Can someone help me with my homeworkk

Mathematics

1 answer:

Free_Kalibri [48]3 years ago

5 0

Answer:

The roots are x=2, 4

Step-by-step explanation:

The roots of the parabola are where the graph crosses the x axis .

The graph crosses the x axis at x=2 and x=4

The roots are x=2, 4

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Each letter of the word "thunderstorm" has been written on a separate slip of paper and put into a box. Find the probability of

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From the question, we want to find the probability of selecting a slip of paper with the letter t on it, then selecting the letter r, with replacement.

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There are 12 letters (total outcomes). And there are 2r and 2t.

So probability becomes

$\begin{gathered} \frac{possible\text{ outcome}}{\text{total outcome }} \\ P(t)=\frac{2}{12} \\ P(r)=\frac{2}{12} \\ P(t)\times P(r)=\frac{2}{12}\times\frac{2}{12} \\ =\frac{1}{6}\times\frac{1}{6} \\ =\frac{1}{36} \end{gathered}$

Hence the answer is