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3 years ago

Jon answered 20 questions correctly on a 50-question test. Which does NOT

Mathematics

2 answers:

Eva8 [605]3 years ago

7 0

Answer: .86

Step-by-step explanation: Percentages can represent sale prices, such as 20 percent off, success rates, such as getting 86 ... Enter the portion you are converting to a percentage in the calculator. ... For example, if there were a total of 50 question on the test, enter "50." ... For example, if a student got 43 out of 50 questions correct, your answer is .86.

Ede4ka [16]3 years ago

5 0

Answer:

HE GOT A

40%

2/5

4/10

on the quiz

Step-by-step explanation:

but there are infinite options for what he didn't get

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Step-by-step explanation:

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3 years ago

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Expand f(z) into partial fractions:

$\dfrac1{z(z-2)} = \dfrac12 \left(\dfrac1{z-2} - \dfrac1z\right)$

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$\displaystyle \frac1{1-z} = \sum_{n=0}^\infty z^n$

Then for |z| > 2, or |1/(z/2)| = |2/z| < 1, we have

$\displaystyle \frac1{z-2} = \frac1z \frac1{1 - \frac2z} = \frac1z \sum_{n=0}^\infty \left(\frac 2z\right)^n = \sum_{n=0}^\infty \frac{2^n}{z^{n+1}}$

So the series expansion of f(z) for |z| > 2 is

$\displaystyle f(z) = \frac12 \left(\sum_{n=0}^\infty \frac{2^n}{z^{n+1}} - \frac1z\right)$

$\displaystyle f(z) = \frac12 \sum_{n=1}^\infty \frac{2^n}{z^{n+1}}$

$\displaystyle f(z) = \sum_{n=1}^\infty \frac{2^{n-1}}{z^{n+1}}$

$\displaystyle \boxed{f(z) = \frac14 \sum_{n=2}^\infty \frac{2^n}{z^n} = \frac1{z^2} + \frac2{z^3} + \frac4{z^4} + \cdots}$

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2 years ago

13.5 x 12.1 what does it equal

topjm [15]

Answer:

163.35

Step-by-step explanation:

13.5 x 12.1 = 163.35

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3 years ago

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Answer:

Step-by-step explanation:

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4 years ago

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3 years ago

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