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dem82 [27]
3 years ago
5

Use mental math to find the sum. 80+40+170

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0

Answer:

290

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

MissTica3 years ago
6 0

Answer:

290

Step-by-step explanation:

80+40=120

120+170=290

290

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Answer:

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Step-by-step explanation:

Let be d(s) = 0.0056\cdot s^{2} + 0.14\cdot s, where d is the stopping distance measured in metres and s is the speed measured in kilometres per hour. The second-order polynomial is drawn with the help of a graphing tool and whose outcome is presented below as attachment.

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