2 years ago

Diego lives 1/2 mile from school. Jonah lives 5% as far from school as Diego. How far, in miles, does diego live from school?

Mathematics

1 answer:

Elden [556K]2 years ago

7 0

Answer:

The answer is .25

Step-by-step explanation:

convert 1/2 to .5 the multiply .5 by .5 which gives you .25

hope this helps

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Mr. Roper has eight teams of students in his debate class. Their grades on the last debate assignment are denoted by the set (99

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2 years ago

A population of bacteria is initially 6000. After three hours the population is 3000. If this rate of decay continues, find the

serious [3.7K]

Answer:

The equation is $A=6000e^{-0.23t}$ at a rate of -23%.

Step-by-step explanation:

Decay can be represented by the equation $A=A_0e^{rt}$ . We can find the rate at which it decays by using t=3 hours and A=3000. This means $A_0=6000$ in this context.

$A=A_0e^{rt}\\3000=6000e^{r(3)}$

$0.5=e^{(24.5)r}$

After substituting, we divided by 6000 to each side to get 0.5 on the left. Now to solve for r, we will take the natural log of both sides and use log rules to isolate r.

$ln 0.5=ln e^{(3)r}\\ln 0.5=3r (ln e)\\\frac{ln0.5}{3} =r$