Answer:
Step-by-step explanation:
If a given variable varies inversely with another variable, an increase in the value of the given variable would cause a corresponding decrease in the value of the other variable. Also, a decrease in the value of the given variable would cause a corresponding increase in the value of the other variable.
If y varies inversely with x, we would introduce a cost of variation, k so that the expression becomes
y = k/x
When y = 0.25, x = 8
Substituting into the expression above, it becomes
0.25 = k/8
k = 0.25 × 8
k = 2
The inverse variation function is
y = 2/x
2.085 x 10^6 =
move the decimal 6 places to the right: 2,085,000
Answer:
or 
The graph in the attached figure
Step-by-step explanation:
we have
Solve for x
Adds 2 both sides
Adds 8x both sides
Divide by 8.2 both sides
Remember that
substitute
Simplify
or
The solution is the interval ------> (-∞, 45/41)
All real numbers less than 45/41
In a number line , the solution is the shaded area at left of x=45/41 (open circle)
The graph in the attached figure
Answer:
(a) Slope of Line 1 = 3
Slope of Line 2 = 3
Slope of Line 3 = -1/3
(b)
Line 1 and Line 2 = Parallel
Line 1 and Line 3 = Perpendicular
Line 2 and Line 3 = Perpendicular
Step-by-step explanation:
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