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Leno4ka [110]
3 years ago
12

HELP!!

Mathematics
1 answer:
Dovator [93]3 years ago
8 0

Answer:

In general, extraneous solutions arise when we perform non-invertible operations on both sides of an equation. ... Squaring (or raising to any other even power) is a non-invertible operation. Solving equations involving square roots involves squaring both sides of an equation

Step-by-step explanation:

I hope this will help u

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Polynomial function that has the zeros -5 and 4i
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Answer:

P(x) = x^{2}  + x(5-4i) - 20i is the required polynomial function of the form ax^{2}  + bx +c

Step-by-step explanation:

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Now, The Polynomial = Product of all its roots

So, here P(x) =  ( x + 5)( x - 4i)

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⇒P(x) = x^{2}  + x(5-4i) - 20i

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7 0
3 years ago
Pedro and Carmela are cleaning their kitchen. It takes Pedro 3 hours to clean the kitchen by himself, while Carmela can clean th
Igoryamba

Answer:

B

Step-by-step explanation:

Here, we want to choose the equation representing the time it will take if they worked together

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So the joint rate will be

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The correct answer would be C)6x2-23X+20
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