Answer:
B. 54.12x38=2056.56 dollars to fill up 38 gallons.
Step-by-step explanation:
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The generic equation for a linear function can be expressed in the slope intercept form f(x) = mx + b, where m is the slope and b is the y intercept. For this problem we can first find the equation of the line. Then we substitute x = 7 to get the f(x) value, which is n at the point x = 7.
To find the equation of the linear function we first find the slope. Slope is defined as the change in f(x) divided by the change in x. As we are given a linear function, the slope at every point is the same. We can pick any two points known to find the slope.
Let's pick (3, 7) and (9, 16). The slope m is m = (16-7)/(9-3) = 9/6 = 3/2.
Now that we have the slope, we can plug in the slope and one of the points to find b. Let's use the point (3, 7).
f(x) = mx + b
7 = (1/2)(3) + b
b = 11/2
Now we can write the equation
f(x) = (1/2)x + 11/2
Plugging in x = 7 we find that f(7) = 9. n = 9
Answer= $138.98
47.86-25.20+52.75-22.04-8.50+94.11=$138.98
Answer:
True
Step-by-step explanation:
0 . 0 0 0
whole Tenths Hundredths Thousandths
Answer:
(3,-5)
Step-by-step explanation:
Given
Required
Determine G
This is calculated using the following midpoint formula;
Where
and 
Substitute these values in the formula above
Solving for 
Multiply both sides by 2
Solving for 
Multiply both sides by 2
Hence, the coordinates of G is 
