3 years ago

PLZZZ HELP ME OUT........................ PLZZ

Mathematics

2 answers:

aliina [53]3 years ago

8 0

Answer:

a) constant of proportionality is 3/5

b) 3.5cm per 1 minute

c) 21 cm water in trough after 6 min

d) 70 cm

Step-by-step explanation:

d) 21 / 6 = x / 20

7 / 3 = x / 20

2x = 140

x = 70

GREYUIT [131]3 years ago

6 0

It would be D 20 minutes water levels

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Read 2 more answers

PLZZZ HELP ME OUT........................ PLZZ​

PLZZZ HELP ME OUT........................ PLZZ