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onedirection123

  • 2 years ago

2. Every day you collect 4 pennies and keep them in a jar. So the first day you have 4 pennies, the second day you have 8 pennies, the third day you have 12 pennies, etc. How many do you have on the 15th day? (1 point) 75 19 15 60

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  1. jim_thompson5910
    • 2 years ago
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    plug in n = 15 into a(n) = 4 + 4(n-1) to get your answer

  2. DHASHNI
    • 2 years ago
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    4+ 4(14) =15(4)= 60

  3. onedirection123
    • 2 years ago
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    4. To which set of numbers does the number belong? (1 point) square root 51 rational numbers irrational numbers integers natural numbers

  4. onedirection123
    • 2 years ago
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    can someone help me

  5. jim_thompson5910
    • 2 years ago
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    is 51 a perfect square?

  6. onedirection123
    • 2 years ago
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    yes

  7. jim_thompson5910
    • 2 years ago
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    it is? so there's some integer that you can square to get 51?

  8. jim_thompson5910
    • 2 years ago
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    ex: 100 is a perfect square since 10^2 = 100

  9. jim_thompson5910
    • 2 years ago
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    4 is a perfect square because 2^2 = 2*2 = 4

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