The rental rate for a hedge trimmer has a one time fee of $20 plus $30 for each day of the rental. The graph shows points repres
enting the total cost of the rental.
Which linear equation, in slope-intercept form, that models the total cost of the rental over time?
A. y = 20x
B. y = 30x + 20
C. y = 30x
D. y = 20x + 30
E. y = 2x + 80
Which linear equation, in slope-intercept form, that models the total cost of the rental over time?
A. y = 20x
B. y = 30x + 20
C. y = 30x
D. y = 20x + 30
E. y = 2x + 80
2 answers:
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Answer:
PQ = 46
Step-by-step explanation:
The midsegment ST is half the length of the third side PQ , that is
ST = PQ , so
5x - 22 = (3x + 19) ← multiply both sides by 2 to clear the fraction
10x - 44 = 3x + 19 ( subtract 3x from both sides )
7x - 44 = 19 ( add 44 to both sides )
7x = 63 ( divide both sides by 7 )
x = 9
Then
PQ = 3x + 19 = 3(9) + 19 = 27 + 19 = 46