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weqwewe [10]
3 years ago
10

Find the slope of the line whose equation is 7x-2y=4

Mathematics
2 answers:
zepelin [54]3 years ago
7 0
To find the slope, we must put the equation in y = mx + b form, and m represents ur slope.

7x - 2y = 4....subtract 7x from both sides
-2y = -7x + 4 ...now divide both sides by -2
y = (-7/-2)x + (4/-2)
y = 7/2x - 2....now we have it in y = mx + b form, and since m is ur slope, ur slope in this equation is 7/2.
borishaifa [10]3 years ago
6 0

Answer:

\huge\boxed{\text{Slope: } \frac{7}{2}}

Step-by-step explanation:

In order to find the slope of this equation, we can convert it into slope-intercept form, where we can find the slope more easily.

Slope intercept form is usually in the form y=mx+b, where m is the slope and b is the y-intercept.

Let's algebraically manipulate this problem so we solve for y.

  • 7x - 2y = 4
  • -2y = 4 - 7x <em>(Subtract 7x from both sides)</em>
  • y = -2 + \frac{7}{2}x <em>(Divide both sides by -2)</em>
  • y = \frac{7}{2}x-2 <em>(Rearrange the equation</em>)

From here, we can now see our equation is y = \frac{7}{2}x-2, in the form y=mx+b. Since m is the slope, and \frac{7}{2} is m, our slope is \frac{7}{2}.

Hope this helped!

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Given that S0 and S1 are binary symbol of equal probabilty;

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P(Sn =X) = nCx p^x (1-p)^(n-1)

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P(0<= X <=3) = 10C0 × (0.5)^0 × (0.5)^10 + 10C1× (0.5)¹ × (0.5)^9 + 10C2 × (0.5)² × (0.5)^8 + 10C3(0.5)³(0.5)^7

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= 0.171887

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