3 years ago

The clerk at the checkout counter earned $350 in 25 hours.

Mathematics

1 answer:

REY [17]3 years ago

3 0

Answer: 14 a hour

Step-by-step explanation:

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X=2π/3

Marina86 [1]

Answer:

$cos{\frac{2\pi}{3}}=-\frac{1}{2}$ .

Reference angle is $\frac{\pi}{3}$

Step-by-step explanation:

Given the value of x. we have to find the correct value of cosx.

$x=\frac{2\pi}{3}$

Now, we have to find the exact value of $cos{\frac{2\pi}{3}}$

$cos{\frac{2\pi}{3}}=cos(\frac{\pi}{2}+\frac{\pi}{6})$

$=-sin(\frac{\pi}{6})$

$=-\frac{1}{2}$

Now, we have to find the reference angle of $x=\frac{2\pi}{3}$ .

Since the angle $x=\frac{2\pi}{3}$ lies in second quadrant, the reference angle formula is

Reference angle= $\pi-given angle$ .

= $\pi-\frac{2\pi}{3}=\frac{\pi}{3}$

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3 years ago

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Answer:

49 and 65

Step-by-step explanation:

when a price is marked up it is greater than the original

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A store manager wishes to reduce the price on her fresh ground coffee by mixing two grades. If she has 35 pounds of coffee which

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35 lbs, your welcome even though you probably don't need the answer anymore

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Step-by-step explanation:

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Find the next three term of arithmetic sequence -9,-1,7,15,..

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