Answers created by Max

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• Stan has 52 quarters and nickels. He has three times as many nickels as quarters. How much money does he have?
  
• How do you solve #-5+ 5n = 85#?
  
• How do you evaluate #\frac{-1}{4}\times \frac{8}{7}#?
  
• What is the equation of the normal line of #f(x)=5x^4+3x^3+x^2-2x-4# at #x=1#?
  
• How do you find the slope and intercept of #x+y=-2#?
  
• How do you simplify #(5^8)^3#?
  
• What effect does concentration have on the rate of a chemical reaction?
  
• Question #787a4
  
• How do you factor #9x³+6x²-3x#?
  
• How do you implicitly differentiate #4y^2= x^3y+y-x #?
  
• How does nuclear energy work?
  
• In order to open the clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the shell cracks. If a seagull flies to a height of 27 m, how long will the clam take to fall?
  
• What is the equation of the line that passes through #(-1,3)# and is perpendicular to the line that passes through the following points: #(6,-4),(5,2)#?
  
• How do you use the factor theorem to determine whether x+3 is a factor of #2x^3 + x^2 – 13x + 6#?
  
• How do you find the roots, real and imaginary, of #y= -2(x+1)^2+(-x-2)^2 # using the quadratic formula?
  
• How fast will an object with a mass of #8 kg# accelerate if a force of #44 N# is constantly applied to it?
  
• Given a set # {-3,2,-1,x} #, for what x would the mean of the set be -5?
  
• How do you differentiate #y = (3x - 5) / (3x^2 + 7)#?
  
• If a projectile is shot at an angle of #pi/6# and at a velocity of #15 m/s#, when will it reach its maximum height??
  
• Question #4bb9f
  
• A block weighing #6 kg# is on a plane with an incline of #(5pi)/6# and friction coefficient of #4/5#. How much force, if any, is necessary to keep the block from sliding down?
  
• What is the dot product of #<5,1,-7># and #<8,4,9>#?
  
• Two cards are randomly chosen from a standard deck of 52 playing cards without replacement. What is the probability both cards will be hearts?
  
• What holds the nucleus together?
  
• Question #a1ef7
  
• If a current of #4 A# passing through a circuit generates #48 W# of power, what is the resistance of the circuit?
  
• How do you find the equation of the circle, given the center and radius (0,0);4?
  
• How do you integrate #int (5x - 4 ) / (x^2 -4x) dx# using partial fractions?
  
• Question #a08d4
  
• What is #(pi)/6 # radians in degrees?
  
• How do you calculate the energy efficiency of a building?
  
• How do you simplify #3b + 8 + 2b#?
  
• How do you solve the following system?: # 7y=4- 2x , 2x – y = -4 #
  
• A triangle has sides A, B, and C. Sides A and B are of lengths #1# and #1#, respectively, and the angle between A and B is #(pi)/2 #. What is the length of side C?
  
• What is the inverse of the function #y = 2x + 5#?
  
• How do you differentiate #f(x) = arcsin(2x + 1)#?