calculus is hard sometimes

.4........ WW. .m. A search using the Web search engine BingTM for "asteroid" yielded 24.8 million Web sites containing that word. A search for "comet" yielded 93.0 million sites. A search for sites containing both words yielded 2.6 million sites. How many Web sites contained either "asteroid" or "comet" or both? HINT [See Example 1.] l million sites Need Help? Submit Answer ' .4..-.. WW. .m. On a particularly boring transatlantic ight, one of the authors amused himself by counting the heads of the people in the seals in front of him. He noticed that all 27 of them either had black hair or had a whole row to themselves (or both). Of this total, 25 had black hair and 6 were fortunate enough to have a whole row of seats to themselves. How many of the black-haired people had whole rows to themselves? people N... Help? 2. [0/1 Points] DETAILS PREVIOUS ANSWERS WANEFMAC6 6.3.004. 1/50 Submissions Used MY NOTES ASK YOUR TEACHER A surgical procedure requires 4 steps. The first can result in 2 possible outcomes, the second in 4 possible outcomes, and the remaining two can each result in 6 possible outcomes. What is the total number of outcomes possible? X outcomes Need Help? Read It Watch It Talk to a Tutor Submit Answer 3. [-/1 Points] DETAILS WANEFMAC6 6.3.016. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER At the beginning of 2002, an ice cream shop claimed to have "nearly 907 different ice cream flavors." Assuming that you could choose from 907 different flavors, that you could have your ice cream in a cone, a cup, or a sundae, and that you could choose from a dozen different toppings, how many different desserts could you have? desserts Need Help? Read It Talk to a Tutor 4. [-/1 Points] DETAILS WANEFMAC6 6.3.022. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Professor Oger must choose between an extra writing assignment and an extra reading assignment for the upcoming spring break. For the writing assignment, there are two essay topics to choose from and three different mandatory lengths (30 pages, 35 pages, or 40 pages). The reading topic would consist of one scholarly biography combined with one volume of essays. There are two biographies and seven volumes of essays to choose from. How many choices does she have? HINT [See Example 2.] choices Need Help? Read It Talk to a Tutor5. [l1 Points] WANEFMAC66.3.025. 0/50 Submissions Used | MYNOTES ll ASKYOURTEACHER I Professor Easy's nal examination has 8 truefalse questions followed by 3 multiple-choice questions. In each of the multiple-choice questions, you must select the correct answer from a list of ve. How many answer sheets are possible? ' choices NeeaHeIp? 6. [I1 Points] WANEFMAC6 6.3.030. 0/50 Submissions Used The local diner offers a meal combination consisting of an appetizer, a soup, a main course, and a dessert. There are six appetizers, three soups, six main courses, and six desserts. Your diet restricts you to choosing between a dessert and an appetizer. (You cannot have both.) Given this restriction, how many three-course meals are possible? i choices Need Help? 7. mm... mamasm wsoswmissiomd A variable name in the programming language BASIC'r can be either a letter or a letter followed by a decimal digitthat is, one of the numbers 0, 1, . . . , 9. How many different variables are possible? i variables Need Help? 8. [-/3 Points] DETAILS WANEFMAC6 6.3.040. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER A certain identification number is a sequence of five digits. (a) How many identification numbers are possible? numbers (b) How many of them begin with either 023 or 003? numbers (c) How many identification numbers are possible if no two adjacent digits are the same? (For example, 123-45 is permitted, but not 123-34.) numbers Need Help? Read It Talk to a Tutor 9. [-/1 Points] DETAILS WANEFMAC6 6.3.054. 0/50 Submissions Used MY NOTES ASK YOUR TEACHER Dripping wet after your shower, you have clean forgotten the combination of your lock. It is one of those "standard" combination locks, which uses a three number combination with each number in the range 0 through 39. All you remember is that the second number is either 26 or 35, while the third number ends in a 3. In desperation, you decide to go through all possible combinations using the information you remember. Assuming that it takes about 10 seconds to try each combination, what is the longest possible time you may have to stand dripping in front of your locker? sec Need Help? Read It Talk to a Tutor