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

Tutors Answer Your Questions about real-numbers (FREE)

Question 805607: find a number which when multiplied by 5 is increased by 80.
Click here to see answer by richwmiller(17219)

Question 805626: My question is. 5 small candles and 3 large candles for $6.40 4 small candles and 6 large candles for $7.50. What is the T of the large candles and the S of the small candles?
Click here to see answer by erica65404(394)

Question 807700: Find 4 consecutive even integers such that 2 times the sum of the 1st and 2nd is 14 more than 3 times the 4th
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Question 808531: prove that [1/2(a+b)]^2
Click here to see answer by kekegeter (97)

Question 812325: Question: √ 80 -2 √ 20 + 3 √ 45
Please answer step by step.
Answer in book: 9 √ 5
My answer: 10 √5
Click here to see answer by richwmiller(17219)

Question 813113: opposite reciprocal of 1/3
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Question 813115: opposite reciprocal of 4
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Question 813117: opposite reciprocal of -4
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Question 813119: parallel equation of y=x+9 (6,-2)
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Question 822430: can you factor 3x^2+2x+5
Click here to see answer by Alan3354(69443)

Question 823178: There are approimately 98.8 million households in the United States. If a households is chosen at random , what are the odds that the households owns a pet?
Click here to see answer by Edwin McCravy(20054)

Question 823271: Is -13< -5 true or false
Click here to see answer by richwmiller(17219)

Question 823887: For how many real numbers x, is { { { sqrt ( 144 - sqrt ( x ) ) } } } an integer?
Click here to see answer by KMST(5328)

Question 823887: For how many real numbers x, is { { { sqrt ( 144 - sqrt ( x ) ) } } } an integer?
Click here to see answer by Edwin McCravy(20054)

Question 804876: what is 5 and 5/8 as a decimal
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Question 824446: -3x -10 < -4
Click here to see answer by tommyt3rd(5050)

Question 788061: How can I show a real number on a graph?

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Question 790212: 2[5/8-2]+3(2-5/8)
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Question 788390: what are natural numbers
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Question 786895: What is the product that involving the 'switching' of numbers
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Question 788713: Write all classifications that apply to the real number 12/6
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Question 786097: Would you help me do the each square root is between two consecutive integers. would you help me name the integers and help me explain my answer
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Question 785191: If a and b are any two real numbers, explain how you calculate the difference a � b. Be sure to include the following in your explanation
ur thingy up here when u submit doesn't have addition and reciprocls
Click here to see answer by tommyt3rd(5050)

Question 824699: -3x -10 < -4
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Question 824444: 2M + 4 > 24
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Question 784927: the equation for the volume of a right circular cylinder is V=pi(r)squared(h). solve the formula for the radius
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Question 792331: What do you do to check whether a number is rational or irrational? Use an example of a rational and irrational number
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Question 783998: can you solve for 1/3 y-3=3/4
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Question 783707: To which subset of the real numbers does belong?
Irrational Numbers
Integers
Whole Numbers
Natural Numbers
Rational Numbers
Click here to see answer by tommyt3rd(5050)

Question 783512: How do you solve square roots of irrational numbers w/o a calculator? for example sqroot of 68. Please advise.
Bryan
Click here to see answer by tommyt3rd(5050)

Question 783512: How do you solve square roots of irrational numbers w/o a calculator? for example sqroot of 68. Please advise.
Bryan
Click here to see answer by Alan3354(69443)

Question 817431: what dose -i equal
Click here to see answer by tommyt3rd(5050)

Question 825234: Which of the following sets of numbers is closed under multiplication?
{-2,-1,0,1}
{-1,0,1,2}
{0,1,2}
[0,1}
Click here to see answer by stanbon(75887)

Question 825551: If the sum of all integers from 1 to 1,000,
inclusive, is x, then which expression
represents the sum of all integers from
1 to 998, inclusive?
(A) x � 1,999
(B) x � 999
(C) x + 999
(D) x + 1,999

Click here to see answer by oscargut(2103)

Question 826915: ab+c=d solve for b
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Question 826915: ab+c=d solve for b
Click here to see answer by MathLover1(20849)

Question 827559: Can you consider natural number also as rational number?
Click here to see answer by josgarithmetic(39613)

Question 829777: which number is further from zero -3+5i or 2-6i
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Question 830559: perform the operations given
Aub
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Question 831130: how to solve questions like this...
root 3 < 4root 10
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Question 790218: Word problems:
A cabinet maker build 3 cabinets in 2 days. An apprentice works 1/2 as fast as the cabinet makers. How many days does he build 9 cabinets??
Click here to see answer by tommyt3rd(5050)

Question 792125: If A ={a, b, c, d, e} and B={alphabet like f, g, and h} could you help me to find the definitions for;
1. f (a)=r , f (b)=a , f (c)=s , f (d)=r , f (e)=e
2. g (a)=a , g (b)=g (c)=e, g (d)=r , g (e)=s
3. h (a)=z , h (b)=y , h (c)=x , h (d)=y , h (e)=z
Please?
Click here to see answer by tommyt3rd(5050)

Question 832050: Which classifications can -3 fall under? real, rational, integer, whole, irrational
Click here to see answer by JulietG(1812)

Question 832050: Which classifications can -3 fall under? real, rational, integer, whole, irrational
Click here to see answer by hovuquocan1997(83)

Question 832646: How many pieces of pipe that are 29 foot long must be laid together to make a pipe 10 feet long?
Click here to see answer by JulietG(1812)

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