The toy rocket hits the ground when h(t) = 0.
So, h(t) = 0 = -9t^2 + 81.
Solving the equation,
-9t^2 = -81
Dividing by -9
t^2 = 9
Taking the square root.
t = 3
The answer is 3 seconds.
Answer:
81
Step-by-step explanation:
divide 1296 by 16 to get the answer
product means ___ x ____ = product
since 16 is one of the numbers and 1296 is the product, it looks like this 16x___=1296
Answer:
A.irrational
Step-by-step explanation:
because 9 can be square to 3 but 11 cant be squared at all.
Answer:
1st → 1st
2nd → 3rd
3rd → 2nd
Step-by-step explanation:
just divide the first set of student wishes to the second set of students in the same question. the 1st for example
x-ray to all students is 6/ 36= 1/6 = 1:6
for all students, you add all the students in the table
