3 years ago

Help me pls!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Natalka [10]3 years ago

7 0

Answer:

its c

Step-by-step explanation:

its not that hard man you simply have to place the miles per seconds in an exponential graph

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3 years ago

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3 years ago

If one root is the square of the other in the equation 8+mx+27x²=0,find the value of m

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Step-by-step explanation:

Let $27\cdot x^{2}+m\cdot x +8 = 0$ , we notice that expression is a second order polynomials. We can rearrange the polynomial and use factorization to calculate all roots:

$x^{2}+\frac{m}{27}\cdot x + \frac{8}{27} = 0$ (1)

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From (3) we find the least root:

$x = \sqrt [3]{\frac{8}{27}}$

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