C. multiply the second equation by two. Then add the equations
Answer:
r = s
/2 - 3
x
/2
or
x = s
/3 − 2
r/
3
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let's first put that polynomial in standard form by descending powers of t:
![h(t)=-5t^2+54t](https://tex.z-dn.net/?f=h%28t%29%3D-5t%5E2%2B54t)
If we are looking for the times where the rocket is at a height of 26 m, we sub in a 26 for h(t) and factor to solve for t. First we get all the terms on one side of the equals sign and set it equal to zero.
![-5t^2+54t-26=0](https://tex.z-dn.net/?f=-5t%5E2%2B54t-26%3D0)
That is a second degree polynomial so you can factor it however you are most comfortable to get the values of t are:
t = .51 sec and t = 10.29 sec
Since this is a polynomial, there will be 2 values of t for this time with y being the height and x being the time. The parabola is symmetrical about the vertex so there are 2 values of t (or x) that equal height (or y).
Answer:
complex number
Step-by-step explanation:
77i is an imaginary number but once you put that 3 in the equation it turns into a complex number bc its more than just the imaginary now
The slope is -2/3 or -2 over 3