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2 years ago

8

Question on image. (calculus)

1 answer:

tatuchka [14]2 years ago

5 0

Answer:

D

Step-by-step explanation:

$\tan^{-1}(\frac{a}{b})}$ is the angle on the right, so

$\cos[\tan^{-1}(\frac{a}{b})}]=\frac{b}{\sqrt{a^2+b^2}}$

That is D

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Read 2 more answers

If A denotes some event, what does Upper A overbar denote? If P(A)equals0.999, what is the value of P(Upper A overbar)? Wh

meriva

Answer:

<h3>The event $P(\overline{A})$ denotes the complement of event A.</h3><h3>The value of $P(\overline{A})$ is 0.001</h3>

Step-by-step explanation:

Given that A denotes some event .

And also given that P(A)=0.999

<h3>To find the value of $P(\overline{A})$ :</h3>

Here the event $P(\overline{A})$ denotes the complement of event A Therefore $P(\overline{A})$ contains all the events that does not occur in A.

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So we have that

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$P(\overline{A})=1 -P(A)$

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$=0.001$

Hence the complement of event A is $P(\overline{A})=0.001$

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3 years ago

Is the function “ y = 3x “ a direct variation?

LuckyWell [14K]

Given function is a direct variation

Step-by-step explanation:

The direct proportion is defined as the increase in one quantity causes increase in other quantity.

If y is directly proportional to x, then it is given as:

y = kx

where k is the constant of proportionality

Given

y = 3x

Comparing the general form and given equation we see that both are same where k =3

So,

Given function is a direct variation

Keywords: Variation, functions

Learn more about functions at:

#LearnwithBrainly

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