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this is probably such a dumb a question but I’m so confused; what’s the point of letting a another variable equal to the compound angle and when you do why do they multiply the domain ??

this is for allotropes and I'm still confused how interactions between light and their structure causes this difference in lustre pls explain someone

can someone explain to me why 18 is C? I was stuck between choosing D and C but wasn’t too sure why C was the answer?

can someone explain why the answer is B but not A?

the answers said it was D but is it not B or am I being stupid

my teacher was going through terms for investigation skills, but im like so confused about these two terms

am i being stupid whats the difference

can someone explain why the system temp decreases in endothermic reactions - like if heat energy is being absorbed from the surroundings, shouldnt the temperature of the system also increase? This is the same for exothermic reactions; why does temp increase even though heat energy is being released?

^^^ (sorry if its a dumb q)

heyy can someone pls explain the solution, like I'm not getting it 😭

Hi guysssss, Someone pls tell me where I’m like messing up I keep having a stroke doing it even though it’s like kinda basic

hello can someone check if I’m correct - the textbook doesn’t have answers for it. I got 948 cm tyyy

we started doing basics of logs at school, and was confused why the number and the base have to be greater than 0. Like for example if we have the number -8 and the base -2, wouldn’t the log be 3?? sorry if this sounds dumb 😭

Is engineering studies like hard? I wanted to choose it as like a break but an interesting subject I can do, but people in my class said that it was hard since some of the previous students who did the subject at my school said it was hard??

So we started doing box plots, and our teacher went through an example as a class. Basically the question was asking which of the two box plots had more consistent scores, and the teacher said it would be Allan (second box plot) because it was more distributed in the middle 50%. But I was...

Hiii I'm kind of having a mini stroke right now for part d, the answer says its 10.4%, but the issue is I'm not sure if I sub that N = 2 years or 1 year, since the interest is added every fortnight. i think the answer is also wrong for another reason but I'm not sure why. my working out is also...

Can someone explain what it means in the second line? I’m slightly confused with the wording. Thanks!

I got 57 m but the answer says 58 m, can someone please double check if the answer is correct or it was just an issue in my answer? Thanks in advance!

Hi! Can someone explain why this is positively skewed? The answer says it is, but I’m not sure whether or not it’s correct.

Can someone explain why it’s B, and not C? Thanks!