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igor_vitrenko [27]
3 years ago
14

Help please! Write the series 7 + 9 + 11 + . . . + 21 in summation notation

Mathematics
1 answer:
Artist 52 [7]3 years ago
5 0
I hope you can open the attachment.
The expression is 2x + 5
starting at 1 and ending at 8
Download docx
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A pack of 6 batteries of the same type costs £2.79. By caculating the price, per battery, determine if this is better value. You
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Answer:

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Step-by-step explanation:

If a pack of 6 batteries costs £2.79, price of a battery can be calculated as shown;

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x = £2.79/6

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Price per battery will be £0.465. This price is a better value since the price is lesser than the cost of the 6batteries (£2.79) in a pack.

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Step-by-step explanation:

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