Here is the math, did it on paper, sorry it’s blue. just add parenthesis around the x in the second equation and add what x equals. then solve as PEMDAS.
Ali bought 4 CDs that were each the same price. Including sales tax, he paid a total of 43.60 dollars. Of that total, 2.80 dolla
1 answer:
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Answer:
Step-by-step explanation:
Let
n -----> number of tickets
C ----> represent the cost of buy n tickets online
we have the ordered pairs
(1,16.50) and (2,30.50)
<em>Find out the slope of the linear equation</em>
The formula to calculate the slope between two points is equal to
substitute the values
<em>Find the equation of the line in slope intercept form</em>
we have
substitute
substitute
The domain of the function is all positive integers (whole numbers) including zero
{0,1,2,3,4,...}
Answer:
Step-by-step explanation:
1. 5, 3.5, ,
, -7
2. 10, π ,3.1415, 0, -10
3. 1, 1.44, 1.4(3), 1.(43),