Asked by maths of grade 6
please show step by step!
solve for m and n if
mn=1300and
(m+15)(n-30)=1300
solve for m and n if
mn=1300and
(m+15)(n-30)=1300
Answers
Answered by
bobpursley
multiply the second equation out
mn-30m+15n-4500=1300
but mn=1300
-30m+15n=4500
divide by 15
n-2m=300
n-2600/n =300
n^2-300n-2600=0
and I get n roots as
308.42979517755
-8.4297951775486
and the equivalent m as
4.21489759 or
-154.214898
mn-30m+15n-4500=1300
but mn=1300
-30m+15n=4500
divide by 15
n-2m=300
n-2600/n =300
n^2-300n-2600=0
and I get n roots as
308.42979517755
-8.4297951775486
and the equivalent m as
4.21489759 or
-154.214898
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.