15.5 ft + 1.25 ft + 13.5 ft=
2 answers:
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Answer:
C
Step-by-step explanation:
Quadratic formula is used only to solve the quadratic equations .
Means the equation of the form
In this the x^2 part is must because that only makes the equation a quadratic.
Looking at the four options given to you , only the option C has the missing x^2 term, which makes it a linear equation and hence the quadratic formula cannot be applied there .
So the right option for your question with the quadratic formula is
option
C
Vector 
. 
. So the sum is 
.
For the second, the magnitude is the square root of the sum of the squares of the components. This is equal to
.
For the second, the magnitude is the square root of the sum of the squares of the components. This is equal to