elicollierec
06.07.2019 •
Mathematics
Question in the attached below. @grujan50
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Ответ:
The first answer is ''Linear pair postulate''
The second answer is ''Definition of suplementary''
The third answer is ''m∡ACB+45=180''
The fourth answer is ''Subtraction Property of Equality''
The fifth answer is ''∡ACB is obtuse''
The sixth answer is ''Definition of obtuse triangle''
Good luck!!!
Ответ:
$2.43 per gallon of gas.
Step-by-step explanation:
We have been given that the amount of money it takes to fill up a gas tank varies directly with the number of gallons bought.
We know that the equation for two directly proportional quantities is in form: , where,
k = The constant of variation and y is directly proportional to x.
To find the constant of variation for our given equation, we will substitute the given values in above equation as:
Let us divide both sides of our equation by 9 gallons.
Therefore, the constant of variation is $2.43 per gallon of gas.