In the year 2009, the cost of a flat screen television can be
modeled by the equation C = -10t+ 500 where t is the
number of years since 2009. Factor this cost polynomial. Note:
Use the ^ to express exponents, for example x^2.
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step-by-step explanation:

do you have a copy of the table?

dd

step-by-step explanation:

dd

option a, c,d are correct.

step-by-step explanation:

from the given figure, it is given that z is equidistant from the sides of the triangle rst, then from triangle tzb and triangle szb, we have

tz=sz(given)

bz=zb(common)

therefore, by rhs rule,δtzb ≅δszb

by cpctc, sz≅tz

also, from δctz and δasz,

tz=sz(given)

∠tcz=∠saz(90°)

by rhs rule, δctz ≅ δasz, therefore by cpctc, ∠ctz≅∠asz

also,from δasz and δzsb,

zs=sz(common)

∠zbs=∠saz=90°

by rhs rule, δasz ≅δzsb, therefore, by cpctc, ∠asz≅∠zsb

hence, option a, c,d are correct.

20

step-by-step explanation: