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Dvinal [7]
3 years ago
7

PLEASE HELP ME evaluate cot pi/5

Mathematics
2 answers:
BaLLatris [955]3 years ago
6 0
0.628 is your answer. hope this helps
ICE Princess25 [194]3 years ago
4 0
1.37638192<span>1.37638192 is the answer</span>
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26. Figure B is the image of Figure A.
sweet [91]

The scale factor of dilation is \LARGE \frac{1}{4}.

<h3>What is scale factor?</h3>

When describing an enlargement you must state by how much the shape has been enlarged or reduced.

Area of triangle B =\frac{1}{2} * b *h

                                = 0.5 x 2 x 3

                               = 3 units

Area of triangle A =\frac{1}{2} * b *h

                                = 0.5 x 4 x 6

                               = 12 units

Scale factor =\frac{Area of \; triangle B}{Area of\; triangle A}

                    =\frac{3}{12}

                    = \frac{1}{4}

Hence, the scale factor of dilation is \LARGE \frac{1}{4}.

Learn more about scale factor here:

brainly.com/question/22312172

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5 0
2 years ago
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lina2011 [118]

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Step-by-step explanation:

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3 years ago
How much water should we add to 20 kg of seawater to change its concentration from 3% to 2%?
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