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son4ous [18]
2 years ago
7

A necklace chain costs $15. Beads cost $2.75 each. You spend a total of $28.75 on a necklace and beads before tax. Type an equat

ion that models this situation (use x as the variable).
Mathematics
1 answer:
Art [367]2 years ago
7 0

Answer:

$46.5

Step-by-step explanation:

hope this helps you a little

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Find a polynomial function of degree 3 such that f(10)=17 and the zeros of f are 0, 5 and 8
fomenos

Step-by-step explanation:

Since f(0) = f(5) = f(8) = 0, we have f(x) = Ax(x - 5)(x - 8), where A is a real constant.

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=> A(10)(10 - 5)(10 - 8) = 17

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