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Vinil7 [7]
3 years ago
10

Como medir la altura de un arbol usando el teorema de thales

Mathematics
1 answer:
zaharov [31]3 years ago
5 0

Answer:

????

Step-by-step explanation:

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Is the given function phi(x) = x^2 - x^-1 an explicit solution to the linear equation d^2y/dx^2 - 2/x^2 y = 0? Circle your answe
mart [117]

Answer:

Yes

Step-by-step explanation:

We are given that a function \phi(x)=x^2-x^{-1}

We have to find that given function is an explicit solution to the linear equation

\frac{d^2y}{dx^2}-\frac{2}{x^2}y=0

If given function is an explicit solution of given linear equation then it satisfied the given differential equation

Differentiate w.r.t x

Then we get \phi'(x)=2x+x^{-2}

Again differentiate w.r.t x

Then we get

\phi''(x)=2-\frac{2}{x^3}

Substitute all values in the given differential equation

2-\frac{2}{x^3}-\frac{2}{x^2}(x^2-x^{-1})

=2-\frac{2}{x^3}-2+\frac{2}{x^3}=0

Hence, given function is an explicit solution of given differential equation.

Therefore, answer is yes.

3 0
3 years ago
You are training for a marathon. On the first three days of training, your run for 2,4, and 5 miles. How many miles should you r
jasenka [17]
The answer would have to be like the same as the first day, so that being said you would have to add. I think the answer is 2,2,4. hope this helps.

3 0
3 years ago
What time will it be
Ne4ueva [31]
The time will be 5:16 pm
7 0
3 years ago
Plzzzzz help me right nowI will be really thankful
Andrej [43]

If I'm not mistaken, this is cross multiplying.

The first one is 2/2 = 6/10

You will multiply 2x10= 20

Multiply 6x X= 6x

You will divide 6 into 20.

20 / 6 = 3.33333


Second:

8/x =4/11

Multiply 8 x 11= 88

Multiply 4 x X = 4x

Divide 88/4

88/4=22

4 0
3 years ago
Please help me please will give its about negative numbers ​
Vesna [10]
B) x > -3

The number line shows the dot on -3, and it is not shaded, which means that x is not equal to that number. The, the line continues into -2 and so on. This numbers are greater than -3.

So, x is greater than -3.
6 0
3 years ago
Read 2 more answers
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