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3 years ago

10

Jim has 6 quarters, 1 dime, 5 nickels, and 2 pennies in his pocket. If one coin falls from his pocket, what is the probability t

hat the coin is a quarter or a penny?

1 answer:

borishaifa [10]3 years ago

6 0

Answer:

4/7

Step-by-step explanation:

6+1+5+2=14

6+2=8

8/14 = 4/7

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4 years ago

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ANEK [815]

Answer:

$\displaystyle \angle A=30^\circ$

Step-by-step explanation:

We are given that in Circle O, Arc BAC measures 300°.

Recall that arc lengths will always total 360°. Therefore:

$\stackrel{\frown}{BAC}+\stackrel{\frown}{CB}=360^\circ$

By substitution:

$300+\stackrel{\frown}{CB}=360$

Thus:

$\stackrel{\frown}{CB}=60^\circ$

∠A intercepts Arc CB. Since it is an inscribed angle, it will be half of its intercepted arc. In other words:

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Therefore:

$\displaystyle \angle A=\frac{1}{2}(60)=30^\circ$

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3 years ago

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VladimirAG [237]

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