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

Tutors Answer Your Questions about real-numbers (FREE)

Question 466359: In the following problem a, b, c and d represent real numbers.
Prove: If a = b and c < d, then a + c < b + d

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Question 466951: what is a number that is real numbers and irrational?

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Question 465773: 9=5+4t
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Question 467304: Simplify: -48 � (7 � 9)� - 2[ 1 � 5 (2 � 6) + 3�]
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Question 467299: i wnt all formula
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Question 466950: a number that is real numbers and irrational

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Question 467877: how do you work this problem -1/2*3/5*(-2/7)
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Question 468536: please solve this equation 10x^-2/3 -3x^-1/3 = 1

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Question 468812: i need help simplifing this equation:
-5s^2+11st+9t^2+4(-6s^2+2st+8t^2)
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Question 469802: How do I add or subtract irrational numbers?
e.g
I have been told it is the same as rational numbers but do not understand this
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Question 469802: How do I add or subtract irrational numbers?
e.g
I have been told it is the same as rational numbers but do not understand this
Click here to see answer by kingme18(98)

Question 469943: Find the real number restrictions on x in the expression 5x/((4x^(2))+16)
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Question 471135: which numbers are real numbers
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Question 471691: How do you put this equation in simplest form 4/5 (-15/11)?

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Question 471803: (3/4)(5/7)
-5+3/5
2/3-3/5
(2/5)/5
show that the following are rational numbers
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Question 472031: Solve (w-5)^3 +72=0 for w, where w is a real number
Click here to see answer by jim_thompson5910(35256)

Question 472036: 49*-21
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Question 472203: Use the given zero to find the remaining zeros of the function.
; zero: 3i
A. -2, -3i, 4 - i, 4 + i
B. 2, -3i, -4 - i, -4 + i
C. -2, -3i, -4 - i, -4 + i
D. 2, -3i, 4 - i, 4 + i

Click here to see answer by richard1234(7193)

Question 474642: How do I simplify this �√-1 ?
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Question 475075: method is elimination solve: 3x + 5y = 10
2x + 5y = -5
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Question 475240: What is the mathematical property that describes the following:
-0.8 + 0.5 is the unique real number -0.3?

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Question 475301: find three rational between -0.2 and -0.22
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Question 475301: find three rational between -0.2 and -0.22
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Question 475759: May some one please help with this problem....12-(-3+4)-[4+(-2)]+2
Click here to see answer by Gogonati(855)

Question 475761: may some on please help me with this problem....-6+[(-4+17)-(-3-3)]
Click here to see answer by rfer(16322)

Question 475761: may some on please help me with this problem....-6+[(-4+17)-(-3-3)]
Click here to see answer by MathLover1(20849)

Question 475764: May some one please help me with this problem....The sum of one half and the reciprocal of two-thirds?
Click here to see answer by solver91311(24713)

Question 475763: may some one please helpe with this problem....The sum of eight snd the quotient of ten and five?

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Question 476667: solve |m|= 4 over the set of real numbers
Click here to see answer by stanbon(75887)

Question 476717: Is the number 2.03003000300003... where the pattern of adding another 0 before the next 3 continues forever rational or irrational? I recognize there is a pattern so my feeling is that it is rational. However if it is rational I should be able to turn it into a fraction with an integer as numerator and a nonzero integer in the denominator. Am I right and is the process of converting difficult?
Click here to see answer by stanbon(75887)

Question 476775: What is an example of a real number that is an irrational real number between 4 and 5.
Click here to see answer by Alan3354(69443)

Question 476775: What is an example of a real number that is an irrational real number between 4 and 5.
Click here to see answer by richard1234(7193)

Question 476057: Is 5 a rational,integer,whole number,natural number or irrational,same for -1 1/3,sqrt (7),0,and -3
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Question 476896: classify as rational, irrational, or complex..

3
Click here to see answer by MathLover1(20849)

Question 476896: classify as rational, irrational, or complex..

3
Click here to see answer by richard1234(7193)

Question 476894: How do i classify this as rational, irrational, or complex,and can it be simplified, if so how?

27i
Click here to see answer by richard1234(7193)

Question 476893: Classify as rational, irrational, or complex. Simplify before you classify if you can.
1984.09275
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Question 476888: Classify as rational, irrational, or complex. Simplify before you classify if you can.
0i +12
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Question 477132: how can i multiply 30%(-0.8)
Click here to see answer by stanbon(75887)

Question 477611: oh... hello there, would you mind helping me with this problem i have :
-18 + (-12)
Click here to see answer by Alan3354(69443)

Question 477784: the sum that gives a negative integer
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Question 477785: sum that gives a negative integer
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Question 478351: how do you put 4 -(15) in simplest form?
- -
5 11
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Question 478990: Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need to show the work on both problems thank you.

Perform the indicated operations
1010 two � 101 two
A25 sixteen � 4 sixteen

Click here to see answer by Alan3354(69443)

Question 479448: All natural numbers are in the set of irrational numbers true or false

Click here to see answer by solver91311(24713)

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, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590