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Marta_Voda [28]
2 years ago
10

Evaluate.

Mathematics
2 answers:
snow_lady [41]2 years ago
8 0

Replace a and b with their given values:

(2(3/5) -1/3) / -6.75/15

2 x 3/5 = 6/5

6/5 - 1/3 = 18/15 - 5/15 = 13/15

13/15 / -6.75/15 = 13/15 x 15/-6.75  = (13 x 15) / (15 x -6.75) = 195/-101.25  = -1 25/27

Answer: -1 and 25/27

Sauron [17]2 years ago
4 0

Answer:

3 \frac{11}{27}  \\

Step-by-step explanation:

(2a -  \frac{1}{3} ) \div  \frac{b}{15}  \\ (2 \times  -   \frac{3}{5}  - \frac{1}{3} ) \div  \frac{ - 6.75}{15}  \\ (  - \frac{6}{5}  -  \frac{1}{3} ) \div  \frac{ - 6.75}{15}  \\ ( -  \frac{6 \times 3}{5 \times 3}  -  \frac{1 \times 5}{3 \times 5} ) \div  \frac{ - 6.75}{15}  \\ ( \frac{ - 18 - 5}{15} ) \div  \frac{ - 6.75}{15}  \\ - \frac{23}{15}  \div \frac{ - 6.75}{15}  \\  -  \frac{23}{15}  \times   - \frac{15}{6.75}  \\  \frac{23}{6.75}  \\  \frac{23 \times 100}{6.75 \times 100}  \\  \frac{2300}{675}  = 3 \frac{11}{27}  \\

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