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VMariaS [17]
3 years ago
14

Sq root of 2 minus 1 ÷ sq root of 2 plus 1

Mathematics
1 answer:
elena-s [515]3 years ago
7 0

√2 - 1 (√2 - 1)(√2 - 1)

--------- = ---------------------

√2 + 1 (√2 + 1)(√2 - 1)


2 + 1 - 2√2

= ---------------

2 - 1


= 3 - 2√2 Answer

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Step-by-step explanation:

Detailed steps is shown in the attachment

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How do you divide 3.4÷12.92
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4 years ago
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In ΔUVW, w = 9 cm, v = 2.2 cm and ∠V=136°. Find all possible values of ∠W, to the nearest 10th of a degree.
Alja [10]

Complete Question

In ΔUVW, w = 9 cm, v = 22 cm and ∠V=136°. Find all possible values of ∠W, to the nearest 10th of a degree.

Answer:

16.5°

Step-by-step explanation:

In ΔUVW, w = 9 cm, v = 22 cm and ∠V=136°. Find all possible values of ∠W, to the nearest 10th of a degree.

We solve using Sine rule formula

a/sin A = b/sin B

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∠V=136°

Hence:

22 /sin 136 = 9 /sin W

Cross Multiply

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sin W = sin 136 × 9/22

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3 years ago
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Explaination:
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68
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