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Prove that the lines 2y=3-x and y-2x=7 are pependicular.

We can find out whether lines are perpendicular by comparing their gradients. Each gradient should be the negative reciprocal of the other - for example, 3/2 and -2/3, or 4 and -1/4. (Writing the number as a...
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Answered by Pranavi M. • Maths tutor
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Why is Curly's wife a key character in 'Of Mice and Men'?

curly's wife is pivotal in teh novel of miceand men as steinbeck uses her to highlight the key themes of the novella. misognyny was key during the 1930s, key to the novel is teh context of the great depressi...
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Answered by Amelia R. • English tutor
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Solve 3x - 5 < 16

The first thing you should always do when approaching questions like this is to get the numbers on one side and the letters on the other. This makes the equation simpler and helps you to solve it. By adding ...
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Answered by Dannielle S. • Maths tutor
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What are the components of an atom and what are their properties?

An atoms is composed of a central NUCLEUS , with ELECTRONS occupying shells, moving around the nucleus. The nucleus is composed of PROTONS and NEUTRONS . The PROTON has a relative mass of 1 and a charge of +...
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Answered by Axel R. • Chemistry tutor
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z = 3x + 5y, if x = 7 and z = 41, what is 2y?

z = 3x + 5y 41 = 3(7) +5y 41= 21 + 5y 20 = 5y 4 = y y = 4 2y = 8
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Answered by Hannah A. • Maths tutor
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