Erwan accelerates his car at 3km/h per second while overtake a lorry. if he drives with a speed of 90km/h, calculate his speed after 10 seconds. pls answer this with logical

3 km / h every second for 10 seconds = 30 km / hr

90 + 30 = 120 km / hr

3 km / h every second for 10 seconds = 30 km / hr

90 + 30 = 120 km / hr

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.