Answer: x = 1
Step-by-step explanation:
5 ( 2x - 8 ) + 15 = -15 (write the equation)
5 ( 2x - 8 ) = -30 (subtract by 15 on both sides)
2x - 8 = -6 (divide by 5 on both sides)
2x = 2 (add 8 to both sides)
x = 1 (divide by 2 on both sides)
Answer:
0.0042
Step-by-step explanation:
0.3840
- 0.3798
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0.0042
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X = √7²+4² by using Pythagoras Theory as the triangle is a right angled triangle
Answer:
It should have 20 vertices, and the name is dodecahedron