Answers edited by Soumalya Pramanik

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• In △MNP NP>MN , MP< MN , which statements are true? A. ∠M > ∠N > ∠P B. ∠N > ∠P > ∠M C. ∠M > ∠P > ∠N D.∠P > ∠N > ∠M
  
• ABCD is a parallelogram.its vertices B,C and D have the coordinates (-1,-3),(-2,1)and(1,1) respectively.E and F are the middle points of DC and AB respectively.find the equations of the lines AE and CF. IF the Diagonals are AC and BD.?
  
• What is #f(x) = int (2x-xe^x)(-xe^x+secx) dx# if #f(0 ) = 5 #?
  
• Finding exact area intergration?
  
• In an isosceles trapezoid ABCD, AB=CD=5. The top base = 8 and the bottom base = 14. What is the area of this trapezoid?
  
• Anyone have an idea about this chemistry problem?
  
• How would you solve this equation?
  
• If (3^n-3)+(3^2)=18, what is the value n?
  
• How do you solve #21n ^ { 2} + 5n - 6= 0#?
  
• The perimeter of a parallelogram is 48 inches. If the sides are cut in half, then what is the perimeter?
  
• How do you substitute to determine if the ordered pair (3, 2) is a solution of the system of equations y=-x+5 and x-2y=-4?
  
• What is the derivative of ( tanx+cotx)/(tanx-cotx)Answer is: #-2sec2x tan2x#. How to get this answer??Please help me
  
• How are polysaccharides (carbohydrates), fats, and proteins broken down?
  
• What does a 72 degree angle look like?
  
• What are some examples of Newton's third law?
  
• What is √18+√12÷√8-√48 in form of A+B√6?
  
• By considering the relationships between the sides of the right angled triangle (hypotonuese of 12 cm) explain why sin x can never be greater than 1?
  
• How do you solve #x^2 = 5x + 2# by completing the square?
  
• We have A(x) = x^2-6x+4 the question is factorise A(x) +5?
  
• How do you substitute to determine if the ordered pair (3, 2) is a solution of the system of equations y=-x+5 and x-2y=-4?
  
• How do you find the reciprocal of 12?
  
• How do you solve #3log2x=4#?
  
• How do you solve #sin(2x)cos(x)=sin(x)#?
  
• If the length of a #17 cm# spring increases to #61 cm# when a #4 kg# weight is hanging from it, what is the spring's constant?
  
• How do you use the product rule to differentiate #f(x)=(6x+5)(x^3-2)#?
  
• What does it mean when chemists say that a reactant is reduced?
  
• A parallelogram has one side at (-4, 1) and (-7, 2) and the other side is at (-3, 4) and (-6, 5). What are the lengths of the sides and the slopes of the sides?
  
• How do you solve #8y + 26= - 2( y + 2)#?
  
• Find The Derivative Of cot x/2 in point x=π ?
  
• Chemistry A/As Level question? HELP!
  
• How do you integrate #int x^2/sqrt(x^2+1)# by trigonometric substitution?
  
• Please solve q 5?
  
• If a(x+b)=bx-c, what is x?
  
• Prove the following statement. Let ABC be any right triangle, the right angle at point C. The altitude drawn from C to the hypotenuse splits the triangle into two right triangles that are similar to each other and to the original triangle?
  
• If #sqrt(1+y)+ysqrt(1+x)=0#, then #dy/dx=#?
  
• The rate of diffusion of a unknown gas and chlorine are in the ratio 6:5.veper density of chlorine is 36.find out the molecular weight of unknown gas?
  
• What is the ground-state electron configuration of a neutral atom of chloride?
  
• Prove that given a line and point not on that line, there exactly one line that passes through that point perpendicular through that line? You can do this mathematically or through construction (the ancient Greeks did)?
  
• How do you solve #abs(7 + 2x) = 9#?
  
• What is the oxidation no. Of Mn in MnCl2?
  
• What are hormones and Classification of hormones?
  
• The base of a triangular pyramid is a triangle with corners at #(2 ,7 )#, #(5 ,3 )#, and #(8 ,2 )#. If the pyramid has a height of #2 #, what is the pyramid's volume?
  
• What is #int_(0)^(1) 2(pi)x/(cosx)dx #?
  
• If # f''(t)=2+2t # and #f(0)=2# and #f(3)=2# then find #f(t)#?
  
• What is the equation of the line normal to #f(x)= x^3-e^x # at #x=2#?