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3 years ago

12

Negative numbers that equal -60? (I need number that multiple That equal -60)

2 answers:

Katarina [22]3 years ago

8 0

I don’t understand, do u want 2 factors that are both negative equaling -60? i don’t think that’s possible seeing as though a negative times a negative is a positive

NikAS [45]3 years ago

3 0

Answer:

-5 x -12

Step-by-step explanation:

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What is an rational number

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Center is at C(-4,6) and is tangent to the x-axis

olya-2409 [2.1K]

Answer:

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Step-by-step explanation:

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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 .

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Linear and non-homogeneous.

3 0

3 years ago

What is the value of x?<br><br><br> Enter your answer in the box

elixir [45]

X=46.2
_____________________________

99.2 + 62 = 161.2
180 -161.2 = 19.8
19.8 + 112 = 131.8
180 - 131.8 = 48.2
48.2 - 2 = 46.2

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3 years ago

Sandra bought a new coat for $49.99 and 3 skirts for $24.99 each . If the Sale tax rate is 7% to the nearest cent what is the am

Sliva [168]

Answer:

$133.71

Step-by-step explanation:

49.99 + 3(24.99)

49.99 + 74.97

124.96 (1.07) <----- sales tax

about 133.71

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3 years ago