kadipom3
contestada

Can someone help?
The info is above.
The questions are below:

21(a) Circle the height of the cylinder.
8cm
10.5cm
13cm
21cm

21(b) Work our the rate of increase of the depth of the water between 6 seconds and 11 seconds.

State the units of your answer.

Can someone help The info is above The questions are below 21a Circle the height of the cylinder 8cm 105cm 13cm 21cm 21b Work our the rate of increase of the de class=

Respuesta :

mathstudent55

Answer:

21(a) 8 cm

21(b) 1.6 cm/sec

Step-by-step explanation:

21(a)

21 cm = 13 cm = 8 cm

21(b)

Increase in depth from 6 sec to 11 sec: 8 cm

Time from 6 sec to 11 sec: 11 sec - 6 sec = 5 sec

Rate = (8 cm)/(5 sec) = 1.6 cm/sec

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