I think the answer is D but plz forgive me if i'm wrong
Answer:
Answer is x = -24/13, y = 3/13
Step-by-step explanation:
The vector equation of line is;
(x,y) = () + t (v) ............... 1
we know that;
() = (2,1)
and
v = 5i + 1j
put in equation 1
The parametric equation becomes;
by comparison we get;
multiply equation 3 by -5 and add it to equation 2
we know that;
so, m = 5
we can find the family of lines that are perpendicular to the above line by swapping the coefficients and change the sign of one of them:
So, the equation of other line is
multiply equation 5 by -5
put this value of y in equation 5.
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Answer:
3, 3rd, 9
Step-by-step explanation:
The index of a radical is the small number next to it:
The radical has an index of 3.
This means that you must find the 3rd root:
To solve for x, find the 3rd root of 729.
This means what number multiplied by itself 3 times equal 729:
x = 9