Answers created by Jess

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• How do you differentiate #1/x^-0.4#?
  
• If #y# varies directly as #x# and #y=6#, when #x=2#, what is #y# when #x=3#?
  
• Question #3089d
  
• Question #25791
  
• The triangles are similar. What is the value of x? x =
  
• How do you simplify #8x + 2- 3x#?
  
• How do you graph #2x-y=9#?
  
• For what value of #y# is #3^3/3^y = 1/9#?
  
• When you lift a book from the ground to your desk, what kind of work do you do, negative or positive? by lifting the book, what do you change? Does the book gain or lose energy? What kind of energy?
  
• Does gravity have a long range?
  
• Is there anything in between the galaxies?
  
• Question #feb62
  
• Mrs. Jacobs dropped an object from 10 meters. She knows it did 50 joules of work. How much did it weigh?
  
• Question #7ea93
  
• Question #4282b
  
• Question #9e4a8
  
• Question #44302
  
• A horse trots at 24 per hour for 30 minutes. What is the distance traveled at kilometers?
  
• Question #af9fa
  
• What happens to electrons when an ionic bond forms?
  
• A #5# #kg# skateboard moves at #7# #m##/##s^2#. What is the force of the skateboard?
  
• Question #88dad
  
• How do you solve #-6.5b + 8.5+ 3b = 27.5#?
  
• How do you graph and label the vertex and axis of symmetry of #y=2(x+2)^2-4#?
  
• How do you simplify #\frac { \frac { u - 7} { 4u ^ { 4} } } { \frac { u ^ { 2} - 14u + 49} { u - 4} }#?
  
• What is the slope of a line that passes through points (-4, 2) and (6, 8)?
  
• What is the formula for momentum?
  
• If #f(x) = sqrt(x-10)# and #g(x) = -x#, what is #f+g# and its domain?
  
• How do you graph and identify the vertex and axis of symmetry for #5/2x(x-3)#?
  
• If 45% of A is 4 1/5 of B, then B is what percent of A?
  
• Question #93411
  
• Question #754c5
  
• Points A and B are at #(3 ,7 )# and #(4 ,2 )#, respectively. Point A is rotated counterclockwise about the origin by #pi # and dilated about point C by a factor of #5 #. If point A is now at point B, what are the coordinates of point C?
  
• How is stellar parallax defined?
  
• What is the vertex form of #y=-3x^2+4x -3#?
  
• Moxie wants to have $5000. money does she have to deposit in an account at 6% interest, compounded 3 times per year, in order to have $5000 at the end of 4 years?
  
• Why the distance between mars and Jupiter is changing?
  
• Question #39a5a
  
• Question #230b9
  
• Help please?
  
• What is the axis of symmetry and vertex for the graph # y = 2x^2 - 8x + 4#?
  
• What star Will emit more light a bright star or a fairly dim star?
  
• Question #cc3b6