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

Tutors Answer Your Questions about real-numbers (FREE)

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(16946)

Question 386479: what is an example of a irrational number?
Click here to see answer by Fombitz(32388)

Question 386480: which of the following number are irrational?

0.0144
1.4
14.4
144
Click here to see answer by richard1234(7193)

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(75887)

Question 387115: between one and two there are how many real numbers?
Click here to see answer by user_dude2008(1862)

Question 387115: between one and two there are how many real numbers?
Click here to see answer by stanbon(75887)

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(24785)

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(24785)

Question 388472: a^2=81

Click here to see answer by Fombitz(32388)

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(69443)

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(69443)

Question 389990: Factor x�-x-a-a� 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(7193)

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(7193)

Question 390330: How do I evaluate the expression: (-5/6)^3(6/5)^2 ?
Click here to see answer by stanbon(75887)

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(35256)

Question 390368: can someone help me please?
Click here to see answer by jim_thompson5910(35256)

Question 390368: can someone help me please?
Click here to see answer by stanbon(75887)

Question 390369: help me please? what is 4 and two fifths as a decimal?
Click here to see answer by jerryguo41(197)

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(197)

Question 390383: help me?
Click here to see answer by Alan3354(69443)

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(69443)

Question 391531: what is (x+2)^2 factored?
Click here to see answer by Earlsdon(6294)

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

Click here to see answer by edjones(8007)

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

Click here to see answer by stanbon(75887)

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

Click here to see answer by jim_thompson5910(35256)

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(302)

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(7193)

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(69443)

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(75887)

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(35256)

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(22740)

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(69443)

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(7193)

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(35256)

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(75887)

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(11628)

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(7193)

Question 397877: 5n-15=20 n=
Click here to see answer by Tatiana_Stebko(1539)

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(16322)

Question 398310: Please help me to solve this problem: What is the value of k for the quotient
2-k/k-i if it is a pure imaginary number?
Click here to see answer by robertb(5830)

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