The old mean was 51 now the mean is 42.33... (round that to 42) 51 - 42 = 9
Answer:
<h2><u><em>
n = 8</em></u></h2>
Step-by-step explanation:
2n + 1.6 = 17.6 what is the value of n?
2n + 1.6 = 17.6
2n = 17.6 - 1.6
2n = 16
n = 16 : 2
n = 8
-----------------
check
2n + 1.6 = 17.6
2*8+1.6=17.6
16+1.6=17.6
17.6=17.6
the answer is good
Answer:
arc ? = 255°
Step-by-step explanation:
arc DB = 180° - 75° = 105°
arc ? = 360° - 105° = 255°
Answer:
i angle EFB
ii BFC and AFC
Step-by-step explanation:
Answer:
1:10
Step-by-step explanation:
the ratio we can it is

so the ratio is 1:10