Answers edited by Pankaj Solanki

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• How do you solve #3| 20- 9m | + 4= 25#?
  
• A triangle has corners at #(1 , 3 )#, #(4 ,8 )#, and #(9 ,7 )#. What is the radius of the triangle's inscribed circle?
  
• Question #e8598
  
• What are the excluded values and how do you simplify the rational expression #(3y-27)/(81-y^2)#?
  
• What is the equation of the tangent line of #f(x)=ln(3x)/x^2-x^2# at #x=3#?
  
• Question #c2684
  
• An object's two dimensional velocity is given by #v(t) = ( sin(pi/3t) , 2cos(pi/2t )- 3t )#. What is the object's rate and direction of acceleration at #t=1 #?
  
• Question #e84ce
  
• Question #4f1ca
  
• Please help me?
  
• How do you simplify # 2^2+ (-1.4+ 3^3/-43)+3^3-6.3+(-36+7.6-33^3)-2# using PEMDAS?
  
• An object is moving with a constant velocity of 278 m/s. How long will it take it to travel 7500 m?