this is what I would come up with because.
y=the number of people infected
x=the number of days that have passed
Helppppppp please:( and thank you
1 answer:
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this is what I would come up with because.
y=the number of people infected
x=the number of days that have passed
Answer:
16.2
Step-by-step explanation:
The angle internal to the triangle at B is the supplement of the one shown, so is 65°. That is equal to the angle internal to the triangle at D. Since the vertical angles at C are congruent, the two triangles are similar by the AA theorem.
Corresponding sides of similar triangles are proportional, so we can write the proportion shown in the attachment:
BC/FC = DC/AC
BC = FC(DC/AC) = 21.6(7.2/9.6)
BC = 16.2 . . . . matches the first choice
