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Lubov Fominskaja [6]
4 years ago
15

Which of the following expressions represents a function?

Mathematics
1 answer:
makkiz [27]4 years ago
8 0
Selection A is appropriate.

_____
The rest of the choices have one value of x corresponding to multiple values of y. Thus, they don't meet the requirement of a function.
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Solve the triangle.<br><br> B = 36°, a = 38, c = 18
Lady_Fox [76]
Solving the triangle requires solving all of the dimensions involve in the polygon given. We are given an angle, and two of the sides of the triangle. We can solve the third side by using the law of cosines.

b² = a²+c²-2accos(B)
b² = 38² + 18² - 2(38)(18)cos(36)
b = 25.7

We use the law of sines to solve for the angles.
a/sinA = b/sinB
38/sinA = 25.7/sin36
A = 60.4
°
C =
180 - 36 - 60.4 = 83.6°
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3 years ago
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ExtremeBDS [4]

Answer:

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Step-by-step explanation:

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7 0
4 years ago
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27 divided by 12= 2.25 so 2.25 turkey was used in each sandwich. 
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