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Brrunno [24]
3 years ago
9

Please help I’m disliking algebra 2!!!

Mathematics
1 answer:
snow_tiger [21]3 years ago
5 0

Answer:

C.\:h(x)=2(x-9)(x+3)^2

Step-by-step explanation:

If the polynomial function has zeros at 9 with multiplicity 1, then (x-9) is a factor of the polynomial.

Also if the polynomial function has a zero at -3 with a multiplicity of 2, then

(x+3)^2 is another factor of the polynomial.

The polynomial function can therefore be written as;

h(x)=a(x-9)(x+3)^2

But the given polynomial has an a value of 2, hence the required polynomial is

h(x)=2(x-9)(x+3)^2

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Step-by-step explanation:

$140-25%=$115

So it would be $115

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What is 9 devided by 4,590
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3 years ago
A tank contains 300 liters of fluid in which 40 grams of salt is dissolved. Brine containing 1 gram of salt per liter is then pu
bonufazy [111]

Answer:

A(t) = 300 -260e^(-t/50)

Step-by-step explanation:

The rate of change of A(t) is ...

A'(t) = 6 -6/300·A(t)

Rewriting, we have ...

A'(t) +(1/50)A(t) = 6

This has solution ...

A(t) = p + qe^-(t/50)

We need to find the values of p and q. Using the differential equation, we ahve ...

A'(t) = -q/50e^-(t/50) = 6 - (p +qe^-(t/50))/50

0 = 6 -p/50

p = 300

From the initial condition, ...

A(0) = 300 +q = 40

q = -260

So, the complete solution is ...

A(t) = 300 -260e^(-t/50)

___

The salt in the tank increases in exponentially decaying fashion from 40 grams to 300 grams with a time constant of 50 minutes.

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