Answers created by Soumalya Pramanik

• Back to user's profile
• Next
• If a(x+b)=bx-c, what is x?
  
• Why aluminium tools are not affected by air and water?
  
• Find The Derivative of Sinx° (degree) By Using The First Principal ?
  
• Find The Derivative Of cot x/2 in point x=π ?
  
• How do you convert -120 degrees to radians?
  
• How do you find the exact value of #csc(u-v)# given that #sinu=5/13# and #cosv=-3/5#?
  
• The vertical cliff is 36 meters high. the angle of depression of an object which aligned with the base of the cliff is 28 degrees. find the distance of the object from the base of the cliff???
  
• What is the slope-intercept form of the line passing through # (0, 6) # and # (3,0) #?
  
• How do you find the antiderivative of #x^2 e^(2x)#?
  
• How do you solve #x^2 - 10x = -24#?
  
• A train, #200# metres in length, is travelling at a speed of #40# #(km)/h#. How long the train will take to cross a person standing beside the railway line?
  
• How do you solve the system of equations #\frac { 18} { n } = \frac { 54} { n + 40}#?
  
• What is the antiderivative of # x*(sinx)^2#?
  
• How do you simplify #cos^-1 (-1/2) #?
  
• Find the derivative of x^tanx+(sinx)^cosx w.r.t. x?
  
• How do you simplify #((r+s)/(x^2-y^2))/((r+s)^2/(x-y))#?
  
• 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.?
  
• The perimeter of a college basketball court is 78 meters and the length is twice as long as the width. What are the length and​ width?
  
• How do I match these protein terms?
  
• Define and explain thyroid hormone? Draw diagram?
  
• BCDE is a square with side lengths of 10cm , The other faces of the pyramids are equilateral triangles with side lengths of 10cm. a) calculate the volume of the pyramid? (3 s.f) (Apex= A , front triangles areB&C, back are E&D)
  
• 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?
  
• If two lines, L1 and L2, which lie in the same plane, are both perpendicular to a third line L3, in the same plane as the first two, what do we know about L1 and L2?
  
• How do you solve #sin(2x)cos(x)=sin(x)#?
  
• How to integrate #int(e^2x+e^-2x)/(e^2x-e^-2x)dx?
  
• What is #int "arccot"x dx#?
  
• 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?
  
• 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 I simplify this expression?
  
• How do you solve #-150- u > - 77#?
  
• What is #(-9x^3+6x^2-8x-5)-(-10x^3 + 12x^2+4x+10)#?
  
• How do you solve #abs(7 + 2x) = 9#?
  
• An equation of line parallel to y=-3x–4?
  
• What is #f(x) = int 3x-3secx dx# if #f((7pi)/4) = 0 #?
  
• What is the difference between adiabatic process and isothermal process?
  
• Which coefficients balance this equation? #CaCl_2+NaOH -> Ca(OH)_2+NaCl#
  
• The specific heat of nickel is 0.44 J/g°C. How much energy needed to change the temperature of 95.4g of nickel from 32°C to 22°C. Is the energy absorbed or released?
  
• Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the #""^14C# has decayed to 1/32.0 of the original amount. How long ago was this plant alive?
  
• How do you calculate the percent composition by mass of each element in #Al(OH_)3#?
  
• #int_x^2e^(3x)dx# solve?
  
• The relative the rate of diffusion of two gases A and B are found to be 0.3 and 0.2 respectively.if the density of A is 4 then find out the density of B?
  
• 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?
  
• How do you differentiate #f(x)=e^x*sin3x# using the product rule?
  
• How do you use the product rule to differentiate #f(x)=(6x+5)(x^3-2)#?
  
• What is the equation of the line normal to # f(x)=1/(x^2-2) # at # x=1#?
  
• If #sqrt(1+y)+ysqrt(1+x)=0#, then #dy/dx=#?
  
• How do you solve #4sqrtx=sqrt( 9x+9)#?
  
• How would you solve this equation?
  
• How would you solve this equation? #cos^2Beta +cos Beta-2=0#
  
• Finding exact area intergration?
  
• What is #int_(0)^(1) 2(pi)x/(cosx)dx #?
  
• What is #f(x) = int (2x-xe^x)(-xe^x+secx) dx# if #f(0 ) = 5 #?
  
• How do you solve #4x^2 +4x = 15# using the quadratic formula?
  
• How do you factor #8x^2 - 16x + 6 = 0#?
  
• Define solid liquid and gas with reference to their volume and shape?
  
• Anyone have an idea about this chemistry problem?
  
• Chemistry A/As Level question? HELP!
  
• How do you solve #\frac { 7b - 4} { b } = \frac { 9} { 7}#?
  
• 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?
  
• What is the equation of the line normal to #f(x)= x^3-e^x # at #x=2#?
  
• Could someone help me evaluate this limit?
  
• How do you solve #h^2=-3h+54#?
  
• How do you solve #(x+5)^(1/2) - (5-2x)^(1/4) = 0# and find any extraneous solutions?
  
• How do you find the reciprocal of 12?
  
• The sum if 2 consecutive integers is 679?. find the integers.
  
• The perimeter of a parallelogram is 48 inches. If the sides are cut in half, then what is the perimeter?
  
• How do you factor #t^2 + 16t + 60#?
  
• What is the derivative of ( tanx+cotx)/(tanx-cotx)Answer is: #-2sec2x tan2x#. How to get this answer??Please help me
  
• What is the slope intercept form of the line passing through #(2,3) # with a slope of #-3/2 #?
  
• What is #((8m^5n^7)/(2mn^5))^3#?
  
• 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?
  
• 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?
  
• How do you solve #5x ^ { 2} - 9x < - 4#?
  
• In physics, how is energy related to wavelength and frequency?
  
• The sum of first 8 term of an AP is 100 and sum of first 19 terms is 551. Find the AP..?
  
• Electric current is sometimes incorrectly defined as simply a flow of electrons. What is wrong with this definition?
  
• What does it mean when chemists say that a reactant is reduced?
  
• How do you solve the simultaneous equations #2x - 3y=11# and # 5x+2y=18#?
  
• Please solve q 5?
  
• Write a function rule for the total bill What would be the bill for a 7 day rental?
  
• How do you rationalize the denominator and simplify #( 3sqrt6 + 5sqrt2)/(4sqrt6 - 3sqrt2)#?
  
• How do you simplify #(x-2)/(5x(x-1)) + 1/(x-1) - (3x+2)/(x^2+4x-5)#?
  
• When a piece of paper burns, smoke and ash are produced whats the reaction?
  
• How do I this equation is not an identity? Write explanation in paragraph form (Siny+Cosy)²=Sin²y+Cos²y
  
• How do you find the product of #(x + 5)^2#?
  
• A cyclist is travelling with speed 18m per second. The cyclist stops pedaling and comes to rest without breaking due to resistance forces totalling 120 Newton. Describe one limitation in this model?
  
• The work done during a isochoric process is?
  
• Which state of matter is water in the air? A) gas C)liquid B) solid D) none of the above
  
• Is #c= e/-4 # a direct variation, inverse variation, or neither?
  
• What does exothermic mean?
  
• How do you simplify and write #x^-6/(4y^5)# with positive exponents?
  
• Niles wants to put chicken wire around an enclosure for his dog, nip. He decides that he wants the length to be 5cm more than the width. if he has 22m of wire, what are the dimensions of the enclosure?
  
• The boiling point of alcohol is 78°C, what is the temperature of on kelvin scale ?
  
• How do you simplify #3/(x-3) - 1/x#?
  
• If √2 sin x - 1 = 0 find the value of 0 < x < π (?)
  
• Are meiosis and mitosis similar?
  
• Please solve this ratio question?
  
• When catching cricket ball, we pull our hands back. why?
  
• How do you differentiate #g(x) = (3x-2)(2x^2-4)# using the product rule?
  
• How do you solve #3(x-1)=x#?
  
• Next