KDBDDDODODEOODOOO- Question
Unit 3 Tutorials
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On his way home from the school board meeting, Keith fills up his car. He likes the idea of using
gasoline with ethánol, but thinks his car can only handle 40% ethanol. At the gas station, he can use
reqular gas with 10% ethanol or E85 fuel with 85% ethanol.
How many gallons of each type of fuel should Keith use if he wants to fill up his car with 10
gallons of fuel containing 40% ethanol?
6 gallons of regular gas with 10% ethanol;
4 gallons of E85 fuel with 85% ethanol
4 gallons of regular gas with 10% ethanol;
6 gallons of E85 fuel with 85% ethanol
8 gallons of reqular gas with 10% ethanol:
2 gallons of E85 fuel with 85% ethanol
2gallons of regular gas with 10% ethanol;
8 gallons of E85 fuel with 85% ethanol
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In tossing one coin 10 times, what are your chances for tossing a head? a tail? 2. in tossing one coin 100 times, what are your chances for tossing a head? a tail? 3. in tossing one coin 200 times, what are your chances for tossing a head? a tail? deviation = ((absolute value of the difference between expected heads and observed heads) + (absolute value of the difference between expected tails and observed tails)) divided by total number of tosses. this value should always be positive. 4. what is the deviation for 10 tosses? 5. what is the deviation for the 100 tosses? 6. what is the deviation for 200 tosses? 7. how does increasing the total number of coin tosses from 10 to 100 affect the deviation? 8. how does increasing the total number of tosses from 100 to 200 affect the deviation? 9. what two important probability principles were established in this exercise? 10. the percent of occurrence is the obtained results divided by the total tosses and multiplied by 100%. toss the coins 100 times and record your results. calculate the percent occurrence for each combination. percent head-head occurrence: percent tail-tail occurrence: percent head-tail occurrence:

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.