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

Algebra ->  Algebra  -> Real-numbers -> Questions on Algebra: Real numbers, Irrational numbers, etc answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Real numbers, Irrational numbers, etc Solvers Lessons Answers archive Quiz In Depth

 Question 56406: What other sets of numbers there are other than the set of real numbers and its subsets. Click here to see answer by AgusKwan(7)

 Question 56758: Again, didn't know where to put this problem. Solve and Check: In baseball a player's batting average is the ratio of hits to the number of times he or she has batted. Thus, if the player has an average of .3000, it means he or she got 300 hits in 1000 at bats. In order to have an average of .300, how many hits would the batter have to get in 400 times at bat? Click here to see answer by funmath(2925)
 Question 56758: Again, didn't know where to put this problem. Solve and Check: In baseball a player's batting average is the ratio of hits to the number of times he or she has batted. Thus, if the player has an average of .3000, it means he or she got 300 hits in 1000 at bats. In order to have an average of .300, how many hits would the batter have to get in 400 times at bat? Click here to see answer by stanbon(57977)

 Question 56757: Didn't know exactly where to put this problem. It's a worksheet and in the text book for the certain type of problem it's under Investment Problems. Solve and check: An investment of \$1500 paid interest of \$45 during a certain period. How much interest would an investment of \$1200 invested at the same rate for the same length of time pay? Click here to see answer by tutorcecilia(2152)

 Question 57060: I need to find any real numbers for which the following expression is undefined. I just can't seem to grasp it. ____X-5___ X+2 Click here to see answer by stanbon(57977)

 Question 57303: I need help on solving the problems -6 + (-5) and -17+(-14) and -5 over 6 + 9 over 16 and also -1.5 + (-2.3) Click here to see answer by CrazyMan Jr.(21)

 Question 55824: . Given a = 4, b = -3 and c = 12, which of the following expressions will yield a value that is undefined? a. a + 2 * b – c b. 3 * a + 4 * b – c c. 2 * c /(4 * b + 3 * a) d. (3 * a) – (-4 * b) / c also............. Which of the following is a property of real numbers? a. (a + b)n = an + bn c. a(b + c) = ab + ac d. All of the others Click here to see answer by rcmcc(152)

 Question 57847: Which of the following is a Pythagorean triple? a.6, 8, 12 b. 3, 4, 5 c. 1, 2, 3 d. 5, 7, 12 Which of the following remains an unsolved problem in mathematics? a. Konigsberg Bridge Problem b. Fermat’s Last Theorem c. Goldbach’s Conjecture D. Fundamental Theorem of Arithmetic Which is the third row of Pascal’s triangle? a. 1 1 b. 1 4 6 4 1 c. 1 2 1 d. 1 3 3 1 Click here to see answer by Edwin McCravy(8999)

 Question 51429: Explain why the real numbers would not be the most reasonable domain for the number of nails in a barrel of roofing nails. Click here to see answer by hayek(51)

 Question 58124: THE SUM OF TWO CONSECUTIVE INTEGERS IS 145. FIND THE TWO INTEGERS. Click here to see answer by hayek(51)

 Question 58169: what is a real number between 7 3/5 and 7 4/5? Click here to see answer by checkley71(8403)

 Question 58166: How do I combine these two numbers to get a sum so it can be divided by 2. I need to determine a real number between 7 3/5 and 7 4/5. Click here to see answer by checkley71(8403)

 Question 58200: k-3k=36 Click here to see answer by rcmcc(152)

 Question 58177: How do I add these numbers together and divide by 2 to find a real number? 7/8 and 9/10 Click here to see answer by stanbon(57977)
 Question 58177: How do I add these numbers together and divide by 2 to find a real number? 7/8 and 9/10 Click here to see answer by rcmcc(152)

 Question 58168: What is a real number between 7/8 and 9/10? Click here to see answer by stanbon(57977)

 Question 58573: Loa is two years younger than three times Mary's age. If Mary's age in six years will be 3x-6, what is Loas's age now? Click here to see answer by stanbon(57977)

 Question 58954: I'm confused about negative numbers when you add or subtract them. The problem I am stuck on is five/sixths subtract negative two/thirds? Please help. Kathryn Click here to see answer by checkley71(8403)

 Question 59523: How do I do this problem? One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. I nned to find the larger number. Thank you, Jamie Click here to see answer by stanbon(57977)

 Question 60269: Order the numbers -23,15,-13,-2,14-5 from least to greatest Click here to see answer by funmath(2925)
 Question 60269: Order the numbers -23,15,-13,-2,14-5 from least to greatest Click here to see answer by greenman(5)

 Question 60587: Probability I do not understand A card is drawn from a deck of ten card numbered 1 - 10. The card is replaced in the deck and another card is drawn. P(an odd number and then an even number) P(two numbers greater than 4) P(an odd number and then an even number) P(5 and then a 3) Please help me understand the concept.... Click here to see answer by venugopalramana(3286)

 Question 60831: What is the difference bdtween rational and irrational numbers? Click here to see answer by jai_kos(139)

 Question 61707: 3 square root of 2 equals - what sets of numbers? Click here to see answer by tutorcecilia(2152)

 Question 61753: Find the set of all complex solutions. +6x=+12 Click here to see answer by stanbon(57977)

 Question 61754: Find the set of all real solutions. If the solution set contains infinitely many elements, use interval notation to represent it. -=2 Click here to see answer by stanbon(57977)

 Question 61784: +1= Click here to see answer by josmiceli(9817)

 Question 62335: Find a number between 3/7 and 5/6? thanks for helping Click here to see answer by joyofmath(189)

 Question 62334: how do you solve, -9/3/2 Click here to see answer by 303795(595)
 Question 62334: how do you solve, -9/3/2 Click here to see answer by checkley71(8403)

 Question 62543: I DO NOT UNDERSTAND THIS MEAN,MODE AND MEDIAN AND i DO NOT KNOW WHO CAN HELP ME UNDERSTAND THIS IS MY PROBLEM i AM IN THE 7 GRADE PLEASE SHOW ME 7,19,19,N,15 MEAN=13 i KNOW i ADD AND THEN i DIVIDE. Click here to see answer by uma(370)

 Question 62997: Pleae help me with the following : A number is tripled and then the product is increased by 4. This sum is then multiplied by -2 and the result is 16 greater than twice the opposite of the number. What is the number?? thank yoU! Click here to see answer by ankor@dixie-net.com(15746)

 Question 63267: I am to convert the equation to slope-intercept form and then identify the correct slope of this line 4x+2y=10 Thanks, lackinmath Click here to see answer by uma(370)

 Question 63268: Given the points (-2,2) and (1,3) on a line, calculate the slope of that line Please help!!!!!!!!!! Lackinmath Click here to see answer by uma(370)

 Question 63270: Given the point (-2, -1 and a slope of 3/2 find the equation of the line having this slope and point This is confusing me!!!!!!!!! lackinmath Click here to see answer by josmiceli(9817)

 Question 63766: I need to evalutate this problem but not sure how to do it. Evaluate P(-1/2) if P(x) = 2x4 + x3 + 12 Click here to see answer by Earlsdon(6294)

 Question 64104: Is -9.1111... a rational, irrational,interger, natuaral number, or whole number? Click here to see answer by stanbon(57977)

 Question 64030: The set of real numbers between 2 and 6 Click here to see answer by stanbon(57977)

 Question 64728: WRITE THE DECIMAL AS A FRACTION IN SIMPLEST FORM. 2.305 Click here to see answer by checkley71(8403)

 Question 65152: It's just not clicking. Can you show me step by step how to break this down & solve? 0.1p+2.1=4.6p-1.9+0.5p Click here to see answer by ptaylor(2052)

 Question 65074: What is the type of problem for which no real number has a solution called? Click here to see answer by Nate(3500)

 Question 63160: ThIS IS USING RATES... Portia drove her new car 425 miles on 10.8 gallons of gasoline. A. what is the cars rate of gasoline consumption in miles per gallon? B. if this is the typical mileage for portia's car, how much gas will it take for a 750 mile vacation trip? C. if gas cost \$1.35 per gallon, how much will portia spend on gas on her vacation? D. the manufacturer advertised that the car would get 30 to 35 miles per gallon. how does portia's mileage compare to the advertised estimates? Click here to see answer by 303795(595)

 Question 65324: how can i tell if a -674 is a interger or a whole number or a natural and are all numbers integers Click here to see answer by stanbon(57977)

 Question 65806: Graph -x - 3 >= - 1; D = {reals} Click here to see answer by stanbon(57977)

 Question 65995: Find the value of "k" if f(x) = 3x2 + 6x + 1 is put into general form. a. -2 b. -1 c. 1 d. 3 e. 4 Click here to see answer by uma(370)

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