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strojnjashka [21]
3 years ago
9

Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. Irene​'s car had 5.

3 gallons in the 13​-gallon tank on the coldest day of the year. Irene filled the tank with gas that cost ​$3.60 per gallon. How much did Irene spend on​ gas?
Mathematics
1 answer:
Alex787 [66]3 years ago
7 0

Answer:

$27,72

Step-by-step explanation:

The information that we have its

  • The cost gas its ​$3.60 per gallon
  • Irene​'s car had 5.3 gallons
  • Irene's car tank is 13 gallons

so now for the know, How much did Irene spend on gas?

First

The gas that its necesary for filled de tank its

13gallons-5,3gallons=7,7 gallons

The cost for 7,7 its

7,7g*3,6$/g= $27,72

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Answer:

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Step-by-step explanation:

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Answer:

0.18

Step-by-step explanation:

Given that:

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Using midpoint method:

Percentage change in quantity = \frac{Q_2-Q_1}{(Q_1+Q_2)/2} *100\%=\frac{800-900}{(900+800)/2}*100\%= -11.76\%\\

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\frac{P_2-P_1}{(P_1+P_2)/2} *100\%=\frac{20-10}{(20+10)/2}*100\%= 66.67\%\\

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The Price of elastic demand is positive because we took the absolute value and elasticity are always positive

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This means that, along the demand curve between $10 to $20, if the price changes by 1%, the quantity demanded will change by 0.18%. A change in the price will result in a smaller percentage change in the quantity demanded. For example, a 10% increase in the price will result in only a 1.8% decrease in quantity demanded and a 10% decrease in the price will result in only a 1.8% increase in the quantity demanded

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3 years ago
If f(x) = 8x2 + 4x - 12. Find f(2)<br> f(2)=
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Answer:

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Step-by-step explanation:

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