Which per unit cost does the slope of the total cost line represent? Group of answer choices Fixed Variable. Semivariable Step-variable

Variable cost

Explanation:

The slope of a regression line is meant to represent the change in the total variable or y, as a result of a change in the number of independent observations or x.

The cost that changes during production as a result of an increase in x which is the volume of products, is the variable cost so it is the slope of the total cost line,

Slope of total cost line:

y = mx + c

y = total cost

m = variable cost. m is also slope.

x = production volume

c = fixed cost

bd = 9 cm

step-by-step explanation:

in a 30°-60°-90° triangle, the ratio of side lengths is 1 : √3 : 2. that is, the longest side (hypotenuse) is twice the length of the shortest side.

all of the triangles in your geometry are 30°-60°-90° triangles. ac is the hypotenuse of δacd, and the short side of δabc.

the short side ad of δacd will be half the length of ac, so 3 cm. the hypotenuse ab of δabc will be twice the length of ac, so 12 cm. segment bd is the difference of the lengths ab and ad, so is

bd = ab -ad

bd = 12 cm - 3 cm = 9 cm

comment on side length ratios

you can figure the ratios of side lengths in a 30°-60°-90° triangle by considering the trig ratios of the angles. or you can figure the length of the altitude of an equilateral triangle of side length 2 using the pythagorean theorem.

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