2 years ago

How many times larger is the diameter than the radius of a circle?

Mathematics

2 answers:

UNO [17]2 years ago

6 0

The diameter is always twice the radius, so either form of the equation works.

<h2>HOPE IT HELPS❤</h2>

Effectus [21]2 years ago

4 0

Answer:

The diameter is always twice the radius.

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3 years ago

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Margaret [11]

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Step-by-step explanation:

Data

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Brine b (Bb)

$V_{Bb}=10\frac{Lt}{min}\\ Concentration(Bcb)=0.04\frac{Kg}{Lt}$

we have that per every minute the amount of solution that enters the tank is the same as the one that leaves the tank (15 Lt / min)

, then the amount of salt (y) left in the tank after (t) minutes: $y=V_{Ba}*B_{ca}+V_{Bb}*B_{cb}=5\frac{Lt}{min}*0.05\frac{Kg}{Lt}+10\frac{Lt}{min}*0.04\frac{Kg}{Lt}=\\0.25\frac{Kg}{min}+0.4\frac{Kg}{min}=0.65\frac{Kg}{min}$

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b) $y(40)=0.65\frac{Kg}{min}(40min)=26Kg$

being y(t) the amount of salt (y) per unit of time (t)

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