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Patrick Nonum

Patrick N.

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Leon Druch verified

Numerade educator

Use the following information to answer the next eight exercises: The Higher Education Research Institute at UCLA collected data from 203,967 incoming first-time, full-time freshmen from 270 four year colleges and universities in the U.S. 71.3% of those students replied that, yes, they believe that same-sex couples should have the right to legal marital status. Suppose that you randomly pick eight first-time, full-time freshmen from the survey. You are interested in the number that believes that same sex-couples should have the right to legal marital status. What is the probability that at least two of the freshmen reply “yes”?

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Which of these graphs are trees? A.(GRAPH NOT COPY) B.(GRAPH NOT COPY) C.(GRAPH NOT COPY) D.(GRAPH NOT COPY) E.(GRAPH NOT COPY) F.(GRAPH NOT COPY)

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Express each of these mathematical statements using predicates, quantifiers, logical connectives, and mathematical operators. a) The product of two negative real numbers is positive. b) The difference of a real number and itself is zero. c) Every positive real number has exactly two square roots. d) A negative real number does not have a square root that is a real number.

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Christopher Nilsen verified

Numerade educator

Boron-10 emits alpha particles and cesium-137 emits beta particles. Write balanced nuclear reactions for each radioactive decay.

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Bryan Valdivia verified

Numerade educator

Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably _______. a. loose connective tissue b. a tendon C. bone d. hyaline cartilage

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Darshan Maheshwari verified

Numerade educator

Starting from rest, one car accelerates to a speed of 50 km/h, and another car accelerates to a speed of 60 km/h. Can you say which car underwent the greater acceleration? Why or why not?

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Darshan Maheshwari verified

Numerade educator

A rocket rises with constant acceleration to an altitude of $85 \mathrm{km}$ at which point its speed is $2.8 \mathrm{km} / \mathrm{s}$. (a) What's its acceleration? (b) How long does the ascent take?

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Darshan Maheshwari verified

Numerade educator

The speed of light in a vacuum is approximately 0.3 $\mathrm{Gm} / \mathrm{s}$ Express the speed of light in meters per second.

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Leon Druch verified

Numerade educator

The average number of potholes per 10 miles of paved U.S. roads is 130. Assume this variable is approximately normally distributed and has a standard deviation of 5. Find the probability that a randomly selected road has a. More than 142 potholes per 10 miles b. Less than 125 potholes per 10 miles c. Between 128 and 136 potholes per 10 miles

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Cold weather A meteorologist preparing a talk about global warming compiled a list of weekly low temperatures (in degrees Fahrenheit) he observed at his southern Florida home last year. The coldest temperature for any week was 36°F, but he inadvertently recorded the Celsius value of 2°. Assuming that he correctly listed all the other temperatures, explain how this error will affect these summary statistics: a) measures of center: mean and median. b) measures of spread: range, $IQR,$ and standard deviation.

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