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nexus9112 [7]
3 years ago
14

Just need help solving. Please select A,B,C or D as an answer.

Mathematics
1 answer:
g100num [7]3 years ago
3 0
The answer is B. I hope i helped
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Find the equation of the line that passes through point A (1,7) and B (-3, -1)
amid [387]

Answer:

The equation of the line is 2 x - y + 5 = 0.

Step-by-step explanation:

Here the given points are A( 1, 7) & B( -3, - 1) -

Equation of a line whose points are given such that

( x_{1}, y_{1} ) & ( x_{2}, y_{2} )-

 y - y_{1}  = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1} }   ( x - x_{1}  )

i.e. <em> y - 7= \frac{- 1 - 7}{ -3-1}  ( x- 1)</em>

<em>       y - 7 =  \frac{- 8}{- 4} ( x -1)</em>

<em>       y - 7 =  2 ( x - 1) </em>

<em>       y - 7  =   2  x - 2</em>

<em>       2 x - y + 5 = 0</em>

Hence the equation of the required line whose passes trough the points ( 1, 7) & ( -3, -1)  is 2 x - y  + 5 = 0.

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3 years ago
A store is having a sale on used video game. Each game cost $12. Write an algebraic expression to represent the cost of buying v
alexandr1967 [171]
The algebraic expression you would write is 12v
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Tic is an isosceles triangle with a vertex angle I. if the angle of I is 70. find the measure of t.
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T + C = 110 degrees, and T=C (according to the definition of an isosceles triangle).
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