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kodGreya [7K]
3 years ago
9

Berto has $12 to put gas in his car. If gas costs $3.75 per gallon, which ordered pair relating number of gallons of gas, x, to

the total cost of the gas, y, includes the greatest amount of gas Berto can buy?
Mathematics
2 answers:
Nastasia [14]3 years ago
6 0
Berto can purchase 12/3.75 gallons, this is 3.2 gallons of gas. So the coordinate on this line would be (3.2, 12).
Good Luck! :D

Ber [7]3 years ago
5 0

Answer:

The required ordered pair is (3.2,12).

Step-by-step explanation:

Let the x be the relating number of gallons of gas and y be the total cost of the gas.

It is given that the cost of gas is $3.75 per gallon. Total cost of x gallons is

y=3.75x

Berto has $12 to put gas in his car.

y\leq 12

3.75x \leq 12

Divide both sides by 3.75.

x \leq 3.2

The maximum number of gallons of gas is 3.2 and the total cost of the gas is 12.

Therefore the required ordered pair is (3.2,12).

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7 0
3 years ago
Hi, the answer is K but can anyone show why
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Let's do 51 and 52.

51. The contrapositive has the same truth value as the original statement. That's opposed to the converse, which may or may not be true independent of the original statement.

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By the way, usually we assume 0^0=1 so the restriction that x \ne 0 isn't really necessary.  Think of the definition of a polynomial or the binomial expansion:

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3 0
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