3 years ago

If x represents a given number, the expression "3 less than twice the given number"

Mathematics

1 answer:

Galina-37 [17]3 years ago

4 0

Answer:

2x-3

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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A car is 120 inches long. A truck is 60% longer than the car.<br><br> How long is the truck

ahrayia [7]

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3 years ago

Find the general solution of the given differential equation. cos^2(x)sin(x)dy/dx+(cos^3(x))y=1 g

eimsori [14]

If the given differential equation is

$\cos^2(x) \sin(x) \dfrac{dy}{dx} + \cos^3(x) y = 1$

then multiply both sides by $\frac1{\cos^2(x)}$ :

$\sin(x) \dfrac{dy}{dx} + \cos(x) y = \sec^2(x)$

The left side is the derivative of a product,

$\dfrac{d}{dx}\left[\sin(x)y\right] = \sec^2(x)$

Integrate both sides with respect to $x$ , recalling that $\frac{d}{dx}\tan(x) = \sec^2(x)$ :

$\displaystyle \int \frac{d}{dx}\left[\sin(x)y\right] \, dx = \int \sec^2(x) \, dx$

$\sin(x) y = \tan(x) + C$

Solve for $y$ :

$\boxed{y = \sec(x) + C \csc(x)}which follows from [tex]\tan(x)=\frac{\sin(x)}{\cos(x)}$ .

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2 years ago

Find the slope of the line on the graph write you answer as a fraction or a whole number not a mixed number or decimal

marysya [2.9K]

The slope is roughly -6/1
I graphed the equation y= -6/1x+4 and it looked pretty similar to the graph on your screen I hope this helps :)

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3 years ago