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3 years ago

Complete the missing value in the solution to the equation −4x−y=24

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

6 0

Answer:

-4x-y=24= - 4 · (-7) - 4 = 24

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Answer:

$\frac{5}{3}$

Step-by-step explanation:

Given that the triangles are similar then the ratios of corresponding sides are equal.

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2 years ago

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Answer:

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3 years ago

For fun question

ZanzabumX [31]

Consider the function $f(x)=x^{1/3}$ , which has derivative $f'(x)=\dfrac13x^{-2/3}$ .

The linear approximation of $f(x)$ for some value $x$ within a neighborhood of $x=c$ is given by

$f(x)\approx f'(c)(x-c)+f(c)$

Let $c=64$ . Then $(63.97)^{1/3}$ can be estimated to be

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Since $f'(x)>0$ for $x>0$ , it follows that $f(x)$ must be strictly increasing over that part of its domain, which means the linear approximation lies strictly above the function $f(x)$ . This means the estimated value is an overestimation.

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