# 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 646762: HI TUTORS! I have two questions that constitute one problem in my math book: 9. How is the additive inverse property related to the additive identity property? the multiplicative inverse property to the multiplicative identity property? What is the answer to these questions in one problem? Click here to see answer by solver91311(16872)

 Question 647178: What is the set of numbers for the square root of 10.24? Click here to see answer by stanbon(57282)

 Question 647281: Mary is creating party favors with pencils and stickers. She has 20 pencils and 36 stickers, and wants each party favor to include the same combination of pencils and stickers, with none leftover. What is the greatest number of party favors she could create? algebra real numbers Click here to see answer by Edwin McCravy(8893)

 Question 649441: can 8 square root of 56 over 2 be simplified? Click here to see answer by ewatrrr(10682)

 Question 649697: a 6 digit number with 5 in the ten-thousands place and 2 in the thousands place Click here to see answer by sheldonbbtrocks(53)

 Question 649957: what sets of number does -7.34 belong to? Click here to see answer by jim_thompson5910(28536)

 Question 650208: If a number is even, then the number is an integer. Is it false or true? Click here to see answer by solver91311(16872)

 Question 650706: A=2(pi)(a)^2 solve for a. Sorry I didn't know what column to put this under. I keep getting square root of A/2(pi)=a?? Click here to see answer by MathTherapy(1422)

 Question 650721: If f(x) is a polynomial function of degree greater than 2, and f(x) has only one zero, then can you say whether the zero is real or complex? Please explain, I'm confused. Thanks. Click here to see answer by Theo(3458)

 Question 653299: to which subset of the real numbers does -18 not belong? Click here to see answer by Shana-D77(122)
 Question 653299: to which subset of the real numbers does -18 not belong? Click here to see answer by stanbon(57282)

 Question 654171: Name the subset of the real numbers to which each number belongs 2/3 Click here to see answer by Edwin McCravy(8893)

 Question 654546: which sum is the lowest? (-12)+(-12)= (-13)+(-30)= (-25)+(-42)= (-68)+(-50)= Click here to see answer by solver91311(16872)

 Question 655031: Suppose that y is directly proportional to x and that y = -64 when x = 7 Complete parts (a) and (b): (a) Find the constant of proportionality k (b) Use y=kx to find y when x=6 Thank you Click here to see answer by stanbon(57282)

 Question 656313: After three plays in which a football team lost 7 yds. gained 3 yds, and lost 1 yd, respectively, the ball was placed on the team's own 30 yd line. Where was the ball before the three plays? Click here to see answer by checkley79(3050)

 Question 658208: x^3-x^2-7x+15 please state the total number of zeroes for the function both real and imaginary. using the rational root theorem. Click here to see answer by jim_thompson5910(28536)

 Question 658601: In Exercises 103–112, let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following. A ∩ B Click here to see answer by kevwill(135)

 Question 655806: Please can someone help me why I'm very confused with what my math teacher taught and i have latest tomorrow. I am not allowed to email him for any questions during the weekend and I was afraid to ask him because he was very angry in class. He told us that NATURAL NUMBERS SET is ONLY from 1-9 because numbers like 10 &20 have a zero so they are whole numbers. Is this true? Click here to see answer by kevwill(135)

 Question 659366: what is a rational number between -36^2 and 36^2 Click here to see answer by Alan3354(30993)

 Question 660537: Determine whether the following statement is sometimes, always, or never true for positive integers a and b by using the properties of square roots. Click here to see answer by math-vortex(472)

 Question 660711: I hoping I can get some help on this....find any real numbers for which the rational expression is undefined.....I would love to see how this is done thank you Click here to see answer by math-vortex(472)
 Question 660711: I hoping I can get some help on this....find any real numbers for which the rational expression is undefined.....I would love to see how this is done thank you Click here to see answer by MathLover1(6625)

 Question 661804: write 2+sqrt 2/sqrt 2 in the form of a+b sqrt 2 Click here to see answer by solver91311(16872)