Your average rate of change for the interval is 3/2 or 1.5, so that should be your answer.
3+6x+3x+ 6 = 180
9x + 9 = 180
9x = 171
x = 19
Answer:
No Solution.
Step-by-step explanation:
5x-y=2
5x-y=-2
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-(5x-y)=-2
5x-y=-2
----------------
-5x+y=-2
5x-y=-2
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0=-4
no solution
Answer:
B) 60
Step-by-step explanation:
They both equal each other,
5x+15=7x-3
And solve!
15+3=7x-5x
18=2x
X=9
Plug X into the angels.
5(9)+15
45+15
60
£67.00 / 7= £9.57that’s how much cost the hat
£67.00-£9.57= £57.43
£57.43/7= £8.20 per T-shirt