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Schach [20]
2 years ago
6

Decide what can be used to determine the equation of a line when you have two points, but no slope.

Mathematics
2 answers:
Ganezh [65]2 years ago
7 0

Answer:

Slope formula!

Step-by-step explanation:

You'd use that to find the slope!! THEN you'd use slope intercept form, but this one first!

I really hope this helped!! Have a good day :)

Rus_ich [418]2 years ago
7 0

Answer:

slope formula, then use one of the given points to find the equation

Step-by-step explanation:

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<h2>Explanation:</h2>

In this problem we have a pumpkin is launched from the top of a 20 foot tall platform at an initial velocity of 84 feet per second. So the height, h, of the pumpkin at time t seconds after the launch can be modeled by the equation:

h(t) = -16t^2 + 84t + 20

So this is the equation of a parabola. The maximum of this parabola occurs at its vertex. So let's find this vertex:

\text{The x-value of the vertex is}: \\ \\ t=-\frac{b}{2a} \\ \\ \\ Where: \\ \\ a=-16 \\ \\ b=84 \\ \\ c=20 \\ \\ \\ t=-\frac{84}{2(-16)} \\ \\ t=-\frac{84}{-32} \\ \\ t=\frac{21}{8}=2.625 \\ \\ h(2.625)=-16(2.625)^2+84(2.625)+20 \\ \\ h(2.625)=-110.25+220.5+20 \\ \\ h(2.625)=130.25m

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Answer:

400 people

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