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olga nikolaevna [1]
2 years ago
7

What is the equation of line that is perpendicular to -x+2y=y and passes through (-2,1)

Mathematics
1 answer:
avanturin [10]2 years ago
3 0
Given line is x+2y=y 
slope of line ism= -1 
equation of line= (y-y1)= -1/m(x-x1) 
                            y-1=1(x+2)
                           x-y+3=0

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Evaluate the expression 11C4.
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The correct answer is: 330

Explanation:

The formula for combination is given as follows:

^nC_r = \frac{n!}{r! (n-r)!} --- (1)

Where n = 11

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Plug in the values in equation (1) and calculate:

^nC_r = \frac{n!}{r! (n-r)!} \\ ^{11}C_{4} = \frac{11!}{4! (11-4)!} \\ ^{11}C_{4} = \frac{11*10*9*8*(7!)}{4! (7)!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4*3*2*1} \\ ^{11}C_{4} = 330 \\

Hence the correct answer is 330.

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3 years ago
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For the line segment whose endpoints are A (0, 0) and B (4, 3), find the x coordinate for the point located 2 over 3 the distanc
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<h3>3.3</h3>

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