Mathematics, 19.11.2020 22:00 jgill27
A construction company is analyzing which of its older projects need renovation. Building B was built two years before building C. Building D was
built two years before building B. The product of building B's age and building D's age is at least 195. If x represents the age of building C, which
inequality represents this situation?
A. x2 + 6x +8 _> 195
B. x2 +4x +4 _>195
C. x2+8x+16_>195
D. x2 +4_>195
Answers: 2
Mathematics, 21.06.2019 19:30, apere655
Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.
Answers: 1
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