Questions on Algebra: Numeric Fractions answered by real tutors!

Tutors Answer Your Questions about Numeric Fractions (FREE)

Question 325831: what are the rules for adding, multiplying, dividing, or subtracting fractions or numbers with pi in them?
Click here to see answer by solver91311(24713)

Question 326106: what is 135/225 in lowest terms
Click here to see answer by solver91311(24713)

Question 326129: One task took 7 minutes (min), a second task took 12 min, and
a third task took 21 min. How long did the three tasks take, as a fraction of an
hour?

I don't understand how to do this?
Click here to see answer by Fombitz(32388)

Question 326308: The problem is:
-5/3 (2 3/4 + p)= -121/12
I simplified it so it is:
55/12 + -5/3p = -121/12
I want to know if my simplifying is correct, and what the next step would be in the problem.
Click here to see answer by AAfter Search(61)

Question 326573: w^2-1/(w-1)^2*w-1/w^2+2w+1
Click here to see answer by user_dude2008(1862)

Question 326676: can u give me an example of a punnet square please
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Question 326720: Hello, I found out that a fraction of : (7x+1)/(x+1)(x-2) simplifies as follows :
2/(x+1) + 5/(x-2)
Could you please guide me as to how I can simplify similar fractions? Is it based solely on experience or is there some kind of methodology? I would be really grateful if you'd help me on this!
Sincerely yours,
Kollias Panos
Click here to see answer by AAfter Search(61)

Question 326953: A manufacturer of bird feeders cuts spacers from a tube that is 10 1/5 inches long. How many spacers can be cut from the tube if each spacer must be 3/5 inch thick?
Click here to see answer by nyc_function(2741)

Question 326948: Please help me solve this:
A student has received scores of 88, 82, and 84 on the three quizzes. If tests count twice as much as quizzes, what is the lowest score the student can get on the next test to achieve an average score of at least 70?
Thank you
Click here to see answer by stanbon(75887)

Question 327196: If 1/3 of a number is less than 24, then the number must be
a) less than 8
b) less than 48
c) more than 72
d) less than 72
e) more than 24
I believe the answer to be less than 72, but I am not sure why because a) and b) seem to fit. Can you show me how d) is not the right answer.
Thank you
Click here to see answer by solver91311(24713)

Question 327425: how do you evaluate (-3)3
Click here to see answer by Alan3354(69443)

Question 327431: if 21-2x=-9x then x=
Click here to see answer by stanbon(75887)

Question 327432: if 5-3x>with line under this 20 then solve for x
Click here to see answer by Fombitz(32388)

Question 327427: how do you evaluate 10- [6-2(2-5)]
Click here to see answer by Fombitz(32388)

Question 327433: find a slope of the line caontaining the points(2,-5)and(-6'1)
Click here to see answer by Fombitz(32388)

Question 327492: Having trouble with the problem. The answer key says the answer is: 3/2^2
So I'm trying to figure if the problem is:

5/2^2 - 3/2^2
or
2^(5/2) - 2^(3^2)
Click here to see answer by Fombitz(32388)

Question 327927: how much money will rent and utilities cost?
Click here to see answer by rapaljer(4671)

Question 327926: what integer would represent your total budget

Click here to see answer by unlockmath(1688)

Question 327994: x/x2+xy + y/x2-y2 + x+y/xy+y2 = ...
please show the ways to.. thank you..
Click here to see answer by Fombitz(32388)

Question 328070: 3 over 4 minus k over 3 = 5 over 12
Click here to see answer by nyc_function(2741)

Question 328145: a. Separate the fractions 2/6, 2/5, 6/13, 1/25, 7/8, and 9/29 into two
categories: those that can be written as a terminating
decimal and those that cannot. Write an explanation
of how you made your decisions.
b. Form a conjecture about which fractions can be
expressed as terminating decimals.
c. Test your conjecture on the following fractions:6/12, 7/15, 28/140,
and 0/7
d. Use the ideas of equivalent fractions and common
multiples to verify your conjecture.
I thought that I had part A but then I did not understand B, C, and D. Please help me, thank you so much:)
Click here to see answer by Edwin McCravy(20054)

Question 328424: -2a^2/3a^2*20a?15a^3
Click here to see answer by Fombitz(32388)

Question 328520: 1. What is the average (arithmetic mean) of 8, 7, 7, 5, 3, 2, and 2?
A. 3 4/7
B. 4 5/6
C. 4 6/7
D. 5
E. 6 4/5

Click here to see answer by Alan3354(69443)

Question 328519: 1. What is the average (arithmetic mean) of 8, 7, 7, 5, 3, 2, and 2?
A. 3
B. 4
C. 4
D. 5
E. 6

Click here to see answer by Edwin McCravy(20054)

Question 44136: My problem is; Kristi jogged for 3/5 of an hour, swam for 1/2 of an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise?
Click here to see answer by mommasita(1)

Question 329298: 4 1/8 x 1/5
Click here to see answer by Fombitz(32388)

Question 329757: 3/5y - 7/2= -8/3
Click here to see answer by stanbon(75887)

Question 330004: solve 2x+4 when x is 5
Click here to see answer by checkley77(12844)

Question 329998: What is 2x+4
Click here to see answer by Fombitz(32388)

Question 330696: how can i learn algebra? i need help.. im tryigng to get out of school and i need to learn algebra
Click here to see answer by rfer(16322)

Question 330670: please help calculate and reduce to simplest terms, what is the denominator of the resulting fraction? (3/4-2/3)+(1/2+1/3).
Click here to see answer by rfer(16322)

Question 330787: Hi there its been ages since i was at school and i need to sharpen up on maths questions for possible future employment
A quick example is algebra 3x=81. What is the value of "x" and how is this worked out???
Click here to see answer by texttutoring(324)

Question 329665: (√3 - √2)�
Click here to see answer by Fombitz(32388)

Question 330989: what is -19/6 as a reduces mixed number?
Click here to see answer by Earlsdon(6294)

Question 331345: 1 1/3 + 2 1/3
Click here to see answer by rfer(16322)

Question 331515: WHAT IS THE PRODUCT OF 8 AND T
Click here to see answer by mananth(16946)

Question 331995: I am having trouble subtracting simple & mixed fractions when they have different denominators . How do I learn this step by step?
Click here to see answer by Alan3354(69443)

Question 332164: A computer can execute a certain loop in .000000002 seconds. How many loops can the computer execute in 2 hours?
Click here to see answer by rfer(16322)

Question 332397: need to write this in fraction form 7/15 times 20 times 1/2
Click here to see answer by rfer(16322)

Question 332456: 1/2 + (2/3 + 3/4) - (4/5 x 5/6)
Click here to see answer by rfer(16322)

Question 332614: What is X+1/3+X+2/7=2
Click here to see answer by fractalier(6550)

Question 332733: How do u solve for this problem?
5/6+9/14=
Click here to see answer by mananth(16946)

Question 332958: -3/5[2/3-1/2(3/4-1/2)]
Click here to see answer by rfer(16322)

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, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900