Areliability engineer has determined the reliability function for a critical solid-state power unit for use in a communications satellite is latex: \text{r(}t\text{)=10/(10+}t\text{)} ,\: t\ge0r( t )=10/(10+ t ) , t ≥ 0 and t measured in years. at least how many units must be placed in parallel in order to achieve a reliability of 0.98 for 5-years of operation?

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step-by-step explanation:

step-by-step explanation:

let's assume

number of candles set =x

price of of x candles =p(x)

we are given

a candle maker prices one set of scented candles at $10 and sells an average of 200 sets each week

so, we get point as (200,10)

he finds that when he reduces the price by $1, he then sells 50 more candle sets each week

so, we can find slope

now, we can use point slope form of line

now, we can plug values

we can use point

and find b

now, we can plug it back

and we get

now, we can find revenue

we know that

revenue = price*quantity

so, we get

i would say true? if the unit was informational and it "refreshed your understanding", then true.