Pls help show work pls
1 answer:
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It would be 
indicating we start at 5 but do NOT include 5, and we keep going onward to positive infinity.
The curved parenthesis tells us not to include the endpoint.
The curved parenthesis tells us not to include the endpoint.
Answer:
155 km
Step-by-step explanation:
As shown:
At Δ BDC which is a right triangle at ∠D
BC = 78 km
m∠CBD = 90° - 64° = 26°
cos ∠CBD = BD/BC
∴ BD = BC * cos ∠CBD = 78 * cos 26° = 70.106 km
Port C is at a distace to the east of A = AO + BD
= 85 + 70.106 = 155.106 km ≈ 155 km to the nearest km
