Answers created by Dee

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• (sin(10°)+sin(20°)+sin(40°)+sin(50°))/(cos(10°)+cos(20°)+cos(40°)+cos(50°)) = ?
  
• How do you evaluate `f(x)=1/2x-13` for `f(8)`?
  
• Trig and Integration help please?
  
• Trigonometric Functions Question (Area underneath a curve). Help please?
  
• A straight line through the point (0,-3) intersects the curve y^2 + x^2 -27x +41 =0 at (2,3). calculate the coordinates of the point at which the line again meet the curve. can someone please explain this to me?
  
• Question #5d2b2
  
• How do you find the restrictions of `3/(x-4)-7`?
  
• Question #06065
  
• Question #e0d72
  
• How do you simplify `|z + 4| \leq 35`?
  
• How do you solve `-2< ( 2- 2x ) < 3`?
  
• The center of a circle is located at (−2, 7) . The radius of the circle is 2. What is the equation of the circle in general form?
  
• Question #e9dfa
  
• How do you solve `3( \ln 5x ) = 24`?
  
• How do you find a standard form equation for the line with (6,2) m=1/2?
  
• What is the 2nd term in expansion of `(3u-1)^3`?
  
• What is `cos theta` if `(12, -5)` is a point on the terminal side of `theta`?
  
• How do you simplify `(g^6h^2m)/(hg^7)`?
  
• Four consecutive even integers add up to 52. What are the numbers?
  
• How do you rationalize the denominator and simplify `(2sqrt7 - 4sqrt2)/( 2sqrt3)`?
  
• How do you graph `r=1+2costheta`?
  
• Question #4e796
  
• Question #4931b
  
• How do you solve the system of equations `-3x + 2y = - 15` and `2x = 4y + 26`?
  
• Solve for X? (Logarithmic Equation)
  
• How do you write an equation of a line given (7,-3), m=-4/7?
  
• How do you factor and solve `x^2+5x-2=0`?
  
• A taxi company charges $2 for the first mile and then $0.25 per mile for each additional mile. If Lupita's fare was $4.50, how many miles did she travel in the taxi?
  
• Question #4d981
  
• The second term in a geometric sequence is 12. The fourth term in the same sequence is 413. What is the common ratio in this sequence?
  
• Does the equation `y=5x+2` represent a direct variation and if so, identify the constant of variation?
  
• How do you find the domain and range of `f(x) = sqrt(x-9)`?
  
• How do you find the domain and range of `(4)/(x-3)`?
  
• Question #ff261