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 Money_Word_Problems/441856: how long would it take for an amount of money to triple itself if it is invested at 9.25% compounded continuously?1 solutions Answer 304925 by ewatrrr(10682)   on 2011-04-28 15:11:49 (Show Source): You can put this solution on YOUR website!  Hi Compounding continously A= p e^rt 3 = e^.0925t ln(3) =.0925t 1.0986 = .0925t 11.88yrs = t ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 Money_Word_Problems/441951: how long does it take \$925 to double if it is invested at 5% interest compounded monthly?1 solutions Answer 304922 by ewatrrr(10682)   on 2011-04-28 15:06:24 (Show Source): You can put this solution on YOUR website!  Hi A= p(1+r/n) ^nt 2 = (1 + .05/12)^12t log2/log(1.0042) = 12t 165.3813 12t 13.78yr = t ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 Angles/441986: What is 28pie over 6 in degrees?1 solutions Answer 304919 by ewatrrr(10682)   on 2011-04-28 14:58:16 (Show Source): You can put this solution on YOUR website!  Hi Note: degrees = = 840° 
 Angles/441985: What is 585degrees in radians?1 solutions Answer 304913 by ewatrrr(10682)   on 2011-04-28 14:53:28 (Show Source): You can put this solution on YOUR website!  Hi Note: radians = = = ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 logarithm/441984: Question 15: Using a calculator solve: Ln x=.9881 solutions Answer 304911 by ewatrrr(10682)   on 2011-04-28 14:49:11 (Show Source): You can put this solution on YOUR website!  Hi Using a calculator solve: Ln x=.988 e^.998 = x 2.7129 = x ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 Angles/441983: If sin Q= 24/25 and cos Q<0, what would the quadrant of Q and tan Q be?1 solutions Answer 304909 by ewatrrr(10682)   on 2011-04-28 14:44:25 (Show Source): You can put this solution on YOUR website!  Hi sin Q= 24/25 >0 and cos Q<0 Q and tan Q = sinQ/cosQ would be in the II Quadrant Note the (cosx, sinx) summary below: 
 Rectangles/441976: If the length of a rectangle exceeds the width by 9 inches and the perimeter is 86 inches, what are the length and width of the rectangle?1 solutions Answer 304907 by ewatrrr(10682)   on 2011-04-28 14:38:54 (Show Source): You can put this solution on YOUR website!  Hi length of a rectangle exceeds the width by 9 inches Let x and (x+9)represent the width and length respectively 2(x+9) + 2x = 86" 4x = 68" x = 17", the width. The length is 26" (17" + 9") CHECKING our Answer*** 2*26" + 2*17" = 86" ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 logarithm/441965: 5a^2/3=451 solutions Answer 304904 by ewatrrr(10682)   on 2011-04-28 14:33:54 (Show Source): You can put this solution on YOUR website!  Hi 5a^2/3 = 45 a^2 = 729 a = ± 27 ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 logarithm/441964: 3e^t=571 solutions Answer 304902 by ewatrrr(10682)   on 2011-04-28 14:26:23 (Show Source): You can put this solution on YOUR website!  Hi 3e^t=57 e^t = 19 ln(19) = t 2.9444 = t ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 logarithm/441937: I need help with Logarithm...i dont get them at all...and do not know to do in calculator..... write in exponential form Log2(1/4)=-2 1 solutions Answer 304901 by ewatrrr(10682)   on 2011-04-28 14:12:40 (Show Source): You can put this solution on YOUR website!  Hi familiarize Yourself with the Properties of Logarithms write in exponential form then ewatrrr@aol.com private/pay tutoring Inquiries only, please. 
 Functions/441943: the problem is (5x²y^3)²= do i write it out twice like this (5x²y^3) (5x²y^3) do i then foil that?1 solutions Answer 304900 by ewatrrr(10682)   on 2011-04-28 13:48:15 (Show Source): You can put this solution on YOUR website!  Hi This becomes a process of multiplication of like terms: Note: (5x^2y^3)^2= (5x^2y^3)(5x^2y^3) | Yes! (5x^2y^3)(5x^2y^3) = 25x^4y^6 
 Angles/441380: What is the exact value of tan 330?1 solutions Answer 304688 by ewatrrr(10682)   on 2011-04-27 15:07:47 (Show Source): You can put this solution on YOUR website!  Hi tan(330°) = sin (330°)/cos(330°) = (cosx,sinx) summary: 
 Angles/441382: What is the exact value of csc(-225)?1 solutions Answer 304685 by ewatrrr(10682)   on 2011-04-27 15:04:31 (Show Source): You can put this solution on YOUR website!  Hi csc(-θ) = -cscθ csc(-225°) = -csc225° = - 1/sin225° = (cosx,sinx) summary: 
 Angles/441384: What is the exact value of cos(-150)?1 solutions Answer 304678 by ewatrrr(10682)   on 2011-04-27 14:57:16 (Show Source): You can put this solution on YOUR website!  Hi cos(-θ) = cosθ cos(-150°) = cos 150° = (cosx,sinx) summary: 
 Geometry_Word_Problems/441387: A guy wire is attached to the top of a 75 foot tower and meets the ground at a 65 degree angle. How long is the wire?1 solutions Answer 304672 by ewatrrr(10682)   on 2011-04-27 14:49:11 (Show Source): You can put this solution on YOUR website!  Hi A guy wire is attached to the top of a 75 foot tower and meets the ground at a 65 degree angle. How long is the wire? sin 65 = opp/hyp = 75ft/hyp hyp = 75ft/sin 65 = 82.75 ft, is the length of the wire 
 Trigonometry-basics/441379: write an equivalent expression: (³√64x^4 y^3) Choices: (1) 2x (2) 2x^(4/3)y (3) 4x^(4/3)y (4) 4x^12 y^9 Thanks1 solutions Answer 304671 by ewatrrr(10682)   on 2011-04-27 14:44:09 (Show Source): You can put this solution on YOUR website!  Hi 
 Numeric_Fractions/441368: the problem is two fractions add together 1/x+1 + 2/x+2 = do you add straight across? 3/x²+3 ?1 solutions Answer 304667 by ewatrrr(10682)   on 2011-04-27 14:37:03 (Show Source): You can put this solution on YOUR website!  Hi Note: we can only combine 'Like' terms 
 Square-cubic-other-roots/441369: problem is 10x^3y²z divided by 5xyz= how do i solve this??1 solutions Answer 304664 by ewatrrr(10682)   on 2011-04-27 14:28:26 (Show Source): You can put this solution on YOUR website!  Hi 
 logarithm/441027: 1 solutions Answer 304662 by ewatrrr(10682)   on 2011-04-27 14:25:59 (Show Source): You can put this solution on YOUR website!  Hi 4^2 = (x+3)/x 16x = x+3 15x = 3 x = 1/5 
 logarithm/440836: Log 5 (x-1) =-1;x=?1 solutions Answer 304658 by ewatrrr(10682)   on 2011-04-27 14:17:19 (Show Source): You can put this solution on YOUR website!  Hi 5^(-1) =(x-1)] 1/5 = x-1 6/5 = x 
 logarithm/440882: condense log(6x+7)-logx1 solutions Answer 304657 by ewatrrr(10682)   on 2011-04-27 14:13:49 (Show Source): You can put this solution on YOUR website!  Hi 
 logarithm/441111: logx 25/4 = 2 please help me solve the equation for x. thanks!!1 solutions Answer 304656 by ewatrrr(10682)   on 2011-04-27 14:09:27 (Show Source): You can put this solution on YOUR website!  Hi x^2 = 25/4 x = 5/2 (negative solution being extraneous) 
 logarithm/441359: Log base 2(3-x)=21 solutions Answer 304655 by ewatrrr(10682)   on 2011-04-27 14:06:44 (Show Source): You can put this solution on YOUR website!  Hi 4 = 3-x x = 7 
 Functions/441355: what is the domain of (x-1)/(x^2+1) 1 solutions Answer 304650 by ewatrrr(10682)   on 2011-04-27 13:54:37 (Show Source): You can put this solution on YOUR website!  Hi what is the domain of (x-1)/(x^2+1) Domain: 
 Functions/441350: problem is (3y²)(6y-²)= the second squared is - negative -2 how do i work this problem out?1 solutions Answer 304647 by ewatrrr(10682)   on 2011-04-27 13:50:10 (Show Source): You can put this solution on YOUR website!  Hi referring to the rules governing exponents: *** 
 Functions/441353: the problem is simplify a fraction 7x-7y/x²-y² 7x-7y on top of fraction _____ x²-y² on bottom of fraction were do i begin do the x and y on top cancel out with an x and y from bottom?1 solutions Answer 304646 by ewatrrr(10682)   on 2011-04-27 13:45:37 (Show Source): You can put this solution on YOUR website!  Hi 
 Sequences-and-series/441352: The 100th term of an arthmetic sequenceis 138, and the common difference is 2. What is the first 3 1 solutions Answer 304644 by ewatrrr(10682)   on 2011-04-27 13:40:20 (Show Source): You can put this solution on YOUR website!  Hi The 100th term of an arthmetic sequence is 138, and the common difference is 2. Arithmetic Sequence the first three terms are {-60,-58,-56,...} 
 Quadratic_Equations/440862: 8x^2 + 3x = -21 solutions Answer 304642 by ewatrrr(10682)   on 2011-04-27 13:35:53 (Show Source): You can put this solution on YOUR website!  Hi 8x^2 + 3x = -2 8x^2 + 3x + 2 =0 
 Quadratic_Equations/440867: Is the function y + 2x^2= -2 quadratic? Thanks for your help1 solutions Answer 304641 by ewatrrr(10682)   on 2011-04-27 13:32:25 (Show Source): You can put this solution on YOUR website!  Hi Is the function y + 2x^2= -2 quadratic? y + 2x^2= -2 y = -2x^2 -2 Using the vertex form of a parabola, where(h,k) is the vertex Vertex pt(0,-2) parbola open downwards: a = -2 < 0 
 Quadratic_Equations/440883: x^2+10x+22=01 solutions Answer 304640 by ewatrrr(10682)   on 2011-04-27 13:28:25 (Show Source): You can put this solution on YOUR website!  Hi x^2+10x+22=0 
 Quadratic_Equations/440914: Find the center and radius of the circle. y^2=25-x^21 solutions Answer 304639 by ewatrrr(10682)   on 2011-04-27 13:25:52 (Show Source): You can put this solution on YOUR website!  Hi Finding the center and radius of the circle: y^2=25-x^2 Standard Form of an Equation of a Circle is where Pt(h,k) is the center and r is the radius y^2=25-x^2 x^2 + y^2 = 25 Center (0,0) aand r = 5