A telephone company charges a $0.25 connection fee, then $0.10 per minute for
long distance calls. Which statement is
true regarding this situation?
A. The rate of change is $0.25 and minutes are
the independent variable.
B. The rate of change is $0.25 and minutes are
the dependent variable.
C. The rate of change is $0.10 per minute and
minutes are the independent variable.
D. The rate of change is $0.10 per minute and
minutes are the dependent variable.

i think the answer is seven, for if i'm being useless °ω°

step-by-step explanation:

answer: it is d

step-by-step explanation:

geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

happy to

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