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olga2289 [7]
2 years ago
15

Help me pleaseeeeeeeeee, much appreciated!!!!!!!!!!

Mathematics
1 answer:
muminat2 years ago
4 0

Step-by-step explanation:

that is quite a lot of failing TVs.

if 5% are failing, this means you have a "chance" of 5/100 = 1/20 that your TV is among them.

that means the expected costs for replacement in the next 3 years are

1750 × 1/20 = 175/2 = $87.50

minus the $200 replacement plan the expected value is of course negative :

87.5 - 200 = -$112.50

and if your TV breaks after more than 3 years, the expected value is actually -1750 - 200 = -$1,950

which is the principle of replacement plans, and why I never buy one.

but sure, for the 5% with broken TVs this pays off big time (it is kind of a lottery).

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B is your answer.
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Solve the system of equations by elimination.<br><br> 2x+8y=10<br><br> -4x-9y=-13<br><br> x = y =
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So use cancelation
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4x+16y=20
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subsittue

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Answer:  Choice C

(4, 18)

=========================================

Explanation:

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