X=time of the third person it would take to fill the pool
We can suggest this equation:
6[(1/20) + (1/15) +(1/x)]=1
6[(3x+4x+60)/60x]=1
(7x+60)/10x=1
7x+60=10x
7x-10x=-60
-3x=-60
x=-60/-3
x=20
Answer: the third person alone would fill the pool in 20 hours .
Answer:
Store #1
Step-by-step explanation:
x = -2, x = 5
=> f(x) = a(x+2)(x-5), a ∈ R
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Answer:</h2>
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Step-by-step Explanation;</h2>
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<h2>HOPE IT HELPS!!!</h2>
<h2>I NEED BRAINLIEST ✌️</h2>
Answer:
F. a1 = –5, an = 5an-1
Step-by-step explanation:
a1 = -5 <---- Answer
r = -25/-5 = 5
an = r(an - 1)
an = 5(an - 1) <---- Answer
Hope this helps!
