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how do you know if two straight lines on a graph are parallel or perpendicular?

On a straight line graph, the lines are formed by an equation in the form y=mx + c . The m value in this equation represents the gradient, and the c value is the y-intersect.If two lines are parallel, this m...
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Answered by Annie T. • Maths tutor
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How accurate is it to say that the Pilgrimage of Grace of 1536 was a reaction to Henry VIII's dissolution of the monasteries?

Intro- Make your main argument (e.g. Although the dissolution of the monasteries was a key factor in causing the pilgrimage of grace, it could be seen as more of a spark which exacerbated underlying causes a...
Answered by • History tutor
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Discuss the functions and structures of the 3 types of blood vessels.

The 3 types of blood vessels in the body are arteries, veins and capillaries. Arteries carry oxygenated blood away from the heart to the rest of the body. Arteries need to maintain a high blood pressure in o...
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Answered by Hana N. • Biology tutor
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When do I use the Imperfect tense instead of the Perfect tense?

The imperfect and the perfect tenses in French are both ways of expressing something which happened in the past. However, you cannot use them interchangeably. The perfect tense, also known as the Passe Compo...
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Answered by Annie T. • French tutor
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Describe the structure of the heart, relating to it's function.

The heart is divided into two halves - right and left. In each half there are two chambers - an atria and a ventricle, which are connected by a valve. The right atria receives deoxygenated blood from the bod...
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Answered by Tom T. • Biology tutor
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