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zhuklara [117]
3 years ago
15

PLEASE HELP YOU GET 20 POINTS

Mathematics
1 answer:
Doss [256]3 years ago
7 0
None of them is the answer
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Patrick because he can run 1 lap in 90 seconds
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What is 4 as a fraction
alexandr1967 [171]

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Answer is 4/1 or 8/2

Hope it helps.......

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The probability that a mature hen will lay an egg on a given day is 0.80. Hannah has 12 hens. What is the probability that 10 of
OleMash [197]

Answer: 0.28

Step-by-step explanation:

Binomial probability formula :

P(X=x)=\ ^nC_xp^x(1-p)^x , where  x = Number of success , n= sample size , p= probability of success for each trial.

Let x = Number of hens lay eggs.

then, p=  0.80

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For x=10

P(x=10)=\ ^{12}C_{10}(0.80)^{10}(0.20)^{2}\\\\=\dfrac{12!}{10!2!}\times 0.1073741824\times 0.04\\\\\approx0.28

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3 years ago
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Match each exponential function to the description of its percent rate of change.
dolphi86 [110]

Answer:

Given in order:

  • 22% growth
  • 12% growth
  • 12% decay
  • 20% decay

Step-by-step explanation:

The exponential function is in the form  f(x)=a(1+r)^x

If r is positive (the number in the bracket is larger than 1), then it is <em>exponential growth</em> and if r is negative (the number in the bracket is less than 1), then it is <em>exponential decay.</em>

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<u>Growth or Decay by how much???</u>

The amount that is greater than/less than 1

  • The first function's number inside the bracket is greater than 1 by 0.22 (22%). So it is "22% growth".
  • The second function's number inside the bracket is greater than 1 by 0.12 (12%). So it is "12% growth".
  • The third function's number inside the bracket is less than 1 by 0.12 (12%). So it is "12% decay".
  • The fourth function's number inside the bracket is less than 1 by 0.2 (20%). So it is "20% decay".

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3 years ago
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Which function has a simplified base of 4? f(x) = 2 f(x) = 2 f(x) = 4 f(x) = 4
spayn [35]

Answer:

f(x)=2

Step-by-step explanation:

5 0
4 years ago
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