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3 years ago

How long will it take a car at 85 mile to reach one mile?

2 answers:

7 0

Speed = 85miles/h
distance 1000miles
time?
speed= distance/time so time is distance/speed
time= 1000/85= 11hours and 46 minutes

Mariulka [41]3 years ago

7 0

If you mean 85 mph then the answer is 42 seconds

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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-

alekssr [168]

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:

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

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

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

$Max(c) = 3$

5 0

3 years ago

A bed & bath company intends to ship out 28,457 blue blankets, and three times as many white blankets. If each box contains

Butoxors [25]

28457 x 3 = 85371 white blankets

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so 2069 full boxes

and 55*.6 = 33 left over blankets

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3 years ago

Alisiya [41]

Answer:

f456897

Step-by-step explanation:

because we dont like it

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3 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers