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Solve these 2 equations simultaneously: 7x+y=1 and 2x squared - y=3

7x+y=1 (1) -> y= 2x 2 - 3 (3) 7x + 2x 2 -3-1=0 -> (2x-1)(x+4)=0 so 2x-1=0 so 2x=1 so x=0.5 and x+4=0 so x=-4 7(0.5)+y=1 so y=1-3.5 so y=-2.5 and 7(-4) +y=1 so -28+y=1 so y= 29 Full answer: x=0.5 y=-2.5...
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Answered by Hannah V. • Maths tutor
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How does the body control its temperature?

Thermoregulation is an example of homeostasis - the process by which the body maintains an optimum state. The body must maintain a stable temperature because extreme lows and highs of temperature can affect ...
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Answered by Dasha A. • Biology tutor
5989 Views

How do I answer an ELAT question?

Although this may seem daunting, all it takes is preparation and careful planning. Remember to ground your answer in close reading, and do not make assumptions. Choose 2 of the extracts to compare, the qyest...
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Answered by Chloe M. • ELAT tutor
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How do Sylvia Plath and Philip Larkin portray loss

Loss of human life is explored by both poets. Larkin's 'Love Songs in Age' depicts a lady who has lost someone she cared for and the lost love is kept alive through the songs. The short declarative: 'the cov...
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Answered by Chloe M. • English tutor
2707 Views

Simplify p^2×p^5

When you multiply two numbers that are the same with different exponents, the number can remain the same and the exponents are added. That is an exponents rule. This means that the answer is p^7
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Answered by Sama A. • Maths tutor
8740 Views