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frozen [14]
3 years ago
13

Which formula can be used to describe the sequence below?

Mathematics
1 answer:
saul85 [17]3 years ago
5 0

An=A1+(n-1)d

A2=-8+(2-1)3

A2=-8+3=-5

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1kg costs £1.28. what is the cost of 250g
vivado [14]
First, convert 1 kg to g.

1 kg = 1000 g

So 1000 g = 1.28

Set up a proportion:

1000/1.28 = 250/x

Cross multiply:

1000x = 320

Divide 1000 to both sides:

x = 0.32

So 250g costs £0.32
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evablogger [386]

Answer:

5x=256x

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Step-by-step explanation:

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BARSIC [14]

Answer:

8

Step-by-step explanation:

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nataly862011 [7]

Answer:

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I think it would be y=(-9/5)x -1/9
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