The vista Marina rents boats for $25 per hour. In addition to the rental fee, there is a $12 charge for fuel. Is the number of h
2 answers:
Answer:
Not proportional.
Step-by-step explanation:
Let x represent number of hours and y represent total cost.
We have been given that the vista Marina rents boats for $25 per hour. In addition to the rental fee, there is a $12 charge for fuel.
The cost of rental for x hours would be .
The total cost of rental for x hours and fuel would be .
The equation total cost of x hours.
We know that two proportional quantities are in form , where k is constant of proportionality.
We can see that our equation is in form as it includes a constant 12.
Therefore, the number of hours for renting a boat is not proportional to the cost.
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Answer:
C=6π
Step-by-step explanation:
It is given that, two circles are identical. The radius of first circle is 2x and the diameter of other circle is 2x+3.
If identical, it means that the radius of both circles are same i.e.
Radius of both circles is 2(1.5)=3
The circumference of a circle is given by :
So, the circumference of each circle is 6π.
Answer: 0.0035
Step-by-step explanation:
Given : The readings on thermometers are normally distributed with a mean of 0 degrees C and a standard deviation of 1.00 degrees C.
i.e. and
Let x denotes the readings on thermometers.
Then, the probability that a randomly selected thermometer reads greater than 2.17 will be :_
Hence, the probability that a randomly selected thermometer reads greater than 2.17 = 0.0035
The required region is attached below .
