1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
pochemuha
3 years ago
14

Solve differential equation dy(t) / dt = -2y(t) with initial condition y = 2 when t = 1

Mathematics
1 answer:
juin [17]3 years ago
6 0

Answer:

y = 2e^[2(1 - t)]

Step-by-step explanation:

1/y . dy = -2. dt

ln(y) = -2t + c

ln(2) = -2(1) + c

c = 2 + ln(2)

ln(y) = -2t + ln(2) + 2

ln(y) - ln(2) = 2 - 2t

ln(y/2) = 2 - 2t

y/2 = e^(2 - 2t)

y = 2e^[2(1 - t)]

You might be interested in
Find the linear relationships ​
Ivenika [448]

Answer:

There is no linear relationship in this problem.

Step-by-step explanation:

When plotting the coordinates on the graph, the line curves and slopes upwards. It is not a straight line.

6 0
3 years ago
The diameter of the circle above is 20 cm. What is the circumference of the circle? (Use = 3.14.) A. 628 cm B. 314 cm C. 62.8 cm
dolphi86 [110]

To find the circumference, multiply the diameter by PI.

20 cm x 3.14 = 62.8 cm.

The answer is C.

8 0
4 years ago
Uhhhh help im extremely lost
Gemiola [76]

Answer:

B

Step-by-step explanation:

All othe the “big” numbers like 22 become small like 1 as a negative

-17<-3

8 0
3 years ago
Which of the following terms do not represent like terms 9x^2 and 5x 2x and 7y 8 and 107 a^2 and 2a
ASHA 777 [7]

Answer:

2x and 7y, because they have different variables.

Step-by-step explanation:


3 0
4 years ago
Step functions<br><br> I don’t get what’s it’s trying to tell me to do not do I know where to begin
IceJOKER [234]

Answer:

[7.8] = 8

[0.75] = 1

...

Step-by-step explanation:

step function takes the value of the greatest integer

5 0
3 years ago
Other questions:
  • I am 28,086. If I have 16 ones, how many tens do I have left?
    9·1 answer
  • Joshua's cousin pledged $12 for a charity walk. If Joshua walked 3 miles, how much did
    9·1 answer
  • After 2 years, Deion earned $270 in simple interest from a CD into which he initially deposited $6000. What was the annual inter
    13·2 answers
  • What is the measure of
    14·1 answer
  • Hi please help ): picture is included
    5·1 answer
  • Please answer this question!!! Thank you!
    7·2 answers
  • The distance between the two points rounding to the nearest tenth<br> (-8,-6) and (-3,-4)
    9·1 answer
  • Can you guys help me plz
    9·1 answer
  • How do you graph y = x + 2
    5·1 answer
  • PLEASE HELP ASAP 100 POINTS BRAINLIST
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!