Mathematics, 23.07.2019 02:30, gpere6722

Four speed skaters, marco, naim, oliver, and pedro, compete in a relay race where they all agree that naim will be the last skater. then, they try to decide whether or not oliver should be the first skater in the race. which subset, a, of the sample space shows the complement of the event in which oliver is the first skater in the race? a = {mopn, pmon} a = {opmn, ompn} a = {mopn, mpon, opmn, pomn} a = {mopn, mpon, pmon, pomn}

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So, lets see all the possible outcomes. since naim is always last, we have to order the rest of the 3. there are 6 ways to do it (two combinations for each when they are the 1st). opmn, ompn, mopn, mpon, pomn, pmon. we can easily see the set b where oliver is first; b= opmn, ompn. the complement of this set is anything that is not in this set. checking our choices, the correct choice for this is the last one; a={mopn, mpon, pomn, pmon}note: (choices 2 and 3 even have oliver as a first skater in a race, so they are dismissed immediately since the complement means that this can't hold).

answered: Guest

b is the answer that makes most sense

step-by-step explanation:

answered: Guest

"it's not the heat, it's the humidity". that's a partly valid phrase you may have heard in the summer, but it's actually both. the heat index, also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature. this has important considerations for the human body's comfort. when the body gets too hot, it begins to perspire or sweat to cool itself off. if the perspiration is not able to evaporate, the body cannot regulate its temperature. evaporation is a cooling process. when perspiration is evaporated off the body, it effectively reduces the body's temperature. when the atmospheric moisture content (i.e. relative humidity) is high, the rate of perspiration from the body decreases. in other words, the human body feels warmer in humid conditions. the opposite is true when the relative humidity decreases because the rate of perspiration increases. the body actually feels cooler in arid conditions. there is direct relationship between the air temperature and relative humidity and the heat index, meaning as the air temperature and relative humidity increase (decrease), the heat index increases (decreases).

step-by-step explanation:

75% of the temperatures are below what value? how do you know? 75% of the temperatures are above w

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Four speed skaters, marco, naim, oliver, and pedro, compete in a relay race where they all agree tha...