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

Tutors Answer Your Questions about real-numbers (FREE)

Question 551051: The driving distance between Pensacola and Key West is 792 miles. Bus A leaves Pensacola at 6:00 a.m. traveling at an average 42 miles per hour. Bus B leaves Key West at 7:00 a.m. traveling at an average speed of 33 miles per hour. At what distance, in miles, from Key West will the two buses meet?
This question has me confused so please help me with this.
Click here to see answer by oberobic(2304)

Question 551421: Is -12 a real, rational or irrational number?
Click here to see answer by KMST(5328)

Question 551595: 1/2 + (2/3 divided by 3/4) - (4/5 times 5/6) = 13/18
I can't get how to work this problem out to get this answer!!!
Click here to see answer by Alan3354(69443)

Question 552009: what type of number is closed under subtraction?
prime numbers

Click here to see answer by solver91311(24713)

Question 552195: Name the set or sets of numbers to which sqrt 48 belongs.
Click here to see answer by jim_thompson5910(35256)

Question 552629: In a sequence, what is the difference in this one? -4.5,-12.5,-62.5
Click here to see answer by AnlytcPhil(1806)

Question 552880: Is -3/1 Rational, if so is it a natural number,intenger, or a whole number?
Or is it irrational?
Click here to see answer by jim_thompson5910(35256)

Question 553144: Find the distance between each pair of points,Round to the nearest tenth,if necessary. V(-3,-4),W(-1,-2)
Thank you
Click here to see answer by jim_thompson5910(35256)

Question 553174: Find the distance between ;
J(-9,5) and K(-4,-2)

Click here to see answer by stanbon(75887)

Question 553688: Solve giving real and complex numbers:
x^3 - 3x^2 + x - 3 = 0
Click here to see answer by KMST(5328)

Question 553665: How do you distibute 2-(x-7)?
Click here to see answer by 10301650(32)

Question 554294: How long will my shadow be if im 4 feet 7 inches. For four hours- nine, ten,twelve, and eleven in the morning
Click here to see answer by Alan3354(69443)

Question 554569: What is the difference between rational, irrational, etc.?
Click here to see answer by kkasko(46)

Question 554696: Is -0.002 irrational and a integer?
Click here to see answer by jim_thompson5910(35256)

Question 555928: Is it possible for a negative number to be greater than a positive number?explain
Click here to see answer by solver91311(24713)

Question 556204: How do I change 33 1/3% to a fraction?
Click here to see answer by Alan3354(69443)

Question 556353: What is 5/9? Real number, Irrational number.
Click here to see answer by jim_thompson5910(35256)

Question 556970: hello, i am new to this online help. I really do not know where consecutive numbers/integers lie in algebra. i do not know how to work a problem for consecutive numbers. the algebra question i am trying to learn how to solve is this:
the product of two consecutive odd numbers is 399. what are these numbers?
Click here to see answer by Alan3354(69443)

Question 558223: How many ways can you get 675 using 123489? Example: 281+394=675
Click here to see answer by richard1234(7193)

Question 559938: -10 + 15 I need help learning how to do this!

Click here to see answer by fcabanski(1391)

Question 559938: -10 + 15 I need help learning how to do this!

Click here to see answer by bluemockingjay7(41)

Question 560033: Solve: 10m − 3 + m < 30
Click here to see answer by Maths68(1474)

Question 563024: 1. What is the difference between natural numbers and rational numbers?
2. What is the difference between rational numbers and real numbers?
3. What is the difference between whole numbers and integers?
4. Why is there a rule that says x^0=1?
5. Why is there a rule that says 5/0 = undefined?
Click here to see answer by richard1234(7193)

Question 563621: an avestment is losing value at a rate of 8% per year and now has a value of $8200. find the investment in 5 years
Click here to see answer by stanbon(75887)

Question 563701: I am working with subtraction of real numbers. I can not seem to grasp this. All my work on my own has been wrong and I do not understand how to do these.
Click here to see answer by richard1234(7193)

Question 565132: what rational number is between 7/10 and 4/5?
Click here to see answer by nyc_function(2741)

Question 566660: Solve the following system of equations by any method you wish.
3x - 5 = y
2y = 6x - 9

Click here to see answer by mananth(16946)

Question 566671: I need to divide and express the result in standard form:
5+2i/2-5i I know the answer is i just not sure how to get there.
Click here to see answer by mananth(16946)

Question 569377: Please help solve:
There exists x in Q, such that you have 3x^2-27=0. Q= rational numbers
Click here to see answer by IWork4Dessert(60)

Question 571023: what is value of infinite.
Click here to see answer by nyc_function(2741)

Question 571462: simplify the rational expression
-x^2+10x-21/-3x^2+23x-14

Click here to see answer by reviewermath(1029)

Question 572229: What is the definition of allr real numbers? I'm still not understanding it.
Click here to see answer by richard1234(7193)

Question 572970: Which property of real numbers is illustrated by the following statement?
4x + 2x = (4 + 2)x

Click here to see answer by richard1234(7193)

Question 574307: if 4/7 equals to 704 then what does 7/7 equal to
Click here to see answer by josmiceli(19441)

Question 575206: I am working on solution sets, and the following problem has me really confused, can you please break down step by step how to solve, I am not good with fractions.
Thank you

-7/2x is greater than or equal to -3/4
Any help is appreciated thank you

Click here to see answer by josmiceli(19441)

Question 575245: Can you show me the answer to this and the steps? [x+2/3x]/[x+2/3x] for x=7
Click here to see answer by chana(69)

Question 576667: is 3.5 any of these?

Real Number
Rational Number
Irrational Number
Integer
Whole Number
Natural Number

Click here to see answer by rfer(16322)

Question 576742: Consider the whole number with one thousand digits that can be formed by writing four digits, 2772, two-hundred fifty times in succession.
Is this number divisible by 9? Why or why not?
Is this number divisible by 11? Why or why not?
Click here to see answer by richard1234(7193)

Question 576746: GCF (a,b)=4 and LCM (a,b)=96
Find all pairs of whole numbers a and b for which both statements are true, and show how to get them.
Click here to see answer by richard1234(7193)

Question 576750: Let n be any positive integer greater than 1. Consider the fraction 2n/n-1.
Consider these two statements:
The fraction is in lowest terms
The fraction is not in lowest terms
Which is correct? Justify the answer.
Click here to see answer by richard1234(7193)

Question 579367: is -16 a real number?
Click here to see answer by dfrazzetto(283)

Question 582020: 19-(2x+3)=2(x+3)+x
Click here to see answer by jim_thompson5910(35256)

Question 582275: AMY CAN CLEAN THE ELEPHANT ENCLOSURE IN 4 HOURS, BUT IT TAKE JOEL 6 HOURS. HOW LONG WOULD IT TAKE THEM WORKING TOGETHER.....PLEASE HELP
Click here to see answer by nerdybill(7384)

Question 582272: A CERTAIN NUMBER IS ADDED TO THE NUMERATOR AND SUBTRACTED FROM THE DENOMINATOR OF 5/8. THE NEW FRACTION EQUALS THE RECIPROCAL OF 5/8.FIND THE NUMBER......PLEASE HELP
Click here to see answer by mananth(16946)

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