Graph the equations to solve the system. y=2x-5 1/2y=x-5/2
1 answer:
Answer:
all real numbers
Step-by-step explanation:
solution: all real numbers
these are the same equation
we can figure this our by multiplying the second equation by 2
so then it would come out to be
y=2x-5 as well
i attached the graph,
-5 is the y intercept and 2 is the slope since it is in slope intercept form
y=mx+b
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Answer:
a) The probability of selling less than 100 gallons (x≤1) is P=0.16.
b) The mean number of gallons is M=80 gallons.
Step-by-step explanation:
The probability of selling x, in hundred of gallons, on any day during the summer is y(x)=0.32x, in a range for x from [0;2.5].
The probability of selling less than 100 gallons (x≤1) is then:
The mean number of gallons can be calculated as: