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stepladder [879]
3 years ago
14

Simplify : -2n - (9 - 10n) 9a + 10 ( 6a - 1)

Mathematics
2 answers:
kvasek [131]3 years ago
8 0
1) <span>-2n - (9 - 10n)

= -2n - 9 + 10n

= 8n - 9

2) </span><span>9a + 10 ( 6a - 1)

= 9a + 60a - 10

= 69a - 10

Hope this helps!</span>
Hatshy [7]3 years ago
7 0
-2n-9-10n
69a-10
Hope this helps
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Hilary's house has a value of £180 000 correct to 2 significant figures.
Gemiola [76]

The least and highest value of the house before being rounded are £184999 and £175000 respectively.

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£180,000 correct to 2 significant figures :

The greatest value of the house would be a sum in which the third significant figure is a value less than 5 and the succeeding values are highest

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The least value of house would be a sum in which the third significant value is 5 and the succeeding values are lowest.

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2.)

Let the price before the increase = p

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Therefore, the price of the house before the increase is p = £205,000

Learn more : brainly.com/question/25338987

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