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AleksandrR [38]
4 years ago
7

To three decimal places, find the value of the first positive x-intercept for the function f(x) = 2cos(x + 3).

Mathematics
1 answer:
Zinaida [17]4 years ago
8 0

Answer:

C

Step-by-step explanation:

I graphed the equation on my graphing calculator, and the answer came out to be 1.712

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I solved it myself and my result is (n+1)/n. Why is that 1/2 there? An explanation would be great if possible. Thanks!
katovenus [111]

Answer:

The product of (k + 1) series starts with 3 (because k = 2) and you need 2 to be multiplied to this in order to get (n + 1)!

Therefore you need to multiply 2 and 1/2 to make it right. 2 completes the factorial and 1/2 remains.

Hope it was clear explanation.

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3 years ago
Probability of uncertain event
zubka84 [21]

Answer:

50-50

Step-by-step explanation:

its the universal law

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Evan measured the length of a set of nails. The mean of lengths was 3 cm. The absolute mean deviation was 1 cm. Which could be E
Airida [17]

Answer:

B) 2 cm, 2 cm, 3 cm, 5 cm

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Step-by-step explanation:

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3 years ago
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Alex73 [517]

Answer:

20%

Step-by-step explanation:

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3 years ago
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Help please..............
Aleonysh [2.5K]

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Basically ur wrong

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