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

Tutors Answer Your Questions about real-numbers (FREE)

Question 964825: 3.25 as a repeating as a fraction
Click here to see answer by Alan3354(69443)

Question 35471: -37-(-18)+5
Click here to see answer by JimMarshall(82)

Question 966470: I need a tutor for the algebra basics, are there any tutors available to help me with that?

Click here to see answer by MathLover1(20849)

Question 966473: How much smaller is the sum of the first 1000 natural numbers than the sum of the first 1001 natural numbers?
Click here to see answer by Fombitz(32388)

Question 967589: find all real solutions. Do not use a calculator.
x^3+5x^2-14x= 0
Click here to see answer by stanbon(75887)

Question 968770: �1 ≤ n < 4
Click here to see answer by rothauserc(4718)

Question 969273: If 42.8 kg is divided in the ratio 7:2, what is the smaller share?
Click here to see answer by Theo(13342)

Question 969525: find 2 irrational no's between 0.1 and 0.2

Click here to see answer by josgarithmetic(39613)

Question 969525: find 2 irrational no's between 0.1 and 0.2

Click here to see answer by Edwin McCravy(20054)

Question 969976: find the smallest positive integer value of m for which cube root of (180x784xm) is a whole number

Click here to see answer by Fombitz(32388)

Question 970413: product of two successive number is 6162 which is the largest number
Click here to see answer by Alan3354(69443)

Question 970414: 100x(1,1)^x=500 can you please help me to solve for x
Click here to see answer by Alan3354(69443)

Question 970887: x+6 divided by 6x . what's x?
Click here to see answer by Alan3354(69443)

Question 971240: show that for every positive integers n sqrt (n-1)+(n+1) is irrational
Click here to see answer by Edwin McCravy(20054)

Question 972135: What are the solutions to the system?
y=x^2+5x-9
y+2x+1
Click here to see answer by Boreal(15235)

Question 972130: How many real number solutions does the equation have?y=3x^2-5x-5
Click here to see answer by rothauserc(4718)

Question 972133: Since opening night, attendance at Play A has increased steadily, while Play B first rose then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. On what day(s) was the attendance the same at both plays and what was the attendance?
Click here to see answer by ankor@dixie-net.com(22740)

Question 972454: The sum of three numbers is 104
. The second number is 3
times the third. The third number is 9
less than the first. What are the numbers?
Click here to see answer by Fombitz(32388)

Question 972504: How many real number solutions are their in this equation
X^2 + 2x - 6=0
How did you get the answer
Click here to see answer by Alan3354(69443)

Question 972532: What is the positive number whose reciprocal is equal to it's quadruple

Click here to see answer by ankor@dixie-net.com(22740)

Question 973649: The digital sum of an integer is the sum of all its digits. A digit sum sequence is a sequence of numbers that start with any integer and has each number after the first equal to the digital sum of the number before it. e.g. 7598, 29, 11, 2. Any digital sum sequence ends in a single digit number called the final digital sum or FDS.
Find and justify a rule that produces all 3 digit multiples of 7 with an FDS of 7
Find and justify a rule that produces all 3 digit multiples of 8 with an FDS of 8
Click here to see answer by KMST(5328)

Question 974888: there are infinitely many irrational numbers.give reason

Click here to see answer by solver91311(24713)

Question 974933: I fogot whole concept of real no of mie 9 standard ...i m in +2 bt i have a assignment to solve of my sis ...plz help me out.... Is 3√18 a rational or irrational no?

Click here to see answer by farohw(175)

Question 968774: 7x � 9 < 3x + 4
Click here to see answer by farohw(175)

Question 968773: Solve 2x + 3 = x � 4
Click here to see answer by farohw(175)

Question 975012: List all the subsets of the following: A ={1,2,3} , B = {m,a,t,h} and C = {blue, yellow}
Click here to see answer by jim_thompson5910(35256)

Question 975050: If x, y and z are real numbers, show that
√ x -1 y . √ y -1 z . √z -1 x = 1
Click here to see answer by Edwin McCravy(20054)

Question 975056: Insert five irrational numbers between √3 and √7.
Click here to see answer by Alan3354(69443)

Question 975052: Are the square roots of all positive integers irrational? Justify your answer.

Click here to see answer by Alan3354(69443)

Question 975048: Simplify (4√3 � 3 √5) 2

Click here to see answer by Alan3354(69443)

Question 975013: List all the subsets of the following: A = {m,a,t,h} and C= {blue, yellow}

Click here to see answer by farohw(175)

Question 975125: Give an example of two irration number whose sum is rational number

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Question 975125: Give an example of two irration number whose sum is rational number

Click here to see answer by solver91311(24713)

Question 975125: Give an example of two irration number whose sum is rational number

Click here to see answer by Alan3354(69443)

Question 975276: A country�s population doubled in 45 years. What is the exponential growth rate? Round your decimal answer to the nearest hundredth.
(A) 0.02
(B) 0.45
(C) 0.69
(D) 1.54
(E) none of the above

Click here to see answer by farohw(175)

Question 975490: a number set has no supremum or it has a supremum which is infinity . does the two statement same ??? if a set is S={1} what will be it's supremum and infimum also show it's all upper bounds and lower bounds too.
Click here to see answer by solver91311(24713)

Question 975721: Ninety pupils went to an athlete meet. Twenty had milk, 38 had cake, 24 had hamburger, 8 had cake and hamburger, 10 had cake and milk, 5 had hamburger and milk, and 3 had milk. How many pupils had:
A. Cake only?
B. Hamburger and Milk only?
C. Cake and milk only?
D. Hamburger only
E. Milk only
F. Cake and hamburger only?

Click here to see answer by AnlytcPhil(1806)

Question 975801: Name the set(s) of numbers to which each number belongs.
-3.21, square root of 7, -1/2, 18, 35/5

Click here to see answer by solver91311(24713)

Question 975633: Name the sets of number one to which each number belongs
-7.34

Click here to see answer by Fombitz(32388)

Question 976320: Let "a" and "b" be an integer part and an decimal fraction of (square root of 7), respectively. Then the integer part of (a/b) is __________.
Click here to see answer by stanbon(75887)

Question 976319: Let "a" and "b" be an integer part and an decimal fraction of (square root of 7), respectively. Then the integer part of (a/b) is _____________.
Click here to see answer by stanbon(75887)

Question 976878: Find a rational number between 2 and3 ?

Click here to see answer by josgarithmetic(39613)

Question 976821: 1) a negative real number that is not an integer
2) a number that is in every set except irrational or imaginary
Click here to see answer by Fombitz(32388)

Question 977177: find atleast two irrational numbers between 2 and 3
Click here to see answer by FrankM(1040)

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