Answer: A. The number 23 is prime, but 36 is composite.
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Explanation:
Let's go through the possible answer choices
- A) This is true because 23 only has the factors 1 and 23. So that's why 23 is prime. We can say 36 is composite since 2 is a factor, ie 36 = 2*18.
- B) This is false because 33 is not prime. Note how 33 = 3*11, showing that 3 is a factor of 33.
- C) Similar to B, the statement "21 is prime" is false. Note how 21 = 3*7.
- D) Like the other false statements, 27 is not prime because 27 = 3*9.
Answer:
B t = 9(5)
Step-by-step explanation:
for each mile the time increased by 9 minutes. So you can find the time in minutes by multiplying the number of miles by 9.
45 minutes, because you run 1 mile in 8 minutes each. so 5 miles would be 45 minutes.
Answer:
Just took the quiz, answer is 6.
Step-by-step explanation:
