HectorSP2
22.08.2019 •
Mathematics
Graph the function f(x) = x2 - 4x – 1. which are approximate solutions for x when f(x) = 0? select three options.
-2.11
-1.86
0 -0.25
0.25
2.11
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Ответ:
D, 10m x 20m
Step-by-step explanation:
If the scale is 1cm in the diagram is 5m in real life, then:
In diagram:
Length of study area - 4cm
Breadth of study area - 2cm
In real life:
Length of student area - (4/1) x 5 = 20m
Breath of student area - (2/1) x 5 = 10m