Answer:
What is the exact value of tan(−π4)? is 20
What problem i dont see nun
Answer:
13.31 minutes
Step-by-step explanation:
800 in 30min
400 in 15 min
26 passengers in an min
346/26
13.31 minutes
Answer:
20/3 ounces of water is added.
Step-by-step explanation:
how many ounces of pure water should be added to 20 ounces of 40% solution of muriatic acid to obtain a 30% solution of muriatic acid?
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The acid is 40% of 20 ounces = 8 ounces.
0.4*20 = 8
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That same 8 ounces is to be 30%. The water will be the other 70%.
8/30 = x/100
30x = 800
x = 80/3, the total amount of the solution.
We started with 20, so 80/3 - 20 = 20/3
20/3 ounces of water is added.
Answer:
466
Step-by-step explanation:
50 + 8*52 = 466
