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prohojiy [21]
3 years ago
7

مجموع اعداد طبیعی از ۱ تا ۱۰۰ چند میشود؟​

Mathematics
1 answer:
Nuetrik [128]3 years ago
4 0

Answer:

ooh sorry bro but i can't understand. pls.. write it in english.. what subject is this???

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Question 3)

Given

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The slope m = -5/6

Using the point-slope form of the equation of a line

y-y_1=m\left(x-x_1\right)

where

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  • (x₁, y₁) is the point

In our case:

  • m = -5/6
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substituting the values m = -5/6 and the point (1, -5) in the point-slope form of the equation of the line

y-y_1=m\left(x-x_1\right)

y-\left(-5\right)=-\frac{5}{6}\left(x-1\right)

y+5=-\frac{5}{6}\left(x-1\right)

Thus, the point-slope form of the equation of the line is:

y+5=-\frac{5}{6}\left(x-1\right)

Question 4)

Given

The point (-1, 5)

The slope m = -7/2

In our case:

  • m = -7/2
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substituting the values m = -7/2 and the point (-1, 5) in the point-slope form of the equation of the line

y-y_1=m\left(x-x_1\right)

y-5=-\frac{7}{2}\left(x-\left(-1\right)\right)

y-5=-\frac{7}{2}\left(x+1\right)

Thus, the point-slope form of the equation of the line is:

y-5=-\frac{7}{2}\left(x+1\right)

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Right angles are always 90 degrees. The answer is C.
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