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sleet_krkn [62]
3 years ago
12

A lottery has a prize valued at $2400 and k tickets are sold at $2.00 each. Express the expected value of a ticket as function o

f k.
Mathematics
2 answers:
Troyanec [42]3 years ago
4 0
K(2)=2400 I think that’s right
NeTakaya3 years ago
4 0
Answer:1200 tickets

Step by step solution: see photo

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What is the measure of ∠x?
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114 degrees

Step-by-step explanation:

Hi there.

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Tpy6a [65]

Answer:

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3 years ago
8x-5y=21 simultaneous linear equation<br>2x+9y=-5
olya-2409 [2.1K]

Answer:

x=2 and y=-1

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If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

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8x-5y=21              Equation:1

2x+9y=-5             Equation:2

Solving equation multiply equation 2 with 4 on both the sides

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Subtracting Equation:3 from Equation:1

8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1

Putting value of 'y' in Equation:2 which will give the value of x

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8 0
3 years ago
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