3 years ago

How do addition facts help you subtract

Mathematics

1 answer:

BaLLatris [955]3 years ago

7 0

Subtraction is the opposite of addition. eg. 9+5=14 but 14-5=9

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devlian [24]

Answer:

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Step-by-step explanation:

$d = \sqrt{ {(2 - 1)}^{2} + {(3 - 7)}^{2} } \\ \\ = \sqrt{ {(1)}^{2} + {( - 4)}^{2} } \\ \\ = \sqrt{ 1 + 16 } \\ \\ d= \sqrt{17} \\$

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3 years ago

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What is the interquartile range of the sequence 5,5,8,8,13,14,16,16,19,22,23,27,31 ?

Romashka-Z-Leto [24]

Answer:

The Interquartile range is 10.

Step-by-step explanation:

First, we will need to find the mean, the mean of this sequence is 16, you will now need to find quartile 1 and quartile 3. Quartile 1 is 13, and quartile 3 is 23. Lastly, subtract Quartile 3 and Quartile 1 will be the answer.

So, 23-13=10

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Step-by-step explanation:

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The answer should be 8 i

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