angie249
07.01.2021 •
Mathematics
Please solve this for me! Thank you so much I appreciate you. tpwk
Solved
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Ответ:
C
Step-by-step explanation:
Ответ:
9 and 20
Step-by-step explanation:
x = one number
y = 2x+2 = other number
xy = 190
x(2x+2) = 180
2x^2 +2x = 180
2x^2 +2x- 180 = 0
Factor out 2
x^2 +x -90 = 0
(x+10)(x-9) =0
Using the zero product property
x+10 = 0 x-9=0
x= -10 x=9
But they have to be positive
x = 9
y = 2x+2 = 2(9)+2 = 18+2 = 20