Answer:
no (n+1)^2 equals n^2+2n+1
Step-by-step explanation:
because the exponent makes it so you multiply n+1 and n+1
You want to start by subtracting 5 from both sides to get 2/3x=-8/3 then cross multiply to get whole numbers which is 6=-24x then your gonna want to isolate the variable so divide both sides by -24 to get 6/-24=x then you can simplify to x=-1/4
Answer:
#5
Area = Area of bigger triangle - Area of small triangle
#8
Area = area of square + area of two right angled triangles
Answer:
The answer is 1.75
Step-by-step explanation:
2-1/5 or (.25)
D.4 he should apply 4 treatments to each of the groups