HELP PLZZ
Find two numbers whose difference is 5 and whose product is a minimum.
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OpenStudy (turingtest):
please post only one question at a time
the second question belongs in physics as well, not math
OpenStudy (turingtest):
is this calculus?
OpenStudy (anonymous):
well......no end of algebra 2
so a little pre calc.....i guess
OpenStudy (anonymous):
so what would it be???
5 and 0? for 1
and 428 for 2?
OpenStudy (turingtest):
like I said, one Q at a time please
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OpenStudy (anonymous):
oh ok
so should i delete this or just write it down here?
OpenStudy (anonymous):
or edit it?
OpenStudy (turingtest):
no I fixed it
OpenStudy (anonymous):
oh wow
THANKS
OpenStudy (turingtest):
so we can get two facts from the first statement:
"the difference between two numbers is 5"
how would you write that with "math language" ?
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OpenStudy (anonymous):
a-b=5?
OpenStudy (turingtest):
right, and we can rewrite that also as\[a=b+5\]right?
(this will sere us in the next step)
OpenStudy (turingtest):
"the product of these two numbers is a minimum"
forget the "minimum" part for now
how would you write the statement about the product of the two numbers?
OpenStudy (anonymous):
im not sure
OpenStudy (anonymous):
turingtest
where didd you go?
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OpenStudy (anonymous):
is it 428???????
OpenStudy (turingtest):
sorry I was afk
the product of the two number is \(ab\) right?
and we can write \(a\) in terms of \(b\) thanks to the other statement we have above
so using that sub for \(a\), how can we rewrite \(ab\)?