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4vir4ik [10]
3 years ago
8

Fa(1) = -13 a(n) = a(n-1)+4 Find the 2nd term in the sequence.

Mathematics
2 answers:
strojnjashka [21]3 years ago
5 0

Answer:

The 2nd term in the sequence is -9.

Step-by-step explanation:

We have that:

a(1) = -13

a(n) = a(n-1) + 4

Find the 2nd term in the sequence.

This is a(2). So

a(2) = a(2-1) + 4

a(2) = a(1) + 4

Since a(1) = -13.

a(2) = -13 + 4 = -9

The 2nd term in the sequence is -9.

soldier1979 [14.2K]3 years ago
3 0

Answer:

The 2nd term in the sequence is -9.

Step-by-step explanation:

fa(1) = -13

a(n) = a(n-1)+4

Find the 2nd term in the sequence.

The sequence is an Arithmetic sequence.

Here the 1st term = -13

An = A(n-1) + 4

Therefore, the common difference (d) = 4

2nd term = first term + common difference

2nd term = -13 + 4 = -9

The answer is -9.

THEREFORE, The 2nd term in the sequence is -9.

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Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per mi
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Answer:

Mean = 0, Standard deviation = 1

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 77.5 beats per minute

Standard Deviation, σ = 11.6 beats per minute

We are given that the distribution of pulse rates of women is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

Putting the values, we get,

z_{score} = \displaystyle\frac{x-77.5}{11.6}

After, the standardization, that is conversion of all pulse rates of women to z scores, the mean of the distribution is 0 and standard deviation is 1.

Mean = 0, Standard deviation = 1

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