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

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 Algebra: Real numbers, Irrational numbers, etc Solvers Lessons Answers archive Quiz In Depth

 Question 497443: PLEASE HELP WITH THIS WORD PROBLEM...ERIN AND SUSAN BOTH TOOK THEIR DOGS FOR A WALK. TOGETHER THEY WALKED 15 MILES. IF ERIN WALKED 3 MILES LESS THAN SUSAN,HOW FAR DID SUSAN WALK HER DOG? Click here to see answer by lwsshak3(6518)

 Question 497707: can you name the subsets of the real numbers to which each number belongs? 3/4 -8 45,368 -2/3 Click here to see answer by solver91311(16897)

 Question 498641: Show that the number is rational by writing it as a quotient of two integers... -9/14 Click here to see answer by Alan3354(30993)
 Question 498641: Show that the number is rational by writing it as a quotient of two integers... -9/14 Click here to see answer by richard1234(5390)

 Question 498490: Hi. what is the two things that i should know most inportantly in irrationl and rational? are there any methods i can remeber to help me? Click here to see answer by richard1234(5390)

 Question 499293: Give a counter example to disprove the statement that every counting number is greater than or equal to the sum of the proper factors. Click here to see answer by chessace(471)

 Question 499473: What are the differences of Real numbers, irrationals, rationals,integers,whole numbers and natural numbers? Click here to see answer by MRperkins(300)

 Question 499715: what is the sum of the first 100 real numbers Click here to see answer by richard1234(5390)

 Question 500565: my homework says: in each of the following (a)translate as an expression and (b) translate as an equation or inequality. use x to represent the #. (a) 12 more than a number (b)12 is more than a number what is the difference? idk what to do!!!!!:( Click here to see answer by chessace(471)

 Question 500607: find the remaining zeros of f. Degree 6; zeros: -7, 5, 7 - 5i, -5 + i Click here to see answer by Alan3354(30993)

 Question 500614: determine between which two cosecutivewhole numbers the square root of each number belongs: Click here to see answer by solver91311(16897)

 Question 500777: simplify 25 times 74 times 2 times 2 Click here to see answer by oberobic(2304)

 Question 501039: Dear teacher, I would like to first thank you for answering my question though you don't know me, so thanks anyway!!!! My question is, is there any way for us students to remember the difference between rational and irrational numbers? Please remember that we would like it to be easy to remember and not complicated. Thank you teacher again!!!! Click here to see answer by emargo19(101)
 Question 501039: Dear teacher, I would like to first thank you for answering my question though you don't know me, so thanks anyway!!!! My question is, is there any way for us students to remember the difference between rational and irrational numbers? Please remember that we would like it to be easy to remember and not complicated. Thank you teacher again!!!! Click here to see answer by Theo(3464)

 Question 501142: PLEASE HELP....MELANIE EARNED \$450 IN JANUARY, \$320 IN FEBRUARY, AND \$665 IN MARCH AS A TUTOR. HOW MUCH MUST SHE EARN IN APRIL IN ORDER TO AVERAGE AT LEAST \$500 PER MONTH FOR THE 4 MONTHS FROM JANUARY THROUGH APRIL? Click here to see answer by josmiceli(9697)

 Question 501279: When a number is decreased by 13 and the result is -2 what is n Click here to see answer by swincher4391(726)

 Question 501300: what is the solution to 4{[8(x-3)+9] - [4(3x - 2) + 6] } I allready have the problem done but I want to be sure about it and my result are (32X-52) THANK YOU VERY MUCH Click here to see answer by rfer(12666)

 Question 502141: R= Real number, I=integers, Q= Rationals, W=whole numbers and Z=irrationals. True or False R U Q=Q Q (intersection upside down U)W=W Q (subset sideways U)R I (subset sideways U)Q I (subset sideways U)(Q intersection R) I don't know how to do these. Thank you Click here to see answer by xdragonfight(116)

 Question 502617: having problem with math question 3 examples of a rational real number between 4 and 5 Click here to see answer by Alan3354(30993)

 Question 502963: determine whether each set of numbers is closed under the indicated operation. 1) irrational, addition Click here to see answer by richard1234(5390)

 Question 502970: i am having issues figuring out what irrational numbers are. I have a list of numbers and i need to figure out which ones are irrational, 0. 0.4, -square root of 3, square root of 16, and -2 2/3, -pie, 6.9. i just want to know how to solve it. i looked it up but i dont understand it. thanks Click here to see answer by jrb1965(16)

 Question 503395: hello,I need help in kinds of numbers,converting ratio to a decimal,and converting each number to a fraction in lowest terms. Hope you can help me:) Click here to see answer by josmiceli(9697)

 Question 504204: What is the square root of 49? Like is it irrational or rational? Terminating or repeating decimals? Non-integers or integers? Negative integers or who numbers? Zero or natural numbers? Click here to see answer by Alan3354(30993)

 Question 504596: Find a degree 3 polynomial with coefficient of x^3 equal to 1 and zeros -3, −4i, and 4i. Simplify your answer so that it has only real numbers as coefficients. Click here to see answer by stanbon(57377)

 Question 504598: Two irrational numbers, the product of which is rational number Click here to see answer by Theo(3464)
 Question 504598: Two irrational numbers, the product of which is rational number Click here to see answer by stanbon(57377)

 Question 504601: Give example of the following : 1) Two irrational numbers, the product of which is a rational number 2) One rational number lying between 0 and -1 3) A decimal number lying between 0.003 and 0.004. Click here to see answer by stanbon(57377)

 Question 504723: Five more than one third of a number is -2. find the number Click here to see answer by stanbon(57377)

 Question 504783: what is 2.9 asa quotient of 2 integers. Click here to see answer by stanbon(57377)

 Question 505132: What are the classifications for the number -12? Click here to see answer by linjackie99@yahoo.com(7)

 Question 506087: Helping my daughter with homework and needing help X-(-9\14)=5\7 Click here to see answer by solver91311(16897)

 Question 507025: If the fraction 22/7 is the same as pi, how can pi be irrational and 22/7 be Rational? (I got this wrong on a test) Click here to see answer by xdragonfight(116)

 Question 507133: The LCM of numbers 15,70,105 is:can you give this anwer? Click here to see answer by Edwin McCravy(8909)

 Question 507247: Which of the following polynomials is prime over the set of rational numbers? a.x^2-13x-36 b.x^2-5x-36 c.x^2+15x+36 d.x^2+20x+36 Click here to see answer by stanbon(57377)

 Question 507533: Can you please help me solve here's what I did: 8w-8-6w=4w-7 8w-6w=2w 2w-8=4w-7 -4w -4w -2w-8=-7 +8 +8 -2w=1 -2w/-2 1/-2 and I got -.5. But when I plugged it in I got -9 not -7. Click here to see answer by Earlsdon(6287)

 Question 507569: Can you help answering this problems?? I'll appreciate it How can I find the multiplicative inverse of this numsbers?? 1.-18 2.-9 3.-1 4.-1/2 4.-3/4 5.-5/9 6.-4(1/3) 7.-2(2/5) Thank you!! Click here to see answer by jim_thompson5910(28595)

 Question 507669: what real number family would the square root of 9 be? Click here to see answer by jim_thompson5910(28595)

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