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log3 (9y + b) – log3 (2y – b) = 2, Find y in terms of b.

Use laws of logarithms to simplify.Log 3 ((9y+b)/(2y-b)) = 2(9y+b)/(2y-b) = 3 2 (9y+b) = 9(2y-b)9y+b = 18y-9bCollect terms.9y = 10by = 10b/9
RA
Answered by Roy A. • Maths tutor
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Please demonstrate, in a drawing of a cube, how you would shade and blend effectively using graphite pencils, utilising the different pencil grades (explaining the difference between pencil grades).

Would first have them demonstrate on the webcam how they would shade and blend on a simple drawing of a cube. Having them draw a cube will force them to consider perspective, while allowing them a simple str...
JL
Answered by Jessica L. • Art tutor
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What is the amygdala?

The amygdala is a subcortical area found in the temporal lobe, comprising part of the limbic system. It is heavily involved in emotion regulation, memory and control, especially in anger, aggression, and fea...
JS
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What can influence the development of a child’s attachment to their mother?

An attachment is a strong, emotional bond between the infant and their primary caregiver, usually the mother. Various risk and protective factors affect the development of such an attachment, contributing to...
JS
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Can you give some vocabulary for the Family theme?

mère: mother Maman: mum père: father papa: dad frère: brother frérot: bro soeur: sister soeurette: sis oncle/ tonton (more familiar) : uncle tante/ tata, tantine, tatie (more familiar) : aunt cousin/cousine:...
HC
Answered by Hélène C. • French tutor
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