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adelina 88 [10]

3 years ago

6

A hot air balloon descends from an altitude of 2,000 feet at a constant rate of 90 feet per minute. Write a linear function in t

erms of y=mx+b to model the situation.

2 answers:

tatyana61 [14]3 years ago

7 0

Answer:
The guy above me probably isnt wrong

serg [7]3 years ago

4 0

Answer:

the hot air balloon is hotter than me

Step-by-step explanation:

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The power generated by an electrical circuit (in watts) as a function of its current ccc (in amperes) is modeled by: P(c)=-20(c-

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Answer:

The current that produces maximum power is 3A

Step-by-step explanation:

Given

$P(c) = 20(c - 3)^2$

Required [Missing from the question]

The current that produces maximum power

First, we represent the function in standard form

$P(c) = 20(c - 3)^2$

$P(c) = 20(c - 3)(c - 3)$

Open bracket

$P(c) = 20(c^2 -6c+ 9)$

$P(c) = 20c^2 -120c+ 180$

The maximum value of c is:

$Max(c) = \frac{-b}{2a}$

Where:

$f(x) = ax^2 + b^2 + c$

By comparison: $P(c) = 20c^2 -120c+ 180$

$a = 20$

$b = -120$

$c = 180$

So, we have:

$Max(c) = \frac{-b}{2a}$

$Max(c) = \frac{-(-120)}{2 * 20}$

$Max(c) = \frac{120}{40}$

$Max(c) = 3$

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Step-by-step explanation:

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VMariaS [17]

Answer:

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Step-by-step explanation:

we have

-2w+4=-12

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Alexxandr [17]

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Step-by-step explanation:

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