0=40-10t-5t^2
t^2+2t-8=0
(t+4)(t-2)=0
t=-4 (not a solution) or t=2
Answer: after 2 seconds
D is the answer
6*10*3= 180 or
6*10 = 60*3 = 180
Answer:
Step-by-step explanation:
Hence,
1 is 90o
2 is 90 - 27 = 63
3 63 angles 2 and 3 are in an isosceles triangle. They are opposite equal sides so the angles are equal.
There is no positive or negative correlation
