Answers created by harsh s.

• Back to user's profile
• How do you express #f(theta)=-2sin^2(theta)-9sec^2(theta)-tan^4theta# in terms of non-exponential trigonometric functions?
  
• How do you find the values of the other five trigonometric functions of the acute angle A with #tanA=5/9#?
  
• How do you find #(dy)/(dx)# given #y^2=sin(x-1)#?
  
• When is #sin(x)=\frac{24cos(x)-\sqrt{576cos^2(x)+448}}{14}#?
  
• How do you evaluate #\frac { 16} { 2^ { 2} } \div \frac { 7\cdot 3} { 7}#?
  
• How do you evaluate #\frac { 2( - 2) } { 3}#?
  
• What is #2^(4/3)# equal to?
  
• By applying the rules for natural logarithms, how could 2ln|x| be expressed so that the absolute value symbol is not required? Help?!
  
• How do you solve #x^2 - 6x - 12=0#?
  
• How do you find the derivative of #g(x)=1/sqrtx#?
  
• A projectile is shot at an angle of #(5pi)/12 # and a velocity of # 72 m/s#. How far away will the projectile land?
  
• An #8 L# container holds #6 # mol and #6 # mol of gasses A and B, respectively. Every two molecules of gas B bind to one molecule of gas A and the reaction raises the temperature from #320K# to #450 K#. How much does the pressure change by?
  
• Question #6de44
  
• How do you find the roots, real and imaginary, of #y= -7x^2 -15x +(x-3)^2 # using the quadratic formula?
  
• How do you add #\frac { 5} { 6u x ^ { 2} } + \frac { 3} { 2u ^ { 2} x }?#
  
• The work done against gravity in moving a box with a mass of 5 kilograms through a height of 3 meters is approximately ......... ?
  
• Question #46aba
  
• Question #adc89
  
• How do you solve this system of equations: #y= \frac { 1} { 2} x - 2;- x + 2y = - 4#?
  
• How do you multiply #2v ^ { 9} x ^ { 9} \cdot 3x ^ { - 10} y ^ { - 9} \cdot 3y v ^ { 4}#?
  
• How do you solve the system of equations #4x + 3y = 13# and #6x + 2y = 17#?
  
• How do you solve #26= 4x + 6( 2x - 17)#?
  
• Using Hess's law, determine the enthalpy change for the overall reaction?
  
• A charge of #7 C# is at the origin. How much energy would be applied to or released from a # 5 C# charge if it is moved from # (6, -1 ) # to #(-9 ,-2 ) #?
  
• A particle A, having a charge of 5.0*10^-7C is fixed in a vertical wall. A second particle B of mass 100 g and having equal charge is suspended by a silk thread of length 30 cm from the wall. The point of suspension is 30 cm above the particle A---?
  
• Question #4a948
  
• A projectile is shot at an angle of #pi/8 # and a velocity of # 10 m/s#. How far away will the projectile land?
  
• How do you solve #2^(x−4)+10=22#?
  
• What is the value of #root5 -1#?
  
• How do you find the magnitude and direction angle of the vector #v=-5i+4j#?
  
• What is the wavelength, in nm, of a photon emitted during a transition from the n = 5 state to the n = 2 state in the hydrogen atom ?
  
• How do you differentiate #f(x)= (1 - sin^2x)/(cosx-1) # using the quotient rule?
  
• Is there such a thing as #"1,4-butadiene"#?
  
• Question #e8b67
  
• How do you find the zeros, real and imaginary, of #y=-6x^2-12x+9# using the quadratic formula?
  
• How do you determine the mass of potassium in 33.5 g of KCl?
  
• A box with an initial speed of #8 m/s# is moving up a ramp. The ramp has a kinetic friction coefficient of #2/3 # and an incline of #pi /6 #. How far along the ramp will the box go?
  
• An apple with a mass of 0.49 kg falls 4 meters from the top of a tree and hits the ground 2 seconds later. What is the force of air resistance on the apple?
  
• How do you simplify #e^(-2ln5)#?
  
• How do you differentiate #f(x)= (1-3x^2)^4* (1-x+7x^2)^4 # using the product rule?