Dividing a number by 2 always results in a smaller number.
A.
The number is 8.
(4)
B.
The number is 5.
(2.5)
C.
The number is 2.
(1)
D.
The number is 1.
(.5)
E.
The number is -1.
(-.5)
R-22 contains chlorine.
<u>Explanation:</u>
The refrigerant R22 is mainly used for the heat absorption and removal from the space. The main application that uses this refrigerant are heat pumps, car AC, refrigerating machines, central AC, etc. It can also be referred as hydrochlorofluorocarbon 22 or HCFC 22.
Hydrogen, fluorine, carbon and chlorine are the main ingredients that is present in HCFC refrigerants.In the refrigerants like, R-123 and r-22, the potential of ozone depletion is more than 0. The presence of chlorine is more in chlorofluorocarbon(CFC). R12 is a CFC refrigerant. The refrigerants that do not contain any chlorine are R-134a, R-410A. refrigerants have an ozone depletion potential of more than zero .
Hello there.
<span>Most hamitic people went to africa
False.</span>
The solution to the equations is {(-1, -4), (2, 2)}
The system of equations graphed as shown in the attached image is made up of a quadratic function and a linear function.
A quadratic function has two solutions and it is in the form:
y = ax² + bx + c
A linear function is in the form:
y = mx + c
Therefore to find the solution set of the graphed system of equations, we need to locate the point at which the linear function intersects with the quadratic function.
Hence from the graph, the point of intersection of both functions is at {(-1, -4), (2, 2)}.
Find out more at: brainly.com/question/21484177
