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earnstyle [38]
3 years ago
8

an airplane completed 900 miles of a 1200-mile flight. What percent of the trip remains to be completed?

Mathematics
1 answer:
blagie [28]3 years ago
7 0

The percent is 1.3%

you have to divide

1,2000/900

and you will get 1.3

then go back and check your answer by multiplying 1.3 by 900

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3 years ago
The graph of f is shown. find and interpret f(45).
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The function represents the number of accidents (f(x)) per 50 million miles driven as a function of the driver's age (x).

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f(45) indicates that you have to find the value of f(x) when x=45, to do so replace the equation of the function with the value of x and solve for f(x)

\begin{gathered} f(x)=0.4x^2-36x+1000 \\ f(45)=0.4(45)^2-36\cdot45+1000 \\ f(45)=0.4\cdot2025-1620+1000 \\ f(45)=810-1620+1000 \\ f(45)=190 \end{gathered}

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