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

Tutors Answer Your Questions about real-numbers (FREE)

Question 302835: is 0.37 an irrational number and how do i tell??
Click here to see answer by Fombitz(32388)

Question 302835: is 0.37 an irrational number and how do i tell??
Click here to see answer by solver91311(24713)

Question 303635: if 2.22222 repeats does that means its rational buts it's a non terminating number so is it irrational

Click here to see answer by Alan3354(69443)

Question 303635: if 2.22222 repeats does that means its rational buts it's a non terminating number so is it irrational

Click here to see answer by stanbon(75887)

Question 304583: x^4-5x^3-6x^2+32x+32, i need the multiplicity as well

Click here to see answer by Fombitz(32388)

Question 305156: What number is 140% of 89?
Click here to see answer by checkley77(12844)

Question 305362: how many different positive three-digit integers can be formed if the three digits 4, 5, and 6 must be used in each of the integers?
Click here to see answer by Edwin McCravy(20054)

Question 305361: how many different positive three-digit integers can be formed if the three digits 4, 5, and 6 must be used in each of the integers?
Click here to see answer by Edwin McCravy(20054)

Question 305715: It take Ryan 8 hours to build a bird house, it takes Anthony 6 hours. How long would it take them both to build the bird house together?
Click here to see answer by solver91311(24713)

Question 306226: umm what is the equivilent to the rational number 6/7?
Click here to see answer by Fombitz(32388)

Question 306540: If three times the smaller of two consecutive integers is added to four times the larger, the result is
95. Find the smaller integer.
Click here to see answer by checkley77(12844)

Question 306987: Explain why x^2 + 5x + 8 is prime (not factorable). How do you know? Give 2 examples of a prime polynomial (they cannot both be binomials). Give 2 examples of polynomials that are NOT prime (they cannot both be binomials), factor them, and explain what you did to factor them.
How would you explain to another student how to decide if any given polynomial is prime or not?
Click here to see answer by richwmiller(17219)

Question 308436: multiply and simplify. assume all variables represent nonnegative real numbers. write in radical notation.
square rootm square root4 m^21
Click here to see answer by rapaljer(4671)

Question 309278: how do you show 1.213 with 13 repeating as a rational number by writing it as a quotient of integers?
Click here to see answer by Fombitz(32388)

Question 309393: Is 13/2 an irrational number??
Click here to see answer by Fombitz(32388)

Question 309488: for what values of x and y is x + 4yi=-5 - 24i
please show me steps
Click here to see answer by jim_thompson5910(35256)

Question 310098: How do you solve this? It is part of my homework and it provides the answer in the book but I cannot figure out how they got it, can someone please show me the steps?
Determine the ones digit when the expression is evaluated.
Problem: 34^202
Answer: 6
Click here to see answer by Alan3354(69443)

Question 310487: please try to help me find the answer to this question which number is rational?
a.pie
b.square root of 10
c. 4.3
d.6.342894
e. none of the above
Click here to see answer by user_dude2008(1862)

Question 311502: X represents a real number. Find any restrictions on X
X+9=6
Click here to see answer by tutorcecilia(2152)

Question 311885: Give the exact and approximate solutions for (x+5)^2=49
Click here to see answer by stanbon(75887)

Question 312106: The product of 2 positive consecutive even integers is 48. What is the smaller number?
Click here to see answer by checkley77(12844)

Question 312365: if complex numbers are used in plane then which numbers are used in space?
Click here to see answer by Fombitz(32388)

Question 312400: how many terms are in the expression 5m^2-mn+4n+7
Click here to see answer by Alan3354(69443)

Question 312265: What is √24 the questions ask to label as a real colex pure imaginary or nonreal complex.. .. help please..
also
√-25
√-36
5+i= ??? help plz
Click here to see answer by JBarnum(2146)

Question 299156: can you please help me answer this question... suppose you are on the roof of a bulding 900ft tall. how far can you see? (calculate to two decimaqql places)

Click here to see answer by JBarnum(2146)

Question 313215: 4x+1>2(x+3)
Click here to see answer by stanbon(75887)

Question 313215: 4x+1>2(x+3)
Click here to see answer by checkley77(12844)

Question 313239: f(x)= -x^2+4x-3
f(-3)
Can you help me with this problem? this is what i've done.
f(-3)= -3^2 + 4x -3
-9+4x-3
-3 -3= -7 + 4x -3. Im stuck can you tell me what i need to do to solve this problem.

Click here to see answer by checkley77(12844)

Question 313233: Describe the nature of the roots of the following quadratic: y=x^2-3x-9
Click here to see answer by solver91311(24713)

Question 314327: y^5-5y^4+4y^3/y^3-6y^2+8y
Click here to see answer by Fombitz(32388)

Question 314827: write -8 as a quotient of integers
Click here to see answer by rapaljer(4671)

Question 314951: Hannah took a trip to visit her cousin. She drove 120 miles to reach her cousin's house and the same distance back home.
It took her 1.2 hours to get halfway to her cousin's house. What was her average speed, in miles per hour, for the first 1.2 hours of the trip?
Thank you for your help!
Click here to see answer by malaydassharma(59)

Question 315011: what number is equivalent to the rational number 8.37
Click here to see answer by Fombitz(32388)

Question 315333: rewrite with the lcd:
x-4/15, x+2/10
Click here to see answer by user_dude2008(1862)

Question 315841: what number is 129 less than twice 78?
a boy's step is 1.6dm long. how many steps will it take him to cover 500m distance?
if 12:7=8:n, what is n
the sum of 2 numbers is 76 while the difference is 8. find the smaller number.
Click here to see answer by rfer(16322)

Question 315895: how can you show that each number is a rational number?

Click here to see answer by stanbon(75887)

Question 316126: 56406 is the product of what two consecutive numbers?
Click here to see answer by mananth(16946)

Question 316834: One angle of a triangle is four times as large as the smallest angle. The third angle is 60 degrees larger than the smallest angle. What is the measure of the angle?
Click here to see answer by Fombitz(32388)

Question 317036: how do you prove that 0.37 is a rational number?

Click here to see answer by JBarnum(2146)

Question 317090: what are the real numbers could they be negatives
Click here to see answer by Fombitz(32388)

Question 317140:
Click here to see answer by CharlesG2(834)

Question 317384: which of the following is a rational number?
a)
b)
c)
d)
Click here to see answer by nyc_function(2741)

Question 317385: which of the following square roots is an irrational number?
I got D
a)
b)
c)
d)
Click here to see answer by solver91311(24713)

Question 317815: what is the line diagram of the real numbers?
Click here to see answer by jim_thompson5910(35256)

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, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590