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Contact [7]
3 years ago
15

Hannah is filling a 15 gallon cooler with water. The cooler is filling at a rate of 2.5 gallons every 90 seconds. At this rate,

how many seconds will is take to fill the entire cooler
Mathematics
1 answer:
soldi70 [24.7K]3 years ago
4 0
Umm I got 127.5 seconds I’m not sure if it’s right but that’s what I got
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\bf \begin{array}{lllll}&#10;&x_1&y_1&x_2&y_2\\&#10;%   (a,b)&#10;A&({{ a}}\quad ,&{{ 3}})\quad &#10;%   (c,d)&#10;B&({{ 2}}\quad ,&{{ -3}})&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope = {{ m}}= \cfrac{rise}{run} \implies &#10;\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{-3-3}{2-a}=\boxed{-2}&#10;\\\\\\&#10;\cfrac{-6}{2-a}=-2\implies -6=-4+2a\implies -2=2a\implies \cfrac{-2}{2}=a&#10;\\\\\\&#10;-1=a
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Please answer this ASAP <br> Add these mixed numbers please <br> -2 ½ + 6 ⅓ =
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Step-by-step explanation:

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