Answers created by Daksh S.

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• An object has a mass of `4 kg`. The object's kinetic energy uniformly changes from `16 KJ` to `96KJ` over `t in [0, 6 s]`. What is the average speed of the object?
  
• Simplify the expression `(sin(a)cos(b)+cos(a)sin(b))/(cos(a)cos(b)-sin(a)sin(b)) * (cos(a)cos(b)+sin(a)sin(b))/(sin(a)cos(b)-cos(a)sin(b))`?
  
• How do you calculate the mass of lead (II) nitrate, `Pb(NO_3)_2`, necessary to make 50.0 mL of a 0.100 M solution?
  
• Question #d96aa
  
• Question #cca9c
  
• Question #680fd
  
• How do you graph `h(x) = -1/4x+5`?
  
• Question #8f607
  
• What is the equation of a line that is perpendicular to the line represented by `2x-y = 7`?
  
• How do you evaluate `(7r + 3)/(5r^2 - 2r + 2)` as r approaches infinity?
  
• How do you differentiate `f(x)=e^(cossqrtx)` using the chain rule.?
  
• How do you convert 87.5% as a fraction and a decimal?
  
• What is the derivative of `cos(a^3+x^3)`?
  
• How do you solve `p^2+(p+7)^2=169`?
  
• How do you solve `(x - 2)/( x + 1) =( x + 1)/(x - 2)`?
  
• How do you solve `x^2 - 3x - 28 = 0` by completing the square?
  
• How do you find the domain of `sqrt{-x - 2}`?
  
• Which muscle extends from the corners of the mouth to the cheekbone; called the smiling muscle?
  
• How do you find the slope given `y = -2x + 7`?
  
• Question #c1e7f
  
• Question #9e9ef
  
• At a restaurant, you can choose from 2 appetizers, 4 main courses, and 3 desserts. How many different meals, each consisting of one appetizer, one main course, and one dessert, can be created?
  
• How do you solve `sin(x+pi) + cos(x+pi) = 0` from 0 to 2pi?
  
• How do you solve for `y` in the equation `3xy + 9y + 14`?
  
• What is `(-3x^2-11x + 13)-(18x^2 +19x-8)`?
  
• How do you solve the triangle when a=7, b=9, A=34?
  
• How many glands are in the human body?
  
• How do you simplify `sqrt(504)`?
  
• What is the length of the hypotenuse of a right triangle if the two other sides are of lengths 8 and 10?
  
• How do you simplify `6(g-h)-6(g-h)`?
  
• How do you find the slope of a line passing through points (5,1) and (2,7)?
  
• How do you find the roots, real and imaginary, of `y= x^2 + 8x -9- (-x-1)^2` using the quadratic formula?
  
• How do you solve the following system?: `x-5y=10, 2x+3y=11`
  
• How do you solve `7.5x – 3.2 = 12.5x`?
  
• What is the number 583,000 written correctly in scientific notation?
  
• How to simplify `(1.5times10^-3) divide (1.6times10^-6)` in scientific notation?
  
• How do you solve `4n^2 - 9n + 5 = 0`?
  
• What is the the vertex of `y=2x^2 + 8x + 5`?
  
• What is the slope of the line passing through the following points: #(7, -6), (-13, 4)?