Answer:
£210
Step-by-step explanation:
I think i just worked it out in my head
Answer: 54
Explanation step by step: according to bidmas you must open the bracket first before any other thing. so the solution is 5×5-7×3
You distribute the three into the numbers in parentheses. -3+24n+6n. Then combine like terms. -3+30n
But I may be wrong.
Answer:
Step-by-step explanation:
BC = 20sin(61°) ≅17.5
AC = 20cos(61°) ≅ 9.7
perimeter = 20+17.5+9.7 = 47.2