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Vika [28.1K]
3 years ago
8

Center at (0, 0), radius 2

Mathematics
1 answer:
Step2247 [10]3 years ago
6 0

Answer:

x² + y² = 4

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ← r is the radius]Here r = 2, thus

x² + y² = 4

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The revenue, in dollars, of a company that manufactures televisions can be modeled by the polynomial 3x²+180x . The cost, in dol
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We use the profit concept, and doing this, it is found that if 150 televisions are sold, the profit is $50,700.

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Profit is given by revenue subtracted by cost.

In this question:

  • Revenue: R(x) = 3x^2 + 180x
  • Cost: C(x) = 3x^2 - 160x + 300

Thus, the profit of selling x televisions is:

P(x) = R(x) - C(x)

P(x) = 3x^2 + 180x - (3x^2 - 160x + 300)

P(x) = 3x^2 + 180x - 3x^2 + 160x - 300

P(x) = 340x - 300

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For 150 televisions, we have P(150), so:

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If 150 televisions are sold, the profit is $50,700.

A similar question is given at brainly.com/question/14469903

8 0
3 years ago
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Answer:

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