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3 years ago

PLZ HELP NOW (3^4)/(3^x)=27 what is x

Mathematics

2 answers:

Illusion [34]3 years ago

4 0

Answer:

x = 1

Step-by-step explanation:

Create equivalent expressions in the equation that all have equal bases, then solve for x.

x = 1

Hope this helped

cricket20 [7]3 years ago

3 0

The answer to your question is x=1

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Then the answer is all of the above.

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3 years ago

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Scrat [10]

Answer:

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Step-by-step explanation:

The desired ratio is ...

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3 years ago

Verify that (cos²a) (2 + tan² a) = 2 - sin² a....<br>

Sveta_85 [38]

Trigonometric Formula's:

$\boxed{\sf \ \sf \sin^2 \theta + \cos^2 \theta = 1}$

$\boxed{ \sf tan\theta = \frac{sin\theta}{cos\theta} }$

Given to verify the following:

$\bf (cos^2a) (2 + tan^2 a) = 2 - sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf (cos^2a) (2 + \dfrac{sin^2 a}{cos^2 a} )$

$\texttt{\underline{apply distributive method}:}$

$\rightarrow \sf 2 (cos^2a) + (\dfrac{sin^2 a}{cos^2 a} ) (cos^2a)$

$\texttt{\underline{simplify the following}:}$

$\rightarrow \sf 2cos^2 a + sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

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$\texttt{\underline{distribute inside the parenthesis}:}$

$\rightarrow \sf 2 - 2sin^2a + sin^2 a$

$\texttt{\underline{simplify the following}} :$

$\rightarrow \sf 2 - sin^2a$

Hence, verified the trigonometric identity.

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2 years ago

Read 2 more answers

What is Gia's final number if her starting number is 9?

zzz [600]

Answer:26

Step-by-step explanation:

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3 years ago