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olchik [2.2K]
3 years ago
5

Why is 9 a square number:

Mathematics
1 answer:
Nataly_w [17]3 years ago
4 0
Square number actually means the product can be multiplied by the same number, for example
2 = 1x1
4 = 2x2
9= 3 x 3
so 9 can be square rooted so it's a square number
also 4x4 is 16 not 8 and 8x8 is 64 not 16 :)
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Answer:

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Step-by-step explanation:

All that apply in the statements are as follows:

(a) The bottle was ½ full at 11:35 a.m. and doubled again after five minutes, which indicates that the bottle doubled at 11:40 am

(b) The bottle was ¼ full at 11:30 a.m. and doubled twice after 10 minutes. These means that the bottle was ½ full at 11:35 a.m. (i.e. five minutes ago the bottle was at ¼ full at 11:30 am, after five minutes, the which is was ½ full at 11:35 am but later became full at 11:40 am)

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Given:

The parallel sides of a trapezium are 28.7 cm and 22.3 cm.

The distance between parallel sides is 16 cm.

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