Answers created by Kha L.

• Back to user's profile
• Option 1: Purchase a new phone for $300. Your cell phone bill will be $80 per month. Option 2: Make monthly payments of $25 for your phone. Your cell phone bill will be $70 per month (plus the $25 for the phone). How many months same overall cost?
  
• I am playing a walking game with myself. On move 1, I do nothing, but on move #n# where #2 \le n \le 25#, I take one step forward if #n# is prime and two steps backwards if the number is composite. After all 25 moves, I stop and walk back to cont. below?
  
• Compute #i+i^2+i^3+\cdots+i^{258}+i^{259}#. ?
  
• What is (5+square root of 3)(4-2square root of 3)?
  
• 1, 2, 4 and 8 are factors of which number? 8, 6, 12, or 20?
  
• What is the orthocenter of a triangle with corners at #(4 ,9 )#, #(7 ,4 )#, and (8 ,1 )#?
  
• What comes next in this sequence of prime numbers? 11, 13, 17, 19, ?
  
• An object is made of a prism with a spherical cap on its square shaped top. The cap's base has a diameter equal to the lengths of the top. The prism's height is #5 #, the cap's height is #4 #, and the cap's radius is #3 #. What is the object's volume?
  
• #int sin theta sin2theta sin3theta# ?
  
• How do you find the derivative of #f(x)=-2x^-3+x^2-7#?
  
• Jenny bought five pencils and six pens for a total cost of 928$ Fred bought seven pencils and three pens for a total cost of 716$ what is the cost of each item?
  
• How do I us the Limit definition of derivative on #f(x)=cos(x)#?
  
• How do you find the absolute extrema of #f(x) = x^3 + x^2 - 4x - 4# on the closed interval #[-3, 0]#?
  
• How do you integrate #int tan^5(2x)sec^2(2x)#?
  
• What is the derivative of #( cos (x) ) / ( 2 + sin (x) )#?
  
• Calculus question? (See image)
  
• What is the equation of the line that is normal to the polar curve #f(theta)=2sin(3theta+pi/3) - 2thetacostheta # at #theta = pi/4#?
  
• What is the cross product of #<-3,0, 2># and #<-1, -4, 1>#?
  
• How do you solve #3x^2 + 11x – 20 = 0# using the quadratic formula?
  
• One canned juice drink is 25​% orange​ juice; another is 5​% orange juice. How many liters of each should be mixed together in order to get 20L that is 6​% orange​ juice?
  
• What is the Cartesian form of #(-4,(-21pi)/4))#?
  
• How do you name an angle between #0^circ# and #360^circ# that is coterminal with the angle #-210^circ#?
  
• How do you graph #y= |x+1|#?
  
• How do you integrate #int (e^x-1)/sqrt(e^(2x) -16)dx# using trigonometric substitution?
  
• What is the Cartesian form of #( -9 , ( - 15pi)/2 ) #?
  
• How do I simplify x cubed of a quarter when the value of x is 1/2?
  
• Four less than the quotient of a number x and 5?...
  
• How do you simplify # (24sqrt3) / 2#?
  
• How do you solve #x^3 + 27 = 0#?
  
• What is 64% as a fraction in simplest form?
  
• How do you simplify 5 times square root of 3 plus 4 times square root of 3?
  
• How do you solve the following system of equations? #3x +4y = 15, 3x + 2y = 12#
  
• How do you simplify #5sqrt5(3+sqrt5)#?
  
• The product of positive numbers is 48. The larger number is 13 more than the smaller. What are both numbers?
  
• How do you solve #144= -12(x+5)#?
  
• How do you factor #35g^2h - 15gh^2#?
  
• How do you find four consecutive integers whose sum in twice the cube of 5?
  
• What are the factors of 5 & 15?
  
• How do you factor #x^4-8x^2+16#?
  
• How do you combine #8( 3x + 8) - 7( 6- x )#?