Answer:
This question is incomplete
Step-by-step explanation:
This question is incomplete. However, the dish (among the three dishes A, B and C) that has the highest temperature would make the food dish the warmest when placed on it.
The process of heat transfer that involves physical contact as described in this question is conduction. It involves the transfer of heat energy from a hot object to a less hot/cooler object. Using the question, the molecules in the top dish (which will have a high kinetic energy because of it's heat energy) will move and collide with the molecules in the food dish (which, prior to the collision, will have a low kinetic energy as a result of low thermal energy) to make it warm. This would cause the temperature in the top dish to reduce while simultaneously increasing the temperature of the food dish (as it is a form of heat transfer) thereby also increasing the kinetic energy of the molecules of the food dish. The temperature of food dish will not be more than the temperature of the top dish.
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I hope it help and have a good day
D try D OR C they are the best choice GOOD LUCK
Answer:
b. Do not reject H0. We do not have convincing evidence that the mean weekly time spent using the Internet by Canadians is greater than 12.7 hours.
Step-by-step explanation:
Given that in a study of computer use, 1000 randomly selected Canadian Internet users were asked how much time they spend using the Internet in a typical week. The mean of the sample observations was 12.9 hours.
(Right tailed test at 5% level)
Mean difference = 0.2
Std error =
Z statistic = 1.0540
p value = 0.145941
since p >alpha we do not reject H0.
b. Do not reject H0. We do not have convincing evidence that the mean weekly time spent using the Internet by Canadians is greater than 12.7 hours.
Answer:
45 dimes
Step-by-step explanation:
66 nickels = 66 x $0.5 = $3.30
$7.80 - $3.30 = $4.50
$4.50 / $0.10 = 45