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ycow [4]
2 years ago
13

tom put 18 gallons of mid grade gas in his truck and filled up his empty five gallon gas can with regular gas for his lawnmower

at home. he spent $59.91
Mathematics
1 answer:
k0ka [10]2 years ago
8 0

Answer:

Step-by-step explanation:

Let price of milgrade gas be x and price of lawnmower gas be y.

18x + 5y=59.51

14x+y=39.75

Isolate one variable and substitute to solve for other variable.

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kakasveta [241]

Answer:

x =  -12

y = 3

Step-by-step explanation:

1/2x + 6(x+15) = 12\\1/2x + 6x + 90 = 12\\6\frac{1}{2} x + 90 = 12\\6\frac{1}{2} x= -78\\x = -12

y = x + 15\\y = -12 + 15\\y = 3

6 0
1 year ago
Read 2 more answers
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The answer for the exercise shown above is the option  B, which is: x^{7} -4 x^{5} +2 x^{4} +4 x^{3}- 10
 
The explanation is shown below:
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(Because -10 x^{0} =-10(1)=-10. Therefore, you have that the correct option is the option B.
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2 years ago
Find the area of the square in inches2 and enter your answer below. Do not include units in your answer.
saveliy_v [14]

Answer:

11.56

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Lewis is rolling a 10-sided die 250 times. Each side of the die is labeled with a number 1 – 10. Based on the theoretical probab
oksano4ka [1.4K]
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392,000 would be the nearest <span>hundred thousand</span>
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