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just olya [345]
3 years ago
9

How many inches are in 12 feet

Mathematics
2 answers:
Tems11 [23]3 years ago
8 0
144 twelve inches are in a feet multiplying it by 12 to get 144
steposvetlana [31]3 years ago
4 0
Hello, we know there are 12 inches in one foot, so in 12 feet, there are 144 inches.
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If y=e5t is a solution to the differential equation
a_sh-v [17]

Answer:

k = 30, y(t) = C_1e^{5t}+C_2e^{6t}

Step-by-step explanation:

Since y=e^{5t} is a solution, then it must satisfy the differential equation. So, we calculate the derivatives and replace the value in the equation. We have that

\frac{d^2y}{dt^2} = 25 e^{5t},\frac{dy}{dt} = 5e^{5t}

Then, replacing the derivatives in the equation we have:

25e^{5t}-11(5)e^{5t}+ke^{5t}=0 e^{5t}(25-55+k) =0

Since e^{5t} is a positive function, we have that

25-55+k = 0 \rightarrow k = 30.

Now, consider a general solution y(t) = Ae^{rt}, A \in \mathbb{R}, then, by calculating the derivatives and replacing them in the equation, we get

Ae^{rt}(r^2-11r+30)=0

We already know that r=5 is a solution of the equation, then we can divide the polynomial by the factor (r-5) to the get the other solution. If we do so, we get that (r-6)=0. So the other solution is r=6.

Therefore, the general solution is

y(t) = C_1e^{5t}+C_2e^{6t}

8 0
3 years ago
Can you help me with this?<br> (I will give one of you brainliest)
Degger [83]

Answer:

1) \sqrt{9} and \sqrt{16} (between 3 and 4)

Explanation: \sqrt{9} and \sqrt{16} are the closest WHOLE squares root to \sqrt{12}; any other square roots wouldn't give us a whole number, or they're farther away from

2) -\sqrt{144} and -\sqrt{169} (between -(12) and -(13))

3) -\sqrt{36} and -\sqrt{49} (between -(6) and -(7))

8 0
3 years ago
Read 2 more answers
How to find HCF of 16 24 and 36 by long division method​
oee [108]

Answer:

GCF=4

Step-by-step explanation:

16/4=4

24/4=6

36/4=9

7 0
2 years ago
Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges
Arte-miy333 [17]
I cant figure it out sorry :/

3 0
3 years ago
What is the length of the side of a right triangle that has a side length of 7 cm and a hypotenuse that measures 25 cm?
Elenna [48]
It would be: 25² = 7² + b²
b² = 625 - 49
b = √576
b = 24

In short, Your Answer would be Option B

Hope this helps!
7 0
3 years ago
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