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Elza [17]
2 years ago
15

Probability help!

Mathematics
1 answer:
bagirrra123 [75]2 years ago
7 0

Answer:

90%

Step-by-step explanation:

Since Brandon has a 25% chance of hitting a target, and there is 8 targets, you can take 25% of 8. This will get you an answer of 2. So, in this way Brandon has a 90% chance of hitting at least one target.

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Find a solution to the following initial-value problem: dy dx = y(y − 2)e x , y (0) = 1.
Veseljchak [2.6K]

This equation is separable, as

\dfrac{\mathrm dy}{\mathrm dx}=y(y-2)e^x\implies\dfrac{\mathrm dy}{y(y-2)}=e^x\,\mathrm dx

Integrate both sides; on the left, expand the fraction as

\dfrac1{y(y-2)}=\dfrac12\left(\dfrac1{y-2}-\dfrac1y\right)

Then

\displaystyle\int\frac{\mathrm dy}{y(y-2)}=\int e^x\,\mathrm dx\implies\frac12(\ln|y-2|-\ln|y|)=e^x+C

\implies\dfrac12\ln\left|\dfrac{y-2}y\right|=e^x+C

Since y(0)=1, we get

\dfrac12\ln\left|\dfrac{1-2}1\right|=e^0+C\implies C=-1

so that the particular solution is

\dfrac12\ln\left|\dfrac{y-2}y\right|=e^x-1\implies\boxed{y=\dfrac2{1-e^{2e^x-2}}}

4 0
2 years ago
Show all steps to solve:<br> 3( 1/6+2/9) + (-2)
Alex73 [517]

Answer:

-5/6

Step-by-step explanation:

3(1/6+2/9)+(-2)

3(7/18)+(-2)     working what is in parenthesis.

7/6-2              reduced the numbers ( 3 and 18) with greatest common divisor                      .                     which is 3

-5/6                calculate the difference

6 0
3 years ago
Please answer I will give your brainliest
Dominik [7]

Answer:

I think the answer is 113

Step-by-step explanation:

Cause every angle does look the same on each side

7 0
3 years ago
Plz help me plz fugugughfufgfhvjgu
Anon25 [30]

Answer:

B is the only one i know, sorry.

Step-by-step explanation:

Hope this helped

8 0
2 years ago
If Bonzo the bunny can eat 7 pieces of romaine lettuce in 15 minutes, how many pieces can he eat in 120 minutes?
Serggg [28]

Answer:

56

Step-by-step explanation:

7 0
3 years ago
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