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cupoosta [38]
3 years ago
9

Quadruple of a number is decreased by twenty gives four.answer it pls pls​

Mathematics
1 answer:
faust18 [17]3 years ago
4 0

Answer:

4x - 20 = 4

Step-by-step explanation:

Let the missing number be x

Quadruple means 4 times

So According to the question,

4x - 20 = 4 is your answer

Hope this helps

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Answer:

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Step-by-step explanation:

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Hope it helps

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Enter a recursive rule for the geometric sequence. 6, −18, 54, −162, ...
svlad2 [7]

Answer:

The required recursive formula is:

a_n=(-3)\times a_{n-1}

Step-by-step explanation:

We are given a geometric sequence as:

6,-18,54,-162,.....

Clearly after looking at different terms of the sequence we could observe that the sequence is an geometric progression (G.P.) with common ratio= -3 denoted by r.

Let a_n represents the nth term of the sequence.

This means that:

a_1=6, a_2=-18, a_3=54, a_4=-162,......

As the common ratio is -3.

so,

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Hence, the required recursive formula for the geometric sequence is:

a_n=(-3)\times a_{n-1}

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How do I find this answer ?
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