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# Recent problems solved by 'Tatiana_Stebko'

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, >>Next

 Equations/735143: 5-4/3x=21 solutions Answer 449290 by Tatiana_Stebko(1326)   on 2013-04-08 12:03:45 (Show Source): You can put this solution on YOUR website! Multiply by
 Linear-systems/735148: y+2=3x 3x-y=-11 solutions Answer 449288 by Tatiana_Stebko(1326)   on 2013-04-08 11:49:39 (Show Source): You can put this solution on YOUR website! Use the substitution method from the first equation Substitute into the second equation incorrect, therefore the system has no solutions
 Rational-functions/735154: if g(x) = x^2 + 2 and h(x) = x - 3, what is g(-1)?1 solutions Answer 449286 by Tatiana_Stebko(1326)   on 2013-04-08 11:41:50 (Show Source):
 Linear-equations/716061: slove equation 7x-5x+15=x+8 1 solutions Answer 439716 by Tatiana_Stebko(1326)   on 2013-02-19 03:43:01 (Show Source):
 test/716064: Use the substitution u=3^x to solve the equation 3^x=4-3(3^-x).1 solutions Answer 439715 by Tatiana_Stebko(1326)   on 2013-02-19 03:33:48 (Show Source): You can put this solution on YOUR website! since Substitute , or or or Answer: x=0, x=1
 test/676246: 2(2y-3)=4(2y+2)1 solutions Answer 420250 by Tatiana_Stebko(1326)   on 2012-11-05 15:57:34 (Show Source): You can put this solution on YOUR website! divide by 2
 expressions/676242: (-125)^4/31 solutions Answer 420247 by Tatiana_Stebko(1326)   on 2012-11-05 15:54:40 (Show Source):
 test/676217: What's the LMC of 16, 24, an 36?1 solutions Answer 420236 by Tatiana_Stebko(1326)   on 2012-11-05 15:29:10 (Show Source): You can put this solution on YOUR website! LCM=
 Graphs/676227: 18+8x=01 solutions Answer 420226 by Tatiana_Stebko(1326)   on 2012-11-05 15:18:11 (Show Source): You can put this solution on YOUR website! divide by 8
 Numeric_Fractions/670311: 9m+27-5(m-2)=4m-(3m-4)-6m+61 solutions Answer 416853 by Tatiana_Stebko(1326)   on 2012-10-22 18:05:27 (Show Source):
 Permutations/668056: Four people are needed to search a missing dog. Ten people volunteer. In how many ways can the four people be chosen? I put C(10,4)= 210. Not quite sure.1 solutions Answer 415339 by Tatiana_Stebko(1326)   on 2012-10-17 18:12:27 (Show Source): You can put this solution on YOUR website! you are right
 Distributive-associative-commutative-properties/668058: 14x-6+7x>4+10X-101 solutions Answer 415335 by Tatiana_Stebko(1326)   on 2012-10-17 18:01:44 (Show Source):
 Subset/665585: Complete the following items dealing with sets. If set A = {3, 4, 7, 9} and set B = {8, 9, 10, 11}, list the elements in numerical order for A U B __ __ __ __ __ __ A backwards U for Union and 1 BLANK __1 solutions Answer 413951 by Tatiana_Stebko(1326)   on 2012-10-12 17:23:34 (Show Source): You can put this solution on YOUR website!A U B={3, 4, 7, 8, 9, 10, 11}
 Functions/665603: Find the inverse of the function. f(x) = 4x^3 - 7 ...is there an inverse? or this not a one to one function?1 solutions Answer 413950 by Tatiana_Stebko(1326)   on 2012-10-12 17:17:14 (Show Source): You can put this solution on YOUR website! solve for x
 absolute-value/665609: 1/absolute value(7-5x)=81 solutions Answer 413948 by Tatiana_Stebko(1326)   on 2012-10-12 17:10:23 (Show Source): You can put this solution on YOUR website! or or or or
 test/662320: how to solve x / 3 + x / 2 > 51 solutions Answer 412095 by Tatiana_Stebko(1326)   on 2012-10-05 16:58:26 (Show Source): You can put this solution on YOUR website! Multipy by 6 (because 3*2=6) divide by 5
 Travel_Word_Problems/662144: If you run 4mph how many miles can you run in 3 hours1 solutions Answer 411935 by Tatiana_Stebko(1326)   on 2012-10-05 06:30:15 (Show Source): You can put this solution on YOUR website!miles
 Exponents/662141: I need help with the simplifing the following 2 problems: 10+(5-3)^-2+5^0 and (7-3)^3+ 2^-2+5 I have to simplify these and show all steps! For some reason the example in my book just dont make sense to me. Can you please help??1 solutions Answer 411934 by Tatiana_Stebko(1326)   on 2012-10-05 06:03:45 (Show Source): You can put this solution on YOUR website!Use: .
 �t�e�s�t/660030: Solve 36k^2 = 49 using the principle of zero products1 solutions Answer 411023 by Tatiana_Stebko(1326)   on 2012-10-01 17:09:53 (Show Source): You can put this solution on YOUR website! or or
 Numbers_Word_Problems/660035: The sum of three and three times a number is 54. Find the number1 solutions Answer 411021 by Tatiana_Stebko(1326)   on 2012-10-01 17:06:22 (Show Source): You can put this solution on YOUR website!Let be the number
 Exponents/660037: what is 8 to the power of 2 x 8 to the power of 3 = 8 ? 1 solutions Answer 411020 by Tatiana_Stebko(1326)   on 2012-10-01 17:04:36 (Show Source):
 test/660039: 12a+3+18-9a1 solutions Answer 411019 by Tatiana_Stebko(1326)   on 2012-10-01 17:03:35 (Show Source):
 Numeric_Fractions/658679: How do you solve this fraction? 14 1/4 - 12 4/5 I am confused and forgot how to do it and I left my book at school, I would really appreciate the help. Thank you!1 solutions Answer 410400 by Tatiana_Stebko(1326)   on 2012-09-28 16:57:11 (Show Source):
 Linear-systems/658680: The solution of the following system of linear equations is the point (1,-1) y=3x-4 y=-4x+31 solutions Answer 410399 by Tatiana_Stebko(1326)   on 2012-09-28 16:52:50 (Show Source): You can put this solution on YOUR website!True Substitute into the equations x=1, y=-1 correct correct
 Numbers_Word_Problems/658667: the sum of twice a number and 3/4 is the same as the difference of 4 times the number and 1/8.find the number1 solutions Answer 410398 by Tatiana_Stebko(1326)   on 2012-09-28 16:50:06 (Show Source): You can put this solution on YOUR website!Let x is the number
 Functions/658673: For the given functions f and g, find the requested function and state its domain. f(x) = 4x - 3; g(x) = 8x - 9 Find f - g. For the given functions f and g, find the requested function and state its domain. f(x) = 3x + 4; g(x) = 4x - 6 Find f ∙ g. For the given functions f and g, find the requested function and state its domain. f(x) = 4x + 3; g(x) = 5x - 2 Find f/g 1 solutions Answer 410396 by Tatiana_Stebko(1326)   on 2012-09-28 16:45:43 (Show Source): You can put this solution on YOUR website! The domain is all real x The domain is all real x The domain is not equal is not equal
 Rational-functions/656859: How do you simplify this please? x^2-16/3x-121 solutions Answer 409683 by Tatiana_Stebko(1326)   on 2012-09-25 15:46:16 (Show Source):
 Sequences-and-series/656846: Algebra 2 question: find he equation for the sequence of numbers 3, 21, 147, 1029 there are multiples of 7 in the upper numbers (7 to the "n"th power) but how to describe the 3 at the beginning of the sequence?1 solutions Answer 409682 by Tatiana_Stebko(1326)   on 2012-09-25 15:44:30 (Show Source):
 Square-cubic-other-roots/656856: What is two plus the square root of three over the square root of five?1 solutions Answer 409680 by Tatiana_Stebko(1326)   on 2012-09-25 15:42:21 (Show Source):
 Quadratic_Equations/656246: My text book is the Blitzer College Algebra book and the text asks to "Solve each equation by making an appropriate substitution" and the problem I need help with is... 9x^4=25x^2-161 solutions Answer 409412 by Tatiana_Stebko(1326)   on 2012-09-24 14:21:49 (Show Source): You can put this solution on YOUR website! or or or , , ,
 Polynomials-and-rational-expressions/656230: what is the product of (x+7)(x+4) 1 solutions Answer 409409 by Tatiana_Stebko(1326)   on 2012-09-24 14:14:31 (Show Source): You can put this solution on YOUR website!Use FOIL