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Finger [1]
3 years ago
5

7x+2y=-17 Y=5x What is x,y

Mathematics
2 answers:
Drupady [299]3 years ago
8 0
7x+2(5x)=-17
7x+10x=-17
17x=-17
x=-1
y=5x=5(-1)=-5
allsm [11]3 years ago
6 0
7x+2(5x)=-17
7x+10x=-17
17x=-17
so x=-1,
keep x in7x+2y=-17
7(-1)+2y=-17
-7+2y=-17
-10=2y
y=-5
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The roots of $3x^2 - 4x + 15 = 0$ are the same as the roots of $x^2 + bx + c = 0,$ for some constants $b$ and $c.$ Find the orde
Akimi4 [234]

we are given

quadratic equation as

3x^2-4x+15=0

now, we can find b and c from

x^2+bx+c=0

we can see that coefficient of x^2 is 1

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3x^2-4x+15=0

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