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mestny [16]
3 years ago
10

Please help please please ASAP please please help please ASAP please

Mathematics
1 answer:
IgorC [24]3 years ago
8 0

Answer:

68

Step-by-step explanation:

all the explanation is in the photo

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Find all the points, if any, where the graph of 12x-5y=0 intersects (x+12)^2+(y-5)^2=169.
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I: 12x-5y=0
II:(x+12)^2+(y-5)^2=169

with I:
12x=5y
x=(5/12)y
-> substitute x in II:
((5/12)y+12)^2+(y-5)^2=169
(25/144)y^2+10y+144+y^2-10y+25=169
(25/144)y^2+y^2+10y-10y+144+25=169
(25/144)y^2+y^2+144+25=169
(25/144)y^2+y^2+169=169
(25/144)y^2+y^2=0
y^2=0
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insert into I:
12x=0
x=0

-> only intersection is at (0,0) = option B
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3 years ago
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Step-by-step explanation:

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After dans holiday. Dan has 50 new email messages in his inbox . 13 of them are attachements. what proportion of the email messa
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