![bks53](/avatars/49642.jpg)
bks53
28.09.2020 •
Mathematics
8. Which of the given sets of whole numbers is closed
under addition? If the set is not closed, give an
example of two elements from the set whose sum is not
in the set.
(a) {10, 15, 20, 25, 30, 35, 40, ...}
(b) {1, 2, 3, . . . , 1000}
(c) {0}
(d) {1, 5, 6, 11, 17, 28, ...}
(e) {n EN n 2 19}
(f) {0,3, 6, 9, 12, 15, 18, ...}
Solved
Show answers
More tips
- G Goods and services What Are the Most Popular Services?...
- O Other What is the oldest joke ever told?...
- L Legal consultation How to Properly Inherit: Tips and Recommendations...
- C Computers and Internet Boost your processor performance with these easy tips...
- S Sport How does Bodyflex work: what is it and how does it work?...
- H Health and Medicine How to Whiten Teeth and Get the Perfect Smile...
- S Style and Beauty How to Properly Apply Eye Makeup: Tips from a Professional Makeup Artist...
- A Auto and Moto How Can Parking Sensors Help Drivers?...
- C Computers and Internet Make Money Online: Secrets and Essential Ways...
- A Auto and Moto What is the Average Lifespan of an Engine in a Car?...
Answers on questions: Mathematics
- M Mathematics Write the slope-intercept form of the equation of the line. х y -2 -4 -1 -1 0 2 1 5 2 8...
- M Mathematics Find the perimeter of each figure shown. Round your answer to the nearest tenth. 15° 36° 28...
- M Mathematics Please help? Thanks if you do cause I really need it :))...
- M Mathematics Please help me need help asap...
- M Mathematics Which other expression has the same value as (-14) - (-8)? Explain your reasoning. *...
- M Mathematics Earth s diameter is approximately 1.2756 x 104 kilometers. The surface area of a sphere can be found using the formula SA = 4(pie)r^2. What is the approximate surface...
- M Mathematics Name 3 gay straight dudes...
- M Mathematics Functions:Question 1 What is the domain of the exponential function graphed below?...
- M Mathematics a eqation for a student has a saving acount with 475 in it. she depsots 125 of her paycheck into the account eveyweek her goal is to save 7,000 for coullge...
- M Mathematics Write the equation of the parabola with the given characteristic. Axis of Symmetry: x= 6, Focus is 4 units above the vertex, Directrix is at y = 8. Please help!!!...
Ответ: