15 miles and 10 hours would be what miles per hour
2 answers:
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Answer:
The answer to your question is the letter D. (x - 11)² + (y - 6)² = 72
Step-by-step explanation:
Data
Equation = ?
Center = (11, 6)
Point = (17, 12)
Process
1.- Calculate the length of the radius using the distance between two points formula.
d =
x1 = 11 y1 = 6
x2 = 17 y2 = 12
-Substitution
d =
d =
d =
d =
radius =
2.- Write the equation of the formula
(x - 11)² + (y - 6)² = ()²
Result
(x - 11)² + (y - 6)² = 72
The first thing we must do for this case is to define variables.
We have then:
x: number of slices
y: total cost
We write the linear function that relates the variables.
We have then:
Then, we evaluate the number of slices to find the total cost.
-two slices cost:
We substitute x = 2 in the given equation:
Answer:
two slices = 2.2 $
-ten slices cost:
We substitute x = 10 in the given equation:
Answer:
ten slices = 11 $
-half a slice cost:
We substitute x = 1/2 in the given equation:
Answer:
half a slice = 0.55 $