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Svetach [21]
3 years ago
11

Need answer fast with all the steps included please

Mathematics
1 answer:
wel3 years ago
4 0

Answer:

6n²√3

Step-by-step explanation:

2√3n•√9n³

The above expression can be simplified as follow:

Recall

√9 = 3

2√3n•√9n³ = 2√3n × 3√n³

Recall

m√a × n√b = mn√(a × b)

Thus,

2√3n × 3√n³ = (2×3) √(3n × n³)

2√3n × 3√n³ = 6√3n⁴

Recall:

√aᵇ = (aᵇ)¹/² = aᵇ/²

√n⁴ = n⁴/²

√n⁴ = n²

Thus,

6√3n⁴ = 6n²√3

Therefore,

2√3n•√9n³ = 6n²√3

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Step-by-step explanation:

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Step-by-step explanation:

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。☆✼★ ━━━━━━━━━━━━━━  ☾

The equation is:

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8090 [49]

Answer: original angle = 75°

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Step-by-step explanation:

We know that,

  • Sum of supplementary angles is 180 degrees.
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Let x be the original angle , then its supplement = 180° - x

its complement = 90° - x

As per given,

180° - x = 7(90° - x)

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So, original angle = 75°

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Its complement = 90° -75° = 15°

Hence,  original angle = 75°

Its supplement 105°

Its complement = 15°

4 0
3 years ago
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