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Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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Mathematics, 21.06.2019 18:00
Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.
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Mathematics, 21.06.2019 19:30
Factor the expression using the gcf. the expression 21m−49n factored using the gcf
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Simplify this expression 2sqrt5 (13+sqrt2)...
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