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Choose the correct answer. A weather balloon with a volume of 5 liters at a pressure of 1.25 will have what...

29. Choose the correct answer.
A weather balloon with a volume of 5 liters at a pressure of 1.25 will have what volume when the pressure is 0.75?
A) 8 1/3 L
B) 6 1/4 L
C) 3 3/4 L
D) 3 1/8 L
30. Choose the correct answer.
In the equation y = 7,893(1 + 0.23)^x, what is the growth or decay rate?
A) 7,893
B) x
C) 1.23

Answer

  1. Using Boyle's Law (P1V1 = P2V2), we have:

    P1 = 1.25, V1 = 5, P2 = 0.75

    V2 = (P1 * V1) / P2 = (1.25 * 5) / 0.75 = 8.33 L

    The closest answer is A) 8 1/3 L.

  2. The growth rate in the equation y = 7,893(1 + 0.23)^x is given by the term (1 + 0.23), which indicates a growth rate of 0.23 or 23%.

    The correct answer is 1.23.

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