2 years ago

What precent is 30 is 24

Mathematics

1 answer:

GuDViN [60]2 years ago

5 0

Answer:

80 percent

Step-by-step explanation:

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What is -8r-8+5 simplyfied

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-8r-3

Combine -8 and 5

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2 years ago

Please help me my teacher already mad!!

vova2212 [387]

Answer:

1. D

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2 years ago

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Pani-rosa [81]

Answer:

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Step-by-step explanation:

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2 years ago

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:

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

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

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

$Max(c) = 3$

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2 years ago

The mass of a vase is 0.3kilgram. A flower has a mass that is 0.03 times the mass of the vase. What is the mass of the flower?

deff fn [24]

Hello!

0.3 × 0.03 = 0.009

The mass of the flower is 0.009 kilogram.

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3 years ago