Answer:
rate of change= x= 4 y= 20
slope= rise/run= change in y values/change in x values
slope= 20/4
i believe this is right, i could be wrong, i haven't done it in a long time.
The answer to your question is 24 cm³
Step-by-step explanation:
Data
Initial volume = 2/5
Additional volume = 42 cm³
Final volume = 4/7
the total volume of the glass = ?
Process
1.- Write a proportion to help you solve the problem
42 cm³ -------------------- 4/7 of the total
x ------------------- 7/7
2.- Solve the proportion
x = (7/7 x 42) / 4/7
3.- Simplification
x = 42 / 4/7
x = 168/7
x = 24 cm³
1792
32x56= 1792
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,,,,,, ,,,,,,,, ,,,,,,,,,,,,
,,,,,,,,,! ....,,,,, ..,,,.,,,,,. .......? ........!
.... .... ....!
(x + 40) * (x + 40) =
(x + 40)² =
x² + 80x + 1600
