3 years ago

Can I get help with this?

Mathematics

1 answer:

Masteriza [31]3 years ago

6 0

Answer:

AC = 120

Step-by-step explanation:

<D = 360 - 95 - 145

D =120

Central Angle = Intercepted Arc

AC = <D = 120

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V125BC [204]

Answer:

$\frac{^3C_1\times ^4C_1}{^{12}C_2}$

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History electives = 4,

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Also, the total combination of choosing any 2 subjects out of 12 subjects = $^{12}C_2$

Hence, the probability that a student chooses an art elective and a history elective = $\frac{\text{Total combination of choosing an art elective and a history}}{\text{ Total combination of choosing any 2 subjects}}$