The number of pipes * the time is a constant proportional to the pool size.
3*12 = 2*18 = 1*36. So one pipe would take 36 hours.
The answer for this is -12
The exact value of sin 5π/4 is 0. 0677
<h3>How to find the value</h3>
It is important to note that π = 3. 142
Let's find sin 5π
Substitute the value
sin 5π = sin (5 × 3. 142) = sin 15. 71
=
Find the sine of the number
=
=
Thus, the exact value of sin 5π/4 is 0. 0677
Learn more about trigonometric ratio here:
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High gloss : total
57 : 57+33
57 : 90
57 ÷ 3 : 90 ÷ 3
19 : 30