Answer: Neil Armstrong
Step-by-step explanation:
Year: July 20 1969
Age:38
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➷ We need to use this formula:
percentage change = (difference/original) x 100
Substitute the values in:
percentage change = (0.5/3.2) x 100
Solve:
percentage change = 15.625
To the nearest tenth, it would round to 15.6%
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For 4 h and 48 min. The first pipe fills the whole pool for 8 hours so from here we see that it fills 1/8 each hour. The second pipe fills it for 12 hours so it fills 1/12 each hour. Now both of them together fill 1/8 + 1/12 of the pool each hour. That equals: 1st pipe 3/24 of the pool each hour and the 2nd pipe 2/24 of the pool each hour. So, the two pipes together fill 3/24 + 2/24 each hour. That's 5/24 of the pool each hour.
1st hour: 5/24
2nd hour: 10/24
3rd hour: 15/24
4th hour: 20/24
And we need 4/24 more. So, if 5/24 is 1 h, then 1/24 is (60 minutes/5) 12 minutes. We need 4*1/24 and that is 12 minutes * 4 and that is 48 minutes.
So, they will fill the pool for 4 h and 48 min.
Answer:
C THE ANSWER IS C
Step-by-step explanation:
Answer:
C=1 ft
Step-by-step explanation:
c2= a2 + b2 - 2ab
= 8^(2) + 7^(2) - 2(8)(7)
= 113 -112
c2= 1 put a square root on c2 and 1
c = 1