U-value is generally used to rate door or window units. The lower the U-Value, the more energy efficient the system in question will be. A U-value is typically a low number because it is a rating of how much heat energy is lost or gained. If we look at the two values mathematically, U-value is the reciprocal of R-value; that is, U = 1/R and R = 1/U.
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Answer:
Step-by-step explanation:
the circumference you make it using the diameter , pi times ( 3.142 times)
C = 13* 3.142 = 40.846
3 out of 6 because there are 6 numbers altoghether on a ordinary die and there are 3 odd numbers on that die 1,3, and 5 therefore the answer is 3/6
Answer:
C. 16
Step-by-step explanation:
Set up a proportion. 12 over 8 equals 24 over x. Multiply 24 and 8 then you get 192 then divide that by 12 and you get x=16.