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sattari [20]
3 years ago
12

Which expressions are equivalent to the one below?

Mathematics
1 answer:
den301095 [7]3 years ago
8 0
The expressions that show different ways to rewrite
\dfrac{16^{x}}{4^{x}}

are ...
  a. (4^x * 4^x) / 4^x
  b. 4^x
  c. (16 / 4)^x
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topjm [15]

Answer:

5 2/6 + 2 4/6 = 8

Step-by-step explanation:

So Gina has 8 feet of ribbon in total.

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A multiple-choice standard test contains total of 25 questions, each with four answers. Assume that a student just guesses on ea
weqwewe [10]

Answer:

a)  8*88*10⁻⁶ ( 0.00088 %)

b) 0.2137 (21.37%)

Step-by-step explanation:

if the test contains 25 questions and each questions is independent of the others, then the random variable X= answer "x" questions correctly , has a binomial probability distribution. Then

P(X=x)= n!/((n-x)!*x!)*p^x*(1-p)^(n-x)

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then

a) P(x=n) = p^n = (1/4)²⁵ = 8*88*10⁻⁶ ( 0.00088 %)

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where F(x) is the cumulative binomial probability distribution- Then from tables

P(x<5)= F(5)= 0.2137 (21.37%)

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3 years ago
Penguins spend almost 75% of their lives in the sea. An Emperor Penguin in the wild has a life span of about 18 years. About how
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4 0
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NemiM [27]

Answer:

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Step-by-step explanation:

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