Answer:
the ans are
Step-by-step explanation:
1.= 1.25m/s
2.=30cm/s
3.=1260m
4.=50sec
not sure of 3 no
(1) His speed would be 1.25 seconds when you divide 40(speed) by 50 (distance).
(2) His average speed would be 30 seconds when I would divide the total distance, by the elapsed time.
(3) 1,260, when i multiplied 420 by 3.
(4) It will take him 50 seconds, and I got this by dividing 300 with 6.
Note:
Pls don't forget to brainliest :) Thank you!
it is C. y=3/x
4x² + 20x - 2
To evaluate (c ○ d)(x), substitute x = d(x) into c(x)
c(x² + 5x)
= 4(x² + 5x) - 2
= 4x² + 20x - 2
$4.81