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vladimir1956 [14]
3 years ago
15

Evaluate the following expression.

Mathematics
2 answers:
melisa1 [442]3 years ago
8 0

Answer:

40

Step-by-step explanation:

y = 4

z = 2

8y + 12 - 2z

8(4) + 12 - 2(2)

32 + 12 - 4

44 - 4

40

aev [14]3 years ago
4 0

Answer:

40

Step-by-step explanation:

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The number of cases of a new disease can be modeled by the quadratic regression equation y = -2x^2 + 40x + 8. What is the best p
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Answer:

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Step-by-step explanation:

Given tbe quadratic regression model :

y = -2x^2 + 40x + 8

y = number of cases of a new disease

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The predicted number of cases of a new disease in 15 years can be calculated thus ;

Put x = 15 in the equation ;

y = -2(15)^2 + 40(15) + 8

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2 years ago
Ninety percent of the seats of a flight are filled. There are 240 seats. How many seats are filled?
antoniya [11.8K]

Answer:

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Step-by-step explanation:

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