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Brut [27]
3 years ago
6

△ABC ≅ △BAD. Points C and D are placed on different sides of line AB. Make a guess about how lines AC and BD relate. Explain.

Mathematics
1 answer:
Hunter-Best [27]3 years ago
3 0

Answer:

See below  

Step-by-step explanation:

It looks like

  • AB⟂CD
  • AB and CD bisect each other.

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The number N of cars produced at a certain factory in 1 day after t hours of operation is given by Upper N (t )equals 800 t minu
Elden [556K]

Answer:

The cost C as a function of t is C(t) = 30,000 + 6,400,000 t - 40,000 t²

Step-by-step explanation:

The function N(t) = 800 t -  5t², represents the number of cars produced at a time t hours in a day, where 0 ≤ t ≤ 10

The function C(N) = 30,000 + 8,000 N, represents the cost C​ (in dollars) of producing N cars

We need to find The cost C as a function of the time t

That means Substitute N in C by its function by other word find the composite function (C о N)(t)

∵ C(N) = 30,000 + 8,000 N

∵ N(t) = 800 t - 5 t²

- Substitute N in C by 800 t - 5 t²

∴ C(N(t)) = 30,000 + 8000(800 t - 5 t²)

- Multiply the bracket by 8000

∴ C(N(t)) = 30,000 + 8000(800 t) - 8000(5 t²)

∴ C(N(t)) = 30,000 + 6,400,000 t - 40,000 t²

- C(N(t) = C(t)

∴ C(t) = 30,000 + 6,400,000 t - 40,000 t²

The cost C as a function of t is C(t) = 30,000 + 6,400,000 t - 40,000 t²

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URGENT<br>please find the mean and standard deviation too​ (number 6)
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Answer:To calculate the standard deviation of those numbers:

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3.Then work out the mean of those squared differences.

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Step-by-step explanation:

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