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brilliants [131]
2 years ago
5

In a particular game, a spinner with four equally-sized sectors labeled 1, 3, 5, and 6 is spun twice. One turn is considered 2 s

pins of the spinner. If the sum of the spins is even, you move backward 6 spaces. Otherwise, you move forward 2 spaces. What is the mathematical expectation for the number of spaces moved in one turn? *
Mathematics
1 answer:
Harman [31]2 years ago
4 0

Answer:

3 spaces backwards, if you still need it.

Step-by-step explanation:

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Answer:

a. 28˚

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d. 56˚

Step-by-step explanation

a. because angle between tangent and chord is equal to the angle(s) in alternate segment.

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c. because angles in triangles add up to 180˚ and opposite angles in a cyclic quadrilateral add up to 180˚, 31+76=107, 180-107=73, 73-28=45, angles in triangle so 180-(31+45)=104˚

d. 28*2=56˚ because angles at circumference are half angles at centre

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a) See attached diagram.

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Answer:

For this case, the first thing we must do is define variables:

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