8 ^ x * 16 ^ x - 1 equals 1

1 answer:

7 0

Answer:

${8}^{x} \times {16}^{x } - 1 = 1 \\ {2}^{3x} \times {2}^{4x} = 1 + 1 \\ {2}^{7x} = {2}^{1} \\ 7x = 1 \\ x = \frac{1}{7}$

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Airida [17]

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erica [24]

75.36 is the answer.

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Veronika [31]

Answer:

A. 10

Step-by-step explanation:

I found a website that explains that you need 8.3 grams of coffee to make one 5-fl oz cup of coffee.

To make 600 cups, you need 600 * 8.3 g = 4980 g

Now we convert 4980 g to lb.

1 lb = 454 g

4980 g * (1 lb)/(454 g) = 11 lb

The closest answer is A. 10

Answer: A. 10

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AleksandrR [38]

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Vikki [24]

It's -5/2,-4 is right. ok?

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8 ^ x * 16 ^ x - 1 equals 1​