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VikaD [51]
3 years ago
14

What is the 30th term of 3n-1

Mathematics
1 answer:
marishachu [46]3 years ago
7 0
<span>a_n = a_1 + (n-1)d
a_n = 4 + 3(n-1) = 3n + 1
So the 30th term is a_30 = 3*30 + 1 = 91</span>
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See image for question.​
kotegsom [21]

Answer:

<h3>#7</h3>

(a)

<u>Sample space:</u>

  • 1*1, 1*2, 1*3, 1*4,
  • 2*1, 2*2, 2*3, 2*4,
  • 3*1, 3*2, 3*3, 3*4,
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(b)

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<h3>#8</h3>

(a) <u>Sample space:</u>

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Total 8 outcomes

(b)

(i) 1T, 3T

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(ii) 1H, 4H

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(iii) 1H, 2H, 3H, 4H

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weeeeeb [17]

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Step-by-step explanation:

There are 48 marbles in the bag.

8 out of the 48 marbles are white, that's why the probability is 8/48 or 1/6.

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