Answer:
C = 3.14 ft
Step-by-step explanation:
C = 2πr
Step 1: Define
<em>r</em> = 0.5 ft
Step 2: Substitute and Evaluate
C = 2π(0.5 ft)
C = 1π ft
C = π ft
C = 3.14 ft
The mean is 250.875.
Using this information, I can put the following into a calculator:
√(((250.875-195)²+(250.875-358)²+(250.875-201)²+(250.875-276)²+
(250.875-161)²+(250.875-301)²+(250.875-387)²+(250.875-128)²)÷8)
Which equals:
87.9878
This is the standard deviation of the MP3 players.
Answer: 1/12 or 0.083 the 3 is repeating
Step-by-step explanation:
The distributive property lets you expand the product as

Answer:
see the attached graph
Step-by-step explanation:
When an equation is in <em>standard form</em> (or almost standard form), I like to put it into <em>intercept form</em> for graphing. Here, it is convenient to divide the equation by 2 to put it in standard form (coefficients mutually prime).
x +3y = -3
Now, it is convenient to divide by the constant on the right (-3) to put the equation into intercept form:
x/(-3) +y/(-1) = 1
The denominators are the x- and y-intercepts, respectively. Plot those, (-3, 0) and (0, -1), and draw the line through them.