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Recent problems solved by 'Tatiana_Stebko'

Tatiana_Stebko answered: 1326 problems
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Equations/735143: 5-4/3x=2 1 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=-1 1 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): You can put this solution on YOUR website!

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): You can put this solution on YOUR website!

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)^4/3 1 solutions Answer 420247 by Tatiana_Stebko(1326)   on 2012-11-05 15:54:40 (Show Source): You can put this solution on YOUR website!

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=0 1 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+6 1 solutions Answer 416853 by Tatiana_Stebko(1326)   on 2012-10-22 18:05:27 (Show Source): You can put this solution on YOUR website!

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-10 1 solutions Answer 415335 by Tatiana_Stebko(1326)   on 2012-10-17 18:01:44 (Show Source): You can put this solution on YOUR website!

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)=8 1 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 > 5 1 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 hours 1 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 products 1 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 number 1 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): You can put this solution on YOUR website!

test/660039: 12a+3+18-9a 1 solutions Answer 411019 by Tatiana_Stebko(1326)   on 2012-10-01 17:03:35 (Show Source): You can put this solution on YOUR website!

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): You can put this solution on YOUR website!

Linear-systems/658680: The solution of the following system of linear equations is the point (1,-1) y=3x-4 y=-4x+3 1 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 number 1 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-12 1 solutions Answer 409683 by Tatiana_Stebko(1326)   on 2012-09-25 15:46:16 (Show Source): You can put this solution on YOUR website!

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): You can put this solution on YOUR website!

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): You can put this solution on YOUR website!

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^2-16 1 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