2 years ago

PLEASE HELP WILL GIVE TWENTY POINTS Which is the best approximation for the measure of angle ABC?

1 answer:

3 0

Cos(x) = BC/AB = 10.5/20 = 0.525 ⇒ x = 58.3°

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Vaselesa [24]

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Mashutka [201]

Answer: $\frac{5}{35}$

Step-by-step explanation:

Since, the total number of contestant = 7,

Thus, the probability that out of 3 contestant, me and my friend is chosen

= $\frac{2_C_2\times 5_C_1}{7_C_3}$

= $\frac{\frac{2!}{2!0!}\times \frac{5!}{1!\times 4!}}{\frac{7!}{4!\times 3!}}$

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= $\frac{5}{35}$

⇒ Third Option is correct.

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2 years ago