Answer:
Step-by-step explanation:
h(t) = -16t² + 14400
0= -16t² + 14400
(1/-16)×-14400=-16t²(1/-16)
900=t²

30=t
Answer:
2x-1=0
Step-by-step explanation:
x-0.5=0
10x-5=0
2x-1=0
Answer:
Gabriela Mistral works as a humanitarian for
days.
Step-by-step explanation:
Gabriela Mistral was a poet, diplomat, teacher and humanitarian such that each week she worked a certain amount of days as a poet diplomat teacher and humanitarian.
Ratio is 
Let
denotes total number of days Gabriela Mistral work.
As she works 12 days as a teacher,

Total number of days 
So,
she works as a humanitarian for
days.
25.3%
you have to do 4.06-3.24
then do that number divided by the original number then times by 100
Answer:
13 cm
Step-by-step explanation:
Using the Pythagoras therorem
We get the answer as
Root of (12squared +5squared)
Root of (144+25)
Root of 169
=>13 cm