Answer:
Step-by-step explanation:
Answer:
x=19/10
Step-by-step explanation:
abcdefghijklmnopqrstuvwxyz
I believe the answer is AD=7.0
Hello,
I have just answered the question
gravity on earth :g=9.81 m/s²

9.81/2≈4.9


Answer 1
2)
h(t)=-4.9*t²+20*t+10
To hit the ground ht(t)=0
==> -4.9*t²+20*t+10=0
Δ=20²+4*4*10=560=23,6643...²
t=(-20-4√35)/(-4.9*2)=4,4555...(s)
t=(-20+4√35)/(-2*4.9)=-0,37391... to exclude (time must be >0)
Answer:
wearing to not wearing= 7:5
5x=30
x=6
7(6)= 42
Answer is 42
Step-by-step explanation: