Find the inner product of (4, 9, -3) . (-6, 7, 5) and state whether the vectors are perpendicular.

The answer would be 24, not perpendicular.

This is right, because I can verify that this is correct since I just did the practice :)  Hope I was able to help you.

Step-by-step explanation:

You are given (4, 9, -3) . (-6, 7, 5).

So you first would need to multiply.  You would get:

      (-6 * 4) + (7 * 9) + (5 * -3)

      -24 + 63 - 15

So when you add and subtract those numbers, you would get 24.  Since 24 does not equal to 0, these vectors will not be perpendicular.

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step-by-step explanation:

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.