Answers created by Hariharan Baskarraj

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• How do you divide rational numbers in fraction form?
  
• Toby bought a pair of jeans and a sweater. The pair of jeans costs $30 and the sweater costs $35. If the store is having a 25% off sale and Toby has a coupon for an additional 15% off how much did Toby spend in total for the jeans and sweater?
  
• How to balance this equation? h3po4+HCl=pcl+h2o
  
• Please could you explain how sin(x) + cos(x) = sqrt(2)sin(x+45)? I understand how you get sqrt(2) through sin(x)cos(45)+cos(x)sin(45). But I don’t. Understand how you end up with sin(x+45) or sin(x+π/4) depending on how you see it. Thanks a lot
  
• Ken made $14,500 in five months at his new job. How much can he expect to make in two years if his pay remains constant?
  
• How do you evaluate #f(7)# given #f(a)=3a#?
  
• How do i solve the following equation?
  
• What is the formula for latent heat energy?
  
• How do you evaluate 12(x - 20) = -48?
  
• How do you find the derivative of # y = cot5x + csc5x #?
  
• Solve #i^14 + i^15 + i^16 + i^17=# ?
  
• How many sigma and pi bonds are present in buta-1-3-di-ene ?
  
• If the burning of the fuel in a potato cannon performs 855 J of work on the potato and produces 1422 J of heat, what is #DeltaE# for the burning of the fuel?
  
• The amount of a chemical solution is measured to be 2 liters. What is the percent error of the measurement?
  
• A drum of kerosene oil is 3/4 full. When 15 litres of oil is drawn from it, it is 7/12 full.Find the total capacity of the drum ?
  
• Your family loves Uncle Bill ate 1/4 of the turkey, Cousin Chris ate 15% of the turkey. Cousin Timmy ate 0.3 of the turkey and little Dave ate 12% of the turkey. Who ate the most turkey?