HELP PLEASE

Mathematics

2 answers:

Reika [66]3 years ago

6 0

Answer:

purse A because it's cheaper though it has less days it's still cheaper

svp [43]3 years ago

3 0

Answer:

Purse A would be the best option.

Step-by-step explanation:

Purse A is the best option because if the genie were to choose a low day you would have more money and even if it is a high day its better to play it safe.

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frozen [14]

Answer:

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4 0

3 years ago

Solve the initial value problem. dy/dt = 1 + 6/t , t > 0, y = 8 when t = 1

nordsb [41]

$\displaystyle\frac{dy}{dt} = 1 + \frac{6}{t}\ \Rightarrow\ dy = \left( 1 + \frac{6}{t}\right) dt\ \Rightarrow\int 1\, dy = \int \left( 1 + \frac{6}{t}\right) dt \ \Rightarrow \\ \\
y = t + 6\ln|t| + C. \text{ But $t\ \textgreater \ 0$ so }y = t + 6\ln t + C. \\ \\ 
y(1) = 8\ \Rightarrow\ 8 = 1 + 6 \ln 1 + C \ \Rightarrow\ C = 7 \text{ so } \\ \\
y(t) = t + 6\ln t + 7$