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

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Tutors Answer Your Questions about real-numbers (FREE)


Question 11976: Can an integer have a fraction or decimal in it???
Click here to see answer by longjonsilver(2297) About Me 

Question 11974: I have a test tomorrow and i don't know the difference between rational and irrational numbers. Will you give me a detailed explanation on irrational numbers and rational numbers and give me some examples of each???
Thanks!!!

Click here to see answer by longjonsilver(2297) About Me 

Question 12088: My task at hand is to simplify this problem. i thought i did it correct, however when i checked the answer in the back of the book it was wrong. now i can not figure out the correct procedure. I think i am getting confused on order of operation
<:( [a sad me with a dunce cap, ha ha]
(12a-3b+5c)-5(-5a+4b-6c)
thankfully yours Blanca
PS ooops that equals sign was an addition ~ sorry

Click here to see answer by bonster(299) About Me 

Question 12085: My task at hand is to simplify this problem. i thought i did it correct, however when i checked the answer in the back of the book it was wrong. now i can not figure out the correct procedure. I think i am getting confused on order of operation
<:( [a sad me with a dunce cap, ha ha]
(12a-3b+5c)-5(-5a+4b-6c)
thankfully yours Blanca

Click here to see answer by bonster(299) About Me 

Question 12228: I don't get what real numbers, integers, etc. are. How can you turn fractions into numbers?

Click here to see answer by longjonsilver(2297) About Me 

Question 12257: -24 -(-34)

Click here to see answer by bonster(299) About Me 

Question 12377: I am having a problem figuring how to get the least common denominator and solving, it looked so simple, but when i check for the corret answer, i dont unerstand how it was reached 5/8+(-17/12)














Click here to see answer by bonster(299) About Me 
Question 12377: I am having a problem figuring how to get the least common denominator and solving, it looked so simple, but when i check for the corret answer, i dont unerstand how it was reached 5/8+(-17/12)














Click here to see answer by staband715(1) About Me 

Question 12958: if x=5 what is 2x+5/x
Click here to see answer by askmemath(368) About Me 

Question 13260: Simplify -5+9+5-9=
Click here to see answer by rahman(247) About Me 

Question 13233: How many integers between 10 and 100 have exactly one digit equal to 3?
Click here to see answer by smik(40) About Me 
Question 13233: How many integers between 10 and 100 have exactly one digit equal to 3?
Click here to see answer by rapaljer(3610) About Me 

Question 13731: 7(2-m)=3m
Click here to see answer by tjnw79(57) About Me 

Question 13658: Please help me find the sum:-11+(-7)

Click here to see answer by elizabeth2005(20) About Me 

Question 9699: what are the objects in a set called?
Click here to see answer by khwang(438) About Me 

Question 13913: Not quite sure where to post this question, but I'd appreciate some help! "In what number system would you first find the negative square root of the fraction 3/4? Explain your answer." Can anyone hlep me with this? THANK YOU.
Click here to see answer by longjonsilver(2297) About Me 

Question 14008: OK here's the question: Two dice are rolled, and their difference is recorded. Find the probability of rolling a difference of less than 2.
I'm so confused! I understand that I need to find the difference and I understand how to do the problem but I keep getting the wrong answer! Help! Thanks!

Click here to see answer by Earlsdon(4898) About Me 

Question 14899: 2b=80-8b

Click here to see answer by rahman(247) About Me 

Question 14960: 13x +7(-3x-1) = -63
Click here to see answer by rahman(247) About Me 

Question 14959: 15-(5m-4) = 34
Click here to see answer by rahman(247) About Me 

Question 14958: 7-3(8t-10) = 85
Click here to see answer by Alwayscheerful(414) About Me 

Question 15071: Eight less than three quarters of a number is 91
Click here to see answer by bam878s(76) About Me 
Question 15071: Eight less than three quarters of a number is 91
Click here to see answer by Zerena(1) About Me 

Question 15116: 4(-3x-5))-(10+4x) Simplify? Can someone help me with this?

Click here to see answer by jb007mi6(53) About Me 

Question 15273: how many integers between 10 and 100 have exactly one digit equal to 3
Click here to see answer by rapaljer(3610) About Me 

Question 15389: Let f: R to R be a function. Show that if f is continuous on
[0,infinitive) and uniformly continuous on [a,infinitive) for some
positive real number a, then f is uniformly continuous on [0,infinitive)
(f is uniformly continuous on [0,b] for any b>a).
Thankyou.

Click here to see answer by khwang(438) About Me 

Question 16400: Find three consecutive odd intergers whose sum is 105.
Click here to see answer by elima(1433) About Me 

Question 16513: I need help, wen u multiply integers and letters...i really dont no wat to do pleez help....for example....(-4)(15p)= wat would that equal and y?
Click here to see answer by elima(1433) About Me 

Question 16530: How do you write a repeating decimal as a fraction?

Click here to see answer by elima(1433) About Me 

Question 17074: Whats 3 times 5 divided by three
Click here to see answer by tjnw79(57) About Me 

Question 17271: Please help me solve the problem 3-(-1). Please respond as soon as possible. Thank you.
Sophia W.

Click here to see answer by plourde216(7) About Me 
Question 17271: Please help me solve the problem 3-(-1). Please respond as soon as possible. Thank you.
Sophia W.

Click here to see answer by ivy12003(22) About Me 

Question 17645: it's really about fctors but I can't find it so my question is how to solve this problem: 7*13+8*13+5*13 can you please solve it or instructions thanks
Click here to see answer by lanntann(3) About Me 
Question 17645: it's really about fctors but I can't find it so my question is how to solve this problem: 7*13+8*13+5*13 can you please solve it or instructions thanks
Click here to see answer by rapaljer(3610) About Me 

Question 17762:
Click here to see answer by ivy12003(22) About Me 

Question 14328: Please help with the equation I am suppose to Divide Rational Numbers
(((1.8/(-3)=)))

Click here to see answer by ivy12003(22) About Me 

Question 18393: What is the quotient of -63/21\5?
Click here to see answer by MelanieBCC(40) About Me 

Question 18543: `'The lighting crew needed to place the lights along the front of stage, which was 16 feet wide. The lights were 1 7/9 feet wide. How many lights were used?''
Click here to see answer by Alwayscheerful(414) About Me 

Question 18600: I Am studying for the College Plaement test And I can't figure out this problem.
-2/3(2/3 - 1/2(3/4-1/2))
Please show me how to do this.

Click here to see answer by Earlsdon(4898) About Me 

Question 18481: It's been a while since I've done algebra and I'm trying to help a co-worker's daughter pass a SOL test. The question is "What is the inverse of adding -5.2 to a number?" I think the inverse means the opposite, but am not sure. On reciprical numbers such as 5/6, you flop the numbers around, right?
Thank you-Kathleen

Click here to see answer by piglet162431(90) About Me 

Question 18983: please help! :
3x - 2 divided by y
x= - 2 y= 8

Click here to see answer by Alwayscheerful(414) About Me 

Question 19101: Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. What are the integers? I need help on everything in this questing I need to know how to do it and show my work! Please help
Click here to see answer by wuwei96815(245) About Me 
Question 19101: Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. What are the integers? I need help on everything in this questing I need to know how to do it and show my work! Please help
Click here to see answer by glabow(165) About Me 

Question 18980: please help! :
3x - 2 divided by y
x= - 2 y= 8

Click here to see answer by xcentaur(357) About Me 

Question 19705: Olivias mother is sending candy to school for olivias classmates. She sends three pieces of candy for each student in the class, and puts in 5 pieces in case the teacher wants some. if olivias mother sends 68 peices of candy altogehther how many students are in olivias class?
Click here to see answer by Paul(988) About Me 

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