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krek1111 [17]
3 years ago
6

After visiting the Titanic, Captain Brain and Mr. Pinky are taking the Alvin submarine back to the surface of the water. They st

art 1900 meters below the surface of the water, and ascend at 69 meters per hour. Note: under the water is a negative number. Write an equation to model this situation (use m m for meters and h h for hours).
Mathematics
2 answers:
kykrilka [37]3 years ago
8 0
M = 69h - 1900
Where m = meters from the surface and h = the hours
givi [52]3 years ago
7 0
1900 Divided by 69 = -27 
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<h3>Answer: 1</h3>

where x is nonzero

=======================================================

Explanation:

We'll use two rules here

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------------------------------

The portion [ x^(a-b) ]^(a+b) would turn into x^[ (a-b)(a+b) ] after using the first rule shown above. That turns into x^(a^2 - b^2) after using the difference of squares rule.

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After applying rule 1 to each of the three pieces, we will have 3 bases of x with the exponents of (a^2-b^2),  (b^2-c^2) and (c^2-a^2)

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