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-Dominant- [34]
2 years ago
11

Anybody have the answer?

Mathematics
1 answer:
mars1129 [50]2 years ago
7 0
Hello!

Here we have sin=opp/hyp so the sin of 45deg= 7/b so we have

Sqrt(2)/2 = 7/b so b= 7/sqrt(2)/2= 14/sqrt(2)= 14*sqrt(2)/2= 7*sqrt(2) so the final simplified answer for the value of b= 7*sqrt(2)

Any questions please ask. Thank you kindly.

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Which of the following sets of data will have the smallest Standard Deviation?
uranmaximum [27]

Answer: D

Step-by-step explanation:

Standard Deviation σ2 =

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= 6.81

σ = √6.81

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B) σ2 =

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=(3 - 61.7)2 + ... + (99 - 61.7)2/10

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C) (1 - 11.4)2 + ... + (1 - 11.4)2/10

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D) (79 - 79)2 + ... + (79 - 79)2/10

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I hope this helps, mark as Brainliest please.

6 0
3 years ago
Find the area of the polygon.
zalisa [80]

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Step-by-step explanation:

we know that

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substitute

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A=64+64=128\ cm^2

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sweet-ann [11.9K]

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Hope this helps !

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6 0
3 years ago
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