Math Questions from Dec 07,2024

Browse the Math Q&A Archive for Dec 07,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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In a class of 100 students, 65 take statistics, 35 take pre-calculus, and 20 take both subjects. What is the probability that a randomly selected student takes neither statistics nor pre-calculus? Express your solution as a percent. Hint: Use a Venn diagram. none of these -2 The and terms of a G.P. are , c respectively. Show that What are the roots of the equation in simplest form Resuelve la desigualdad. 2.2 Roulette wheel: The game of roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and 2 green. A ball is spun onto the wheel and will eventually land in a slot, where each slot has an equal chance of capturing the ball. a) You watch a roulette wheel spin 3 consecutive times and the ball lands on a red slot each time. What is the probability that the ball will land on a red slot on the next spin? (please round to four decimal places) b) You watch a roulette wheel spin 300 consecutive times and the ball lands on a red slot each time. What is the probability that the ball will land on a red slot on the next spin? round to four decimal places) c) Are you equally conodent of your answers to parts (a) and (b)? Why or why not? What are the roots of the equation in simplest form? In April 1986, a flawed reactor design played a part in the Chernobyl nuclear meltdown. Approximately 14252 becqurels (Bqs), units of radioactivity, were initially released into the environment. Only areas with less than 800 Bqs are considered safe for human habitation. The function describes the amount, , in becqurels, of a radioactive element remaining in the area years after 1986 . Find , to one decimal place, in order to determine the amount of becqurels in 2026 . For the following quadratic equation, find the discriminant. For the following quadratic equation, find the discriminant.
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