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

Tutors Answer Your Questions about real-numbers (FREE)

Question 439293: What is the slope of 2x+3?
Click here to see answer by Alan3354(69443)

Question 426203: If the odds of winning a raffle are 17:214, what is the probability of winning?

a. 17/214
b. 17/231
c. 17/197
d. 214/231

Click here to see answer by carolsky(1)

Question 440500: round 3.671 to the nearest tenth
Click here to see answer by Alan3354(69443)

Question 440478: A rectangle with an area pf 80cm^2 has a width that is three more than one half its length. What is the width of the rectangle?
I know that W=L1/2+3 and then I just got lost not having either the width or length.
Thank you for your help!
Click here to see answer by ankor@dixie-net.com(22740)

Question 441397: Can you please show me the steps to convert 12.555.. to the fraction 113/9?
Thank you so much for your help.
Click here to see answer by stanbon(75887)

Question 441878: {6, 7, 18, 24, 31, 40, 50}
The numbers shown above belong to which of the following subsets of the real numbers?

Click here to see answer by Edwin McCravy(20054)

Question 441994: Is the number 7 a discriminant of a quadratic equation whose roots are real, unequal, and irrational?
Click here to see answer by stanbon(75887)

Question 442138:
Click here to see answer by rwm(914)

Question 442139: simplify

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Question 442136:
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Question 441567: Is -144 over 4 a natural number, whole number, rational, irrational, Integer, or Real number?
Click here to see answer by richard1234(7193)

Question 442256: If x < y, then x<(x+y)/2 < y. Use this fact to give a convincing argument for the following: Between any two rational numbers there are infinitely many rational numbers.
Click here to see answer by richard1234(7193)

Question 442403: When does a munber become irrational?

Click here to see answer by rwm(914)

Question 442483: a positive when divided gives remainder 8.what will be the remainder when it is divided by 11?
Click here to see answer by rwm(914)

Question 442450: Please resend reply. Wrong email address was entered.
Q: Can a rational number become irrational? How?
Thanks, Shelby
Click here to see answer by richard1234(7193)

Question 442481: show that a number and it's cube leaves the same remainder when divided by 6

Click here to see answer by richard1234(7193)

Question 442484: a positive number when divided gives remainder 8.what will be the remainder when it is divided by 11?
Click here to see answer by rwm(914)

Question 442155: Simplify
.
I don't know if this is written right. on the problem in front of me the 3 is tiny
Click here to see answer by ankor@dixie-net.com(22740)

Question 442696: a positive number when divided by 88 gives remainder 8. what will be the remainder when it is divided by 11?
Click here to see answer by robertb(5830)

Question 442696: a positive number when divided by 88 gives remainder 8. what will be the remainder when it is divided by 11?
Click here to see answer by swincher4391(1107)

Question 444250: Simplify expression.Give answer in exponential form.
a^1/2(a^3/2-2a^1/2)

Click here to see answer by benni1013(206)

Question 444514: what value makes x^2-9/x^2+7x+10 undefined?
Click here to see answer by chriswen(106)

Question 445066: is 5 radical 7 rational?
Click here to see answer by checkley79(3341)

Question 445603: Which of the following numbers at irrational?
a. 5.25 repeating
b. negative sqrt of 6
c. pi
Click here to see answer by robertb(5830)

Question 445971: What is the rationalizing factor of cube root of 5?
Click here to see answer by rfer(16322)

Question 446879: 280% of what is 24
Click here to see answer by nerdybill(7384)

Question 447435: if the product of root a and root b is irrational prove that thier sum is also irrational
Click here to see answer by Edwin McCravy(20054)

Question 447519: For what value of m is the fraction1/m+4 ?
Click here to see answer by Alan3354(69443)

Question 448095: how do i solve the equation?
2x^2+4x+1=0
Click here to see answer by jim_thompson5910(35256)

Question 448095: how do i solve the equation?
2x^2+4x+1=0
Click here to see answer by Alan3354(69443)

Question 448102: how do i solve the equation?
3|x-4|=10
i no there are two solutions, 2/3 and 22/3, i know how to solve the equation to get 22/3 but i dont know how to get 2/3? How would i do this? Thanks for all your help!
Click here to see answer by jim_thompson5910(35256)

Question 448531: Is the quotient of two irrational numbers always an irrational number?
Why or why not?
Show worked out examples to support your reply.
Click here to see answer by Edwin McCravy(20054)

Question 448533: Is the quotient of two irrational numbers always an irrational number?
Why or why not?
Show worked out examples to support your reply.
Click here to see answer by jim_thompson5910(35256)

Question 449011: 9x+2y=-9,18x-5y=-18
Click here to see answer by MathLover1(20849)

Question 449969: is 1/2 a real number?
Click here to see answer by sudhanshu_kmr(1152)

Question 450485: a cooler at a picnic contains 100 cans of soda covered by ice. There are 30 cans of cola, 40 cans of orange soda, 10 cans of ginger ale, and 20 cans of root beer. The cans are all the same size and shape. If one can is selected at random from the cooler, determine the probability that the soda selected is ginger ale.
Click here to see answer by edjones(8007)

Question 450488: Expected Value If on a $1 bet, Paul Goldstein�s expected value is $0.30, what is Paul�s expected value on a $5 bet?
Click here to see answer by jorel1380(3719)

Question 451601: "Show that the product of three consecutive natural numbers is divisible by 6"
Click here to see answer by richard1234(7193)

Question 453338: True or false: (a+b)+c=a+(b+c)
Click here to see answer by rfer(16322)

Question 453341: Estimate: 700+822
Click here to see answer by rfer(16322)

Question 453389: Express irrational solutions in simplest radical form. 3n^2-75=0
Click here to see answer by pedjajov(51)

Question 455319: on the number line above, what is the distance between point A and B, and what numbers represents the point half the distance between points A and B?
Thank you very much :)
Click here to see answer by rfer(16322)

Question 455320: What is the radius of a circle whose area is 64◘?
Thank you very much :)
Click here to see answer by rfer(16322)

Question 455559: Simplify the rational expression, if possible. State the excluded values
X+3 over x squared - x -12
Click here to see answer by richwmiller(17219)

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