Answer:
x=-6
Step-by-step explanation:
2x+y=-4
5x+3y=-6
solve :
multiply first equation by 3
6x+3y=-12
5x+3y=-6
subtract the two equations : 6x+3y-5x-3y=-12-(-6)
x=-12+6
x=-6
Answer:
It can travel 288 miles on 12 gallons.
Step-by-step explanation:
The car can travel 96 miles on 4 gallons. 12 gallons is 3 times more than 4 gallons. This means that the miles the car can travel on 12 gallons is also 3 times more than it can travel on 4 gallons. 3 * 96 = 288.
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Answer:
Step-by-step explanation:
√25 * √9 = √(5*5) * √3*3)
= 5 * 3 = 15
Answer:19%,1/5,0.23
Step-by-step explanation:
If you convert them to decimals,The numbers are .19 .20 .23
