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Marianna [84]
3 years ago
12

Helppppp me pleaze pleaze

Mathematics
1 answer:
Alexxandr [17]3 years ago
8 0
A and C are correct
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Step-by-step explanation:

The two angles form a straight line so they add to 180 degrees

b+49 = 180

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Express 31 billion in scientific notation
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4 years ago
A roulette wheel has 38 slots in which the ball can land. Two of the slots are green, 18 are red, and 18 are black. The ball is
slamgirl [31]

Answer:

D is the correct option

Step-by-step explanation:

The roulette can land in any possibly slot and their are 38slots

i.e the total possible event is 38

Green slot = 2

Red slot =18

Black slot =18

P(G)=2/38 =1/19

P(R)=18/38=9/19

P(B)=18/38=9/19.

The roulette will be spun twice and they are independent i.e. the occurrence of one event does not affect the occurrence of the other.

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P(R n B)=9/19×9/19

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D is the correct option

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3 years ago
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