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Natalija [7]
3 years ago
7

What is the right way to work this problem? (- -3 +12)

Mathematics
1 answer:
Anna007 [38]3 years ago
3 0

Answer:

15

Step-by-step explanation:

yes

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Rocio drops a ball from a height of 4 meters. Rocio observes that each time the ball bounces, it reaches a peak height which is
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The exponential equation that correctly models the ball's peak height, h, in meters, after b bounces is given by:

H(b) = 4(0.79)^b

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

In this problem:

  • Rocio drops a ball from a height of 4 meters, hence A(0) = 4.
  • Each time the ball bounces, it reaches a peak height which is 79% of the previous peak height, hence 1 - r = 0.79.

Thus, the equation is given by:

H(b) = 4(0.79)^b

More can be learned about exponential equations at brainly.com/question/25537936

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5 0
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Can someone help me
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B is the answer i had this on my test the other day
8 0
3 years ago
3^-2 expanded form
Zanzabum

3^(-2) = 1/(3^2) = 1/(3*3) = 1/9

The rule used here is x^(-y) = 1/(x^y) to make the exponent positive.

3^2 turns into 3*3 because the exponent 2 tells us how many copies of the base '3' to multiply out.

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Multiply the following numbers. Reduce the lowest terms.
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Answer:

What are the numbers?

Step-by-step explanation:

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