The empirical rule states that approximately 68/95/99.7% of a normal distribution lies within 1/2/3 standard deviations. So the answer is 68%.
Answer:
x=14/45
Step-by-step explanation:
Answer:
Property of subtraction
Step-by-step explanation:
This is when you see a addition sign but because you need to get rid of a number on one side you subtract so it will be gone.
If you want to multiply (2*x + 5) and (2*x - 5), you can do this using the following steps:
(2*x + 5) * (2*x - 5) = 4*x^2 - 10*x + 10*x - 25 = 4*x^2 - 25
The correct result is 4*x^2 - 25.
It is 135cm squared please give me brainliest