BM213
19.04.2021 •
Mathematics
4
What is the value of k in the equation shown below?
3k - 5 = 0.8k + 3(2- k) + 4.6
F k = -2
G k = -3
H K = 3
J K = 7
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Ответ:
Explanation:
3k - 5 = 0.8k + 3( 2 - k ) + 4.6
30k - 50 = 8k + 30( 2 - k ) + 46
30k - 50 = -22k + 106
30k = -22k + 156
52k = 156
k = 3
Ответ:
b = 10
Step-by-step explanation:
(3x-2)(x+4)=3x^2+bx-8
Solve :
(3x-2)(x+4)=3x^2+bx-8
3x - 2x - 8 = 3x^2+bx-8
b = 10