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The perimeter of an isosceles triangle is 16cm. One of the sides equals to x+3, while the unequal one equals to x+4. Calculate the area of this triangle.

Firstly, we know that it is an isosceles triangle, meaning that 2 of its sides are equal. In this case, the uneven side is given as x+4, so we can assume that the triangle has 3 sides: AB= X+3BC= X+3AC= X+4T...
SK
Answered by Stella K. • Maths tutor
3493 Views

Why do the denominators have to be equal when adding fractions, but not when multiplying them?

When adding fractions we need to make sure that we're adding numbers that are in the same proportion.Take for example 1/2 add 1/2, if we simply added the numerator and the denominator we would get 2/4 - whic...
JS
Answered by Jacob S. • Maths tutor
3260 Views

Explain what an enzyme is and the lock and key hypothesis.

An enzyme is a biological catalyst that ensures important certain chemical reactions can take place. They speed up the rate of a reaction without being used up or changed. Maltase is an example of an enzyme ...
AH
Answered by Annie H. • Biology tutor
11660 Views

When to use commas while writing in Polish?

When we consider writing a comma, it will usually be just before the conjunctions. We DON't use commas before: i, oraz, tudzież, lub, albo, bądź, czy, ani, ni. Also when 'a' is used as an equivalent of 'i' -...
AC
Answered by Aleksandra C. • Polish tutor
4227 Views

How would you structure an answer to the question: To what extent was James I to blame for the financial issues faced during his reign? (20 marks)

INTRODUCTION: It is crucial to set out a clear argument and set the tone of your essay. This does not need to be long and you do not want to dedicate too much time to this in the exam, but you should make cl...
JC
Answered by Jemma C. • History tutor
8999 Views