What is the greatest common factor of the terms in the expression 21 x minus 18 x + 28 x y?33xxxy
2 answers:
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To solve this system of linear equations we need a little trick called elimination steps are below
we are given the following system of equations
if you look at the x variables in both equations you can see that we can easily eliminate them by multiplying the bottom equation by -4 as so
simplify and we get
now we can combine like terms on each side with the x's cancelling and get
now divide off -35
great now we can go back to our original system and pick a equation and substitute y back in to find x lets use
so now we substitute y and get
now we put x and y into one coordinate (x,y)
so now our FINAL ANSWER IS
(-17,-1)
we are given the following system of equations
if you look at the x variables in both equations you can see that we can easily eliminate them by multiplying the bottom equation by -4 as so
simplify and we get
now we can combine like terms on each side with the x's cancelling and get
now divide off -35
great now we can go back to our original system and pick a equation and substitute y back in to find x lets use
so now we substitute y and get
now we put x and y into one coordinate (x,y)
so now our FINAL ANSWER IS
(-17,-1)
Answer:
Step-by-step explanation:
we know that
The perimeter of the figure is equal to the perimeter of semicircle plus the perimeter of quarter circle plus two times the length of plus two times the length of
<u>Find the perimeter of semicircle</u>
we know that
The circumference of a semicircle is equal to
we have
substitute
<u>Find the perimeter of a quarter of circle</u>
we know that
The circumference of a quarter of circle is equal to
we have
substitute
<u>Find the perimeter of the figure</u>