Darragh has a Golden Eagle coin in his collection with a mass of 13.551g. An uncirculated Gold Eagle coin has a mass of 13.714,1
1 answer:
Answer:
<em>Darragh's coin has lost 0.163 g mass. </em>
Step-by-step explanation:
Mass of Darragh's coin is 13.551 g and mass of an uncirculated coin is 13.714 g.
For finding the loss of mass, we just need to <u>subtract the mass of Darragh's coin from the mass of the uncirculated coin</u>.
So, the loss of mass for Darragh's coin will be:
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Answer:
As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.
Step-by-step explanation:
Mean of the batch:
The mean of the batch is the sum of all values divided by the number of items. So
Mean in the desired interval.
Standard deviation:
Square root of the sum of the difference squared between each term and the mean, divided by the number of items. So
As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.
Answer:
No, They are not equivalent
Step-by-step explanation:
The two expressions are only said to be equivalent if they are the same regardless of whatever value the variable(s) is.
The variable in this question is x.
To prove this, we equate both expressions:
This shows that they have the same value ONLY when x is 1.
This is why Andre says that they are equivalent, but they are not.