14 200 × 1,57 = 22 294
22 294 - 14 200 = 8 094
The increased +8 094 sales
Answer:
scale factor = 2
Step-by-step explanation:
The scale factor is the ratio of corresponding sides, fig. B to fig. A
Consider the horizontal lengths, then
scale factor = 
= 2
Well first if he buys 24 a month that equation is 24n n = months and if he already has 523 the explicit rule is an = 24 | 24 | 24 |
--------------------
523
Answer:
a) 8 seconds
b) 3 seconds
c) 170 meters
Step-by-step explanation:
a) When the ball lands in the sea, s = -80.
-80 = 30t − 5t²
5t² − 30t − 80 = 0
t² − 6t − 16 = 0
(t + 2) (t − 8) = 0
t = -2 or 8
t = 8 seconds
b) The ball reaches its highest point when the velocity is 0 (or at the vertex of the parabola).
t = -b / (2a)
t = -30 / (2 × -5)
t = 3 seconds
c) The highest point is:
s = 30(3) − 5(3)²
s = 45
So the ball rises 45 meters, falls 45 meters, then falls 80 meters.
The total distance traveled is 45 + 45 + 80 = 170 meters.
