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3 years ago

Need help ASAP Thankss + BRAINLIST only for correct answer

Mathematics

1 answer:

Murrr4er [49]3 years ago

3 0

Answer:

(2, 0)

Step-by-step explanation:

Given the simultaneous equation

2x-y = 4

3x+y = 6

Add both equation

2x+3x = 4 + 6

5x = 10

x = 10/5

x = 2

Substitute x = 2 into equation 1

From1 ;

2x-y = 4

2(2) - y = 4

4 - y = 4

y = 4-4

y = 0

Hence the solution to the system of equation is (2, 0)

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3 years ago

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Evaluate C_n.xP^xQn-x For the given n=7, x=2, p=1/2

r-ruslan [8.4K]

Answer:

The value of given expression is $\frac{21}{128}$ .

Step-by-step explanation:

Given information: n=7, x=2, p=1/2

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The given expression is

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It can be written as

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Substitute n=7, x=2, p=1/2 and q=1/2 in the above formula.

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