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Trava [24]
3 years ago
8

Please help (-8) ^{-4}

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0
(-8)^{-4} = \frac{1}{(-8)^{4}} = \frac{1}{4096}
katovenus [111]3 years ago
5 0
(-8)^{-4}\\----------\\Use:\ a^{-n}=\frac{1}{a^n}\\-----------\\(-8)^{-4}=\frac{1}{(-8)^4}=\frac{1}{8^4}=\boxed{\frac{1}{4,096}}
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What's the reciprocal of 5/18 please help :/
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Answer:

Reciprocal of 5/18 is 18/5.

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3 years ago
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Which descriptions can describe more than one triangle? Select two options.
adelina 88 [10]

Answer:

angle measurements of 35, 35, and 110°

angle measurements of 40°, 60°, and 80°

Step-by-step explanation:

we know that

The length sides of a triangle must satisfy the Triangle Inequality Theorem and the sum of their interior angles must be equal to 180 degrees

Remember that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

That means, I can have more than one triangle with the same internal angles

so

<u><em>Verify each description</em></u>

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Remember that

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so

Applying the triangle inequality theorem

1) 6+8 > 10 ---> is true

2) 6+10 > 8 ---> is true

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therefore

The description describe only one triangle

case 2) angle measurements of 35, 35, and 110°

The sum of the interior angles is equal to 180 degrees

therefore

The description can describe more than one triangle, by similar triangles

case 3) angle measurements of 30°, 40, and 50°

The sum of the interior angles is not 180 degrees

therefore

The description is not a triangle

case 4) angle measurements of 40°, 60°, and 80°

The sum of the interior angles is equal to 180 degrees

therefore

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so

Applying the triangle inequality theorem

1) 4+6 > 9 ---> is true

2) 4+9 > 6 ---> is true

3) 6+9 > 4 ---> is true

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The description describe only one triangle

4 0
3 years ago
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vfiekz [6]

Answer:

Rational

Step-by-step explanation:

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3 years ago
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I need some help, please. : )
ankoles [38]

Answer:

A

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4 0
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