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Nat2105 [25]
3 years ago
14

6. The price of a pack of toilet rolls was increased by 20%.

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0
Ok thanks for the points
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Jenny was in charge of selling tickets to a family fun night at her school
ra1l [238]
I’ve attached my work below for #4
5) 8% is equivalent to 8 cents so each item was $1.08
Than you know he spent 16.20 so you divided
1.08/16.20 which equals 15
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Hope this helps!
Have a nice day :)

4 0
3 years ago
Determine the value of a so that A = 2i+aj+k and B = 4i-2j-2k are perpendicular​
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In order to make them perpendicular, their dot product must result in zero. so:

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7 0
3 years ago
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Answer:

u can find the answer in calculate

8 0
3 years ago
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Anuta_ua [19.1K]
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3 years ago
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Can someone help me with this
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