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How do I know the gender of a word?

In the long-term, the easiest way to remember the gender of a noun is to learn it at the same time as learning new vocabulary, this way it will only sound natural one way or the other. However, there are als...
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Answered by Alex S. • Spanish tutor
2210 Views

3^2 + 4^2 = x^2. Find x

By Pythagoras’s theorem, a 2 +b 2 = c 2 . So x 2 = 9+16=25 and so by finding the square root of 25, x=5
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Answered by Luke M. • Maths tutor
3275 Views

Find and simplify the point(s) of intersection of the curves: x^2 + y^2 =6 , y = x - 3

Substituting y = x-3 into the first equation and expanding brackets:(x-3) 2 +x 2 = 6 <=> 2x 2 -6x +9 =6 <=> 2x 2 -6x +3 =0Solving by using the quadratic formula:x=(6+- sqrt(36-4(2)(3)))/4 = (6+- ...
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Answered by Evans R. • Maths tutor
3404 Views

Explain how blood vessels help to regulate a human's body temperature (3marks)

The blood vessels dilate and widen, which means that the blood flows closer to the surface of the skin, so more heat is able to be released, which cools the overall body temperature.
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Answered by Bill C. • Biology tutor
3052 Views

Simultaneous equations - Find the values of y and x: 3

3x + 5y = 19 and4x - 2y = -18Find the common multiple for 3x and 4x to enable it to be cancelled out. In this case it would be 124(3x + 5y) = 4(19) 3(4x - 2y) = 3(-18) 12x + 20y = 76 12x - 6y = -54 12x + 20y...
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Answered by Zyen U. • Maths tutor
3648 Views