2026 HSC CHAT (28 Viewers)

Chileman

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like reading the question then figuring out the formula to use.
like i know how to use the formula but i dunno HOW to use the formula ygwim?
e.g this question. You have to do the formula twice for b) except how would I know that?
View attachment 46614

i missed the lesson last week, where sir went through that (cause i was sick) and we have a quiz on this tmr
for a, it's velocity of the cyclist divided by the constant acceleration of the bus

for b, use simultaneous equations

for c, use the answer u get for b i think
 

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Just a question for anyone who is doing bio? If you are asked to find the actual size of a cell and they give u a scale bar. Do you do Actual length of scale bar/ measured length of the scale bar. Then you use that scale factor and times it by the measured length of drawing to get the actual cell size. Right? I just need clarification because I feel like I'm doing it wrong
 

jane1820

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Just a question for anyone who is doing bio? If you are asked to find the actual size of a cell and they give u a scale bar. Do you do Actual length of scale bar/ measured length of the scale bar. Then you use that scale factor and times it by the measured length of drawing to get the actual cell size. Right? I just need clarification because I feel like I'm doing it wrong
calculate the cell size and then use the scale bar to be accurate (i think)
 

ellurbee

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Just a question for anyone who is doing bio? If you are asked to find the actual size of a cell and they give u a scale bar. Do you do Actual length of scale bar/ measured length of the scale bar. Then you use that scale factor and times it by the measured length of drawing to get the actual cell size. Right? I just need clarification because I feel like I'm doing it wrong
Yea that sounds right- but if you are still unsure you could go to textbook or chatgpt it-
 

Chileman

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Just a question for anyone who is doing bio? If you are asked to find the actual size of a cell and they give u a scale bar. Do you do Actual length of scale bar/ measured length of the scale bar. Then you use that scale factor and times it by the measured length of drawing to get the actual cell size. Right? I just need clarification because I feel like I'm doing it wrong
based on what i've learnt (which is not the most lets be honest), yes it pretty much is just actual length of scale bar divided by the measured length of scale bar and then multiplied by the measured size of the cell
 

m_avi

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school quiz or tutoring quiz
School

and can someone please explain this to me T-T
like i didn't know what the question was asking me to do, so i just rationalised the denominators then subtracted? but everyone else did smth different....plsss help

Screenshot 2025-02-25 at 9.01.53 pm.png
 

m_avi

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i just got the "you having a phone is a privilege, be careful what you do" talk by my parents (except they don't know what I do lmaoooo). but it's okay, because it was after my lovely mother advocated for me to get a new one (mine doesn't turn on anymore T-T)
 

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and can someone please explain this to me T-T
like i didn't know what the question was asking me to do, so i just rationalised the denominators then subtracted? but everyone else did smth different....plsss help

View attachment 46641
I think u do rationalise the denominators for both fractions then minus. But it might be wrong
 

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