2 years ago

Select the equivalent expression.

Mathematics

1 answer:

denpristay [2]2 years ago

5 0

Answer:

$\boxed{\bold{[C] \ \ \ \ \frac{1}{3^5} } }}$

Explanation:

Apply Exponent Rule: $\bold{\:a^{-b}=\frac{1}{a^b}}$

$\bold{3^{-5}: \ \frac{1}{3^5} }$

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Benson sells vacuum cleaners on a commission he earns $75 for each vacuum cleaners sucks how many vacuum cleaner should he sell

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Answer: Read below!

Step-by-step explanation:

You would want to start off by dividing 75 by 1,400. That will get you your answer.

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3 years ago

Please answer this equation what is the answer to 1/4(k-1)=10

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$\frac{1}{4}(k-1)=10^{(4} \\\\ k-1=40 \\\\ k=40+1 \\\\ \boxed{k=41}$

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2 years ago

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Describe how the product of 0.4 × 2 would look on a ten-square grid. The product would have _____ squares shaded out of 10.

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3 years ago

F (x) is an exponential function with these features: f (x) is increasing, the y-intercept is (0,1), and f (2) = 49. Which

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Answer:

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Step-by-step explanation:

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2 years ago

Help! If you know this can you tell me how to do it?

aleksandr82 [10.1K]

Answer:

Step-by-step explanation:

Here's how this works:

Get everything together into one fraction by finding the LCD and doing the math. The LCD is sin(x) cos(x). Multiplying that in to each term looks like this:

$[sin(x)cos(x)]\frac{sin(x)}{cos(x)}+[sin(x)cos(x)]\frac{cos(x)}{sin(x)} =?$

In the first term, the cos(x)'s cancel out, and in the second term the sin(x)'s cancel out, leaving:

$\frac{sin^2(x)}{sin(x)cos(x)}+\frac{cos^2(x)}{sin(x)cos(x)}=?$

Put everything over the common denominator now:

$\frac{sin^2(x)+cos^2(x)}{sin(x)cos(x)}=?$

Since $sin^2(x)+cos^2(x)=1$ , we will make that substitution:

$\frac{1}{sin(x)cos(x)}$

We could separate that fraction into 2:

$\frac{1}{sin(x)}$ × $\frac{1}{cos(x)}$

$\frac{1}{sin(x)}=csc(x)$ and $\frac{1}{cos(x)}=sec(x)$

Therefore, the simplification is

sec(x)csc(x)

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3 years ago