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The co-ordinates of P and Q respectively are (-9,7) and (11,12). M is on the line PQ such that PM:MQ = 2:3. L passes perpendicularly through M. What is the equation of L?

Draw a visual representation of P, Q, M and L.Work out the gradient of PQ to be 1/4.Know that the gradient of 2 lines perpendicular to each other multiplied is -1, therefore the gradient of L = -4. Work out ...
VA
Answered by Varun A. • Maths tutor
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What are the comon features of an animal cell and what are there functions?

Cytoplasm: A jelly-like material that contains dissolved nutrients and salts and structures called organelles. It is where many of the chemical reactions happen.Nucleus: Contains genetic material, including ...
EA
Answered by Emily A. • Biology tutor
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Explain how one principle that defines the biological level of analysis may be demonstrated in research

The biological level of analysis concerns with the physiological basis of cognition and behaviour. One of the defining principles includes that non-human animal research can aid our understanding of human be...
NT
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What is the difference between qui and que?

Qui and que are both relative pronouns that replace nouns and link two clauses (sentences). For example: La maison est belle and Tuas acheté la maisonYou can combine thesetwo sentences to make one single sen...
IF
Answered by Izzie F. • French tutor
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How do I differentiate a function of x and y with respect to x?

To differentiate a function of x and y, you must differentiate x as you would ordinarily, and then differentiate y as you would normally, but multiply the differentiated term by dy/dx. For terms with x and y...
HM
Answered by Hannah M. • Maths tutor
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