Maya is researching energy costs. She made a table of the cost for different numbers of gallons of gasoline. How much will 12 ga
llon cost?
A.$7.80
B.$23.40
C. $31.20
D. not enough information
A.$7.80
B.$23.40
C. $31.20
D. not enough information
2 answers:
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Answer
Step by step explanation
Let the points be A and B
A ( 5 , 1 ) ⇒ ( x₁ , y₁ )
B ( -3 , -5 )⇒ ( x₂ , y₂ )
Now, let's find the distance between theses two points:
Distance =
Plug the values
Calculate
Evaluate the power
Add the numbers
Write the number in exponential form with a base of 10
Reduce the index of the radical and exponent with 2
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The distance formula is used to determine the distance ( d ) between two points. If the co-ordinates of the two points are ( x₁ , y₁) and ( x₂ , y₂ ) , the distance equals the square root of x₂ - x₁ squared + y₂ - y₁ squared.
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