Answer:
the answer is B
Step-by-step explanation:
Hope this helps
Answer:
Step-by-step explanation:
In order to answer all this questions, you need to know that the the coefficient of performance is the amount of heat removed by the system divided by the work required by the system. Using first law of thermodynamics, the work W can be calculated with the expression , where is the heat transferred by the hot reservoir and the heat collected by the cold reservoir. Then, the expression to calculate the coefficient of performance of a refrigeration cycle would be:
Important: The temperatures must be in absolute units (Rankine or Kelvin)
a)
b)
c)
d)
e)
f)
Answer:
1/7th of the cake
Step-by-step explanation:
because you can cut it up into 7 pieces and each friend gets one and you get one too.
Answer:
Step-by-step explanation:
First add them all up to get the total amount of seats.
6+10+8=24
there are 6 seats in the front row. so that means it will be
24÷6=0.25
0.25×100=25%
Probability can be answered with a fraction, decimal or a percentage, they are all correct.
Answer:
The answer to your question is: letter B
Step-by-step explanation:
Constant term is a number alone that is not together with a variable.
Options
A. x3 +y There are 2 variables, and zero constant numbers
B. x+2y +10 Number 10 is a constant
C. y6 + 8y3 +64y This trinomial do not have any constant
D. × Letter x is a variable not a constant