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LnatM

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I have 4 questions that I really need help with.

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1. Find the x-intercepts for the equation. Express your answer as an ordered pair (x1, x2). Express each number to three decimal places X.XXX, and remember to use a leading zero if needed, for example 0.XXX. 2. According to projections through the year 2030, the population y of the given state in year x is approximated by: State A: -4x + y = 11,400 State B: -139x + y = 5,000 where x = 0 corresponds to the year 2000 and y is in thousands. In what year do the two states have the same population? 3. Determine the vertex of the following parabola. Express your answer as an ordered pair (x, y) including the parenthesis. 4. Several friends chartered a boat for a day of fishing. They caught 53 fish. The table shown provides information about the type and number of fish caught. Determine the probability that the next fish caught is a flounder. Express your answer as a number to the nearest thousandth. Don't forget a leading zero before the decimal point, for example 0.XXX.
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Probability and point-slope parabola
Q1: x-intercepts
𝑦 = −8𝑥 2 − 5𝑥 + 9
𝑃𝑢𝑡 𝑦 = 0
−8𝑥 2 − 5𝑥 + 9 = 0
8𝑥 2 + 5𝑥 − 9 = 0
𝐶𝑜𝑚𝑝𝑎𝑟𝑒 𝑡𝑜 𝑎𝑥 2 + 𝑏𝑥 + 𝑐 ...

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Anonymous
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