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Luden [163]
3 years ago
10

How to find a discount percent

Mathematics
1 answer:
adoni [48]3 years ago
3 0
If they give you the total price and the price after the discount you can use this "formula" to solve it p/100=b/a where p is the percentage, a is the total price and b is the price after the discount.
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8 0
3 years ago
If sin theta = sqrt(2/2), which could not be the value of theta?
Nataliya [291]

The solution would be like this for this specific problem:

sin(θ°) = √(2)/2 

θ° = 360°n + sin⁻¹(√(2)/2) and θ° = 360°n + 180° − sin⁻¹(√(2)/2)
θ° = 360°n + 45° and θ° = 360°n + 135° where n∈ℤ 

360°*0 + 45° = 45° 
360°*0 + 135° = 135° 
360°*1 + 45° = 405° 

<span>sin(225°) = -√(2)/2

</span>225 has an angle where sin theta= -(sqrt2)/2 therefore, the value of theta cannot be 225 degrees.

4 0
3 years ago
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Triss [41]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Pic need help plz !!!!
sweet [91]

Answer:

A

Step-by-step explanation:

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MrRissso [65]

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True

Step-by-step explanation:

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