84? I think that that is correct. 108 chairs - 24 brown chairs = 84 blue chairs
-10 + 2x + 30 x 12x
= 20 + 24x
Answer:
Left side: 1/20 Right side: 11/20
:)
Yayyy thanks a lottt can i also get brainliest
Answer:
Step-by-step explanation:
hello :
sin(x+y)= sinxcosy+cosxsiny...(*)
sin(x-y)= sinxcosy-cosxsiny....(**)
add (*) and(**) : sin(x+y)+sin(x-y)= 2sinxcosy
1/2(sin(x+y)+sin(x-y)) = sinxcosy......true
