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aliina [53]
3 years ago
11

There are 50 tickets in a raffle bag, and 10 of the tickets belong to Gary. A ticket is chosen at random, and the ticket owner's

name is read. The ticket is mixed back into the bag. Another ticket is chosen, and the ticket owner's name is read.
What is the probability that Gary's name was read both times?
Write your answer as a percent.
Mathematics
1 answer:
IgorC [24]3 years ago
4 0
1/25 or .04% would be the correct answer

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Find the function of which is the solution of 36y"-48y'-48y=0 with initial conditions y1(0)=1. y1'(0)=0
lilavasa [31]

Answer:

y=\frac{1}{4} e^{2x}+\frac{3}{4} e^{-\frac{2}{3}x }

Step-by-step explanation:

Let,  D=\frac{d}{dx}

Now, us simplify the given differential equation and write it in terms of D,

36y''-48y'-48y=0

or, 3y''-4y'-4y=0

or, (3D^2-4D-4)y=0

We have our auxiliary equation:

3D^2-4D-4=0

or, (3D+2)(D-2)=0

or, D=2, - \frac{2}{3}

Therefore our solution is,

y=Ae^{2x}+Be^{- \frac{2}{3}x}

and, y'=2Ae^{2x}-\frac{2}{3}Be^{\frac{2}{3}x }

Applying the boundary conditions, we get,

A+B=1

2A-\frac{2}{3}B=0

Solving them gives us,

A=\frac{1}{4} ,B=\frac{3}{4}

Hence,

y=\frac{1}{4} e^{2x}+\frac{3}{4} e^{-\frac{2}{3}x }

4 0
3 years ago
Hi, I need help with this
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The value of x in the traingle is 5
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Cassie wrote some numbers in a numbers in a number pattern. 14,17,12,15,10,13,8,11. What should be th e next number in her patte
mezya [45]
The number is 6. The pattern goes -5 than +3
8 0
3 years ago
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Ummm help ig please................
AlexFokin [52]

Answer:

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Cost of 1 g of standard pack = 7.50/500

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