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-BARSIC- [3]
3 years ago
13

Please help!!!!

Mathematics
2 answers:
faltersainse [42]3 years ago
3 0

Answer:

I don't get the question...

Step-by-step explanation:

Please elaborate more...

Thank you!

Vsevolod [243]3 years ago
3 0
Not sure if this is what you’re looking for but when you have a less than or greater than sign, the circle is open.

When you have a less than or equal to or a greater than or equal to sign, the circle is colored in, or referred to as closed.
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Determine whether each first-order differential equation is separable, linear, both, or neither. 1. ????y????x+????xy=x2y2 2. y+
Mkey [24]

Answer:

a) Linear

b) Linear

c) Linear

d) Neither

See explanation below.

Step-by-step explanation:

a) \frac{dy}{dx} +e^x y = x^2 y^2

For this case the differential equation have the following general form:

y' +p(x) y = q(x) y^n

Where p(x) =e^x and q(x) = x^2 and since n>1 we can see that is a linear differential equation.

b) y + sin x = x^3 y'

We can rewrite the following equation on this way:

y' -\frac{1}{x^3} y= \frac{sin (x)}{x^3}

For this case the differential equation have the following general form:

y' +p(x) y = q(x) y^n

Where p(x) =-\frac{1}{x^3} and q(x) = \frac{sin(x)}{x^3} and since n=0 we can see that is a linear differential equation.

c) ln x -x^2 y =xy'

For this case we can write the differential equation on this way:

y' +xy = \frac{ln(x)}{x}

For this case the differential equation have the following general form:

y' +p(x) y = q(x) y^n

Where p(x) =x and q(x) = \frac{ln(x)}{x} and since n=0 we can see that is a linear differential equation.

d) \frac{dy}{dx} + cos y = tan x

For this case we can't express the differential equation in terms:

y' +p(x) y = q(x) y^n

So the is not linear, and since we can separate the variables in order to integrate is not separable. So then the answer for this one is neither.

4 0
3 years ago
Need help adding these<br><br> √54 + √24
Gennadij [26K]

Answer:

12.247 Hope I helped

Step-by-step explanation:

\sqrt{54}+\sqrt{24}  \\7.348+4.899\\12.247

8 0
4 years ago
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A fixed asset with a five-year estimated useful life and no residual value is sold at the end of the second year of its useful l
DerKrebs [107]

Answer:

Gain: (Decrease)

Loss:

(Increase)

Step-by-step explanation:

5 0
3 years ago
A pyramid has all sides that are equilateral triangles. Each triangle has side lengths of 9 centimeters. If the surface area of
almond37 [142]
Obviously it would be 38
3 0
3 years ago
Can somebody help me please this is my last question i need to submit this!! help!!
Naily [24]
Both the vertical and horizontal cross-section would be a square.  The cross-sections are the same because all of a cube's dimensions are the same.  A cube is made up of 6 congruent square faces.
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