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Solve algebraically the simultaneous equations x^2 + y^2 = 25 y – 3x = 13

First begin with rearranging the second equation to put it in terms of Y. Then substitute by putting the second equation (y=3x+13) into equation one as Y^2. Expand (3x+13)^2 and add like terms to form 10x^2 ...
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Answered by Dani L. • Maths tutor
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Can you explain the circulatory system of the blood?

The heart is divided in half by a septum, giving a right side and a left side. Both sides will also be divided again and have an atrium on the top and a ventricle on the bottom. We will begin at the left ven...
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Answered by Annabel S. • Biology tutor
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¿Piensas que es mejor ir a la universidad si quieres un buen trabajo?

En mi opinión, es mejor ir a la universidad si quieres un buen trabajo porque tendría más cualificaciones entonces sería mas empleable. También por los empleos que tienen mas reputación como un abogado o un ...
SM
Answered by Samantha M. • Spanish tutor
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Was Kennedy to blame for the Cuban Missile Crisis?

Ultimately JFK cannot be given ultimate blame but he played a significant role. Kennedy exacerbated tensions with Cuba and created a hostile situation that encouraged Soviet action in the region. This is bes...
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Answered by Sam H. • History tutor
26274 Views

What is the difference between xylem and phloem?

Plants have both xylem and phloem. The xylem is a tube which runs from the very ends of the roots to all other parts of the plant. Xylem transport water and minerals around the plant . Xylem are tough- they ...
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Answered by Britannie E. • Biology tutor
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