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

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Question 758539: 2w – 3 + 3(w – 4) – 5(w – 6) how do I simplify this and if not why?
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Question 758486: (3+ square root 3 ) (2+ square root of 2 )

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Question 758254: What is 'set of real numbers'?

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Question 758254: What is 'set of real numbers'?

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Question 757525: 3+m[-6+n(4+n)]

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Question 756465: The set of all x between -5 and 3.
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Question 757579: what are the elements of real numbers
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Question 683467: Determine if the set of rational numbers is closed under division. Justify your answer.
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Question 683007: -18+6b<6(2+3b)+6
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Question 700695: DRAW A LINE GRAPH OF ALL WHOLE NUMBERS LESS THAN 6
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Question 685846: Please help:
solve:
5x-2y=10
thanks

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Question 686699: (b+3/5)^3 (1/b=3)^2
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Question 757481: insert two irrational numbers between root 2 and root 3
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Question 685847: Help! I have to solve for t

4s+3t=v
Thank you

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Question 683529: Is -16/7 a real number?
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Question 756913: Of the following sets of numbers, irrational, rational terminating integer, rational repeating, and rational terminating; which set does the following numbers belong?
a. 1/3
b. 1/4
c. the square root of 17
d. the square root of 9

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Question 756477: .By what should the sum of 2/3 and -3/4 be divided to get 5/4
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Question 755334: If A = {2, 4, 6, 8, 10…} and B = {1, 3, 5, 7, …}, what is A ∩ B?
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Question 755334: If A = {2, 4, 6, 8, 10…} and B = {1, 3, 5, 7, …}, what is A ∩ B?
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Question 755334: If A = {2, 4, 6, 8, 10…} and B = {1, 3, 5, 7, …}, what is A ∩ B?
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Question 756321: The set of all r such that r is greater than or equal to 2 and less than 8.
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Question 755950: The set of all z such that 4z - 5 is negative.
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Question 755951: The set of all x such that 2x + 4 is nonnegative.
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Question 755795: (-3/5)(-5)(2)(-1/2)
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Question 755533:
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Question 754740: does the equation y= 5x represent a proporational situation? Explain your reasoning.
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Question 680673: What is a real number between 9 and 16
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Question 685979: how do I write the following in set builder notation?
S={1,2,3,4,6,12}

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Question 703729: (7/9) 2 square - 6-5/3 how do I evaluate the expression?
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Question 689756: How do you add 9/x + 7/4x^2

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Question 737689: [2x(x-3)]/(x+4)(x^2-9)
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Question 752807: please help me with this sum please+help+me+with+this+sum+sqrt( 12 )/sqrt( 5 )-sqrt( 3 )
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Question 752807: please help me with this sum please+help+me+with+this+sum+sqrt( 12 )/sqrt( 5 )-sqrt( 3 )
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Question 745846: Please explain the difference between real numbers, rational numbers, and irrational numbers.
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Question 754129:
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Question 754440: How do you know what a real number is when dealing with fractional exponents
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Question 714771: Let ∪ = {1,2,3,….10}, list the following sets; a) Whole numbers b) Natural numbers c) Prime numbers d) Old numbers
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Question 708746: 4(-1/2+2/3(9)
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Question 742580: Im just now starting this class and im lost could you please help me out i need the real system number for 8
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Question 719163: Suppose that y is directly proportional to x and that y = -56 when x=8. Find the constant of proportionality k.
K=

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Question 730590: If p,q,r are any real numbers,then
a)max(p,q) < max(p,q,r)
b)min(p,q)=1/2((p+q)-(p-q))
c)min(p,q) < min(p,q,r)
d)none of these

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Question 694760: solve:
6x=2(x-3)=5x-(6-2x)

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Question 734492: What is the speed in miles per hour of a toy car that runs 40 feet in 8 seconds?

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Question 703731: A student scores 75 and 91 on two different tests of 100 points. If the maximum score on the next test is also 100 points, what score does the student need to maintain an average of at least 80?
I'm clueless with this one as well

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Question 754106: is the number 0.686868... rational or irrational or both or neither?
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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, 2791..2835