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denis-greek [22]
10 months ago
9

PLEASE PLEASE PLEASE HELP +30 POINTS!

Mathematics
2 answers:
Dmitrij [34]10 months ago
7 0
It is b, d, c, and d

zavuch27 [327]10 months ago
6 0

Answer:

1.option b

2.option c

3.option non (-39/20)

4.option a

Step-by-step explanation:

1.

-7/9 x 3/5

\frac{ - 7}{9}  \times  \frac{3}{5}  \:  \\ (3 \: and \: 9 \: are \: common \: so \: we \: can \: simplify them) \\  \frac{ - 7}{3}  \times  \frac{1}{5}  \\  \frac{ - 7 \times 1}{3 \times 5}  =  \frac{ - 7}{15}

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