What is the value of `(29.4 + 78.24)/(5.2 xx 1.8)`
| `3.7` | `8.9` | `11.5` | `22.7` |
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Aussie Maths & Science Teachers: Save your time with SmarterEd
What is the value of `(29.4 + 78.24)/(5.2 xx 1.8)`
| `3.7` | `8.9` | `11.5` | `22.7` |
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`11.5`
| `(29.4 + 78.24)/(5.2 xx 1.8)` | `= 107.64/9.36` |
| `= 11.5` |
This calculation gives the population of quokkas on Rottnest Island in April 2021.
`(74.219-7.019)/0.08`
What was the population in April 2021?
| quokkas |
`840`
| `(74.219-7.019)/0.08` | `= 67.2/0.08` |
| `= 840\ text(quokkas)` |
This calculation gives the average speed (kilometres per hour) of a satellite over a small time interval.
`(86.365 - 5.125)/0.06`
What is the average speed of the satellite?
| kilometres per hour |
`1354\ text(kph)`
| `(86.365 – 5.125)/0.06` | `= 81.24/0.06` |
| `= 1354\ text(kph)` |
What is the value of `(74.2 + 13.56)/(6.4 xx 2.1)`
| `4.6` | `6.5` | `10.3` | `74.9` |
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`6.5`
| `87.76/13.44` | `= 6.529…` |
| `= 6.5` |