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vovikov84 [41]
4 years ago
6

How to solve quadratic functions

Mathematics
1 answer:
Setler79 [48]4 years ago
7 0

Answer:

I understand how to solve quadratice equations, but what do you do if it is equal to f(x).  I am guessing that you set if equal to 0, but could anyone confirm?

f(x) = x^2 -6x +13. As an example. Have a great day

Step-by-step explanation:

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<h3>18 months will pass before the two friends have the same hair length</h3>

<em><u>Solution:</u></em>

Let "x" be the number of months

Joni’s hair is 13 inches long and grows at an average rate of ⅔ in per month

Equation : 13 + \frac{2}{3}x ------- eqn\ 1

Her friend Kate’s hair is 16 inches long and grows at an average rate of ½ in per month

Equation: 16 + \frac{1}{2}x ----- eqn\ 2

<em><u>For two friends to have the same hair length, eqn 1 must be equal to eqn 2</u></em>

13 + \frac{2x}{3} = 16 + \frac{x}{2}\\\\\frac{2x}{3} - \frac{x}{2} = 16 - 13\\\\\frac{4x}{6} - \frac{3x}{6} = 3\\\\x = 18

Thus 18 months will pass before the two friends have the same hair length

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3 years ago
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How much water does it take to completey fill a pool that is 50 m long, 25 m wide, and 2 m deep?
elixir [45]

Answer:

2500

Step-by-step explanation:

So it seems like we have to find the volume in this problem

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So all we do now is simply multiply.

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Step-by-step explanation:

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