3 years ago

Miguel is 8 years older than half of Chen's age. If Chen is 20 years old, how can Miguel's age be

Mathematics

1 answer:

EleoNora [17]3 years ago

8 0

Answer:

A) Divide 20 by 2 and then add 8 to the result

Step-by-step explanation:

$\frac{20}{2}+8=10+8=18$

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Need help with linear approximation

Dmitrij [34]

Consider a function f(x), the linear approximation L(x) of f(x) is given by

$L(x)=f(a)+(x-a)f'(a)$

Given the quantity: $\frac{1}{203}$

We approximate the quantity using the function $f(x)= \frac{1}{x}$ , where x = 203.

We choose a = 200, thus the linear approximation is given as follows:

$L(203)=f(200)+(203-200)f'(200) \\ \\ = \frac{1}{200} - \frac{3}{200^2} = \frac{200-3}{200^2} = \frac{197}{40,000} =0.004925$