In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = { x | x ∈ N and 200 ≤ x ≤ 206 } B = { x | x ∈ N and 199 < x < 207 }
In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = { x | x ∈ N and 200 ≤ x ≤ 206 } B = { x | x ∈ N and 199 < x < 207 }
Solution Summary: The author explains that two sets are equal if they have the same number of elements. Set A contains all those natural numbers that are greater than 200 and less than 206.
The temperature at a point (x,y,z) of a solid E bounded by the coordinate planes and the plane
9.x+y+z = 1 is T(x, y, z) = (xy + 8z +20) degrees Celcius. Find the average temperature over
the solid. (Answer to 4 decimal places).
Average Value of a function
using 3 variables
z
1-
y
Hint: y = -a·x+1
* Oops - try again.
x
Find the saddle points
Problem #5
Section A of my math class has 110 students. Section B of my math class has 80 students.
a). If I randomly select 15 students from the combined classes, in a way that the order of my
selection does not matter, what is the probability that all 15 students can from Section A?
b). If I randomly select 15 students from the combined classes, in a way that the order of my
selection does not matter, what is the probability that all 15 students can from Section B?
c). If I randomly select 15 students from the combined classes, in a way that the order of my
selection does not matter, what is the probability that all 7 students come from section A and 8
students come from section B?
Chapter 2 Solutions
Thinking Mathematically Plus MyLab Math -- Access Card Package (7th Edition) (What's New in Service Math)
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