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Oliga [24]
2 years ago
6

Can anyone please explain this?

Mathematics
1 answer:
Leni [432]2 years ago
4 0

Answer:

Solution given:

Let there be a point P(x, y) equidistant from

A(-3, 2) and B(0,4),

so PA = PB,

\sqrt{(x+3)²+(y-2)²}=\sqrt{(x-0)²+(y-4)²}

squaring both side

(\sqrt{(x+3)²+(y-2)²})^{2}=(\sqrt{(x-0)²+(y-4)²})²

x²+6x+9+y²-4y+4=x²+y²-8y+16

x²+6x+y²-4y-x²-y²+8y=16-4-9

6x-4y+8y=3

<u>6x-4y=3 </u><u>i</u><u>s</u><u> </u><u>a</u><u> </u><u>r</u><u>e</u><u>q</u><u>u</u><u>i</u><u>r</u><u>e</u><u>d</u><u> </u><u>l</u><u>o</u><u>c</u><u>u</u><u>s</u><u> </u>

<u>A</u><u>c</u><u>t</u><u>u</u><u>a</u><u>l</u><u>l</u><u>y</u><u>:</u>

<u>A</u><u> </u><u>locus</u><u> </u><u>is</u><u> </u><u> </u><u>a curve or other figure formed by all the points satisfying a particular equation of the relation between coordinates, or by a point, line, or surface moving according to mathematically defined conditions.</u>

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A farm had 480 acres more wheat than corn. After the farmers collected 80% of the wheat and 25% of the corn, the area of the whe
Sergio [31]
The area covered by corn is x
The area covered by wheat is (x+480)
After 80% of wheat was collected, the new area was:
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=1/5(x+480)
After 25% of the corn was collected, the new area was:
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=3/4x
New area equation will be:
(3/4)x=1/5(x+480)+300
(3/4x)=(1/5)x+96+300
solving for x we get:
11/20x=396
x=720
thus the original area of corn was 720 acres
Original area of wheat was 720+480=1200 acres
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Answer:

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