Questions asked by Shunjin

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• How do you determine h?
  
• A man starts at point A, somewhere on cartesian coordinate system. He goes 4 units to the right and then he goes 6 units upwards. Finally he makes an angle of 45° with the x-axis downwards to the left over a distance of 2 units. How far away from A is he?
  
• How do you write this easier?
  
• A cilinder has a radius of 5 cm and on top of the cilinder there is a funnel of 25 cm radius. Every hour, 2 liters of water comes in the cilinder. How do you know how high the water is standing in the cilinder in 5 hours ?
  
• What is the length between PO, PQ, OQ have to be when the points form a equilateral triangle?
  
• What is the length between PO, PQ, OQ have to be when the points form a equilateral triangle?
  
• What is the length between PO, PQ, OQ have to be when the points form a equilateral triangle?
  
• Define the values of a and b so that you get a maximum in point (3/2,-4). Could you help me to find the answer?
  
• Define the values of a and b of f(x)= 1/(x^2+ax+b) so that you get a maximum in point (3/2,-4). Could you help me to find the answer?
  
• How do you write this easier ?
  
• How do you calculate this with Horner's method #(8x^3-20x^2+2x-2)/(2x-1)#?
  
• How do I find the amount of atoms in 1 Liter H20?
  
• How do I calculate this?
  
• How do you calculate this ? #intsin(x)cos(x)dx#
  
• How do I calculate the limit of x-√x? where x is nearing to infinity
  
• A car's begin speed is 70 km/h and it accelerates with 6000 km/#h^2# . How many seconds does it take to get from 70 km/h to 120 km/h and what distance did the car need ?
  
• Can you help me find the line through (-1,4) at a distance of 5 from point (6,3)?
  
• How do I find the points of the line x+7y-52=0 on a distance of 5 from point (6,3) ?
  
• How do i find the equation of line that is perpendicular on line 4x+y-1=0 and goes through the intersection from line 2x-5y+3=0 and x-3y-7=0 ?
  
• How do I find all the vectors of V when U=(-1,3,2) and W=(1,1,-1) and what geometric figure does the outcome of V from?
  
• How do I find the speed in meter per meter an second or in kilometer an hour?
  
• How do I write this without modulus sign?
  
• When do you put +k.pi and when +2pi.k?
  
• How do I calculate the distance of a point to an intersection of two planes ?
  
• How do I find the limit of this ?