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3 years ago

14

noah was assigned to make 64 cookies for the bake sale he made 125% of that number 90% of the cookies he made were sold.how many

of noahs cookies were left after the bake sale

1 answer:

Mashcka [7]3 years ago

7 0

Answer: 8 where left after the sale

Step-by-step explanation:25% of 64 is 16, 64 plus 16 = 80, 90% of 80 is 72 so 80-72=8cookies were left.

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2 years ago

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2 years ago

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3 years ago

The population of a local species of dragonfly can be found using an infinite geometric series where a1=42 and the common ratio

san4es73 [151]

$\bf \textit{sum of an infinite geometric serie}\\\\
\stackrel{for~~|r|\ \textless \ 1}{S=\sum\limits_{i=0}^{\infty}~a_1r^i\implies \cfrac{a_1}{1-r}}\qquad 
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r=\textit{common ratio}\\
----------\\
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\end{cases}
\\\\\\
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bearing in mind that, the geometric sequence is "convergent" only when |r|<1, or namely "r" is a fraction between 0 and 1.

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3 years ago