Answer:
10.3 in
Step-by-step explanation:
a = (1/2)b*h
53 = (1/2)x * x
53 = (1/2)x²
Multiply both sides by 2
106 = x²
Take the square root of both sides
x = 10.3
Ima see if I can help you with that my mom is a math teacher
Answer:
7.4
1. Do the parentheses first
2. Then do multiplication/division
3. Then do subtraction/addition
22750 - 2 × 5^3 × 7 × 13
3850 - 2 × 5^2 × 7 × 11