2 years ago

The answer this problem is 15 it’s the correct answer

Mathematics

1 answer:

BartSMP [9]2 years ago

4 0

Is there any other question that you have??? (preferably one that could be answered)

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Cost A=0.6489 take the inverse cosine of both sides

Stolb23 [73]

I am not quite sure what the question asks for,
But this is what i assume it wants:

Cos A= 0.6489
In this given one, we basically find the size of the angle A
we do cosine inverse on both sides to get the size of the angle A
$cos^{-1}$ : It looks like this in the calculator
$cos^{-1}$ × cos A= $cos^{-1}$ (0.6489)
( $cos^{-1}$ and cos cancels out)
A= $cos^{-1}$ (0.6489)
A=49.54°
check:
cos 49.54=0.6489 (its right!)

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2 years ago

What is 0+0=? help me or I will fail XD

mr_godi [17]

Answer:

0+0=0

lololo.............

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2 years ago

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Mario drew a model to represent one third of the space in his bookcase. how could mario draw a model to represent all the space

Maksim231197 [3]

He could of drew it open

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3 years ago

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!! AP CALCULUS AB !! find the limit of [(secx*sinx) + (cscx*cosx)]/(3secx) as x approaches 3pi/2

uysha [10]

$f(x)= \frac{\frac{\sin{x}}{\cos{x}}+\frac{\cos{x}}{\sin{x}}}{3\sec{x}}$

$\frac{\frac{\sin{x}}{\cos{x}}+\frac{\cos{x}}{\sin{x}}}{3\sec{x}} \implies \\ \frac{\sin^2{x}+\cos^2{x}}{\sin{x}\cos{x}}\frac{\cos{x}}{3}\implies \\\frac{1}{\sin{x}\cos{x}}*\frac{\cos{x}}{3}\implies \\ \frac{1}{3\sin{x}}$

So,

$\lim_{x \rightarrow \frac{3\pi}{2}}{f(x)=f(\frac{3\pi}{2})=\frac{1}{3\sin{\frac{3\pi}{2}}}=-\frac{1}{3}$

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3 years ago

0.43 as a fraction ?

lukranit [14]

Answer:

43/100

Step-by-step explanation:

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2 years ago