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Thank you!

I have the textbook but haven't been able to find these solutions. Where will I find them?

Here are the solutions by itute: Extension 1 Solutions

itute solutions for Standard 1 are here: Standard 1

Here are a set of solutions from itute. http://www.itute.com/2019/11/01/2019-nsw-esa-mathematics-solutions/

Here are solutions from itute. http://www.itute.com/2019/10/31/2019-nsw-esa-mathematics-extension-2-solutions/

Ahhh yes, I missed the sentences above the table. Thank you, I have redone my answer and got $15 929.30 as well!

Thank you for sharing your answers! I have a couple of answers that don't agree with yours. In Q30b) I had CGHE which gave a total of 11km In Q42 The first $2000 is deposited at the end of the first year, so only 5 of the 6 years earn interest. I got $13 373.60.

Thank you tywebb!

That's incorrect. This question was answered in a Standard Maths thread. The amount paid= $325+96x12x3 = $3 781 The amount borrowed= $3 250 - 325 = $2 925 Interest paid = $3 781 - 2 925 = $ 856 over 3 years Use I = PRN 856 = 2925 x R x 3 856 = 8775 x R R = 856 / 8775 = 0.0975 = 9.75% pa

The amount paid= $325+96x12x3 = $3 781 The amount borrowed= $3 250 - 325 = $2 925 Interest paid = $3 781 - 2 925 = $ 856 over 3 years Use I = PRN 856 = 2925 x R x 3 856 = 8775 x R R = 856 / 8775...

A copy of the paper:

Here is the paper.

http://http://www.itute.com/wp-content/uploads/2017-NSW-ESA-Mathematics-Extension-1-Solutions.pdf

http://www.itute.com/wp-content/uploads/2017-NSW-ESA-Mathematics-General-2-Solutions.pdf

Thank you! I didn't try my link.

There has been a small revision to Q11a part i http://http://www.itute.com/wp-content/uploads/2017-NSW-ESA-Mathematics-Extension-2-Solutions-2.1.pdf

Thank you!

Question 29b should be $65 257.87 Question 30d part ii should be r= 0.85

I get 2/5 for question 28b part ii