Answer:
x+y=10 which means that x=10-y
Replace 10-y in the other equation which gives you:
10-y-y=6
10-2y=6
-2y=-4
y=2
Replace 2 in any of the 2 equations same answer for both:
x+y=10
x+2=10
x=8
So,
=512-8
=504
Hope this helps!
A store sells 2 printers for every 5 computers. The store sells 40 computers. How many printers does the store sell? I also have
2 answers:
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Answer:
Step-by-step explanation:
we are given a quadratic equation
we know that quadratic equation is same as equation of parabola
so, we can use formula
Focus is
now, we can compare it with given focus
=(8,-8)
we get
Directrix is
we are given directrix =-6
we got two equations as
now, we can add both equations
and we get
now, we can find 'a'
now, we can plug back all values
and we get
So, equation of parabola is