There was some gas in the tank. I added 13.3 gallons to it. After that, there was 21 gallons. How many gallons were in the tank
at the start?
1 answer:
Answer:
17.7
work:
-subtract to find the original number.
21 - 13.3
17.7
hope this helps! :D
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Answer: It is a perfect square root! Because 23 is the square root of 529!
Hope this it what you were wanting!
Good luck! ;)
Answer:
E. 99.7%
Step-by-step explanation:
Calculate each z-score.
z = (x − μ) / σ
z = (173 − 128) / 15
z = 3
z = (x − μ) / σ
z = (83 − 128) / 15
z = -3
You can use a z-score table, or use the empirical rule.
P(-3 < z < 3) = 99.7%.
