3 years ago

What expression is equivalent to 4 to the negative 3 power

Mathematics

1 answer:

Elina [12.6K]3 years ago

4 0

Answer:

1/64

Step-by-step explanation:

4^(-3)

1/4³

1/64

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P(x) = 2x² + 1<br> What is the inverse for p(x)?

Serhud [2]

Answer:

$P^{-1} (x)=\sqrt{\frac{x-1}{2} }$

Step-by-step explanation:

1. $P(x)=2x^{2} +1$

2. $y=2x^{2} +1$

3. $x=2y^{2} +1$

4. $2y^{2} =x-1$

5. $y^{2} =\frac{x-1}{2}$

6. $y=\sqrt{\frac{x-1}{2} }$

7. $P^{-1} (x)=\sqrt{\frac{x-1}{2} }$

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Ludmilka [50]

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3 years ago

What is the slope of the line containing (-2,5) and (4, -4)?

Musya8 [376]

Answer: slope is -3/2

Step-by-step explanation:

(-2,5) (4,-4)

Use the slope formula y2-y1/x2-x1

5-(-4)/-2-4 = -3/2

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3 years ago

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9 meters of gold wire. How long is the wire in millimeters?

kenny6666 [7]

Milli means 1000
1 meter=1000 milimeters

therefor
9 times 1 meter=9 times 1000 milimeters
9 meter=9000 milimeters

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4 years ago

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Based on the diagram, which expresses all possible lengths of segment AB? AB = 25 27 < AB < 81 AB = 85 AB< 27 or AB &gt

Thepotemich [5.8K]

The answer

according to the figure, we can solve this problem only by applying sines rule:
that is
sinA/a = sinB/b = sinC /c

As we observe, sin A /54 = sin B/27 = sin C/ c, and c = AB

besides, sinC > sinB > sinA , so the only answer possible is
<span>27 < AB < 81</span>

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3 years ago

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