Use division or long division (ignore the decimal point)
Then put the decimal in the same spot as the dividend (the number being divided)
Answer:
n = 6
Step-by-step explanation:
17n + 4n - 4 =122
combine like terms 17n & 4n
21n - 4 = 122
21n - 4 + 4 = 122 + 4
21n = 126
21n / 21 = 126 / 21
n = 6
Answer: 2.11 s
Step-by-step explanation:
Given
Equation of rockets height is given by

Height will be zero once the rocket lands on the ground
So, we can write
Not all prime numbers are odd, 2 is not odd and it's a prime number