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# Solve the differential equation?

Solve the differential equation y^(4)-5y"-36y=0. r^4-5r^2-36 (r^2-9)(r^2+4) r=3, -3, 2i, -2i y=c1*e^3x+c2*e^-3x+c3(cos(2x))+c4(sin(2x)) Is that the right answer? And can someone...

# Solve the equation?

Solve the equation y"'(t)-2=0 by computing successive antiderivatives.

# changing application problems into equations

the distance to Georgia is 1/2 the distance to Tennessee.

# solving inequalities

the sum of three consecutive even integers is at least 80 and at most 90. what is the largest possible combination of these three integers?

# inequalities

a car can be rented  from Johny's Car Rental for \$2000 per day with no charge for mileage or from Car Rental Exclusive for \$1000 per day plus \$20 for each kilometer driven. If a car is to be rented...

# Problem Solving Questions - Help?

1) Jennifer takes 5.9 hours to drive her car 600 km from kelowna to seattle. for the first part of the trip, her speed was 75 km/h, and for the rest of the trip her speed was 110 km/h. How long did...

# x^5+15x^4+85x^3+225x^2+274x+a-119 has exactly 5 negative roots , then the value of a can be ?

i want the solution of this question ........its a question of quadratic equations

# solve x^2+3x-4=0 using greatest common factor

I would like to solve x^2 +3x -4=0 using greatest common factor

# Sally went to the market to buy some fruit and returned with apples and plums.

She returned home with two times the number of plums than apples. If the plums cost 35 cents each and apples cost 50 cents each, and she spent a total of \$12.50 for the fruit which also included the...

# how do i simplify (2ab^-2c^-4)^-5 /(16a^-3bc^5)^2

forget how  to do this

# Help me with Differential Equations?

Solve the differential equation y"+4y=0. r^2+4=0   r=2i, -2i Now what?

# three of four numbers have a sum of 22. if the average of the four numbers is 8, what is the fourth number

word problem i need to solve for an upcoming test. I need to know how to get the answer

# Solve the differential equation?

Solve the differential equation (2xy+y^3)dx+(x^2+3xy^2-2y)dy=0. I got x^2*y+xy^3+yx^2+xy^3-y^2=C but that's not the answer. And is Differential Equations taught after Linear Algebra? If so, then...

# x+3y=7, find the y-intercept

find the y-intercept for: x+3y=7

# x+y=-12,x-y=2

should be solved with substitution method

# What constitutes a rational expression?

What constitutes a rational expression? What constitutes a rational expression? How would you explain this concept to someone unfamiliar with it?

# where do i write the thesis as a tile or in a paragraph

Essay #1: Poetry Analysis T.S. Eliot’s Old Possum’s Book of Practical Cats introduces us to a series of poems that are easy to understand for readers of all ages. The colorful cats entertain us...

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