2 years ago

It takes Cindy 3/4 of an hour to complete a puzzle. how many puzzles can Cindy finish in 3 hours ? answer this for 27 points

2 answers:

7 0

4 puzzles because if it takes 3/4 hour for one puzzle, keep adding it to it self, and you get 4 puzzles. The numbers 3/4 + 3/4 = 1 1/2 + 3/4 = 2 1/4 + 3/4 = 4

kipiarov [429]2 years ago

6 0

The 3 hour Cindy will finish 4 different puzzles

hope this helps

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Answer:

The cosine of 86º is approximately 0.06976.

Step-by-step explanation:

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$\cos 86^{\circ} \approx -\left(\frac{43}{90}\pi-\frac{\pi}{2}\right)+\frac{1}{6}\cdot \left(\frac{43}{90}\pi-\frac{\pi}{2}\right)^{3}$

$\cos 86^{\circ} \approx 0.06976$

The cosine of 86º is approximately 0.06976.

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2 years ago

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You buy a new laptop for $300. The sales tax is 6%. What is the total cost for the laptop including the sales tax?

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Answer: Total cost incurred on new laptop is $318.

Explanation:

Since we have given that

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total cost of laptop including the sales tax is given by

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so,

$\text{ Cost price including the sales tax }\\\\=300\times \frac{100+6}{100}\\\\=300\times \frac{106}{100}\\\\=\$318$

So, total cost incurred on new laptop is $318.

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2 years ago