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Eddi Din [679]
3 years ago
8

Given the geometric sequence where a1 = 3 and r = √2 find a9

Mathematics
1 answer:
Zigmanuir [339]3 years ago
8 0

Answer:

a_9=48

Step-by-step explanation:

we are given

sequence is geometric

so, we can use nth term formula

a_n=a_1(r)^{n-1}

we have

a_1=3

r=\sqrt{2}

we have to find a9

so, we can plug n=9

we get

a_9=3(\sqrt{2})^{9-1}

a_9=2^4\cdot \:3

a_9=48

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3 years ago
In a room, there are 450 students of which 20% are girls. A group of students have mobile phones with them, of which 40% are gir
andrew-mc [135]

Answer:

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Step-by-step explanation:

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Read 2 more answers
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Answer:

0.1536

Step-by-step explanation:

The computation of probability that the building failure will occur over its life is shown below:-

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3 years ago
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