Mathematics, 10.07.2019 05:00 vladisking888
How many strings of eight english letters are there a. that contain no vowels, if letters can be repeated? b. that contain no vowels, if letters cannot be repeated? c. that start with a vowel, if letters can be repeated? d. that start with a vowel, if letters cannot be repeated? e. that contain at least one vowel, if letters can be repeated? f ) that contain exactly one vowel, if letters can be repeated? g) that start with x and contain at least one vowel, if letters can be repeated? h) that start and end with x and contain at least one vowel, if letters can be repeated?
Answers: 1
Mathematics, 21.06.2019 13:10
Which of the following would represent the sum of 3 consecutive integers if x is the first integer?
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Mathematics, 21.06.2019 16:50
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 18:30
The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base
Answers: 1
Mathematics, 21.06.2019 20:30
Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.
Answers: 3
How many strings of eight english letters are there a. that contain no vowels, if letters can be rep...
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