The path of a cannonball is a parabola modeled by the equation y=55+x-0.002x squared where x and y are both measured in feet. In
this model, the cannonball starts at the point (0,55) and travels to the right. The ground is represented by the x-axis. Sketch a graph of the cannon ball's path, and determine the horizontal distance traveled by the ball before it hits the ground.
1 answer:
Answer:
The horizontal distance traveled by the ball before it hits the ground is 550 ft
The graph in the attached figure
Step-by-step explanation:
we have
Using a graphing tool
we know that
The horizontal distance traveled by the ball before it hits the ground is equal to the horizontal distance from the origin to the x-intercept of the graph
so
The horizontal distance is 550 ft
see the attached figure
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Answer:
The number of trees in each row is 21.
Step-by-step explanation:
Let us assume the number of trees in each row = m
So, the number of rows in the orchard = Number of trees in each row + 10
or, total number of trees in each row = (10 +m)
Now, Total number of Trees = Number of Rows x Number of trees in 1 row
⇒ 651 = m (m + 10)
⇒ (m +31) = 0, or (m-21) = 0
⇒ m= -31, or m = 21
Now, as m = The number of trees in each row, so m ≠ -31
So, m = 21
Hence, the number of trees in each row is m = 21.