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olga nikolaevna [1]
3 years ago
14

Help me!!!!! please

Mathematics
1 answer:
8_murik_8 [283]3 years ago
8 0

Answer:

C

Step-by-step explanation:

Cost in location A: 2n-4-2n^2

Cost in location B: \dfrac{5}{4}n-\dfrac{6}{5}n^2-\dfrac{11}{3}

Combined cost: (2n-4-2n^2)+\left(\dfrac{5}{4}n-\dfrac{6}{5}n^2-\dfrac{11}{3}\right)

Add these two polynomials. Combine the like terms:

\left(2n+\dfrac{5}{4}n\right)+\left(-2n^2-\dfrac{6}{5}n^2\right)+\left(-4-\dfrac{11}{3}\right)\\ \\=\dfrac{13}{4}n-\dfrac{16}{5}n^2-\dfrac{23}{3}\\ \\=-\dfrac{16}{5}n^2+\dfrac{13}{4}n-\dfrac{23}{3}

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