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Cloud [144]
3 years ago
11

THIS IS DUE TOMORROW ON FRIDAY!PLEASE HELP!!

Mathematics
1 answer:
geniusboy [140]3 years ago
3 0
There is the table you just add 12+20the answer add 20 till you are done

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Which expression is equivalent to 56 + 21?
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If the last one is supposed to be 7(8+3), it would be equivalent to 56+21
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Please help me with these.
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18. The perimeter is simply √3 + √3 + √3 + √3 or 4√3cm, since the perimeter is just all sides added together. You could add the decimal numbers together using a calculator, which I'm not sure if you're supposed to do in your class.

The area is just width times length, so √3 • √3 = 3cm².

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This can also be written as 2√5 + 18 - 2√5, which leaves you with a perimeter of 18ft.

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