The average would be the total amount divided by the 2 groups, so the answer would be 37.5 years old.
Answer:
6 feet
Step-by-step explanation:
(24+x)(16+x)=660
384+24x+16x+x²=660
x²+40x-276=0
x`= 6
x```= -46......no serve
Answer......is 6 feet
1m = 100 cm
0.05 m = 5cm
1 km = 10000 cm
0.00005 km = 5 cm
Yes they are equal
(Mark me the brainliest if this has helped!)
it is a bracket used in maths
Answer:
x = 14
Step-by-step explanation:
The two tangents are the same length, so ...
x² = AC = AB = 196
x = √196
x = 14
