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Mila [183]
3 years ago
13

Brianna bought a compact disk for $10. An instant rebate gave her a discount and she only had to pay $7.50 for the CD. What is t

he discount, as a percent, that the instant rebate gave her?
Mathematics
1 answer:
svetoff [14.1K]3 years ago
3 0

Answer:

25%

Step-by-step explanation:

The discount was $2.50.  Dividing $2.50 by $10, we get 0.25, or 25%

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The Lakeside Marina charges a $35 rental fee for a boat in addition to charging $15 per hour. What is the rate of change for thi
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Answer:

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Step-by-step explanation:

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Gre4nikov [31]

Answer:

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Step-by-step explanation:

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7 0
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castortr0y [4]
Once you remember the definition of a log, the answer to this question will literally fall out of your pencil.

First, ' Ln ' means 'natural log' ... logs to the base of ' e '.

Definition of the natural log of a number:
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So, in order to get  1/e² , you have to raise ' e ' to the  -2  power .

In math-speak:    Ln(1/e²) = <em><u>-2</u></em> .
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