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Papessa [141]
3 years ago
14

please help asap!!!! algebra graphing functions!! 50 points thank you!! (not sure why the pics are sideways lol)

Mathematics
1 answer:
miv72 [106K]3 years ago
8 0

Answer:

1st graph.

Step-by-step explanation:

The function  y = -x² + 5, reflects the 1st graphic.

Reasoning:

  • If we make x equal to 0, y=5, it meas the parabole crosses y-axis at 5.
  • In every quadratic function, if the value of x is negative, the parabole goes downwards.
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A bin has 5 white balls and k black balls in it, where k is an unknown positive integer. A ball is drawn at random from the bin.
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Answer:

Step-by-step explanation: The expected loss is 50 cents, we know that it is more likely to lose than win. It is therefore difficult to get-50, so the overall difference between the two possibilities is 2, 50/200=1/4, and the probability to win is 1/4, and the probability to lose is 3/4. Since (1/4)*3=3/4, the number of black balls is 3 times the number of white balls, so k=15.

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3 years ago
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3 years ago
The table represents the total miles traveled, y, after a number of hours, x. Hours, x Miles, y 2.5 150 4.0 240 5.5 330 7.0 420
maw [93]
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y = mx + b
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now we sub and find b, the y int
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240 = 240 + b
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