Answer:
-4 ± 2*sqrt(3)
Step-by-step explanation:
Well I'm not quite sure as to what the x= equations are, but for the solution to this quadratic I just used the quadratic formula. This gave me -8 ± sqrt(48)/2, which can be simplified to -4 ± 2 * sqrt(3). Hope this helps :)
Answer:
7 27/50
Step-by-step explanation:
Answer: A
golden ratio approximately equals:
(1+sqrt(5))/2=1.618
5/3=1.667
7/5=1.4
10/8=5/4=1.25
17/11=1.545
Change everything to decimal form and see what is closest.
So we can see that the photograph size of 5x3 is the best choice as it is the closest in size to the golden ratio.
Any questions at all please feel free to ask! Thank you so much!
1. 7
2. 10
3. 31
4. 5
5. -1
6. 15
7. 11
8. 29
9. -3
10. 8
11. -5
12. 13
13. 31
14. 0
15. 11
16. 6
17. 20
18. -1
19. 25
20. 12
21. 0