Pls need help now getting timed 9c + 1 = 10 solve step by step

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

5 0

Answer:

9c + 1 = 10

-1 -1

9c = 9

divide each side by 9

c = 1

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A model rocket is launched from the top of a building. The height(in meters) of the rocket above the ground is given by h(t)=-6t

Shalnov [3]

Answer:

Step-by-step explanation:

I don't know if you are a calculus student, but since calculus is the easiest way to solve this, that's what I used. The position equation is

$s(t)=-6t^2+24t+14$

and the velocity function, the first derivative, is

$v(t)=-12t+24$

From Physics, you should know that the velocity of an object is 0 at its highest point. That means that if we sub in a 0 for the velocity and solve for t, we find the time at which the object is at its highest point. That is:

$0=-12t+24$ and

$0=-12(t-2)$

By the Zero Product Property,

-12 definitely does not equal 0, so that means that

t - 2 = 0 and

t = 2 seconds.

So at 2 seconds, the object is at its highest point. Go back to the position function now and sub in a 2 for t to find the height of the object at 2 seconds.

$s(2)=-6(2)^2+24(2)+14$ so