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Vanyuwa [196]
3 years ago
10

An item on sale costs

Mathematics
2 answers:
Gelneren [198K]3 years ago
5 0
$18
...........................
9966 [12]3 years ago
3 0
The sale price would be 18 dollars. Hope this helps you! 
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Find the exact value of cos(arcsin(1/4)). For full credit, explain your reasoning.
Westkost [7]
First way
arcsin(1/4) means that 1/4 sin of the angle.

sin(α)=1/4
sin²α+cos²α=1
(1/4)²+cos²α=1
cos²α=1-1/16 =15/16
cosα=+/-(√15)/4

<span>Second way
</span>
sin(α)=1/4 =opposite leg/hipotenuse
cos(α)=adjacent leg/hypothenuse
adjacent leg =√(hypotenuse²- Opposite²)=√(16-1)=√15
cosα=+/-√15/4

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Step-by-step explanation:

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3 years ago
If a frozen yogurt has 75 calories in 2 oz, how many are in 8 oz of yogurt?
irina [24]

Answer:

The answer would be 300 calories

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To find the amount of calories in 8 ounces we need to make the ounce amount the same. Let x equal the number of calories.

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