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3 years ago

A family goes out to eat. The meal costs $44. The sales tax rate is 9%. They leave a 20% tip. How much did they spend?

Mathematics

1 answer:

REY [17]3 years ago

6 0

Answer:

$56.76

Step-by-step explanation:

$56.76 because 20% of 44 is 8.80 which is the tip and 9% of 44 is 3.96 which is the tax rate giving you an answer of $56.76. Hope this helps!

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Answer:

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Step-by-step explanation:

Given

$\sin(105^o)$

Required

Solve

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This gives:

$\sin(105^o) = \sin(60 + 45)$

So, we have:

$\sin(60 + 45) = \sin(60)\cos(45) + \sin(45)\cos(60)$

In radical forms, we have:

$\sin(60 + 45) = \frac{\sqrt 3}{2} * \frac{\sqrt 2}{2} + \frac{\sqrt 2}{2} * \frac{1}{2}$

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Take LCM

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Hence:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

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Step-by-step explanation:

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Step-by-step explanation:

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