Questions asked by DaveedSaysHI

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• Is 9/9 equal to 1 of 0.(9)?
  
• What is 1 + 2 + 3 + ....... + 99 + 100 equal to? Also what is a quick method to solve this?
  
• How many digits of pi does everyone know? Write down all the digits too!
  
• In quadrilateral ABCD, AB and DC are parallel, AD and BC are parallel. Find the perimeter of triangle COD if point O is the intersection of diagonals and AC = 20, BD = 20, AB = 13. How do I solve this?
  
• X+y=90, x-y=32. What is x?
  
• In a rhombus ABCD, m∠A = 31°. Point O is a point of intersection of diagonals. Find the measures of the angles of triangle ΔBOC. ?
  
• Suppose ABCD is a rhombus such that the angle bisector of ∠ABD meets AD at point K. Prove that m∠AKB = 3m∠ABK. ?
  
• How many two-digit numbers are divisible by both 2 and 3?
  
• Two tourists left two towns simultaneously, the distance between which is 38 km, and met in 4 hours. What was the speed of each of the tourists, if the first one covered 2 km more than the second one before they met?
  
• What is x in #x^2018+1/x=x^2017+1# equal to?
  
• How do you simplify #-sqrt((9+y)^2)# if y<-10?
  
• The measure of one angle of an octagon is twice that of the other seven angles. What is the measure of each angle?
  
• What is "q" equal to in this equation? #(0.3)^(2.3q-32)=(10/3)^(q+23)#