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

Tutors Answer Your Questions about real-numbers (FREE)

Question 508229: what is a real number between 7/8 and 9/10

Click here to see answer by Alan3354(69443)

Question 508307: 71/7 divided by 8/5 =
Click here to see answer by Maths68(1474)

Question 508330: ^4 sqrt 28^7
Click here to see answer by jim_thompson5910(35256)

Question 508792: /x+2/<10
Click here to see answer by edjones(8007)

Question 509513: How do I find three rational numbers between -26 and -15?
Click here to see answer by tinbar(133)

Question 510996: show me the step on answering irrational of 50
Click here to see answer by richard1234(7193)

Question 511172: (3w^2+2w+3)+(w^2+w+4)+(7w^2+3w+1)
Click here to see answer by solver91311(24713)

Question 510951: what are the rational numbers between 0 and 1/2?
Click here to see answer by richard1234(7193)

Question 511612: I cant solve this problem i have tried it many differnt wAYS...HERE IS THE PROBLEM:
4/5-10/12-5/6 divided by 14/8+10/21
Click here to see answer by oberobic(2304)

Question 511612: I cant solve this problem i have tried it many differnt wAYS...HERE IS THE PROBLEM:
4/5-10/12-5/6 divided by 14/8+10/21
Click here to see answer by Alan3354(69443)

Question 512695: (3+10)+7
Click here to see answer by rfer(16322)

Question 513058: -3c-12=-5+c

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Question 513058: -3c-12=-5+c

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Question 513372: Is 14 Rational, Irrational, or Real?
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Question 513391: I need to know a number that is an real, rational, integer, whole and natural number
Click here to see answer by oberobic(2304)

Question 515126: I have no idea why function problems scare me! Here's my questions:
Find the domain for the following function:
f(x) = 3rd root of 1-4x^2. I believe it is (-infinity, infinity) because I think I read that if your root is odd, then the answer is all real numbers! Am I correct?
What would I do without Algebra.com!
Thanks so much :)
Tracy
Click here to see answer by stanbon(75887)

Question 515758: -13<4x-2<-1, how to solve this?
Click here to see answer by tracyc0912(40)

Question 515887: What are the consecutive whose sum is -60?
Click here to see answer by Alan3354(69443)

Question 517255: how to do this math problem

1/4h+1/2=1

how to do this
Click here to see answer by Alan3354(69443)

Question 517558: Given the following sets, select the statement below that is NOT true.
A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t}, E = {t, e, a}
(Points : 2)
E ⊂ D
E ⊆ B
D ⊆ A
C ⊂ A
D ⊂ B
Click here to see answer by solver91311(24713)

Question 517492: what is a variable
Click here to see answer by ankor@dixie-net.com(22740)

Question 519164: 3(x-2)-9(x^2+7x+4)-5(x+8)
Click here to see answer by tracyc0912(40)

Question 519303: a quadrilateral has four sides. Quadrlateral ABCD has three sides that have equal measures. The measure of the fourth side is 8cm longer than each of teh over sides. If the perimeter of the quadriladeral is 28m find the measure of each side using the correct number of significant digits
Click here to see answer by oberobic(2304)

Question 518796: Explain why we choose a common denominator to add 1/3 + 3/4.

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Question 519761: the problem is y=bx-c how do I solve for y?
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Question 519759: how do I solve for y the problem is 18-10y less than or equal to symbal63+5y
Click here to see answer by rfer(16322)

Question 519954: The problem is y=bx-c How do I solve for x?
Click here to see answer by algebrahouse.com(1659)

Question 520328: convert 1200 dm (second power)= ____________________hm
Click here to see answer by Alan3354(69443)

Question 520927: is sqaure root of 16 a rational, irrational, whole, natural, or interger number?
Click here to see answer by stanbon(75887)

Question 521101: My question is " the set of whole numbers is closed under subtraction. if false, give a counterexample." First what are whole number? And what does it mean by closed under subtraction
Click here to see answer by jim_thompson5910(35256)

Question 521554: -6+7=3(2p-3)-4(-10+4p)
Can you solve and show me how to do it?
Click here to see answer by umnikmo(75)

Question 522544: find the slope of the line y= 10/3 x-12
Click here to see answer by jim_thompson5910(35256)

Question 522648: I need help solving this equation
3(2x � 1) + x + 7
Click here to see answer by jim_thompson5910(35256)

Question 522598: Please help solve:
5/z=7/z-1/5
Please show steps you took for completion.
Thank you!

Click here to see answer by ankor@dixie-net.com(22740)

Question 523337: show that between any two rational numbers there exist infenite number of rational numbers

Click here to see answer by richard1234(7193)

Question 524767: Would -5 be a "real" number?

Click here to see answer by oberobic(2304)

Question 524818: I am trying to solve (3√5*4√2)-8√10, I come up with the answer 4√10, When i check this again'st algibrator it comes up with 12√10-8√10. I do not understand why this is not simplified. Is it because i have to use the equation ((3√5)(4√(2)))-8√10 is it because of the way i have to use aligibrator? or am I wrong thinking that I need to simplify this further
Click here to see answer by solver91311(24713)

Question 524927: Rewrite in interval notation.
x<4 and x<3
Thank you so much : )

Click here to see answer by zoomkaboom4(62)

Question 518821: 1. Find the decimal representation for each of the following:
a. 2/3
b. 7/9
c. 1/24
Click here to see answer by zoomkaboom4(62)

Question 511976: 4x^2= -100
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Question 511976: 4x^2= -100
Click here to see answer by Alan3354(69443)

Question 527957: five more than eight times an unknown number is -35. Find the unknown number?
Click here to see answer by oberobic(2304)

Question 527992: Dear Anonymous,
Will you please tell me if I am doing this right.Here is the problem.
Find the product of -4(-y)(-7). Justify your answer using the properties of multiplication.
I also do not have the value of Y. This is my work. Will you please add to and/or edit it.
-4(-y)=4y
-4(-7)=28
28(4y)

Thank You,
Christina
Click here to see answer by jim_thompson5910(35256)

Question 529336: if the answer is m=0 does that make it all real numbers or no solutions? how?
Click here to see answer by stanbon(75887)

Question 529751: How do I find a real number between each pair of numbers?: 7 3/5 and 7 4/5
Click here to see answer by KMST(5328)

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