Answers edited by Parabola

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• When a small plane flies with the wind, it can travel 800 miles in 5 hours. When the plane flies in the opposite direction, against the wind, it takes 8 hours to fly the same distance. What is the rate of the plane in still air and the rate of the wind?
  
• Question #03596
  
• What is the true value of #pi# ?
  
• How do you simplify #\frac { y ^ { 3} } { 14} \cdot \frac { 8} { 5y ^ { 3} }#?
  
• How do you graph #y=|x+4|-2#?
  
• Question #7356c
  
• How do you simplify #\frac { 13} { \root[ 7] { y ^ { 2} } }#?
  
• What is the axis of symmetry and vertex for the graph #y=x^2-4#?
  
• Question #a62bb
  
• How do you simplify #(4n ) ^ { - 9/ 7}#?
  
• How do you graph #y = 1/2x + 2# by plotting points?
  
• How do you evaluate #\frac { 18} { 8} \times \frac { 3} { 9}#?
  
• How do you solve #2/3+5/(y-4)=(y+6)/(3y-12)# and find any extraneous solutions?
  
• How do you find the LCM of #(x-1)(x+2)# and #(x-1)(x+3)#?
  
• Question #f2e0e
  
• How do you solve it ?
  
• Question #30654
  
• The vertices of triangle ABC are A(-2, 2), B(6, 2), and C(0, 8). What is its perimeter?
  
• How do you simplify #\frac { 9x ^ { 4} } { 35y ^ { 4} } \cdot \frac { 15x y } { 3x ^ { 4} y ^ { 2} }#?
  
• Question #2b63f
  
• How do you graph #y=2/(x-1)-2# using asymptotes, intercepts, end behavior?
  
• A triangle has two corners with angles of # ( pi ) / 3 # and # ( pi )/ 6 #. If one side of the triangle has a length of #12 #, what is the largest possible area of the triangle?
  
• If (k, 5) lies on the line with equation 3x-y =-8, what is the value of k?
  
• Question #6828f
  
• Plot the following?
  
• Question #a9f26
  
• Jack usually mows his lawn in 5 hours. Marilyn can mow the same yard in 3 hours. How much time would it take for them to mow the lawn​ together?
  
• Sara was helping her father assemble a slide for the local park. He decides to reinforce the slide with an extra support beam. How long should the extra support beam be? (Image included)
  
• Question #c17fd
  
• Question #03596
  
• Question #c3ce8
  
• What are the x-intercepts of #x²-y+2x=6 #?
  
• How do you find the axis of symmetry, vertex and x intercepts for #y=x^2-5x+6#?
  
• Powers (how #2^(2017/2)=sqrt2*2^1008# works)?
  
• Question #7c46f
  
• How do you solve #x^ { 2} - 11x + 19= - 5#?
  
• How do you solve #5/(y - 3) = (y + 7) /(2y - 6) + 1# and find any extraneous solutions?
  
• How do you solve #|x - 9| + 3< 15#?
  
• Question #9c6b3
  
• How do you factor #2x^2+x+3#?
  
• Question #bbcd5
  
• Question: n more than 10?
  
• Question #6978d
  
• Question #139ce
  
• How do you graph the inequality #x - 2y<=4#?
  
• Question #5062f
  
• Question #95d2b
  
• How do you find the center, vertices, foci and asymptotes of # x^2/7 - y^2/9=1#?
  
• What is the area of a rectangle with sides of #(3x +6)# and #2x-5#?
  
• How do you test for symmetry with respect to the line y=-x?
  
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