jessiegarrison1
16.03.2020 •
Mathematics
The sum of two numbers is 11 and their product is 18. Find the numbers.
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Ответ:
the numbers are 9 and 2
Step-by-step explanation:
Let the numbers be a and b
a + b = 11equation 1
ab = 18equation 2
Multiply equation 1 by a
a ^2 + ab = 11aequation 3
Substitute the value of ab from equation 2 into equation 3
a ^2 + 18 = 11a
a^2 - 11a + 18 = 0
(a-9) x (a-2) = 0
If a = 9, then b =2
I hope this helps, please mark as brainliest answer.
Ответ:
ive been rick rolled:(