3 years ago

(x2 + 4)(x2 - 4) What’s the answer

1 answer:

5 0

Answer:

Step-by-step explanation:

(x^2 + 4)(x^2 - 4)

x^4 - 4x^2 + 4x^2 - 16

x^4 - 16 <====

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jeka94

So, Cot is negative in second and fourth quadrant.

So, tan(x+ $\frac{\pi}{2}$ )=-cot(x)

Option B

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2 years ago

Natasha2012 [34]

Answer: 18 gallons.

Step-by-step explanation:

Let's call the total gallons that the container can hold <em>x.</em>

<em> </em>Then, based on the information given in the problem, you can write the following expression:

$\frac{4}{9}x+4=\frac{2}{3}x$

Now, you must solve for x, as you can see below. Therefore, you obtain the following result:

$\frac{4}{9}x+4=\frac{2}{3}x\\\\4=\frac{2}{3}x-\frac{4}{9}x\\\\4=\frac{2}{9}x\\\\4*9=2x\\\\36=2x\\\\x=18\ gallons$

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3 years ago

Natali5045456 [20]

That makes no sense at all!!!

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2 years ago

seropon [69]

Answer:

Your answer is E.

Step-by-step explanation:

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3 years ago

navik [9.2K]

The answer is 150 oz of solution a and 30oz of solution b. I’m adding in the work please ask if you have any questions

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3 years ago