Tutor:

New! Get regular updates about newly solved problems via algebra.com's RSS system.

---

Recent problems solved by 'Fombitz'

Fombitz answered: 13805 problems
Jump to solutions: 0..29 , 30..59 , 60..89 , 90..119 , 120..149 , 150..179 , 180..209 , 210..239 , 240..269 , 270..299 , 300..329 , 330..359 , 360..389 , 390..419 , 420..449 , 450..479 , 480..509 , 510..539 , 540..569 , 570..599 , 600..629 , 630..659 , 660..689 , 690..719 , 720..749 , 750..779 , 780..809 , 810..839 , 840..869 , 870..899 , 900..929 , 930..959 , 960..989 , 990..1019 , 1020..1049 , 1050..1079 , 1080..1109 , 1110..1139 , 1140..1169 , 1170..1199 , 1200..1229 , 1230..1259 , 1260..1289 , 1290..1319 , 1320..1349 , 1350..1379 , 1380..1409 , 1410..1439 , 1440..1469 , 1470..1499 , 1500..1529 , 1530..1559 , 1560..1589 , 1590..1619 , 1620..1649 , 1650..1679 , 1680..1709 , 1710..1739 , 1740..1769 , 1770..1799 , 1800..1829 , 1830..1859 , 1860..1889 , 1890..1919 , 1920..1949 , 1950..1979 , 1980..2009 , 2010..2039 , 2040..2069 , 2070..2099 , 2100..2129 , 2130..2159 , 2160..2189 , 2190..2219 , 2220..2249 , 2250..2279 , 2280..2309 , 2310..2339 , 2340..2369 , 2370..2399 , 2400..2429 , 2430..2459 , 2460..2489 , 2490..2519 , 2520..2549 , 2550..2579 , 2580..2609 , 2610..2639 , 2640..2669 , 2670..2699 , 2700..2729 , 2730..2759 , 2760..2789 , 2790..2819 , 2820..2849 , 2850..2879 , 2880..2909 , 2910..2939 , 2940..2969 , 2970..2999 , 3000..3029 , 3030..3059 , 3060..3089 , 3090..3119 , 3120..3149 , 3150..3179 , 3180..3209 , 3210..3239 , 3240..3269 , 3270..3299 , 3300..3329 , 3330..3359 , 3360..3389 , 3390..3419 , 3420..3449 , 3450..3479 , 3480..3509 , 3510..3539 , 3540..3569 , 3570..3599 , 3600..3629 , 3630..3659 , 3660..3689 , 3690..3719 , 3720..3749 , 3750..3779 , 3780..3809 , 3810..3839 , 3840..3869 , 3870..3899 , 3900..3929 , 3930..3959 , 3960..3989 , 3990..4019 , 4020..4049 , 4050..4079 , 4080..4109 , 4110..4139 , 4140..4169 , 4170..4199 , 4200..4229 , 4230..4259 , 4260..4289 , 4290..4319 , 4320..4349 , 4350..4379 , 4380..4409 , 4410..4439 , 4440..4469 , 4470..4499 , 4500..4529 , 4530..4559 , 4560..4589 , 4590..4619 , 4620..4649 , 4650..4679 , 4680..4709 , 4710..4739 , 4740..4769 , 4770..4799 , 4800..4829 , 4830..4859 , 4860..4889 , 4890..4919 , 4920..4949 , 4950..4979 , 4980..5009 , 5010..5039 , 5040..5069 , 5070..5099 , 5100..5129 , 5130..5159 , 5160..5189 , 5190..5219 , 5220..5249 , 5250..5279 , 5280..5309 , 5310..5339 , 5340..5369 , 5370..5399 , 5400..5429 , 5430..5459 , 5460..5489 , 5490..5519 , 5520..5549 , 5550..5579 , 5580..5609 , 5610..5639 , 5640..5669 , 5670..5699 , 5700..5729 , 5730..5759 , 5760..5789 , 5790..5819 , 5820..5849 , 5850..5879 , 5880..5909 , 5910..5939 , 5940..5969 , 5970..5999 , 6000..6029 , 6030..6059 , 6060..6089 , 6090..6119 , 6120..6149 , 6150..6179 , 6180..6209 , 6210..6239 , 6240..6269 , 6270..6299 , 6300..6329 , 6330..6359 , 6360..6389 , 6390..6419 , 6420..6449 , 6450..6479 , 6480..6509 , 6510..6539 , 6540..6569 , 6570..6599 , 6600..6629 , 6630..6659 , 6660..6689 , 6690..6719 , 6720..6749 , 6750..6779 , 6780..6809 , 6810..6839 , 6840..6869 , 6870..6899 , 6900..6929 , 6930..6959 , 6960..6989 , 6990..7019 , 7020..7049 , 7050..7079 , 7080..7109 , 7110..7139 , 7140..7169 , 7170..7199 , 7200..7229 , 7230..7259 , 7260..7289 , 7290..7319 , 7320..7349 , 7350..7379 , 7380..7409 , 7410..7439 , 7440..7469 , 7470..7499 , 7500..7529 , 7530..7559 , 7560..7589 , 7590..7619 , 7620..7649 , 7650..7679 , 7680..7709 , 7710..7739 , 7740..7769 , 7770..7799 , 7800..7829 , 7830..7859 , 7860..7889 , 7890..7919 , 7920..7949 , 7950..7979 , 7980..8009 , 8010..8039 , 8040..8069 , 8070..8099 , 8100..8129 , 8130..8159 , 8160..8189 , 8190..8219 , 8220..8249 , 8250..8279 , 8280..8309 , 8310..8339 , 8340..8369 , 8370..8399 , 8400..8429 , 8430..8459 , 8460..8489 , 8490..8519 , 8520..8549 , 8550..8579 , 8580..8609 , 8610..8639 , 8640..8669 , 8670..8699 , 8700..8729 , 8730..8759 , 8760..8789 , 8790..8819 , 8820..8849 , 8850..8879 , 8880..8909 , 8910..8939 , 8940..8969 , 8970..8999 , 9000..9029 , 9030..9059 , 9060..9089 , 9090..9119 , 9120..9149 , 9150..9179 , 9180..9209 , 9210..9239 , 9240..9269 , 9270..9299 , 9300..9329 , 9330..9359 , 9360..9389 , 9390..9419 , 9420..9449 , 9450..9479 , 9480..9509 , 9510..9539 , 9540..9569 , 9570..9599 , 9600..9629 , 9630..9659 , 9660..9689 , 9690..9719 , 9720..9749 , 9750..9779 , 9780..9809 , 9810..9839 , 9840..9869 , 9870..9899 , 9900..9929 , 9930..9959 , 9960..9989 , 9990..10019 , 10020..10049 , 10050..10079 , 10080..10109 , 10110..10139 , 10140..10169 , 10170..10199 , 10200..10229 , 10230..10259 , 10260..10289 , 10290..10319 , 10320..10349 , 10350..10379 , 10380..10409 , 10410..10439 , 10440..10469 , 10470..10499 , 10500..10529 , 10530..10559 , 10560..10589 , 10590..10619 , 10620..10649 , 10650..10679 , 10680..10709 , 10710..10739 , 10740..10769 , 10770..10799 , 10800..10829 , 10830..10859 , 10860..10889 , 10890..10919 , 10920..10949 , 10950..10979 , 10980..11009 , 11010..11039 , 11040..11069 , 11070..11099 , 11100..11129 , 11130..11159 , 11160..11189 , 11190..11219 , 11220..11249 , 11250..11279 , 11280..11309 , 11310..11339 , 11340..11369 , 11370..11399 , 11400..11429 , 11430..11459 , 11460..11489 , 11490..11519 , 11520..11549 , 11550..11579 , 11580..11609 , 11610..11639 , 11640..11669 , 11670..11699 , 11700..11729 , 11730..11759 , 11760..11789 , 11790..11819 , 11820..11849 , 11850..11879 , 11880..11909 , 11910..11939 , 11940..11969 , 11970..11999 , 12000..12029 , 12030..12059 , 12060..12089 , 12090..12119 , 12120..12149 , 12150..12179 , 12180..12209 , 12210..12239 , 12240..12269 , 12270..12299 , 12300..12329 , 12330..12359 , 12360..12389 , 12390..12419 , 12420..12449 , 12450..12479 , 12480..12509 , 12510..12539 , 12540..12569 , 12570..12599 , 12600..12629 , 12630..12659 , 12660..12689 , 12690..12719 , 12720..12749 , 12750..12779 , 12780..12809 , 12810..12839 , 12840..12869 , 12870..12899 , 12900..12929 , 12930..12959 , 12960..12989 , 12990..13019 , 13020..13049 , 13050..13079 , 13080..13109 , 13110..13139 , 13140..13169 , 13170..13199 , 13200..13229 , 13230..13259 , 13260..13289 , 13290..13319 , 13320..13349 , 13350..13379 , 13380..13409 , 13410..13439 , 13440..13469 , 13470..13499 , 13500..13529 , 13530..13559 , 13560..13589 , 13590..13619 , 13620..13649 , 13650..13679 , 13680..13709 , 13710..13739 , 13740..13769 , 13770..13799 , 13800..13829, >>Next

Triangles/365935: The lengths of the legs of a right triangle are x and x-y. The length of the hypotenuse is x+y. Find the ratio of x to y. 1 solutions Answer 260808 by Fombitz(13828)   on 2010-11-04 08:17:42 (Show Source): You can put this solution on YOUR website! Use the Pythagorean theorem,

Evaluation_Word_Problems/365941: Find the logarithm using the change-of-base formula. log100 20 1 solutions Answer 260806 by Fombitz(13828)   on 2010-11-04 08:13:29 (Show Source): You can put this solution on YOUR website! . . or approximately,

Miscellaneous_Word_Problems/365957: Which of these points is inside the closed curve defined by the equation (x - 2)^2 + (y + 3)^2 = 4? A) (0 , -3) B) (3 , -2) C) (4 , 1) D) (1 , 4) E) (0 , 0) 1 solutions Answer 260805 by Fombitz(13828)   on 2010-11-04 08:10:07 (Show Source): You can put this solution on YOUR website! The equation is a circle of radius 2 centered at (2,-3) . . .

Square-cubic-other-roots/365963: How to check a particular number is a perfect cube?eg:46656,13825,3375,74088 1 solutions Answer 260803 by Fombitz(13828)   on 2010-11-04 08:07:05 (Show Source): You can put this solution on YOUR website! Take the cube root of each number. To the power of () on your calculator. <-- Not a perfect cube, is.

Probability-and-statistics/365964: If a subject is randomly selected and measured, find the probability of a score between 110.0 pounds and 125.0 pounds. 1 solutions Answer 260802 by Fombitz(13828)   on 2010-11-04 08:03:59 (Show Source): You can put this solution on YOUR website! You should have a mean and a standard deviation to solve this type of problem. Please re-post.

Polynomials-and-rational-expressions/365972: perform the indicated operation 12y^4+6y^3-3y^2+11y ____________________ 3y^2 thank you 1 solutions Answer 260801 by Fombitz(13828)   on 2010-11-04 08:03:01 (Show Source): You can put this solution on YOUR website! DUPLICATE See test/364976:

Triangles/365967: A.Find all of the values of x for which the measure of an acute angle is between 60 and 105, here is the main equation (3x+18)* the mark means degrees. B.From the range found in part A, find all values of x for which the acute angle will be obtuse. I just need equation. 1 solutions Answer 260797 by Fombitz(13828)   on 2010-11-04 07:52:24 (Show Source): You can put this solution on YOUR website! Once the angle is beyond 90, it's no longer acute. . . . . . . . Acute: Right: Obtuse:

Graphs/365968: solve the equation by graphing. if exact roots cannot be found, state the consecutive integers between which the roots are located. -x^2+6x-9=0..thanks 1 solutions Answer 260796 by Fombitz(13828)   on 2010-11-04 07:51:22 (Show Source): You can put this solution on YOUR website!

Triangles/365973: find the area when b=12ft and h=5ft 1 solutions Answer 260795 by Fombitz(13828)   on 2010-11-04 07:50:03 (Show Source): You can put this solution on YOUR website! Complete that calculation to find the area.

Polynomials-and-rational-expressions/365802: 15x^7y^4+30xy^2+10xy^3/5xy^3 1 solutions Answer 260760 by Fombitz(13828)   on 2010-11-03 23:08:48 (Show Source): You can put this solution on YOUR website!

Angles/365747: Answer the questions and be ready to explain to your teacher.... a) measure of angle of m<1 + m<2+m<3 = 180degreees ? Why? 1 solutions Answer 260759 by Fombitz(13828)   on 2010-11-03 23:04:39 (Show Source): You can put this solution on YOUR website! Are 1,2, and 3 angles in a triangle??

Trigonometry-basics/365745: solve and write out solution for y=sinx 1 solutions Answer 260758 by Fombitz(13828)   on 2010-11-03 23:03:59 (Show Source): You can put this solution on YOUR website! y=sin(x) . . .

Quadratic_Equations/365832: (x-19)2=20 1 solutions Answer 260757 by Fombitz(13828)   on 2010-11-03 23:02:50 (Show Source): You can put this solution on YOUR website!

Probability-and-statistics/365891: Let x be a random variable with this probability distribution: x 0 1 2 3 P(x) 0.4 0.3 0.2 0.1 1 solutions Answer 260756 by Fombitz(13828)   on 2010-11-03 23:00:11 (Show Source): You can put this solution on YOUR website! What's the question??

Linear-equations/365840: find all solution ( real and complex) to the equation: x^4+3x^2=x^3 find all zeros of the function: f(x)= 2x^3+10x 1 solutions Answer 260755 by Fombitz(13828)   on 2010-11-03 22:59:47 (Show Source): You can put this solution on YOUR website! . . is the real solution. . . . is the complex solution. . . . . . . .

test/365846: I need help on solving inqualities 1 solutions Answer 260754 by Fombitz(13828)   on 2010-11-03 22:54:30 (Show Source): You can put this solution on YOUR website! Can you list a problem that shows the areas you need help with?

Inverses/365851: how do you solve add improper fraction 15/8+21/8 1 solutions Answer 260753 by Fombitz(13828)   on 2010-11-03 22:53:52 (Show Source): You can put this solution on YOUR website! If they have the same denominator, add the numerators over the common denominator.

Probability-and-statistics/365876: Two cards are drawn from a standard deck. What is the probability that the second card is a king I have tried 48/52 times 4/51 (First being probability of not being a king then times that by probability of the second being a king) not sure if this is correct. Thanks 1 solutions Answer 260752 by Fombitz(13828)   on 2010-11-03 22:49:35 (Show Source): You can put this solution on YOUR website! If the first card is a King then only 3 remain. If the first card is not a King then 4 remain.

Problems-with-consecutive-odd-even-integers/365855: Find the side of a square whose diagonal is radical of 5cm. 1 solutions Answer 260751 by Fombitz(13828)   on 2010-11-03 22:47:48 (Show Source): You can put this solution on YOUR website! Use the Pythagorean theorem,

Equations/365880: 0.9x+5≤1.7x-8 1 solutions Answer 260750 by Fombitz(13828)   on 2010-11-03 22:45:22 (Show Source): You can put this solution on YOUR website!

Points-lines-and-rays/365409: Is it possible to find two lines on plane which are neither parallel nor intersecting ? EXPLAIN PLEASE 1 solutions Answer 260478 by Fombitz(13828)   on 2010-11-02 23:31:34 (Show Source): You can put this solution on YOUR website! DUPLICATE See Points-lines-and-rays/365411:

Points-lines-and-rays/365411: Is it possible to find two lines in space which are neither parallel nor intersecting? EXPLAIN PLEASE 1 solutions Answer 260477 by Fombitz(13828)   on 2010-11-02 23:30:50 (Show Source): You can put this solution on YOUR website! In space yes. Place one line in a plane. Place a second line perpendicular to the first line in the same plane. Now separate the two lines in a direction perpendicular to the plane they both lie in. Now the lines are neither parallel nor do they intersect.

Points-lines-and-rays/365327: find the perimeter of a rectangle if 3 of it's vertices are (5,-2)(-3,-2)(-3,3) 1 solutions Answer 260476 by Fombitz(13828)   on 2010-11-02 23:28:34 (Show Source): You can put this solution on YOUR website! From the sketch,

Polynomials-and-rational-expressions/365332: (3x+7)/(3) 1 solutions Answer 260475 by Fombitz(13828)   on 2010-11-02 23:25:08 (Show Source): You can put this solution on YOUR website!

Polynomials-and-rational-expressions/365364: x to the 4th power - (x-6)squared. We are supposed to factor each one completely. 1 solutions Answer 260474 by Fombitz(13828)   on 2010-11-02 23:23:56 (Show Source): You can put this solution on YOUR website! and and and . . .

Square-cubic-other-roots/365405: what is the simplified cubed root of 500 1 solutions Answer 260473 by Fombitz(13828)   on 2010-11-02 23:19:14 (Show Source): You can put this solution on YOUR website!

Quadratic_Equations/365367: Factor completely 8x^5-56x^4+32x^3 1 solutions Answer 260472 by Fombitz(13828)   on 2010-11-02 23:17:52 (Show Source): You can put this solution on YOUR website!

Equations/365374: y=3x+-7 1 solutions Answer 260471 by Fombitz(13828)   on 2010-11-02 23:16:43 (Show Source): You can put this solution on YOUR website!

Triangles/365398: What is the measure of angle C if angle A measures 48 degrees in the isosceles triangle ABC? 1 solutions Answer 260470 by Fombitz(13828)   on 2010-11-02 23:16:08 (Show Source): You can put this solution on YOUR website! Two possible solutions: degrees . . . degrees

Polynomials-and-rational-expressions/365400: how do find all zero of (4x^2+2)(x^2+3) 1 solutions Answer 260469 by Fombitz(13828)   on 2010-11-02 23:14:26 (Show Source): You can put this solution on YOUR website! . . . . . .

Complex_Numbers/365403: Simplify (5+i)(-4-8i)and write the answer in standard form? 1 solutions Answer 260468 by Fombitz(13828)   on 2010-11-02 23:12:50 (Show Source): You can put this solution on YOUR website! Use the FOIL Method,