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