Answer:
b
Step-by-step explanation:
crab crab crab crab crab
Answer:
80
Step-by-step explanation:
A quadrilateral measured 360. if you do not know that you can multiply 360 by 2 because there are 2 triangles in a quadrilateral. Then you subtract 360 by 75,115, and 90. And you will get 80 degrees
Y= 12 -3x so if you take x as 0 y=12 x=1 y=9 x=2 y=6
(0, 12) (1,9), (2,6) are on the graph
For this we almost have the following equation:
![h = -16t ^ 2 + 25 ](https://tex.z-dn.net/?f=h%20%3D%20-16t%20%5E%202%20%2B%2025%0A)
We must match the equation to zero:
![-16t ^ 2 + 25 = 0 ](https://tex.z-dn.net/?f=-16t%20%5E%202%20%2B%2025%20%3D%200%0A)
From here, we clear the value of t.
We have then:
![16t ^ 2 = 25 t ^ 2 = 25/16](https://tex.z-dn.net/?f=16t%20%5E%202%20%3D%2025%0A%0At%20%5E%202%20%3D%2025%2F16)
We discard the negative root because we are looking for time:
Answer:
it will take him to reach the ground about:
![t = \frac{5}{4}](https://tex.z-dn.net/?f=t%20%3D%20%5Cfrac%7B5%7D%7B4%7D%20)
seconds
√2, √3, √5, √11, √21, π(Pi) are all irrational.