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Lesechka [4]
3 years ago
8

liz earns $400 for 40 hours of work.use a ratio table to determine how much she earns for 6 hours of work

Mathematics
1 answer:
Leni [432]3 years ago
8 0
Here is how you solve this : 

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If a and B are the zeros of the quadratic polynomial f(x) = x2- 5x + 4 find the value of 1/a+1/b-2ab
bearhunter [10]

Answer:

<h2>-27/4</h2>

Step-by-step explanation:

Given the quadratic polynomial given as g(x) = x²- 5x + 4, the zeros of the quadratic polynomial occurs at g(x) = 0 such that x²- 5x + 4 = 0.

Factorizing the resulting equation to get the roots

x²- 5x + 4 = 0

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x(x-1)-4(x-1) = 0

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x-1 = 0 and x-4 = 0

x = 1 and x = 4

Since a and b are known to be the root then we can say a = 1 and b =4

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= (5-32)/4

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<em>Hence the required value is -27/4</em>

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3 years ago
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