What is 589 + 983 math question?
2 answers:
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Answer:
Variable is a symbol that represents a quantity in a mathematical expression, as used in many sciences. Variable (research), a logical set of attributes. Variable star, a type of astronomical star.
A constant, sometimes also called a "mathematical constant," is any well-defined real number which is significantly interesting in some way. A function, equation, etc., is said to "be constant" (or be a constant function) if it always assumes the same value independent of how its parameters are varied.
Answer:
a) 0.5198 computers per household
b) 0.01153 computers
Step-by-step explanation:
Given:
number of computers in a home,
q = 0.3458 ln x - 3.045 ; 10,000 ≤ x ≤ 125,000
here x is mean household income
mean income = $30,000
increasing rate, = $1,000
Now,
a) computers per household are
since,
mean income of $30,000 lies in the range of 10,000 ≤ x ≤ 125,000
thus,
q = 0.3458 ln(30,000) - 3.045
or
q = 0.5198 computers per household
b) Rate of increase in computers i.e
=
or
on substituting the values, we get
or
= 0.01153 computers
Midpoint formula:
1. Point 1 (-2,2)
Point 2 (4,-1)
Midpoint: (-2+4/2, 2-1/2)
(2/2, 1/2)
(1, 1/2)
2. Point 1 (-3,-5)
Point 2 (2, 5)
Midpoint: (-3+2/2, -5+5/2)
(-1/2, 0)
Distance between two points formula:
1. Point 1 (-2, 2)
Point 2 (4, -1)
2. Point 1 (1, 2)
Point 2 (4, 7)
1. Point 1 (-2,2)
Point 2 (4,-1)
Midpoint: (-2+4/2, 2-1/2)
(2/2, 1/2)
(1, 1/2)
2. Point 1 (-3,-5)
Point 2 (2, 5)
Midpoint: (-3+2/2, -5+5/2)
(-1/2, 0)
Distance between two points formula:
1. Point 1 (-2, 2)
Point 2 (4, -1)
2. Point 1 (1, 2)
Point 2 (4, 7)