A, size and shape. hope it’s right and helps ya.
Pythagorean theorem = a^2 + b^2 = c^2
2^2 + b^2 = 4^2
4 + b^2 = 16
-4 -4
b^2 = 12
Square root
b = 3.5 rounded to the tenths place
The leg is 3.5 units
Hope this helps!
Answer:
x=13i, -13i
Step-by-step explanation:
Take the square root of both sides which gives you plus or minus the square root of -169. Then you get plus or minus 13times the square root of negative 1. Now you can say that x equals positive or negative 13i
Answer:
40:1
Step-by-step explanation:
120 miles divided by 3 hours - 40 miles each hour