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3. The sum of Alyssa's age and her sister's age is 48 years. Emma's age is 6 years less than twice her sister's age. What is Emma's age, and what is her sister's age?
Answers: 2
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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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Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?
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3. The sum of Alyssa's age and her sister's age is 48 years. Emma's age is 6 years less than
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