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maria [59]
3 years ago
6

HELP!

Mathematics
1 answer:
Leni [432]3 years ago
7 0

He drove 14 miles per gallon.

Step-by-step explanation:

Total distance = 278.2 miles

Gasoline used = 19.6 gallons

We need to find the unit rate of gallon, therefore, we will divide the total distance covered with the gasoline used to find the distance drove with 1 gallon of gasoline.

Distance per gallon = \frac{Total\ distance}{Gasoline used}

Distance per gallon = \frac{278.2}{19.6}\\

Distance per gallon = 14.19\ miles

Rounding of to nearest whole amount;

Distance per gallon = 14 miles

He drove 14 miles per gallon.

Keywords: distance, unit rate

Learn more about distances at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

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The cost c, for manufacturing x flags is given by c=x? -24x +39. Find the number of flags manufactured if the cost is $120.
IRINA_888 [86]

9514 1404 393

Answer:

  27

Step-by-step explanation:

You want to find x when c = 120.

  120 = x^2 -24x +39

  x^2 -24x -81 = 0 . . . . . . subtract 120 to put in standard form

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Solutions are ...

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The number of flags manufactured for a cost of $120 is 27 flags.

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3 years ago
What are all the exact solutions of -3tan^2(x)+1=0? Give your answer in radians.
goldenfox [79]
   
\displaystyle\\
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\tan^2x =  \frac{-1}{-3} \\\\
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\sqrt{\tan^2x} =  \sqrt{\frac{1}{3}} \\\\
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3 years ago
Read 2 more answers
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Answer:

Step-by-step explanation:

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