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3 years ago

12

Select the correct answer from the drop-down menu. Consider this system of linear equations: y − x = -13 -4x + 3y = -51 The solu

tion of the system of equations is .

1 answer:

Nookie1986 [14]3 years ago

5 0

Answer:

b

Step-by-step explanation:

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Step-by-step explanation:

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4 years ago

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3 years ago

A heated piece of metal cools according to the function c(x) = (.5)^x − 11, where x is measured in hours. A device is added that

Goryan [66]

Answer:

The temperature of metal after five years = -18.96875

Step-by-step explanation:

Given : Function $c(x) = (0.5)^x-11$

where x is measured in hours

Another function is added h(x)=-x-3

therefore, the resultant function f(x)=h(x)+c(x)

$f(x) = (0.5)^x-11-x-3$

For x=5

$f(5) = (0.5)^5-11-5-3$

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$f(5) = -18.96875$

Therefore, The temperature of metal after five years = -18.96875

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