Is the set of multiples of 4 closed under addition? Explain why or provide a counterexample if not.
A. Yes, because the sum of any two multiples of 4 is also a multiple of 4.
B. Yes, because the sum of any two multiples of 4 is also a multiple of 8.
C. No, and a counterexample is - 4 + (-8) = - 12.
D. No, and a counterexample is 26 + 16 = 42.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Is the set of multiples of 4 closed under addition? Explain why or provide a counterexample if not. A. Yes, because the sum of any two ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
What is the circumference of a circle when the radius is 9?
Answers (2)
What's 0 divided by 0?
Answers (2)
Y = 4x + 11 y = - 2x - 1
Answers (1)
2. A parking lot holds 40 cars. There are 20 cars in the lot already. Which inequality can be solved to show all the numbers of cars c that can still park in the lot? a. 20+C < 40 C. 60 b. 20+C = 40 d. 60 SC
Answers (1)
Y=1/2x+13 Equation of a parallel line? Equation of a perpendicular line? Explain how you know if two lines are parallel or perpendicular based on their equations
Answers (2)
New Questions in Mathematics
a lab technician must screen 175 slides under the microscope each week. if she works 7 hours a day, 5 days a week, how many slides, on average, must she screen in one hour?
Answers (1)
Lizzy has 30 coins that total $4.80. All of her coins are dimes, D, and quarters, Q. Which system of equations models this situation? 1) D+Q=4.80 .10D +.25Q = 30 2) D+Q=30 .10D +.25Q = 4.80 3) D+Q=30 .25D +.10Q = 4.80 4) D+Q = 4.80 .25D +. 10Q = 30
Answers (1)
What is the answer to 23*-5
Answers (1)
79.83 - 24.92 - 54.91
Answers (2)
Mr. Williams owns a stable in the countryside. He created the expression below to represent the number of horses at the stable t years after he began boarding horses. Which statement below best describes the coefficient, 30? A.
Answers (1)