Answers created by Eric C.

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• Question #723ce
  
• Determine the energy of a photon whose frequency is 5.28 × 1017 Hz?
  
• How do you solve #5/(2x) = 25/4#?
  
• Question #b9d0a
  
• Question #90311
  
• Question #c16e1
  
• How do you simplify #(y ^ { 3} - 2y ^ { 2} - 3y + 4) - ( 2y ^ { 3} - y ^ { 2} + y - 3)#?
  
• What do the slope and intercept represent in a Mass vs 1/acceleration graph?
  
• Question #a819f
  
• Question #2fdbe
  
• How do you solve #20+25x=345#?
  
• How do you integrate #\int _ { 0} ^ { \pi } ( 8e ^ { x } + 6\sin ( x ) ) d x#?
  
• How do you solve #2( 2e - 8) + 5e = 29#?
  
• Question #21940
  
• How do you sketch #y = 3 sin 2 (x-1)#?
  
• How do you graph #y+1<4#?
  
• How do you simplify #sqrt(2x)*sqrt(15)#?
  
• A model train with a mass of #7 kg# is moving along a track at #15 (cm)/s#. If the curvature of the track changes from a radius of #24 cm# to #45 cm#, by how much must the centripetal force applied by the tracks change?
  
• How do you graph #y =-3/7x-1/7# using the slope and intercept?
  
• A model train, with a mass of #8 kg#, is moving on a circular track with a radius of #1 m#. If the train's rate of revolution changes from #5/3 Hz# to #1/4 Hz#, by how much will the centripetal force applied by the tracks change by?
  
• How do you solve #3/x=7/10#?
  
• How do you find the vertex and the intercepts for #y=-x^2+4x+12#?
  
• How do you find the domain of #f(x)=sqrt(4-x)#?
  
• How do you solve #(x-2)/2 <=3#?
  
• A model train with a mass of #2 kg# is moving along a track at #18 (cm)/s#. If the curvature of the track changes from a radius of #9 cm# to #12 cm#, by how much must the centripetal force applied by the tracks change?
  
• What is the mean of the numbers 21, 23, 76, 47, 55, 135, 45, 30, 17?
  
• What is the equation of the line that passes through (2, 1) and (5, -1)?
  
• A high school athlete runs #1.00 * 10^2# #m# in #12.20# #s#. What is the velocity in #m##/##s# and #km##/##h#?
  
• How do you solve #2x + 7> 17#?
  
• How do you solve #x^2 - 6x + 6 = 0# using the quadratic formula?
  
• How do you graph the line #y = 4x + 3#?
  
• How do you find the slope of the line that passes through #(52, 76)# and #(51, 78)#?