Answer:
C) 5 hours
Step-by-step explanation:
Find the mean of the sample
Add the numbers together and divide by the number of points
mean = ( 4.5 + 6.25 + 3+ 2.5+ 7 + 6.75)/6
=30/6
=5
Answer:
y = - 3(x + 2)² + 12
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
Here (h, k) = (- 2, 12), thus
y = a(x + 2)² + 12
To find a substitute (- 4, 0) into the equation
0 = a(- 2)² + 12, that is
4a + 12 = 0 ( subtract 12 from both sides )
4a = - 12 ( divide both sides by 4 )
a = - 3
y = - 3(x + 2)² + 12 ← equation in vertex form
Answer:
a).429 with all numbers repeating
b)They all repeat
Answer:
0 and 1
Step-by-step explanation:
if you look at the graph the X valuesare 0,1
It will cost $30.48 to fill a 12 gallon tank.
Step-by-step explanation:
Given,
Cost of gasoline = $2.54 per gallon
Number of gallons in tank = 12 gallons
Cost of 12 gallons = Cost of gasoline per gallon * Number of gallons
Cost of 12 gallons = 2.54 * 12
Cost of 12 gallons = $30.48
It will cost $30.48 to fill a 12 gallon tank.
Keywords: multiplication
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