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

Tutors Answer Your Questions about real-numbers (FREE)

Question 891870: write each repeating decimal as a fraction in simplest form:
1. 0.5 repeating
2. 0.4 repeating
3. 0.13 repeating
4. 0.21 repeating
Click here to see answer by Alan3354(69443)

Question 891872: estimate each square root to nearest whole number:
1. square root of 31
2. square root of 24
3. square root of 112
4. square root of 152
Click here to see answer by jim_thompson5910(35256)

Question 891873: simplify each square root:
1. square root of -25
2. square root of 1.44
3. square root of + or -16/49
4. square root of 361
5. square root of 49
6. square root of + or -0.64
7. square root of -6.25
8. square root of 169/196
9. square root of 25/324
Click here to see answer by JulietG(1812)

Question 892211: √51, -55, and -2/15. I need to know which classification of numbvers each are in. Please help!☺
Click here to see answer by KMST(5328)

Question 892982: How would I solve, step by step, the problem "5th root 64x^12y^20"?*

*I have no idea how to write the 5th root on this so I wrote it out to specify.
Click here to see answer by MathTherapy(10549)

Question 892987: How would I solve for "x" in the problem "x^(3/2)=125"?
I know the first step would be to convert to sqrt(x^3)=125 but from there I am not certain what I should do next?
Click here to see answer by Alan3354(69443)

Question 892986: How would I solve for "x" in the problem "x^3=-27"?
Click here to see answer by stanbon(75887)

Question 893020: 5(14-2)�2
Click here to see answer by Alan3354(69443)

Question 893517: what is the answer of the equation 17.65x2-15.2xy+y2;3.83xy-8.17y2-13.2x2;4+1.5x2-3.75xy+7.2y2?
x2= represent x squared
y2= represent y squared
thank you.
Click here to see answer by richwmiller(17219)

Question 893719: How many rational numbers are there between -10 and +10?
Click here to see answer by richwmiller(17219)

Question 893729: Explain why 8/4 is a natural number, but 7/4 is not.
Click here to see answer by lwsshak3(11628)

Question 893726: Explain the difference between plotting the numbers 4 and -4 on the real number line.
Click here to see answer by josgarithmetic(39613)

Question 894048: Which property is illustrated by the following statement
3x(-5) = (-5)3x
Click here to see answer by josgarithmetic(39613)

Question 894047: What is the sum
7/3 + (-3/8)
Click here to see answer by Fombitz(32388)

Question 894226: how to sense rational numbers?does it sense?
Click here to see answer by Edwin McCravy(20054)

Question 894298: how to sense irrational numbers?i could not sense it.
Click here to see answer by josgarithmetic(39613)

Question 894286: name the property illustrated by each equation what is a propety ilustration
Click here to see answer by Fombitz(32388)

Question 894772: The sum of three consecutive integers is -138.
Click here to see answer by Alan3354(69443)

Question 894904: The number x92070 has factors x,2,6,150,208 and 500. What is the least integer greater than x92070 that also has the same factors given that 'x' is odd
Click here to see answer by richwmiller(17219)

Question 895048: Are positive irrational numbers closed under addition and multiplication?
Click here to see answer by reviewermath(1029)

Question 895055: List the set of all natural numbers?
Click here to see answer by Edwin McCravy(20054)

Question 895161: Simplify the power of i.
1/i^-22
Click here to see answer by Fombitz(32388)

Question 895158: Determine what signs on values of x and y would make the statement true. Assume that x and y are not 0.
x/y > 0
A) x and y must be negative.
B) x and y must be positive.
C) x and y have different signs.
D) x and y have the same sign.
Click here to see answer by Fombitz(32388)

Question 894997: name the subset(s) of the real numbers to which each number belongs. 13
Click here to see answer by Fombitz(32388)

Question 895280: What is 0.2 in the form of a/b using integers to show that it is a rational number?
Click here to see answer by reviewermath(1029)

Question 895262: what is the real number between this pair:
2.16 and 11/5

Click here to see answer by richard1234(7193)

Question 895314: Is -5/12 a real number, rational, irrational, integer, whole or a natural number?
Click here to see answer by stanbon(75887)

Question 895364: What are four natural numbers? What are three integers that aren't whole numbers? What is an irrational number written as a radical? What is an irrational number written as a decimal? What are five rational numbers that are not integers? What are three pairs of numbers with the same absolute value?
Click here to see answer by richwmiller(17219)

Question 895888: Can You Name The Sets Of Numbers To Which Each Real Number Belongs To?
8/3
Click here to see answer by Fombitz(32388)

Question 896034: What property is used in this problem? (-8+8)+15=0+15
Click here to see answer by jim_thompson5910(35256)

Question 896309: This recipe makes three dozen cookies. You want to make enough cookies so that 360 people each get two cookies. How will you scale up the recipe? How much of each ingredient will you need?

Click here to see answer by josmiceli(19441)

Question 896799: compute value of discriminant and give the number of real solutions of this quadratic equation.
2x^2-2x+1=0

Click here to see answer by richwmiller(17219)

Question 896882: If you take the square root of every whole number from 1-100 how many would be whole numbers?how many would be irrational numbers?
Click here to see answer by Alan3354(69443)

Question 896882: If you take the square root of every whole number from 1-100 how many would be whole numbers?how many would be irrational numbers?
Click here to see answer by JulietG(1812)

Question 896901: Are there two integers with a product of negative 16 and a sum of negative 4?
Click here to see answer by richwmiller(17219)

Question 897291: What kind of real number is -12 and how is it classified?
I've tried answering it, but I don't understand the definitions for real numbers and I'm really confused on how to answer this.
Click here to see answer by jim_thompson5910(35256)

Question 897261: 1/5-1/2+1/3
Click here to see answer by Fombitz(32388)

Question 897927: Evaluate the expression for x=5 and y=5
3x-2y

Click here to see answer by jim_thompson5910(35256)

Question 897955: what is the square root of 31?

Click here to see answer by Alan3354(69443)

Question 897957: what is the square root of 112?
Click here to see answer by jim_thompson5910(35256)

Question 897779: find the value of 6x^3 + x^2 - 7x + 2014 if 2x^2 + x =2
Click here to see answer by Edwin McCravy(20054)

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