Answers edited by Euan S.

• Back to user's profile
• How do you find the Limit of `(ln x)^(1/x)` as x approaches infinity?
  
• How do you find the center, vertices, foci and eccentricity of `9x^2+4y^2-36x+8y+31=0`?
  
• How do you determine the limit of `(x+4)/(x-4)` as x approaches 4+?
  
• How do you evaluate `sin^-1(sin((13pi)/10))`?
  
• How do you calculate ionization energy using Rydberg constant?
  
• What is the name of NaCl?
  
• For what non zero value of a does the definite integral `int_-a^ax^4-1dx` have a value equal to 0? Help!?
  
• How do you simplify `(1- sin^2 theta)/( csc^2 theta -1)`?
  
• How do you find the limit of `xtan(1/(x-1))` as x approaches infinity?
  
• Question #446dc
  
• What do these symbols mean?
  
• How do you find a quadratic function f(x) = ax² + bx + c given minimum value -4 when x=3; one zero is 6?
  
• A rectangular garden has a perimeter of 48 cm and an area of 140 sq. cm. What is the length of this garden?
  
• How do you find the antiderivative of `cos^4 (x) dx`?
  
• How do you solve `|5 - t| = 3`?
  
• How do you use synthetic division to divide `(x^5-13x^4-120x+80)/(x+3)`?
  
• An initial population of 175 quail increases at an annual rate of 22%. Write an exponential function to model the quail population. What will the approximate population be after 5 years?
  
• What is `int_1^e (lnx)/(2x) dx`?
  
• How do you use the binomial series to expand `sqrt(z^2-1)`?
  
• If a stone is dropped at an altitude of 174.9 m from a helicopter which is ascending with a velocity of 20.68 m/s, how long does the stone take to reach the ground?
  
• A projectile is fired in such a way that it's horizontal range is equal to three times it's maximum height. What is the angle of projection?
  
• Question #d5958
  
• What is the angle between `<5 , 5 , 3 >` and `< 4, 9 , 1 >`?
  
• How do you divide `(x^2+7x+15)/(x-5)`?
  
• Carbon-14 has a half-life of 5,730 years. How long will it take for 112.5 g of a 120.0 g sample to decay radioactively?
  
• Question #67a77
  
• How do you use the Binomial Theorem to expand `(d+3)^7`?