Here is triangle ABD. B
Diagram NOT
accurately drawn
8 cm
с
20
13 cm
D
The point C lies on BD.
AD = 13 cm BC = 8 cm
angle ADB = 90°
angle CAD = 20
Calculate the size of angle BAC.
Give your answer correct to 1 decimal place,
(5 marks)

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

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Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done