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4 years ago

A=12 B=5 C=2. who ever can answer this question will get the brainest

Mathematics

2 answers:

Elodia [21]4 years ago

5 0

6(12)
-------- - 2
c(2)
72/2 = 36 - 2 = 34(answer)
72
---- - 2
2

Furkat [3]4 years ago

4 0

72
---- -- 2 = 36 - 2 = 34
2

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Simplify the expression cos x cot x+ sin x please select the best answer from the choices provided a.0, b.csc x, c. Tan x, d sec

expeople1 [14]

Answer:

$cot x = \frac{cos x}{sin x}$

$cos x \frac{cos x}{sin x} + sin x$

$\frac{cos^2 x}{sin x} +sin x$

$sin^2 x + cos^2 x =1$

Solving for $cos^2 x$ we got $cos^2 x =1 -sin^2 x$ and replacing this we got:

$\frac{1-sin^2 x}{sin x} +sin x$

$\frac{1}{sin x} -\frac{sin^2 x}{sin x} +sin x$

$csc x -sin x + sin x = csc x$

And then the best option for this case would be:

b.csc x

Step-by-step explanation:

For this case we have the following expression given:

$cos x cot x + sin x$

We know from math properties that the definition for cot is $cot x = \frac{cos x}{sin x}$

If we use this definition we got:

$cos x \frac{cos x}{sin x} + sin x$

$\frac{cos^2 x}{sin x} +sin x$

Now we can use the following identity:

$sin^2 x + cos^2 x =1$

Solving for $cos^2 x$ we got $cos^2 x =1 -sin^2 x$ and replacing this we got:

$\frac{1-sin^2 x}{sin x} +sin x$

$\frac{1}{sin x} -\frac{sin^2 x}{sin x} +sin x$

$csc x -sin x + sin x = csc x$

And then the best option for this case would be:

b.csc x

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4 years ago

Determine the intercepts of the line y= -2x - 21

soldier1979 [14.2K]

Answer:

what's there to intercept its 1 line

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4 years ago

A fraction reduces to 36. If its denominator is 6x5, what is its numerator?

olchik [2.2K]

If you would like to find the numerator of a fraction, you can do this using the following steps:

denominator ... 6 * 5 = 30
numerator ... x = ?

36 = numerator / denominator
36 = x / 30
x = 36 * 30
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The correct result would be 1080.

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3 years ago

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Alla [95]

Answer:

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Step-by-step explanation:

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stiv31 [10]

Must be 16 and 21 because we can see

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24 and 44 has 2 as factor
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3 years ago

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