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7nadin3 [17]
3 years ago
11

Daniella wrote the equation shown to represent “four less than – 3.7 times a number is –11.9.” 4n – (–3.7) = 11.9 Explain her er

ror, include the correct equation in your response.
Mathematics
2 answers:
Feliz [49]3 years ago
4 0

Answer:

The coefficient of the variable should be -3.7 because of the word “times.” The words “four less than” mean that 4 will be subtracted from 3.7n. “Is” represents the equals sign, and “-11.9” is the second expression. The correct equation is -3.7n – 4 = -11.9.

Step-by-step explanation:

Pavlova-9 [17]3 years ago
3 0

well I used a calculator and came up with 2-17/12r-67/*r.

hope it helps :)

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Step-by-step explanation:

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The optimistic time, t_{o} = 25 days,

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According to PERT, the expected duration of the activity, t_{e} = \frac{t_{0}+4t_{m} +t_{p}  }{6}.

Step 2:

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