1/5+ (-4) is the same as 1/5 - 4
1/5-20/5
-19/5
Answer:
its octagon. first and last one it has total 8 sides
1. 10
2. 5√2 in
1. The ratio for a 30-60-90 triangle is x:x√3:2x
x is the shortest leg so 2*x =2*5 = 10
2. the ratio of a 45-45-90 triangle is x:x:x√2
x is one leg so x * √2 = 5*√2 = 5√2
Answer:
The answer is the second option
Step-by-step explanation:
Let u=x^2.





Set this equal to x^2


or



or

$4.50 depending on hum much you use