3 years ago

Anybody know the answer?

1 answer:

5 0

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Vilka [71]

Answer:

10,361 dolls were sold in 2001.

Step-by-step explanation:

Number of dolls sold in x years after 1993:

The number of dolls sold in x years after 1993 is given by:

$f(x) = -0.002x^4 - 0.025x^3 - 0.364x^2 - 7.243x + 86.993$

Estimate how many dolls were sold in 2001.

2001 is 2001 - 1993 = 8 years after 1993, so this is f(8).

$f(8) = -0.002*8^4 + 0.025*8^3 - 0.364*8^2 - 7.243*8 + 86.993 = 10.361$

10,361 dolls were sold in 2001.

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3 years ago

shusha [124]

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7a = 28-b-20b
7a = 28-21b
a= 28/7 - 21/7 b = 4-3b

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masya89 [10]

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Amiraneli [1.4K]

Gary because 10 to 15 rounds down to 2/3 which is greater than 3 to 5

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3 years ago