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

Tutors Answer Your Questions about real-numbers (FREE)

Question 20091: i need help on intregers. i dont know any rules about them or how to use them please help me!!!!
Click here to see answer by prabhjyot(164)

Question 20856: I am lost. The sum of the reciprocals of two consecutive even integers is 5/12. Find the two intergers. I dont know where to start, please help.
Click here to see answer by venugopalramana(3286)

Question 12995: -5 times -2 times -2 squared equals
thanks
Nicholas
Click here to see answer by SuperGirl98734(12)

Question 21064: express .46 as a fraction in slipmplest form
i need help!
Click here to see answer by elima(1433)

Question 21063: How many rational numbers are there between 5 and 14?
Click here to see answer by lola_fish99(13)

Question 21220: EXPRESS 0.01 AS A FRACTION
Click here to see answer by GuessWho(10)

Question 21220: EXPRESS 0.01 AS A FRACTION
Click here to see answer by elima(1433)

Question 21264: i need help on combining like terms. i dont no any thing about them. please help me!!!!
Click here to see answer by elima(1433)

Question 21334: i need help on combing like terms. please help me im desperate!
Click here to see answer by elima(1433)

Question 21008: I need help! We're working with sequencing; I'm supposed to figure out which number comes next. I have no clue:
4, 6, 9, 13.5,?
12, -4, 4/3, -4/9, ?
Click here to see answer by Photonjohn(42)

Question 18205: The speed of a commuter plane is 150 miles per hour slower than that of a passenger jet. The commuter plane travels 450 miles in the same time the jet travels 1150 miles. The speed of the commuter plane is ____ miles per hour and that of the jet is ____ miles per hour.
Click here to see answer by Photonjohn(42)

Question 21450: n+n
Click here to see answer by Alwayscheerful(414)

Question 22414: 3(-K-4)+6=K+7 3*k=3k 3*4=12 3k-12+6=k+7 4k=1
Click here to see answer by ferd(1)

Question 22809: Please help me solve this problem:
Let P(x)=4x^2+2x-7 and R(x)= 2x^2+5x-3
Find
R(x) - P(x)
I really have no clue.
Thanks !
Click here to see answer by queenofit(120)

Question 22808: Factor out the GCF:
15x^2y^3-20xy^2+5xy
I really have no clue and I don't know how to factor out the greatest common factor (I'm assuming thats what it means ?)
Click here to see answer by Earlsdon(6287)

Question 22807: Please help me solve this problem:
Find the GCF:
6x, 12xy, 18y.
Thanks
Click here to see answer by rapaljer(4667)

Question 22810: Please help me solve this problem:
Let P(x)=4x^2+2x-7 and R(x)= 2x^2+5x-3
Find
R(x) - P(x)
I really have no clue.
Thanks !
Click here to see answer by wuwei96815(245)

Question 21611: What is the least possible positive integer value of n such that 18 x n x 34 is an integer?
Click here to see answer by stanbon!(97)

Question 22922: Please help me understand how to solve this problem.
The title is EVALUATE EACH EXPRESSION
-24+47+(-24)
Can you please break it down into steps so that I can understand?
I'm sorry to be e-mailing you this a second time but I made a mistake
in my e-mail address, to many l's in priscilla otherwise the address is
correct thanks again and happy holidays
Click here to see answer by wuwei96815(245)

Question 23089: Can you help me break down the following equation? I have most of it but I am having a problem getting the fractions back into decimals once I have converted and solved the problem.
thank you, Melonie
-3/5[2/3 - 1/2(3/4-1/2)]
Click here to see answer by stanbon!(97)

Question 22455: there is a set of numbers which are:
1,2,3,4,5,6,7,8,9=100
i have to put in operational signs so the statement can become true. please help me if you can.
Click here to see answer by rapaljer(4667)

Question 21718: How do you simplify this problem?
-2a(-3c)+(-6y)(6r)=
Click here to see answer by rapaljer(4667)

Question 21062: How many integers are there between 5 and 14?

Click here to see answer by rapaljer(4667)

Question 21065: express 0.01 as a fraction
Click here to see answer by rapaljer(4667)

Question 21061: what rational number is greater?
5 over 16
or
7 over 18?
show all steps please
thanks soo much!
Click here to see answer by rapaljer(4667)

Question 23367: please help me solve this problem
n(squared)+ n+1 (squared) = 8n+9
Click here to see answer by stanbon(57219)

Question 23365: please help me solve this problem
the area of a rectangle is 22cm2
the width is w
the length is 3w+5
I got as far as:
w(3w+5)=22cm2
can you help me solve this?
Click here to see answer by stanbon(57219)

Question 23369: Please help
I am really stumped with this problem
The sum of two consecutive numbers is equal to nine more than eight times the smaller number
Click here to see answer by stanbon(57219)

Question 23433: Please help me solve this problem
Also how do I check it
Alex bikes to Joes house at 12mph and returns by car at 36mph. If the entire round trip takes a total of 1 hour, how far from Alex does Joe live?
Click here to see answer by stanbon(57219)

Question 23431: Please help me with this problem. Where do I begin
Mary traveled 12mph to Joes house and returned by car at 36mph. How far from Mary does Joe live?
Click here to see answer by rapaljer(4667)

Question 24133: Please help me find the sum or difference of this problem:
{{ -5 7/8 - 2 3/4 }}
Click here to see answer by AnlytcPhil(1276)

Question 24295: what is the probability of drawing a heart from a deck of 52 cards?
Click here to see answer by venugopalramana(3286)

Question 24962: Evaluate 5 with the power of 2
Click here to see answer by pwac(253)

Question 25259: 1/3 times x =75
Click here to see answer by 641387213(2)

Question 25321: Please explain how to solve 8(4-u)+u=8+u.
Click here to see answer by Alwayscheerful(414)

Question 25321: Please explain how to solve 8(4-u)+u=8+u.
Click here to see answer by longjonsilver(2297)

Question 25432: -3(x-5)>21

Click here to see answer by askmemath(368)

Question 25199: How do you change a rational number such as 3.171717171717... to an improper fraction?
Click here to see answer by venugopalramana(3286)

Question 25753: 2x-8=y+6
Click here to see answer by elima(1433)

Question 25945: i've got maths homework from my teacher i want to know:why do you need to have a take away sign in front of the equation whilst subtracting terms e.g -y-4y what does the first take away sign mean?
Click here to see answer by Earlsdon(6287)

Question 25944: i've got maths homework from my teacher i want to know:why do you need to have a take away sign in front of the equation whilst subtracting terms e.g -y-4y what does the first take away sign mean?
Click here to see answer by AnlytcPhil(1276)

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