4 years ago

Which of the following best defines amplitude?

Mathematics

1 answer:

DedPeter [7]4 years ago

3 0

The true answer is
one-half the height between the crest and the trough (check your physics lesson)

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On top of a hill, a rocket is launched from a distance 80 feet above a lake. The rocket will fall into the lake after its engine

Free_Kalibri [48]

The maximum height is 144 feet.

The maximum height is the y-coordinate of the vertex. To find the vertex, we first use x = -b/2a. For our information, that is x=-64/2(-16) = -64/-32 = 2.

Now we substitute this into the equation:
y = -16(2²) + 64(2) + 80 = -64 + 128 + 80 = 144

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3 years ago

Solve the following in-equations and graph the solution on the number line

OverLord2011 [107]

Answer:

Step-by-step explanation:

$\frac{x-4}{3}$ ≥ - 2