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monitta
3 years ago
6

What is the measure of angle A?

Mathematics
1 answer:
levacccp [35]3 years ago
4 0

Answer:

20

Step-by-step explanation:

You multiply the 80 and the 18 and then you add 82

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The 4th and 8th term of a G.P. are 24 and 8/27 respectively. find the 1st term and common ratio
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Answer:

see explanation

Step-by-step explanation:

The n th term of a geometric progression is

• a_{n} = a₁ r^{n-1}

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given a₄ = 24, then

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Given a₈ = \frac{8}{27}, then

a₁r^{7} = \frac{8}{27} → (2)

Divide (2) by (1)

r^{4} = \frac{\frac{8}{27} }{24} = \frac{1}{81}

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4 0
3 years ago
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Step-by-step explanation:

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