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3 years ago

8

An astronomer wishes to measure on a photograph the distance between the image of a certain star and three other star images nea

rby. If eight images are nearby, how many choices of the three stars does he have?

1 answer:

Jet001 [13]3 years ago

3 0

The answer is 24 you just multiply the initial by the posibilities

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Answer:

b -17

Step-by-step explanation:

−a^2 − 3b^3 + c^2 + 2b^3 − c^2 =

= -(3²) - 3(2³) + (-3)² + 2(2³) - (-3)²

= -9 - 3(8) + 9 + 2(8) - 9

= -9 - 24 + 9 + 16 - 9

= -17

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