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# Can somebody help me with this C1 maths question please? Watch

1. I will attach a photo.
2. Yes, somebody can help you. We just need an image or a typed version of the question to work with.
If all else fails, the answer is 2
3. (Original post by demirae)
I will attach a photo.
Questions 5 (all parts) and 10 (all parts).

Thank you.

Demi
Attached Images

4. For Q 5, fins the points of intersection between the lines, and then just show that either the triangle obeys Pythagroas' Theroem or use trig to show one angle is 90 degrees,

For Q10, the first part is substitution of values, for the second part the nth term of an AP is a+(n-1)d, so 9=a+2d and 33=a+6d, third part use the formula n/2(2a+(n-1)d), for the last part find a and d then use the same formula as for the third bit

Wold tell yo more but I dont think we're allowed to post much more than tips.
5. for q5 you need to put 3 wherever you find y
6. (Original post by the bear)
for q5 you need to put 3 wherever you find y
Is this for part a?
7. (Original post by demirae)
Is this for part a?
yes.
8. (Original post by an_atheist)
For Q 5, fins the points of intersection between the lines, and then just show that either the triangle obeys Pythagroas' Theroem or use trig to show one angle is 90 degrees,

For Q10, the first part is substitution of values, for the second part the nth term of an AP is a+(n-1)d, so 9=a+2d and 33=a+6d, third part use the formula n/2(2a+(n-1)d), for the last part find a and d then use the same formula as for the third bit

Wold tell yo more but I dont think we're allowed to post much more than tips.
Thank you so much for your help!!

Demi

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