*20 POINTS QUESTION OF LIFE OR DEATH
2 answers:
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Answer:
42 units²
Step-by-step explanation:
The figure is composed of a rectangle ( middle section) and 2 triangles with the same length base and height
Area of rectangle = 7 × 4 = 28 units²
Area of 2 triangles = 2 × × 7 × 2 = 14 units²
Area of figure = 28 + 14 = 42 units²
Answer:
Step-by-step explanation:
Slope of two lines that are perpendicular to each other is 1.
If one line is , then its slope = 3 [by comparing to the linear equation y= mx+c, here m=3]
Let n be the slope of the required line, then
Equation of line with slope n and passers through (a,b) is
Equation of line with slope n= and passes through point ( 0,-4) :
Hence, Required equation :