I really need help with this please hurry
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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.
Answers: 2
Mathematics, 21.06.2019 18:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
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Mathematics, 21.06.2019 19:30
Which of the following describes the symmetry of the graph of y = x3?
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Mathematics, 21.06.2019 20:00
If the discriminant if a quadratic equation is 4 which statement describes the roots?
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