Percent error=100*(measurement-actual dimension)/actual dimension
pe=100(5.12-6)/6=-14.67%
So there is a 14.67% error.
Answer:
(2x +3) (4x +y)
Step-by-step explanation:
refer the image
Answer:
16x+0
Step-by-step explanation:
Collect like terms
11x+5x+9-9
Then add and subtract them
16x+0
Exercise 1:
The exponents are wrong: when you divide two power, you subtract the exponents:

Exercise 2:
The function represents a growth rate of 300%! 3% is actually written as 0.03, so the correct function is

Exercise 3:
To factor a quadratic equation, we have to find the roots. Once you have the roots
, you can factor the expression as 
In this case, the solutions are
, which yields the factorization

Exercise 4:
When you multiply two powers of the same base, you add the exponents:

So, in your case, you have
