If a and b are any real numbers, then which of the following expressions is always positive? A) |a| B) |a + b| C) |a - b| + 1/2 D) a⏫ + b⏫ E) (a + b)⏫ 相关知识点: 试题来源: 解析CA选项:|a|的最小值为0(当a=0时),不总是正数,排除。 B...
whereeandfare prime numbers. Step 8: Identify the Values ofeandf From the parabola equation derived in the previous steps, we can find the directrix. In our case, we found: 3x+11=0 Thus, we can identify: -e=3 -f=11 Step 9: Calculate|e−f| ...
Real numbers include rational numbers like positive and negative integers, fractions, and irrational numbers. Now, which numbers are not real numbers? The numbers that are neither rational nor irrational are non-real numbers, like, √-1, 2 + 3i, and -i. These numbers include the set of ...
If x,y, and z are separated by at least one, then by subtracting the minimum space between the three variables (which is 2), x, y, and z can be chosen randomly in the interval [0,n-2]. The probability is hence ((n-2)^3)(n^3)> 12, which simplifies to n^3-12n^2+24n-...
We emphasize parallels with quantum theory and conclude that the common real numbers are, de facto, the hidden variables of classical physics. Consequently, real numbers should not be considered as "physically real" and classical mechanics, like quantum physics, is indeterministic....
If a and b are real numbers and a < b, which one of the following must be true?( ).(A)-a < -b(B)-a > -b(C)a < -b(D)-a > b 相关知识点: 试题来源: 解析B 已知a < b,且a和b为实数。 - **选项A**:-a < -b ...
Real Number Subsets in General For any set containing a quantity of n elements, the number of subsets is 2n. The set of real numbers has an infinite number of elements, and therefore the corresponding exponential of 2 is also infinite, giving an infinite numbers of subsets. ...
Decimal numbers are used to represent numbers that are smaller than the unit 1.Decimals are written to the right of the units place separated by a period.
2Real numbers x and y are chosen independently and uniformly at random from the interval [0,1]. Which of the following numbers is closest to the probability that x, y, and 1 are the side lengths of an obtuse triangle?( )A.0.21B.0.25C.0.29D.0.50E.0.79 反馈...
Is 0.8 a real number, rational number, whole number, integer, or irrational number? Are irrational numbers integers? Is the number 65.4349224 rational or irrational? Can the sum of two irrational numbers be rational? Are there more rational numbers than irrational numbers?