Tutorials Posted by dayamath
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dayamath's Posted Tutorials
| Bounty | Category | Question | Tutorial | Purchases | Date Posted |
|---|---|---|---|---|---|
| $10.00 | Computer-Science | CS HELP_4 | complet program in C++ (see sceenshot ):
...mprove it please notify me and I ... | Dec. 23, 2012 at 08:17:41AM | |
| $3.00 | Mathematics | integral by parts | step by step solution here:
...ntegration by parts method: Let f(u) = u then g'(u) = 1 Let g(u) = 1/(u+1)² we know that (1/(u+1) )' = -1/(u+1)² then multiplying by -1 we get (-1/(u+1) )' = 1/(u+1)² hence the antide... | Dec 08, 2012 at 6:58:21PM | |
| $3.00 | Mathematics | linear transformation -one to one- onto | step by step solution here:
...0 0; 1 1] (since derivativ of constante = 0) =0*I11 + 0*I12 + 1*I21 + 1*I22 then first line of M the matrix representation of T is [0 0 1 1 ] T(X) = matrix[0 1; 0 2] = 0*... | Dec 08, 2012 at 6:01:58PM | |
| $3.00 | Mathematics | integration by parts, multivariable | step by step solution here:
...* e^(-N(u+1)) - (1/(u+1)² )*e^(-N(u+1)) + (1/(u+1)² ) Now to calculate integral from 0 to infinity we have juste to compute the limit of ( intergal from 0 to N) when N -------> infinity integral...... | Dec. 08, 2012 at 10:17:34AM | |
| $6.00 | Computer-Science | Text Problems | complet program in C++ (works fine):
...if you want to improve it o... | Dec 06, 2012 at 4:41:54PM | |
| $25.00 | Computer-Science | 3 short intro to ANSI C programs. | complet working programs here:
...ll tested. if you h... | Dec 04, 2012 at 3:50:26PM | |
| $2.00 | Mathematics | Vectors and matrices 2 questions. | step by step solution here( question 8):
... about line y=x, followed by a rotation of the vector by pi/3 means that we can construct A in order to model the reflection about the line y = x, and construct a matrix B that model a rotation by...... | Dec 03, 2012 at 3:30:18PM | |
| $1.00 | Mathematics | Vectors and matrices 2 questions. | step by step solution here( for (a) and (b) ) :
...)/() u= ( -4*5-3*3)/(5² 3²) u = (-29/34) u = ( 29*5/34, -29*3/34) = (145/34, 87/34) finally the distance from the poi... | Dec 03, 2012 at 3:03:03PM | |
| $10.00 | Mathematics | Trignometric Functions | step by step solution here:
...b²/c² = c²/c² then (a/c)² (b/c)² = 1 we recognize a/c = sin A and b/c = cos A then ( sin A)² ( cos A)² = 1 we know that sin A = 3/5 sibstituting sin A wit... | Dec 01, 2012 at 3:44:45PM | |
| $3.00 | Mathematics | Webassign #6 | step by step solution here:
...is attached... | Nov 29, 2012 at 2:49:08PM | |
| $0.25 | Mathematics | Parks Elementary School has an... | solution here:
...tudents that are in fifth or sixth grade is 45% of 640 = 45*640/100 = 288 students Let m be the number of students that are in the fifth grad and n the number of students in sixth g... | Nov. 29, 2012 at 09:41:35AM | |
| $0.25 | Mathematics | THESUM OF TWO NUMBERS IS 17. THE... | solution here:
...i,... | Nov. 29, 2012 at 09:17:42AM | |
| $1.00 | Computer-Science | Programming C language | A program in C (not algorithm) :
... in C for your proble... | Nov 28, 2012 at 3:27:02PM | |
| $1.00 | Mathematics | mat/117 help | solution here:
...4) 29. 12x^4 - 18x^3 4x^2 - 6x = 6*2x*x^3 - 9*2x*x^2 2*2x... | Nov 28, 2012 at 3:23:26PM | |
| $2.00 | Mathematics | A bag contains 6 red marbles and 4 black | solution here:
...w two black marbles ... | Nov. 26, 2012 at 09:39:43AM | |
| $15.00 | Computer-Science | C++ problem | complet program in C++ (without bonus )
...e program that meet the requirement of your pe... | Nov. 25, 2012 at 10:08:34AM | |
| $0.25 | Mathematics | Find the present value of $1,500,000... | solution here:
... here we have A = 1,500,000; r = 0.085; n = 12 a... | Nov 23, 2012 at 6:21:03PM | |
| $0.25 | Mathematics | Joe has a collection of nickels and... | solution here:
... beacme 0.05n+0.10m=5.40 (eq1) and 0.05n + 0.2m = 9.70 (eq2) we substract equation 1 from equation 2 we obtain 0.05n + 0.2m - (0.05n + 0.10m) = 9.70 - 5.... | Nov 23, 2012 at 6:14:29PM | |
| $0.25 | Mathematics | Farmer planted corn and wheat on 1270... | solution here:
...0 - x) = 264,600 equivalent to 270x - 135x + 135*1270 = 264,600 then 135x + 171,450 = 26... | Nov 23, 2012 at 3:05:26PM | |
| $3.00 | Mathematics | Find a quadratic function given by C(x | solution here:
...ee table 11.15) then C(1959) = a(1959 - 1959)² k = 300 hence k = 300 also in the table 11... | Nov 23, 2012 at 2:29:41PM | |
| $0.25 | Mathematics | Which investment results in the... | solution here:
...vestment A: "$5,000 invested" ===> P = 5,000 "for 7 years"... | Nov. 23, 2012 at 08:09:14AM | |
| $0.25 | Mathematics | Find the present value of 1,400,000... | solution here:
..., The compound interest formula is A = P(1 (r/n))^(n*t) with A is the future value... | Nov. 23, 2012 at 07:55:10AM | |
| $0.25 | Mathematics | Gregor walked 2/30 mile to his... | solution here:
...i, Let x be the distance between calculus class and dormit... | Nov 21, 2012 at 2:59:50PM | |
| $1.00 | Mathematics | graph the equation | solution here:
...if y=0 then 0 = (2/3)x 2 then (2/3)x = -2 then x = -2*(3/2) hence x = -3 ) ... | Nov 21, 2012 at 2:54:41PM | |
| $1.00 | Mathematics | High school 12th grade Algebra 2 | answers:
... of the triangle )  B) choice 1: c² = a² + b²... | Nov 21, 2012 at 2:47:18PM | |
| $0.25 | Mathematics | A projectile is fired upward from the... | solution:
... that gives us the height at a... | Nov. 21, 2012 at 08:27:21AM | |
| $25.00 | Mathematics | Finite Math Review | answers here ( correct choices ) :
...x = 900 - 700 + 400 = 600 Hence the answer is C. 7) B 8) A = 1500(1+0.1)^(25) = 16252.0589 Hence the answer is A 9) I = 400*0.07*5 = 140; th... | Nov 20, 2012 at 6:47:40PM | |
| $0.30 | Mathematics | differential | solution:
...n approximate any function using Taylor expansion ( or we can just say that we app... | Nov 17, 2012 at 4:01:10PM | |
| $0.25 | Mathematics | Find the vertex of the parabola. y =... | The answer here:
...We have to write the equation in the vertex form: -2x² 12x - 13 ... | Nov 17, 2012 at 3:42:37PM | |
| $5.00 | Computer-Science | most frequent character | complet program in C
...very big !) *) if there is more than one most frequently characters in the... | Nov. 17, 2012 at 08:30:35AM | |
| $0.25 | Mathematics | Rashid can paint 2 square feet of... | answer:
...e to paint 2 square feet in 10min let x be the he ... | Mar. 19, 2012 at 04:30:59AM | |
| $0.25 | Mathematics | a rectangle is 8 cm longer than twice... | answer:
...nd b the width of this rectangle. the "rectangle is 8 cm longer than twice the width" : a = 8... | Mar. 04, 2012 at 10:33:39AM | |
| $15.00 | Computer-Science | gross pay | 100% working c++ program :
... program that works... | Mar. 03, 2012 at 09:17:15AM | |
| $4.00 | Mathematics | Ma105 work W6 | solution:
...s wit... | Mar. 02, 2012 at 08:05:26AM | |
| $1.00 | Mathematics | Help with algebra problems needed | solution here:
...)^2 ) = (x-5)( x²-10x+25 ) = x³ - 10x² + 25x -5x² + 5... | Mar. 01, 2012 at 09:52:45AM | |
| $5.00 | Mathematics | Application assignment | complete solution:
...on and you can ... | Feb. 27, 2012 at 11:54:54AM | |
| $0.25 | Mathematics | A technician can install a... | complete answer:
...hen In an hour the technician can instal 1/6 of the line and the techn... | Feb. 27, 2012 at 07:24:54AM | |
| $8.00 | Mathematics | I am in a pinch I need this today | complete and accurate solutions:
...and c... | Feb. 26, 2012 at 09:30:40AM | |
| $1.00 | Mathematics | logic math | complete answer:
...ion is eat (spinach) ... | Feb. 26, 2012 at 07:39:43AM | |
| $0.50 | Mathematics | math exponents | answer here:
... (4 x 1... | Feb. 26, 2012 at 07:34:06AM | |
| $0.25 | Mathematics | The formula A=P(1+r)2 gives the... | complete answer:
...= square_root( 4452.10/4000) then r = sq... | Feb. 26, 2012 at 07:26:55AM | |
| $0.50 | Mathematics | The system of equations consisting of: x | complete answer:
...cause ... | Feb 25, 2012 at 12:55:23PM | |
| $0.50 | Mathematics | Find the slope of the line passing throu | complete answer:
...let A(14,-3) and B(18,-... | Feb 25, 2012 at 12:27:43PM | |
| $1.00 | Mathematics | Help needed from geniusy | answers for question 1,2, 3
...d the sol... | Feb 23, 2012 at 1:45:44PM | |
| $0.50 | Mathematics | how do you simpilfy the product | answer here:
...2)(x + 3)... | Feb. 23, 2012 at 11:45:38AM | |
| $10.00 | Computer-Science | Computer Programming Project | 100% working c++ program : I dont use do..while or if... I used switch instead
...can message me ... | Feb. 21, 2012 at 11:14:28AM | |
| $1.50 | Computer-Science | simple C++ program | 100% working c++ program :
...good rating i... | Feb 19, 2012 at 2:33:57PM | |
| $1.00 | Mathematics | Help me factor this equation 2x^2+76x+4 | complete answer:
...x )^2 2*sqrt(2)*38/sqrt(2)*x 38^2 /2 - 38^2 /2 430 = ... | Feb 19, 2012 at 2:07:41PM | |
| $2.00 | Mathematics | trigonometry problem | solution:
...1/(sin^2 x) - (cos^2 x)/(sin^2 x) = ... | Feb 14, 2012 at 3:11:27PM | |
| $1.00 | Mathematics | Please help me understand this math ques | answer here:
...hen y=x-1 and 2(x-y) = 2 then y=x-1 and x-y=... | Feb 14, 2012 at 1:58:29PM | |
| $0.25 | Mathematics | A student makes a $8.75 purchase at... | answer here:
...5n + 0.5m = 20 - 8.75 and n+m=30 then 0.25n+0.5m = 11.25 and 0.25n+0.25m = 0.25*30=7.5 ... | Feb 14, 2012 at 1:31:23PM | |
| $2.00 | Mathematics | math help | Correct answers but without details:
... B 7) B 8) A 9) D 10) D 11) ... | Feb. 13, 2012 at 07:26:45AM | |
| $15.00 | Computer-Science | due time is 7 hour | complete answer for the a) question :
...file answer ... | Feb. 13, 2012 at 03:07:18AM | |
| $2.00 | Mathematics | hepl? | answer here:
...hen || 3u || = |3|*|| u || = 3*sqrt(46) || v || = sqrt( 3^2 + 1^2 + (-5)^2 + 7^2 ) ... | Feb 12, 2012 at 11:10:16PM | |
| $0.25 | Mathematics | Is the triangle with the vertices... | answer here:
...√( 8^2 + 10^2 ) = √164  AC^2... | Feb 12, 2012 at 1:41:03PM | |
| $0.25 | Mathematics | Find the distance between the points... | answer here:
...-12 + -5 )/2 = -17/2 y = (-7 + -4)/2... | Feb 12, 2012 at 1:09:55PM | |
| $0.50 | Mathematics | Find the distance between the points... | answer here:
...25 + 9) = sqrt( 34) midpoint : x... | Feb 12, 2012 at 1:04:15PM | |
| $6.00 | Computer-Science | b. Write a C++ program to generate a gra | A working program here : 100% correct
...ogram 1... | Feb 09, 2012 at 5:29:39PM | |
| $3.00 | Computer-Science | 7 questions please help i have 30 min left | multiple choice answers here:
...ting 2) pseudo... | Feb 08, 2012 at 7:30:13PM | |
| $1.00 | Mathematics | Please help me understand my math work. | answer for Q1 and Q2:
...3 - 1/3 = (5-1)/3 = 4/3. 5/(2/3) = 5*3/2 = 15/2. (... | Feb 08, 2012 at 6:31:56PM | |
| $1.00 | Mathematics | Make a generalization about dividends an | answer:
...= 1 we generalize: a/a = 1 fo... | Feb 08, 2012 at 6:20:31PM | |
| $0.25 | Mathematics | the second of two numbers is 6 more... | complete answer:
...a+6 and a+b = 30 the difference side by si... | Feb 08, 2012 at 2:25:37PM | |
| $0.25 | Mathematics | Rachel multiplied the sum of 2 and 3... | complete answer:
... = 2+3 = 5 multipied b... | Feb 08, 2012 at 2:21:37PM | |
| $0.30 | Mathematics | the difference of four times a number... | answer here:
... 8 is 16 so 4x - 8 =... | Feb 08, 2012 at 2:18:36PM | |
| $0.30 | Mathematics | the difference between negative six... | answer here:
... 7 - (-6) = 7+6 ... | Feb 08, 2012 at 2:15:15PM | |
| $1.00 | Mathematics | need help in algebra | Solving inequalities . Questions 1,2,3 and 4
...o give you more details if ... | Feb. 02, 2012 at 09:17:27AM |