maleah12x
19.07.2019 •
Mathematics
Translate this problem to an equation and solve. the product of 2 positive consecutive even integers is 48. what is the smaller number?
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Ответ:
Let y represent the second even integer: y = 2(k + 1) → y = 2k + 2
x · y = 48
(2k) · (2k + 2) = 48
4k² + 4k - 48 = 0
4(k² + k - 12) = 0
4 (k + 3)(k - 2) = 0
k = -3, k = 2 (Note: POSITIVE integers so k = -3 is ruled out)
x = 2k → x = 2(2) → x = 4
y = 2(k + 1) → y = 2(2 + 1) → y = 2(3) → y = 6
The smaller number (x) is 4
Ответ:
C
Step-by-step explanation:
No, because for two triangles to be similar, the angles must be the exact same.