Find the general solution of the differential equation y'' - 2y' - 3y = -3te^(-t)
1 answer:
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Answer:
2x -3y = 21
Step-by-step explanation:
The perpendicular line will have an equation with the x- and y-coefficients swapped and one of them negated. The constant will be the value that makes the equation true at the given point.
3x +2y = 6 . . . . . given equation
2x -3y = c . . . . . . coefficients swapped, one negated
2(6) -3(-3) = c = 21 . . . . . the value of c for the given point
The desired equation is ...
2x -3y = 21
You have $1.75 left
Step-by-step explanation:
Given,
Number of quarters already have = 20
Percent of quarters found = 40% of already have
Number of quarters found =
Number of quarters found =
Number of quarters found = 8
New total = 20+8 = 28 quarters
Percent of quarters spent = 75%
Number of quarters spent =
Number of quarters spent =
Number of quarters spent = 21
Quarters left = 28-21 = 7
1 quarter = 25 cents
7 quarters = 25*7 = 175 cents
$1 = 100 cents
175 cents =
You have $1.75 left
Keywords: division, addition
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