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summer098890
15.01.2021 •
Mathematics
Use the drawing tools to form the correct answer on the number line.
Graph the solution to this inequality on the number line.
0.3(x-4) >-0.3
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-4 -3
-2
1
-1 0
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12 13 14 15 16
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Ответ:
8.5 cm
Step-by-step explanation:
Angles of the triangle:
x+2x+3x= 1806x= 180x= 3030°, 60° and 90°Right triangle as it has 90° angle
Sides are a, b and 19 cm
sin 30°= a/19 ⇒ a= 19 sin 30°= 19*0.5= 8.5 cm = shortest sidesin 60°= b/19 ⇒ b= 19 sin 60°= 19*0.866= 16.45 cm