Answer:
First image attached
The error was done in Step E, because student did not multiply by the negative sign in numerator. Step E must be .
Second image attached
The error was done in Step C, because the student omitted the of the algebraic identity . Step C must be
Step-by-step explanation:
First image attached
The error was done in Step E, because student did not multiply by the negative sign in numerator. The real numerator in Step E should be:
Hence, Step E must be .
Second image attached
The error was done in Step C, because the student omitted the of the algebraic identity . Step C must be
And further steps are described below:
Step D
Which according to the Quadratic Formula, represents a polynomial with complex roots. That is: (, , )
(Conjugated complex roots)
Step E
Step F
Answer:
4
Step-by-step explanation:
Make the 10% a decimal
.10
Then multiply it by 40
.10*40
You get 4
It should be 81 square feet.
3 yards x 9 yards = 27 yards squares.
It asks for your answer in square feet, so you multiply by 3. This is because there are 3 feet in ever yard.
27 x 3 feet = 81 square feet.
Answer:
wheres ur calc
Step-by-step explanation:
9.25 - 0.5 + 0.375 = 9.126