Answer:
15x+25 ; 70
Step-by-step explanation:
Given that,
Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15.
Here, $25 is constant and $15 increases as the number of hour increase. For x hours, the cost for Fernando to clean a pool is given by :
y = 15x+25
For 3 hours,
y = 15(3)+25
= 45 + 25
= 70
So, the required option is (c) " 15x+25 ; 70 ".
Answer:
y=x-1
Step-by-step explanation:
Gradient=1
Rise/run=1/1=1
y=x+c
y intercept=-1
y=x-1
Answer:
130.56
Step-by-step explanation:
Volume of the prism is 12×5×4.25=255 in³
Volume of the cubes are 1.25³=1.953125 in³
255/1.953125 = 130.56 in³
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