Answer:
Step-by-step explanation:
1. the midpoint of the side AC is:
2. if the coordinates of the points B and D are (7;3) and (0.5;2.5) respectively, then it is possible to make up the required equation of the median BD:
or
What is the missing number? 73 - 17 = 46 + ?
2 answers:
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Answer:
see explanation
Step-by-step explanation:
(1)
Calculate the slope m using the slope formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (0, 3) and (x₂, y₂ ) = (4, 0) ← 2 points on the line
m = = -
(2)
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
note the line crosses the y- axis at (0, 3) ⇒ c = 3
y = - x + 3 ← equation of line
