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dimaraw [331]
3 years ago
8

(X+3)(x+5) Expand and simplify?

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0
Answer:
X^2 + 8x + 15
bogdanovich [222]3 years ago
6 0

(x+3)(x+5)

x(x+5)+3(x+5)

x^2+5x+3x+15

\displaystyle x^2+8x+15

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The distance from the  shoreline from P the pipe from the island will reach land in order to minimize the total construction cost is 0 m, or the pipe should be routed to the point P

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We note that, cost to lay pipe in water = 2.3 × cost to lay pipe on land

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To find the cost of laying the pipeline by the various route, we multiply the water routes by 2.3 and the land routes by 1 and we get

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