Answer:
Simplify the expression.
− 1b^{2}+ 13 b
Step-by-step explanation:
In this question, you would be combining like terms
Solve by combining like terms:
-0.8b²+7.4b+(5.6b-0.2b²)
This is the same as:
-0.8b² + 7.4b + 5.6b - 0.2b²
Solve:
-1b² + 7.4b + 5.6b
-1b² + 13b
10.6
53/5
42.1
The height of the main triangle is,
h = 47√3/2 (since it's an 30-60-90 triangle)
so to find x,
tan(44) = h/x
x = h/tan(44)
x = 42.1 (rounded to the nearest tenth)
Answered by GAUTHMATH
