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KonstantinChe [14]
3 years ago
5

Find the value of A, B, C and D

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0
Since some sides are congruent to the mirrored of itself, you can conclude that a =                    65 degrees
b = 180 - 65 =  115 degrees
c =                    20 degrees                  (180 = 45 + 115 + x)
d =                    45 degrees
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This is about calculation of invoice.

<u><em>1) Total for the invoice = $2641.25</em></u>

<u><em>2) Total for the invoice = $30</em></u>

<u><em>3) Total for the invoice = $1925</em></u>

<u><em /></u>

  • 1) 12 cameras for $200 each

Amount for cameras = 12 × 200 = $2400

25 cables with length of 10 ft each cost $1.25

Amount for 10 ft cables = 25 × 1.25 = $31.25

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10 of these cables will have length =12 × 10 = 120 ft

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Total for the Invoice = $2400 + $31.25 + $210

Total for the invoice = $2641.25

  • 2) 250 yards of rope costs $500.

Thus, price per yard = 500/250 = $2 per yard

For a customer that wants 15 yard;

Total for the invoice = 15 × $2 = $30

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Thus;

On monday; 1 hour will cost; 2 × $275 = $550

On Tuesday; 3 hours will cost; 3 × $275 = $825

On wednesday; 2hours will cost; 2 × $275 = $550

Total for the invoice = 550 + 825 + 550 = $1925

Read more at; brainly.com/question/17745127

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