Answer:
c = 7
Step-by-step explanation:
The sum means to add c and 9, that is
c + 9 = 16 ( subtract 9 from both sides )
c = 16 - 9 = 7
The base of 6 is the same, so add 1/2+1/2 =1
6^1 = 6
Answer:
the answer is 3 just took the test
Step-by-step explanation:
Answer:
The fifth term is 620
Step-by-step explanation:
y=40×(-2)^(n-1)
The 5th terms means n=5
y = 40 * (-2) ^ (5-1)
= 40 * (-2) ^4
= 40 * (16)
= 640
2/5 of an hour is 12 minutes