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guapka [62]
3 years ago
12

Find the geometric mean of 7 and 9.Please select the best answer from the choices provided.

Mathematics
1 answer:
Dafna1 [17]3 years ago
8 0
Is it talking about multiplying because then it should be 63 
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A man starts at a point A and walks 18 feet north. He then turns and walks due east at 18 feet per second. If a searchlight plac
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Answer:

1/10 per sec

Step-by-step explanation:

When he's walked x feet in the eastward direction, the angle Θ that the search light makes has tangent

tanΘ = x/18

Taking the derivative with respect to time

sec²Θ dΘ/dt = 1/18 dx/dt.

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After 3seconds,

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18ft/sec =distance/3secs

x = 18 ft/sec (3 sec)

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3 years ago
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Salsk061 [2.6K]

Answer: 0.0005 milometers

4 0
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Write an integer addition expression that equals -6 and ...
ArbitrLikvidat [17]

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Step-by-step explanation:

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