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# Recent problems solved by 'nik_consult'

 Expressions-with-variables/48051: solve for X 3-2x<91 solutions Answer 31790 by nik_consult(24)   on 2006-08-03 11:42:16 (Show Source): You can put this solution on YOUR website!3-2x<9 -2x < 9 - 3 x < 6/3 x < 2
 Coordinate-system/42501: This question is from textbook BEGINING ALGEBRA Write the equation of the line x-intercept (12,0) and y-intercept (0,4).1 solutions Answer 27652 by nik_consult(24)   on 2006-06-17 11:49:55 (Show Source): You can put this solution on YOUR website!(12,0) and y-intercept (0,4). slope, m= - (y-intercept/ x-intercept) = -(4/12) = -1/3 sabtitute m = -1/3 and (0,4)into y = mx + c 4=(-1/3)(0) + C C = 4 equation of the line IS y = (-1/3)x + 4
 Percentage-and-ratio-word-problems/42502: what is the answer to 4.5% of 0.94 cm1 solutions Answer 27647 by nik_consult(24)   on 2006-06-17 11:37:27 (Show Source): You can put this solution on YOUR website!4.5% of 0.94 cm = (4.5/100)x 0.94 cm = 0.045 x 0.94 cm = 0.0423
 Exponents/42509: Identify the base in the statment "50% of 300 is 150." I believe it is 50% am I correct?1 solutions Answer 27645 by nik_consult(24)   on 2006-06-17 11:34:57 (Show Source): You can put this solution on YOUR website!50% of 300 = (50 / 100) x 300 = 150
 expressions/42514: Solve x over 6 + 3 = 0 1 solutions Answer 27644 by nik_consult(24)   on 2006-06-17 11:31:38 (Show Source): You can put this solution on YOUR website!Solve x over 6 + 3 = 0 (x/6)+ 3 = 0 (x/6)= -3 x = -3 x 6 = -18
 Average/42523: –3(10x – 3) + 10(3x – 3) = x – 71 solutions Answer 27643 by nik_consult(24)   on 2006-06-17 11:29:11 (Show Source): You can put this solution on YOUR website! –3(10x – 3) + 10(3x – 3) = x – 7 -30x + 9 + 30x - 30 = x – 7 -21 = x – 7 -21 + 7 = x x = -14
 Average/42527: 31x – 8(3x – 0.745) = 6x + 0.2051 solutions Answer 27640 by nik_consult(24)   on 2006-06-17 11:24:57 (Show Source): You can put this solution on YOUR website!31x – 8(3x – 0.745) = 6x + 0.205 31x - 24x + 5.96 = 6x + 0.205 7x + 5.96 = 6x + 0.205 7x-6x = 0.205 - 5.96 x = -5.755
 Equations/42488: -4-(-3)^21 solutions Answer 27613 by nik_consult(24)   on 2006-06-16 23:16:08 (Show Source): You can put this solution on YOUR website!-4-(-3)^2 = -4 -(9) =-4-9 =-13
 Exponential-and-logarithmic-functions/42289: for the given funtions f and g, find (a) (f o g)(4) (b)(f o g)(2) (c)(f o f)(1) f(x)=2x; g(x)=3-1/2x^21 solutions Answer 27491 by nik_consult(24)   on 2006-06-16 06:36:06 (Show Source): You can put this solution on YOUR website!for the given funtions f and g, find (a) (f o g)(4) (b)(f o g)(2) (c)(f o f)(1) f(x)=2x; g(x)=3-1/2x^2 solution: (a) g(4)= 3-1/2(4)^2 = 3- 1 / 32 = 2 so, (f o g)(4)= f[g(4)] = f[2] = 2 x [2] = 5 (b)g(2)= 3-1/2(2)^2 = 3-1/8 = 2 so,(f o g)(2)= f[g(2)] = f[2] = 2 x 2 = 5 (c)f(1)= 2(1)=2 so, (f o f)(1)= f[f(1)] = f[2] = 2(2) = 4
 Equations/42314: x^2 over 4x-12 show work1 solutions Answer 27490 by nik_consult(24)   on 2006-06-16 06:18:20 (Show Source): You can put this solution on YOUR website!x^2 over 4x-12 = xx/4(x-3)or x^2/4(x-3)
 Equations/42151: Solve the equation -0.5(30,000) + 0.15p = 0.02(30,000 + p)1 solutions Answer 27393 by nik_consult(24)   on 2006-06-15 12:15:36 (Show Source): You can put this solution on YOUR website!-0.5(30,000) + 0.15p = 0.02(30,000 + p) -15000 + 0.15p = 600 + 0.02p 0.15p-0.02p = 600+15000 0.13p= 15600 p = 15600/0.13 p=120000
 Miscellaneous_Word_Problems/42178: 57.59 divided by 4.6 ( to 2 decimal places) Thank you for the help!!!! From Precious1 solutions Answer 27389 by nik_consult(24)   on 2006-06-15 12:07:15 (Show Source): You can put this solution on YOUR website!57.59 divided by 4.6 = 12.519 = 12.52
 Length-and-distance/42240: I got to find the slop of the line through the following pairs of points (-5 , -3 ) and (-5, 2)1 solutions Answer 27387 by nik_consult(24)   on 2006-06-15 12:03:02 (Show Source): You can put this solution on YOUR website!(-5 , -3 ) and (-5, 2) slope, m= y2-y1 / x2-x1 ; y2=2, y1=-3, x2=-5 and x1=-5 = 2 - (-3) / -5 - (-5) = 2 + 3 / 0 = 5/ 0 = Undefined
 Numeric_Fractions/41983: Please help me solve this question: 4z + 12 = 7z - 91 solutions Answer 27183 by nik_consult(24)   on 2006-06-14 02:15:48 (Show Source): You can put this solution on YOUR website!Please help me solve this question: 4z + 12 = 7z - 9 12+9 = 7z-4z 21 = 3z therefore z = 21/3 = 7
 Equations/42001: Please help me solve this equation. -2x = 8? a.x = 4 b.2x = -8 c.3x + 5 = 6x - 17 d.3x + = 12x + 17 Thank you1 solutions Answer 27182 by nik_consult(24)   on 2006-06-14 02:11:19 (Show Source): You can put this solution on YOUR website!-2x = 8? so x = =-4 ans A
 Expressions-with-variables/42003: Solve for x:1 solutions Answer 27181 by nik_consult(24)   on 2006-06-14 02:08:09 (Show Source): You can put this solution on YOUR website! = = = therefore, x=
 Functions/42034: f(x)=3x-2 and g(x)=1/(2x+3) solve for (f*g)(-2)1 solutions Answer 27180 by nik_consult(24)   on 2006-06-14 01:55:43 (Show Source): You can put this solution on YOUR website!f(x)=3x-2 and g(x)=1/(2x+3) solve for (f*g)(-2) g(-2) = [1/ 2(-2)+3] = [1/-1] = -1 therefore fg(-2)= f[g(-2)] = f[-1] = 3(-1)-2 =-3-2 = -5 therefore fg(-2)= -5
 Equations/42044: Find the slope of the line passing through the points (–9, –4) and (0, –4). A) Undefined B) 0 C) 1 D) 9 1 solutions Answer 27179 by nik_consult(24)   on 2006-06-14 01:46:19 (Show Source): You can put this solution on YOUR website!Find the slope of the line passing through the points (–9, –4) and (0, –4). slope, m= y2-y1 / x2-x1 ; y2=-4, y1=-4, x2=0 and x1=-9 = -4 - (-4) / 0 - (-9) = -4 + 4 / 0 +9 = 0/ 9 = 0 ans B) 0
 Graphs/41842: Find an equation of the line that satisfies the conditions. Write the equation in standard form. Through(0,3);1 solutions Answer 27094 by nik_consult(24)   on 2006-06-13 12:36:28 (Show Source): You can put this solution on YOUR website!Through(0,3); use y=mx+c where : x = 0 & y = 3 to find the value c 3 = (0) + c c = 3 so the equation in standard form is y = x + 3
 Linear-equations/41846: This question is from textbook INTERMEDIATE ALGEBRA . Perform the indicated operations: (5x2 – 3x + 2) + (-3x2 + 9x – 8) – (x2 + 3x – 10) 1 solutions Answer 27091 by nik_consult(24)   on 2006-06-13 12:25:05 (Show Source): You can put this solution on YOUR website!(5x2 – 3x + 2) + (-3x2 + 9x – 8) – (x2 + 3x – 10) =5x2 – 3x + 2 -3x2 + 9x – 8 – x2 - 3x + 10 =(5-3–1)x2 + (-3+9-3)x + (2-8+10) =x2 + 3x + 4
 Pythagorean-theorem/41863: Let h be the function defined by h(x)=x2(2 means squared)-1, where the domain is the set of real numbers. a. find h(2) b. find h(-2) c. if h(t) = 15 what ar the possible values of t? d. find h(7.32). thanks,1 solutions Answer 27084 by nik_consult(24)   on 2006-06-13 12:07:01 (Show Source): You can put this solution on YOUR website!h(x)=x2(2 means squared)-1 (a) h(2)= (2)^2-1 = 4-1 = 3 (b)h(-2)= (-2)^2-1 = 4-1 = 3 (c) h(t) = 15 x^2 -1 = 15 x^2 = 1+15 = 16 x = sqrt(16) = + 4 @ -4 (d) h(7.32)= (7.32)^2-1 = 53.5824 - 1 = 52.5824
 Proportions/41687: Can someone help me with this problem. Choose the most reasonable measure. The height of a bookshelf (A) 12 cm. (B) 12 m (C) 1.2 m Thanks, Ashley1 solutions Answer 26948 by nik_consult(24)   on 2006-06-12 10:47:31 (Show Source): You can put this solution on YOUR website!(C) 1.2 m
 expressions/41748: Evaluate the expression: 3.2-3/5 I am lost with the "-" sign Thanks for your help1 solutions Answer 26945 by nik_consult(24)   on 2006-06-12 10:38:29 (Show Source): You can put this solution on YOUR website!3.2-3/5 = (32/10)- (3/5) =16/5 - 3/5 = 13/5
 Numeric_Fractions/41779: 1 solutions Answer 26943 by nik_consult(24)   on 2006-06-12 10:16:22 (Show Source): You can put this solution on YOUR website!it can be write as 5/9