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worty [1.4K]
2 years ago
11

A video game originally cost 49.99.it was discounted15%. What is the sale price of the game

Mathematics
2 answers:
Vsevolod [243]2 years ago
7 0

Answer:

42.49

Step-by-step explanation:

49.99 × 15% = 7.50

49.99 - 7.50 = 42.49

The sale price is 42.49.

Fofino [41]2 years ago
4 0

Answer:

$42.49

Step-by-step explanation:

s=p−(p×d)

Where:

s

is the sales price: what we are solving for in this problem

p

is the original price: $49.99 for this problem

d

is the discount percent: 15% for this problem. "Percent" or "%" means "out of 100" or "per 100", Therefore 15% can be written as

15/100. Substituting and calculating

s gives: s =$49.99-($49.99×1510)

s=$49.99−$749.8100

s=$49.99−$7.4985   s=$42.4915    s=$42.49

rounded to the nearest cent.

The sales price of the video game is $42.49

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So, each top angle = \frac{360}{8}

= 45°

Now, in fig., consider one of the triangles Δ OAB. Draw an altitude OC from O to the opposite side AB.

This altitude OC bisects the top angle 45°.

Therefore, ∠ AOC = 22.5°.

Now, in Δ AOC,

sin 22.5=\frac{AC}{OA}

=\frac{AC}{x}

So, AC = x sin 22.5°

Note that, AB = 2 AC.

Therefore, AB = 2x sin 22.5°.

Also, cos 22.5=\frac{OC}{OA}

=\frac{OC}{x}

So, OC = x cos 22.5°.

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Total cost g(m) = 0.312x^{2} × 1.5

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Hence, total cost g(m) = 0.468x^{2}.

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3 years ago
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