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Helga [31]
3 years ago
12

1a. Javier jogs 3/4 of a mile in 8 1/2 minutes.

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
7 0

Answer: 18/7

Step-by-step explanation: random.

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Consider this sphere side the inder
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Answer:a,c,e

Step-by-step explanation:

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M mr. Brown has $410,000 in a retirement account that earns 3.85% interest each year. Find the amount earned each year by his in
Maslowich
Ok you first turn percent into a decimal so 3.85 would become .0385 then you multiply 410,000 by .0385 and add your awnser to 410,000 to have your final awnser witch is 425,785
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I need help. What is 9 - 3 / 1/3 + 1?
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On a coordinate plane, 2 lines intersect around (0.4, 2.8). The graph on the left represents a system of equations. How can the
kompoz [17]

Answer:

How can the solution be located?

find the intersection

Which integers is the x-coordinate between?

0 and 1

Which integers is the y-coordinate between?

2 and 3

What is the solution approximated to the tenths place?

(0.4,2.8)

Step-by-step explanation:

3 0
3 years ago
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Verify that P = Ce^t /1 + Ce^t is a one-parameter family of solutions to the differential equation dP dt = P(1 − P).
NemiM [27]

Answer:

See verification below

Step-by-step explanation:

We can differentiate P(t) respect to t with usual rules (quotient, exponential, and sum) and rearrange the result. First, note that

1-P=1-\frac{ce^t}{1+ce^t}=\frac{1+ce^t-ce^t}{1+ce^t}=\frac{1}{1+ce^t}

Now, differentiate to obtain

\frac{dP}{dt}=(\frac{ce^t}{1+ce^t})'=\frac{(ce^t)'(1+ce^t)-(ce^t)(1+ce^t)'}{(1+ce^t)^2}

=\frac{(ce^t)(1+ce^t)-(ce^t)(ce^t)}{(1+ce^t)^2}=\frac{ce^t+ce^{2t}-ce^{2t}}{(1+ce^t)^2}=\frac{ce^t}{(1+ce^t)^2}

To obtain the required form, extract a factor in both the numerator and denominator:

\frac{dP}{dt}=\frac{ce^t}{1+ce^t}\frac{1}{1+ce^t}=P(1-P)

3 0
3 years ago
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