Answers edited by kimchiboy03

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• Question #239db
  
• How many grams of oxygen would be produced if 6.5g of potassium chlorate is decomposed into oxygen and potassium chlorate by heating? 2KCIO3- 3O2+2KCI
  
• Question #39cd6
  
• In triangle RPQ, RP = 8.7 cm PQ = 5.2 cm Angle PRQ = 32° (a) Assuming that angle PQR is an acute angle, calculate the area of triangle RPQ? Give your answer correct to 3 significant figures
  
• How do you evaluate #int [x / sqrt (2x-1)]dx# for [1, 5]?
  
• How do you find the derivative of #y=3(x^2+1)(2x^2-1)(2x+3)#?
  
• Francine is deciding which after-school clubs to join. She has time to participate in 3 out of 9. How many different ways can Francine choose which 3 clubs to join?
  
• How do you write answers in standard form for #x^2-3/4x+1/4=0#?
  
• How do you simplify #93/(21n) * (34n)/(51n)#?
  
• Question #02643
  
• Question #14342
  
• Question #f6085
  
• Consider a bag with marbles, 3 blue marbles, 2 red marbles, and 5 green marbles. two marbles are drawn in sequence. what is the probability of taking a blue marble, replacing it, and then taking another blue marble ?
  
• Why is galvanizing more effective form of rust protection than painting or oiling?