Answer:
THE FIRST AND THIRD ONE
Step-by-step explanation:
You devide 60 by the amount of points you could put. For the first one you are counting up by 10s and the third one you are counting up by 20s
Answer:
Using the words strata, parallel and perpendicular and create definitions for CONCORDANT and DISCORDANT coastlines
Step-by-step explanation:
Using the words strata, parallel and perpendicular and create definitions for CONCORDANT and DISCORDANT coastlines
Answer:
2.16 s
Step-by-step explanation:
When it hits the ground, height h=0 hence
0=45-10t-5t^{2}
5t^{2}+10t-45=0
t^{2}+2t-9=0
Using quadratic formula
x=-1+\sqrt 10\\ x=-1-\sqrt 10
Since time can't be negative, -1+\sqrt 10
t=2.16 s
No you can not do get 30 with the sum of 3 odd numbers