The sum of two variables having the same units is given by adding the magnitudes of the quantities and expressing the outcome in the units of the quantities
Daemon's speed is (v + 45) mi/h
The reason the above value for Daemon's speed is correct is as follows:
The known parameters are;
The speed with which Bill was travelling = v mi/h
The speed with which Daemon was travelling = 45 mi/h faster than Bill
Method:
By dimensional analysis, we note that the given quantities have the same units, and therefore, they represent the same quantity of speed
To find Daemon's speed, the amount by which his speed is more than that of Bill's speed is added to the given amount of Bill's speed as follows;
Solution:
Daemon's speed = v mi/h + 45 mi/h = (v + 45) mi/h
Learn more about variable addition here:
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The answer is c because the a and b work together to combined a like for
no because it is not a right angled triangle.
this means angle A is not 90° so AB cant be a tangent.
C
5 is 1/3 of 15 and 1 is 1/3 of 3 so C would be correct
Answer:
the correct answer is the third one
Step-by-step explanation:
