Step-by-step explanation:
Step 1:
A . 5 with an exponent of 3 times 5 with an exponent of -4
= =
=
= 1/5
B . (1/4) with an exponent of 3 times (1/4) with an exponent of 2
=
C. Same as above
D.
Step 2 :
All the above expressions have a value between 1 and 2
Answer:
The time taken by both boys to complete work = 2.73 hours
Step-by-step explanation:
Time taken by rayan to dig hole = 5 hours
Time taken by castel to dig hole = 6 hours
Now the time taken by both persons working together
Put all the values in above formula we get
T = 2.73 hours
Therefore the time taken by both boys to complete work = 2.73 hours
Answer:
(a) 4 seconds
Step-by-step explanation:
The given point (4, 0) on the parabola tells you the answer to the question: the coin was in the air 4 seconds before its height is 0. It is no longer in the air at that point.
__
<em>Additional comment</em>
In order to match the rest of the problem statement, the first given x-intercept must be (-2, 0).
