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Jhomny reality series project

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Math Studies Sequ

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Jhomny reality series project

  1. 1. Jhomny yang yupi
  2. 2. <ul><li>If a crowd of people decided to make a human pyramid, with one person on the top row, two on the second, three on the third, etc, and there are 149 rows, how many people participated? </li></ul>
  3. 4. <ul><li>1 un = u1 + (n-1) d </li></ul><ul><li>un = 1 + (149 -1 ) 1 </li></ul><ul><li>un = 1 + (148) (1) </li></ul><ul><li>un = 149 </li></ul><ul><li>2 Sn= n/2( 2u1 + ( n – 1) d) </li></ul><ul><li>Sn= 149 / 2 ( 2 ( 1 )+ (149-1 ) 1)= </li></ul><ul><li>Sn = 71 ( 2 + (148) = </li></ul><ul><li>Sn= 20164 </li></ul>
  4. 5. <ul><li>Suppose that you invest $ 1500 in the bank for 4 years, but this time i have to pay a compound interest rate of 12%. The interest is added to the investment each year and now i have to paid interest . </li></ul><ul><li>How is gonna be my money in 4 years? </li></ul>
  5. 7. <ul><li>1500 $ inicial </li></ul><ul><li>U1 = 1500x (.12) amount after 1 year (180$) </li></ul><ul><li>U2= 1500x(.12)2 after 2 years (360$) </li></ul><ul><li>U3 =1500x (.12)3 after 3 years (540$) </li></ul><ul><li>U4 = 1500x (.12)4 after 4 years (720$) </li></ul><ul><li>Un+ 1 = Un x (.12)n = amount after n years </li></ul><ul><li>d= 180 </li></ul>
  6. 8. <ul><li>Yahoo anwers and the text book pag 443. </li></ul><ul><li>Google </li></ul>

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