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andreev551 [17]
3 years ago
7

Kim earns $30 for babysitting on Friday nights. She makes an average of $1.25 in tips per hour. Write the function of Kim's earn

ings, and solve for how much she would make after 3 hours.
y = 1.25x + 30; $33.75
y = 30x + 1.25; $43.75
y = 30x + 1.25; $91.25
y = 1.25x + 30; $31.25
Mathematics
1 answer:
krok68 [10]3 years ago
8 0
F(x) = 30 + 1.25x f(3) = 30 + 1.25(3) So it's A
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Given:

In triangle OPQ, o = 700 cm, p = 840 cm and q=620 cm.

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According to the Law of Cosines:

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Using Law of Cosines in triangle OPQ, we get

\cos P=\dfrac{o^2+q^2-p^2}{2oq}

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On further simplification, we get

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