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Sometimes you can tell by the suffix. Words ending with -chen, -lein, -ment or -teil are usually neuter. Words ending with -schaft, -ung, -keit, -heit , -in (if it's a person) or -e are usually feminine a...

The perfect tense is for actions that happened once in the past (e.g. I did) whereas the imperfect is for repeated actions (e.g. I was doing). So for something you used to do , you would use the imperfect...

For example: 3(2a + 5) + 5(a - 2)
The key is to approach this question in two steps, with the first step being to expand the brackets before then simplifying where possible. A good method for expand...

I would show the student two methods of solving this answer.The first method by:Finding two numbers that multiply to make -3 and simultaneously add to make +2.The two num...

We know that the perimeter of the triangle is 20cm and we also know the value of two of the sides of the triangle, AB=7cm and BC=4cm. We can work out the length of the third side (AC) by subtracting the k...