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Mars2501 [29]
3 years ago
10

What is the simple interest on $40,000 for 10 years at 12%?

Mathematics
2 answers:
marissa [1.9K]3 years ago
4 0

Step-by-step explanation:

simple intrerest =p×r×t 40000×10×12=48000

Y_Kistochka [10]3 years ago
4 0

Answer:

48000

Step-by-step explanation:

40000*10*12=48000

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Answer:

Thank you

Step-by-step explanation:

7 0
2 years ago
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The half-life of caffeine in a healthy adult is 4.8 hours. Jeremiah drinks 18 ounces of caffeinated
statuscvo [17]

We want to see how long will take a healthy adult to reduce the caffeine in his body to a 60%. We will find that the answer is 3.55 hours.

We know that the half-life of caffeine is 4.8 hours, this means that for a given initial quantity of coffee A, after 4.8 hours that quantity reduces to A/2.

So we can define the proportion of coffee that Jeremiah has in his body as:

P(t) = 1*e^{k*t}

Such that:

P(4.8 h) = 0.5 = 1*e^{k*4.8}

Then, if we apply the natural logarithm we get:

Ln(0.5) = Ln(e^{k*4.8})

Ln(0.5) = k*4.8

Ln(0.5)/4.8 = k = -0.144

Then the equation is:

P(t) = 1*e^{-0.144*t}

Now we want to find the time such that the caffeine in his body is the 60% of what he drank that morning, then we must solve:

P(t) = 0.6 =  1*e^{-0.144*t}

Again, we use the natural logarithm:

Ln(0.6) = Ln(e^{-0.144*t})

Ln(0.6) = -0.144*t

Ln(0.6)/-0.144 = t = 3.55

So after 3.55 hours only the 60% of the coffee that he drank that morning will still be in his body.

If you want to learn more, you can read:

brainly.com/question/19599469

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A speedboat holds 12 adults and 6 children. How many people in all can go on 4 speedboat rides?
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I need this one done too! Really need help, big brain fart.
Kay [80]

6x2+1<

6x2<-1

=×2<=-1/6 B is the answer

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