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2 years ago

BRAINLIEST!!! +15 POINTS!!! REAL ANSWERS ONLY!!!

Mathematics

2 answers:

kramer2 years ago

3 0

Answer:

Step-by-step explanation:

Yanka [14]2 years ago

3 0

The top one. Just get 1 to the left and plug into the quadratic formula

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What is the mean for the following set of data?

Softa [21]

Answer:

Step-by-step explanation:

5,7,8,10,12,12

5+7+8+10+12+12=54

54/(how many numbers there are, which is 6)=9.

Your mean value is 9.

3 0

2 years ago

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Write 1/4x-3/4y=-1 in standard form work out need asap please

Zepler [3.9K]

The answer is x - 3y = -4

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3 years ago

Consider the differential equation: xy′(x2+7)y=cos(x)+e3xy. Put the differential equation into the form: y′+p(x)y=g(x), determin

icang [17]

Answer:

Linear and non-homogeneous.

Step-by-step explanation:

We are given that

$\frac{xy'}{(x^2+7)y}=cosx+\frac{e^{3x}}{y}$

We have to convert into y'+P(x)y=g(x) and determine P(x) and g(x).

We have also find type of differential equation.

$y'=\frac{(x^2+7)y}{x}(cosx+\frac{e^{3x}}{y}}$

$y'=\frac{(x^2+7)cosx}{x}y+\frac{(x^2+7)e^{3x}}{x}$

$y'-\frac{cosx(x^2+7)}{x}y=\frac{e^{3x}(x^2+7)}{x}$

It is linear differential equation because this equation is of the form

y'+P(x)y=g(x)

Compare it with first order first degree linear differential equation

$y'+P(x)y=g(x)$

$P(x)=-\frac{cosx (x^2+7)}{x},g(x)=\frac{e^{3x}(x^2+7)}{x}$

$\frac{dy}{dx}=\frac{(x^2+7)(ycosx+e^{3x})}{x}$

Homogeneous equation

$\frac{dy}{dx}=\frac{f(x,y)}{g(x,y)}$

Degree of f and g are same.

$f(x,y)=(x^2+7)(ycosx+e^{3x}),g(x,y)=x$

Degree of f and g are not same .

Therefore, it is non- homogeneous .

Linear and non-homogeneous.

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2 years ago

The price of a technology stock was

Zina [86]

Answer:
.9%
tbh, I just guessed since I knew that it was less than 1%

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2 years ago

What is 3-1+12+3 1/5 -2.67

Sidana [21]

If I wrote it right, it should be 14.53

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3 years ago

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