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dannnaa
30.11.2019 •
Mathematics
What numbers when multiplied equals 1800 but when adding equals 105
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Ответ:
y = second number
(1) xy = 1800
(2) x + y = 105
y = 105 - x
we will substitute y to the first equation
(1) (x)(105 - x) = 1800
Using formula
a = 1, b = -105, c = 1800
(2) x + y = 105
we'll substitute x = 83.43
83.43 + y = 105
y = 105 - 83.43
y = 21.57
Therefore, the two numbers are 83.43 and 21.57
Ответ:
All you have to do here is apply the rule (x−4, y+6) to each point. The resulting points are as follows:
(0,-1)→(-4, 5)
(8,2)→(4,8)
(4,-4)→(0,2)