factored?
Click here to see answer by Earlsdon(6287)

Question 391590: I need help solving 2t=4/7
keiacox28@yahoo.com

Click here to see answer by edjones(7569)

Question 393010: Find the real number between 1/4 and 1/8?

Click here to see answer by stanbon(57347)

Question 393010: Find the real number between 1/4 and 1/8?

Click here to see answer by jim_thompson5910(28595)

Question 393374: If y is an integer,which of the following is always an even integer?
(a) y + 1
(b) 4y
(c) 4y + 1
(d) .772
Click here to see answer by neatmath(300)

Question 393374: If y is an integer,which of the following is always an even integer?
(a) y + 1
(b) 4y
(c) 4y + 1
(d) .772
Click here to see answer by richard1234(5390)

Question 394166: What does my teacher want me to do when she puts this item on my study guide?
"p/q where p & q are integers"
Click here to see answer by Alan3354(30993)

Question 394166: What does my teacher want me to do when she puts this item on my study guide?
"p/q where p & q are integers"
Click here to see answer by stanbon(57347)

Question 394402: How do you insert grouping symbols in this equation to make it true? 8+ 25 x 2 divided by 6=11 ?

Click here to see answer by jim_thompson5910(28595)

Question 394453: If a number is multiplied by 7 and this product is increased by 42, the result is 87 greater than twice th opposite of the number. Find the number

Click here to see answer by ankor@dixie-net.com(15652)

Question 396308: If 2-i and 3i are the zeros how do you get to an equation from that
Click here to see answer by Alan3354(30993)

Question 396471: Jan can write a program in 9 days, if Dan helps her it takes 6 days. How long does it take Dan to write it by himself? The answer is 18. I believe X is 3 but I can't seem to put it in an equation.
Click here to see answer by richard1234(5390)

Question 397397: Can someone help me with this problem?
Find the following Assume that variables can represent real numbers?
√(a+3)^2
Click here to see answer by jim_thompson5910(28595)

Question 397940: iF I have 4x^2+5=6x^3 how would i solve for a real number solutions?
Click here to see answer by stanbon(57347)

Question 397940: iF I have 4x^2+5=6x^3 how would i solve for a real number solutions?
Click here to see answer by lwsshak3(6505)

Question 397940: iF I have 4x^2+5=6x^3 how would i solve for a real number solutions?
Click here to see answer by richard1234(5390)

Question 397877: 5n-15=20 n=
Click here to see answer by Tatiana_Stebko(1326)

Question 398139: I am not sure if I am understanding how to do this problem?:
5 - 2^4 divided by 16 x 3 - 4 =
I know 2^4 is 2 x 2 x 2 x 2 = 16 =
so wouldn't 5 - 16 = -11
The rest I am not sure how to figure out.
Click here to see answer by rfer(12660)

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