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2 years ago

15

Hansika paid $9.25 for 2.8 pounds of pretzels. About how much did she pay for a pound of pretzels? ( Round your answer to the ne

arest whole number )
$2.00
$3.00
$4.50
$5.00

2 answers:

Maurinko [17]2 years ago

5 0

Answer:

3.00

Step-by-step explanation:

Rounding down

solniwko [45]2 years ago

4 0

Answer:

$3.00

Step-by-step explanation:

shaminapodiepooo

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If

$y=\displaystyle\sum_{n=0}^\infty a_nx^n$

then

$y'=\displaystyle\sum_{n=1}^\infty na_nx^{n-1}=\sum_{n=0}^\infty(n+1)a_{n+1}x^n$

The ODE in terms of these series is

$\displaystyle\sum_{n=0}^\infty(n+1)a_{n+1}x^n+2\sum_{n=0}^\infty a_nx^n=0$

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We can solve the recurrence exactly by substitution:

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