Answer:
Step-by-step explanation:
Given
Required
Determine the equation of perpendicular line, r
First we need to determine the slope of the given equation
Make y the subject:
The general form of an equation is:
Where:
By comparison;
Since both lines are perpendicular:
We have:
to calculate the slope of the perpendicular line
Equation of the line can be solved using:
Where
So: the equation becomes
Solve for y
Hence:
The required equation is
Answer:
Any negative number or decimal, for example, -1, or 0.5
Step-by-step explanation:
-1 multiplied by 40 turns into -40, which is less that 40
0.5 times 40 is 20, which is less that 40
Answer:
<u>B. 60 = 15a</u>
Step-by-step explanation:
A: x = 0
<u>B: a = 4</u>
C: x = 2
D: x = 36
<em>It is B because it is the only one where the equation equals A, not X.</em>
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I think it’s either 124 or 112
<span>since C = 2πr
so r=C/2π</span>
