%error=100(estimate-actual)/actual
%e=100(50-40)/40=25%
can't see the whole question but...
40(60/100)=24
so 24/40=3/5 carry a phone.
24 students carry a phone.
Answer:
A = 169cm²
Step-by-step explanation:
option (D) 28 √6 is the answer
Explanation :
p =3√6 + 2√24 + 7√54
3√6 + 2√2×2×6+ 7√3×3×6
3√6 +2 ×2√6 + 7 ×3√6
3√6 +4√6 + 21√6
28√6
First question:. A and D. Second question: B and C .
Answer:
1/4
Step-by-step explanation:
there are 2 blue sections out of a total of 8, so 2/8 or 1/4