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).
This picture will explain the mistake. She didn’t carry down the -2/4 and add to make sure her answer was fully correct.
Answer:
x = 21.3 repeating. so put the - on top of the 3 if you're writing it down
Answer:
42+34+14=90
Step-by-step explanation:
42 people are male
34 people study biology
14 males study biology (thats both)
Answer:
with the information you have given, the first coordinate is this:
Step-by-step explanation:
A first coordinate is on a graph, and it is the first dot, or coordinate set on the plane.
~Ren
