A ball is thrown straight up into the air. The height of the ball t seconds after it is thrown is modeled by the equation h(t) =
1 answer:
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Answer:
15
proof on pic......................
Answer:
80 m²
Step-by-step explanation:
The area (A) of a trapezoid is calculated as
A = h (a + b)
where h is the perpendicular height between bases and a, b are the bases
Here h = 8, a = 14 and b = 6, thus
A = × 8 × (14 + 6) = 4 × 20 = 80 m²