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bezimeni [28]
3 years ago
9

PLEASEEE HELPPP ASAPP! THANK YOU LOTS!! <3 (7TH GRADE MATH)

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

Therefore the change in water level over the course of 9 months is a drop in level of 3.4 cm (=  -3.4 cm)

Step-by-step explanation:

i) change in water level over the course of 9 months =

   - \frac{5}{8}  - 0.4 - 0.4 - 6 - 2.9 + 3.2 + 6\frac{5}{8} - 3.2 + 0.3

 = -0.625 - 0.4 - 0.4 - 6 - 2.9 + 3.2 + 6.625 - 3.2 + 0.3

= -3.4

Therefore the change in water level over the course of 9 months is a drop in level of 3.4 cm (= - 3.4 cm)

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