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trapecia [35]
3 years ago
14

If i^2 = -1. , what does i^71 equal?

Mathematics
1 answer:
Bezzdna [24]3 years ago
7 0

Answer:

i^2 = -1.

i^71=(i^70)i=(i²)^35×i=(-1)^35×i=-1×i=-i

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3 years ago
Priya says these polygons are similar because their side lengths are the same. Clare says "these explain polygons are not simila
taurus [48]

Answer:

Clare is correct

Step-by-step explanation:

For two shapes to be congruent, the shape and size have to be the same. In other words they ate have to equal length in size and also equal angles(same shape hence equal angles). Therefore Clare is correct since only have equal length in sides does not qualify the polygon to be congruent or similar like Priya claims

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3 years ago
The price of a stock decreased by 60 cents one week, decreased 10 cents the next week, and decreased another 20 cents the follow
mel-nik [20]

Hi there! Hopefully this helps!

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

It <u>decreased by 30 cents</u> per week.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The average <em>rate of change</em> is calculated as:

the <u>ratio of the sum of the change</u> in the three weeks <u>divided by</u> <u>the number of weeks. (</u>The <em>number of weeks</em> being <u>3</u>)

 <em>Rate of change</em> = \frac{-60 -10 -20}{3}.

(-60 + -10 + -20 = -90). So, to <em>simplify</em> it:

\frac{-90}{3} = <u><em>-30</em></u>

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Incase you are confused:

Since the average <u>rate of change</u> is <em>negative</em>, this means that the <u>stock price</u> has <em>decreased</em>.

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3 years ago
A drawer is filled with 26 white socks. Justin randomly picks a sock from the drawer. What is the likelihood that the sock will
inna [77]
Not likely at all....in fact, 100% not likely, being that the drawer is only filled with 26 white socks
3 0
3 years ago
Read 2 more answers
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